Integrated Model

Description of the OIS_IPM.oim Integrated Model

Each keyword must be on a separate line; data starts on a new line and ends with the "/" character.

All files attached to this project must be in the same directory as the project.

1.List of reservoir models (file names with extension)

Each file name must be on a separate line

RESERVOIRLIST

'OIS.Reservoir.format.ors'

2.List of well models as VFP tables (values are bottomhole pressures) in Eclipse format (file names with extension)

Each file may contain several tables, both VFPPROD and VFPINJ

The number of each table must be unique across all files

Each file name must be on a separate line

VFPLIST

'Producer.ecl'

3.List of well models as VFP tables (values are temperatures) in Eclipse format (file names with extension)

Each file may contain several VFPPROD tables

The number of each table must be unique across all files

Each file name must be on a separate line

VFPTEMPLIST

'ProducerTemp.ecl'

4.List of well models as TPD tables (extended universal VFP tables) (file names with extension)

Each file contains only one table

Each file name must be on a separate line

TPDLIST

'OIS.TPD.format.otpd'

5.List of full well models (file names with extension)

Connecting well models is used only to transfer data from these files into wells of the Integrated Model

Each file name must be on a separate line

WELLMODELLIST

'OIS.Well.format_v2.owm'

6.List of PVT files

Fluid models from these files are connected to wells by model name and region

Each file name must be on a separate line

PVTLIST

'FluidModel.ofm'

7.List of compositional PVT files

Fluid models from these files are connected to wells by model (file) name

Each file name must be on a separate line

PVTCOMPLIST

'OIS.PVTComp.format.pvtcomp'

8.Networks

NETWORKLIST

[Network type] [File name] -- PROD || INJ || GASPROD || GASINJ || GASLIFT

PROD 'ProdNetwork.onw'

Enabling and disabling networks in the calculation

First column — network type: PROD || INJ || GASPROD || GASINJ || GASLIFT

Second column — include-in-calculation flag: ON || OFF (default ON for all network types)

NETWORKENABLE

PROD ON

INJ OFF

GASPROD OFF

GASINJ OFF

GASLIFT OFF

9.List of scenarios; the scenario for the calculation is optionally passed as a command-line argument

Scenario actions are merged with actions specified on model objects

SCENARIOLIST

[NAME] [COMMENT]

'Scen1' 'Shut down all SRP'

'Scen2' 'Increase frequencies'

10.Specification of common properties for all networks.

The table contains two columns:

Parameter keyword, always the first column

Parameter value, always the second column

NOTE: the list of initial conditions may be extended

NETWORKPROPS

ENVTEMP 10 -- Ambient temperature [°C]

TEMPMODEL BALANCE -- BALANCE || APPROX || IMPROVED — enthalpy balance, coarse approximation, or improved approximation (default APPROX)

VFPMODEL E100 -- E100 || TPD — VFP table format for well modeling (default E100)

DECLINEMODEL EXTERNAL -- EXTERNAL || INTERNAL — external attached models or built-in models (default EXTERNAL)

CPOIL 2220 -- Oil heat capacity [J/(kg*K)] (default 2220)

CPGAS 2130 -- Gas heat capacity [J/(kg*K)] (default 2130)

CPWATER 4180 -- Water heat capacity [J/(kg*K)] (default 4180)

ENABLEUSERMIXTUREFLOW 1 -- use user flow correlations (1 — use, 0 — do not use, default 0)

MIXTUREFLOW DUNSROS -- Gas-liquid mixture flow correlation: ORKISZEWSKI || DUNSROS || BEGGSBRILL || MUKHERJEEBRILL || HAGEDORNBROWN || ANSARI || GRIFFITH || AZIZ || POETTMANNCARPENTER || GRAY

LIQUIDVISCOSITY AVERAGE -- Oil-water mixture viscosity correlation (THREESTAGE || BRINKMAN || VAND || WOELFLIN || OIS || AVERAGE — default)

RESTEMP 60 -- Reservoir temperature [°C]

SOURCETEMP 23 -- Fluid temperature at sources [°C]

WINDSPEED 6 -- Wind speed [m/s] (note: Wind Speed is the English term) — common settings only

SNOWDEPTH 0.6 -- Snow depth [m] (note: Snow Depth is the English term) — common settings only

GROUNDTERMCONDUCT 0.7 -- Ground thermal conductivity [W/(m*K)] — common settings only

LAYINGTYPE OVER -- Pipeline laying method (OVER || UNDER) — common and local settings

LAYINGDEPTH 1.2 -- Buried pipeline laying depth [m] — common and local settings

PIPETERMCONDUCT 0.05 -- Pipe insulation thermal conductivity [W/(m*K)] — common and local settings

INSULATIONTHICKNESS 30 -- Pipe insulation thickness [mm] — common and local settings

OVERALLHEATTRANSFER 42 -- Overall heat transfer coefficient [W / (m2*K)] (applied when TEMPMODEL=APPROX in the NETWORKPROPS keyword of the Integrated Model)

BPOINTGORFVF STANDING -- Bubblepoint pressure, gas dissolution in oil, and oil formation volume factor (STANDING || LASATER || VASQUEZBEGGS || GLASO || PETROSKY || DEGHETTO || ALMARHOUN)

OILVISCOSITY BEGGSROBINSON -- Oil viscosity (BEGGSROBINSON || PETROSKY || BERGMAN || NGEGBOGAH || BEAL || DEGHETTO)

GASZFACTOR DRANCHUCK -- Gas Z-factor (DRANCHUCK || PAPAY || STANDING)

GASVISCOSITY LEE -- Gas viscosity (LEE || CARR)

GASLIQUIDGORCUTOFF -- GOR cutoff. When exceeded, flow is modeled as a single-phase gas stream [m3/m3] (default 8860)

11.Specification of links between networks.

First column — type of the first network

Second column — joint name in the first network

Third column — type of the second network

Fourth column — joint name in the second network

NETWORKLINKS

PROD '1' GASLIFT 'Sink1'

12.Specification of compositional model settings.

The table contains two columns:

Parameter keyword, always the first column

Parameter value, always the second column

EOSOPTIONS

EOSMODEL PR -- equation of state type — PR || SRK — Peng Robinson, Soave Redlich Kwong

USEPRCORR ON -- use the PR78 equation of state, ON || OFF

VOLUMESHIFT USEVS -- volume shift usage — USEVS || USEVST || NOTUSE — (USEVS — SHIFT only, USEVST — SHIFT and SHIFTS, NOTUSE — not used)

PRESSREF 1 -- standard pressure, atm

TEMPREF 20 -- standard temperature, °C

VISCOSITY LBC -- viscosity calculation method — LBC || PED — Lorenz Bray Clark, Pedersen

SEPARATOR SEPTRAIN -- defines the path of the liquid until standard conditions are reached — FLASHSTC || SEPTRAIN

13.Specification of the liquid separation path.

First line — header

PRESS — pressure, atm

TEMP — temperature, C

Second and subsequent lines — separation conditions table

SEPARATORTRAIN

PRESS TEMP

50 40

0 20

14.Data describing emulsion viscosity for the THREESTAGE model specified by default for all pipelines

The model describes the oil viscosity multiplier versus water cut using three regions — increase, plateau, and decrease

The keyword is identical to the same keyword in the fluid model except for the region name — in this keyword it is omitted

List of parameters describing the three-stage emulsion viscosity function as an oil viscosity multiplier

WCTMIN — left water-cut bound of the plateau [%] (default 60)

WCTMAX — right water-cut bound of the plateau [%] (default 80)

MATCHINGPARAMS — three coefficients describing the oil viscosity multiplier function:

P1, P2 — coefficients of the increasing quadratic dependence to the left of the plateau [dimensionless] (default P1=2.5 and P2=14.1)

P3 — coefficient of the decreasing function to the right of the plateau [dimensionless] (default 0)

EMULSIONTHREESTAGE

WCTMIN 50.5

WCTMAX 85.4

MATCHINGPARAMS 2.5 14.1 0.0

15.Laboratory emulsion viscosity data specified by default for all pipelines

The keyword is identical to the same keyword in the fluid model except for the region name — in this keyword it is omitted

First line — temperature [C] and pressure [atm] at which the laboratory data were obtained

Second and N subsequent lines — test data table:

Water cut [%], oil viscosity multiplier [dimensionless]

Missing data is specified as -9999, but such rows are ignored during matching

The test data table ends with the / character on a separate line

This default emulsion table can be specified only once

EMULSIONMATCHDATA

75.8 38.755

0 1

10 1.54

20 2.2

30 4.1

70 5.0

80 3.14159

90 2.718

16.Hydrate, salt, and wax (ASPO) formation curves

These curves are used by default for all pipelines of the Integrated Model

First line: flow assurance type (HYDRATES || SALT || WAX)

Each type of curve must be specified no more than once

Flow Assurance in the Integrated Model is specified analogously to its specification in the fluid model

Second and subsequent lines — two-column table: pressure [atm] and temperature [C]

The table must contain at least two rows

PVTWARNINGS

HYDRATES

20 -75

30 -50

40 -10

50 0

250 10

17.Data for calculating CO2 corrosion rate by method M-506 (Norsok standard)

CORROSION

PH 7.5 -- pH value, dimensionless (default 7.5)

18.Data for calculating the erosion penetration rate of the inner pipeline surface (erosion penetration rate)

EROSION

PARTICLEDENS 2000.0 -- particle density, kg/m3 (default 2000.0)

PARTICLEDIAM 1.0 -- particle diameter, mm (default 1.0)

PARTICLERATE 0.0 -- particle (sand) rate, kg/day (default 0.0)

PIPESTRENGTH 250.0 -- pipe material Brinell hardness, kgf/mm² (default 250.0)

19.Specifies default matching parameters of multiphase flow correlations (for the model as a whole).

First column — correlation name (the correlation list is in the MIXTUREFLOW property description in the NETWORKPROPS keyword).

Second column — friction correction factor (default 1.0)

Third column — gravity correction factor (default 1.0).

If a correlation is not listed in the table, its correction factors equal the default values.

For a specific pipe these coefficients are applied if MIXTURESETTINGS=GLOBAL (or is not set), and also if MIXTURESETTINGS=LOCAL but coefficients for the selected correlation are missing from the MATCHPIPEPARAMS keyword

MATCHPIPEPARAMSGLOBAL

BEGGSBRILL 2.41 1.58

HAGEDORNBROWN 1.21 1.02

GRAY 1.0 1.30

ORKISZEWSKI 1.33 1.14

DUNSROS 1.46 2.01

MUKHERJEEBRILL 3.09 1.81

MECH2 1 1

ANSARI 1 1

GRIFFITH 1 1

AZIZ 1 1

POETTMANNCARPENTER 1 1

MECH1 1 1

MECH3 1 1

20.Well data — the keyword may be repeated any number of times (thereby specifying the well operating schedule)

after the keyword, a separate line contains the date and time (time is optional, default 00:00:00)

for initial data, INITIAL is used instead of the date

after the date and time follows the column list

Column list:

WELL — well name, required column, always first

PURPOSE — well purpose: OIL — oil || INJ — water injection || GAS — gas || GASINJ — gas injection, required column, always second

STATE — well state: RUN — operating || STOP — shut in, required column, always third

LIFTTYPE — lift type: UNDEF — not set || NFL — flowing || SRP — SRP || ESP — ESP, ESPCP — ESPCP, RDPCP — RDPCP, GL — valve gas lift, DGL — dual-string gas lift, required column, always fourth

the following columns may be in any order

VFPNUM — VFP table number for bottomhole pressure

VFPTEMPNUM — VFP table number for temperature

TPDNAME — TPD table file name without extension in 'quotes' from the TPDLIST table list. Default — empty string

WELLMODELNAME — full well model file name without extension in 'quotes' from the WELLMODELLIST table list. Default — empty string

Connecting well models is used only to transfer data from these files into wells of the Integrated Model, therefore it is specified on the INITIAL date

WELLCALCMODE — well calculation mode: NODAL — VFP and IPR intersection (default) || VFPOUTFLOW — outflow calculation by VFP tables

GASLIFTRATE — gas-lift gas rate, thsd m3/day

SRPSTRLEN — SRP stroke length, mm

SRPSTRNUM — SRP stroke rate, 1/min

ESPFREQ — ESP frequency, Hz

ESPCPSPEED — ESPCP rotational speed, 1/min

DPCHOKE — specified choke pressure drop, atm

THPSHIFT — tubing-head pressure correction, atm

WEFAC — utilization factor, unit fraction

SEPRESSCASING — use wellhead casing pressure in the calculation (OFF || ON), default OFF

PRESSCASINGMODE — casing-pressure usage mode (UNDEF | FIXED | CALC), default UNDEF

PRESSCASING — wellhead casing pressure value, atm

WEARFACTOR — pump wear factor, dimensionless

PERIODIC — cyclic well operation flag (UNDEF || OFF || ON), default UNDEF

PERIODMODE — cyclic regime specification method (UNDEF || TIME || COEF), default UNDEF

WORKTIME — operating time, h

STOPTIME — accumulation time, h

PERIODCOEF — cyclic operation factor, unit fraction

USEMETHANOLINJECT — use methanol injection in the calculation (UNDEF || OFF || ON), default UNDEF

METHANOLINJECTRATE — water-methanol mixture injection rate, m3/day

METHANOLINJECTFRACTION — methanol mole fraction, %

WELLDATA

01.01.2022

[WELL] [PURPOSE] [STATE] [LIFTTYPE] [VFPNUM] [SRPSTRNUM] [ESPFREQ] [WELLCALCMODE]

'1' OIL RUN ESP 1 -9999 45.5 NODAL

'2' OIL RUN SRP 2 6.5 -9999 NODAL

'3' INJ RUN UNDEF 3 -9999 -9999 VFPOUTFLOW

WELLDATA

01.04.2022 12:00:00

[WELL] [PURPOSE] [STATE] [LIFTTYPE] [ESPFREQ]

'1' OIL RUN ESP 55

'2' OIL STOP SRP -9999

WELLDATA

INITIAL

[WELL] [TPDNAME] [WELLMODELNAME] [GASLIFTRATE]

'1' 'OIS.TPD.format' '' 15.5

'2' '' 'OIS.Well.format_v2' -9999

21.Inflow data — the keyword may be repeated any number of times (thereby specifying the inflow operating schedule)

after the keyword, a separate line contains the date and time (time is optional, default 00:00:00)

for initial data, INITIAL is used instead of the date

after the date and time follows the column list

Column list (parameters are identical to those specified in the WELLDATA keyword):

INFLOW — inflow name, required column, always first

PURPOSE — inflow purpose: OIL — oil || INJ — injection || GAS — gas || GASINJ — gas injection, required column, always second

STATE — inflow state: RUN — operating || STOP — shut in, required column, always second

WELLMODELNAME — full well model file name without extension in 'quotes' from the WELLMODELLIST table list. Default — empty string

Connecting well models is used only to transfer data from these files into wells of the Integrated Model, therefore it is specified on the INITIAL date

DPCHOKE — specified choke pressure drop, atm

WEFAC — utilization factor, unit fraction

INFLOWDATA

INITIAL

INFLOW STATE WELLMODELNAME DPCHOKE WEFAC

'inflow1' RUN 'well1esp' 0.0 1.0

'inflow2' STOP '' -1.2 0.25

22.List of well-to-tank connections

The well-to-tank connection name may coincide with the well name but must be unique!

Column list:

CONNECT — connection name (required column)

WELL — well name (required column)

MODEL — reservoir model name without extension (required column) (may be empty)

TANK — tank name from the reservoir model (required column) (may be empty)

COMMENT — comment in 'single-line quotes'

OIL — oil rate, m3/day

WATER — water rate, m3/day

GAS — gas rate, thsd m3/day

INJ — injection rate, m3/day

WCT — water cut, %

GOR — gas-oil ratio, m3/m3

WGR — water-gas ratio, m3/m3

CGR — condensate-gas ratio, m3/m3

CUMOIL — cumulative oil production, thsd m3

CUMWATER — cumulative water production, thsd m3

CUMGAS — cumulative gas production, thsd m3

PRESSRES — reservoir pressure, atm

TEMPRES — reservoir temperature, °C

PRESSHIFT — reservoir pressure correction, atm

PVT — PVT region name from the attached fluid model file (keyword PVTLIST)

USEPVTMATCHING — use matching coefficients from the fluid model (0 — do not use (default); 1 — use)

PVTCOMP — compositional PVT model name without extension in 'quotes' from the PVTCOMPLIST list

TRANSIENTIPR — transient IPR flag (0 — do not use (default); 1 — use)

TIGHTRESMODEL — tight-gas reservoir model name without extension (may be empty)

TIGHTRESWELL — well name from the attached tight-gas reservoir model

WELLRESCONNECT

[Well-tank connection name] [Well name] [Reservoir model name] [Tank name (for a decline curve '-')] [PVT region name]

[CONNECT] [WELL] [MODEL] [TANK] [PVT] [USEPVTMATCHING] [PVTCOMP]

'1_PL' '1' 'New Reservoir' '-' 'zone_1' 0 'FluidModelComp'

'2_PL' '2' 'MatBalReservior' 'TankName' 'zone_1' 1 'FluidModelComp'

23.List of inflow-to-tank connections

The inflow-to-tank connection name may coincide with the inflow name but must be unique!

Column list:

CONNECT — connection name (required column)

INFLOW — inflow name (required column)

MODEL — reservoir model name without extension (required column) (may be empty)

TANK — tank name from the reservoir model (required column) (may be empty)

COMMENT — comment in 'single-line quotes'

OIL — oil rate, m3/day

WATER — water rate, m3/day

GAS — gas rate, thsd m3/day

INJ — injection rate, m3/day

WCT — water cut, %

GOR — gas-oil ratio, m3/m3

WGR — water-gas ratio, m3/m3

CGR — condensate-gas ratio, m3/m3

CUMOIL — cumulative oil production, thsd m3

CUMWATER — cumulative water production, thsd m3

CUMGAS — cumulative gas production, thsd m3

PRESSRES — reservoir pressure, atm

TEMPRES — reservoir temperature, °C

PRESSHIFT — Pressure correction, atm

PVT — PVT region name from the attached fluid model file (keyword PVTLIST)

USEPVTMATCHING — use matching coefficients from the fluid model (0 — do not use (default); 1 — use)

PVTCOMP — compositional PVT model name without extension in 'quotes' from the PVTCOMPLIST list

INFLOWRESCONNECT

[CONNECT] [INFLOW] [MODEL] [TANK] [PVT] [PRESSHIFT] [USEPVTMATCHING] [PVTCOMP]

'inflow1_pl' 'inflow1' 'New Reservoir' '-' 'zone_1' 5.5 1 'FluidModelComp'

24.Well-to-reservoir connection data

WELLRESDATA — the keyword may be repeated any number of times (thereby specifying the well-to-reservoir connection schedule)

after the keyword, a separate line contains the date and time (time is optional, default 00:00:00)

for initial data, INITIAL is used instead of the date

after the date and time follows the column list

Column list:

WELLRES — well-to-tank connection name, required column, always first;

the following columns may be in any order

STATE — well-to-tank connection state: RUN — operating || STOP — shut in

RPTYPE — relative permeability or fraction flow model: COREY || TABLE || FRACFLOW || TANK (identical options in the reservoir model, keyword TANKWELLLIST)

[WELLRESDATA]

01.01.2022

[WELLRES] [STATE] [RPTYPE]

'1_PL' RUN TANK

'2_PL' STOP COREY

[WELLRESDATA]

01.04.2022 12:35:13

[WELLRES] [STATE ]

'2_PL' RUN

25.Inflow-to-reservoir connection data (the analogous keyword for wells is WELLRESDATA)

INFLOWRESDATA — the keyword may be repeated any number of times (thereby specifying the inflow-to-reservoir connection schedule)

after the keyword, a separate line contains the date and time (time is optional, default 00:00:00)

for initial data, INITIAL is used instead of the date

after the date and time follows the column list

Column list:

INFLOWRES — well-to-tank connection name, required column, always first;

the following columns may be in any order

STATE — well-to-tank connection state: RUN — operating || STOP — shut in

RPTYPE — relative permeability or fraction flow model: COREY || TABLE || FRACFLOW || TANK (identical options in the reservoir model, keyword TANKWELLLIST)

INFLOWRESDATA

INITIAL

[INFLOWRES] [STATE] [RPTYPE]

'inflow1_pl' RUN FRACFLOW

26.Network joint schedule

NETWORKNODEDATA — the keyword may be repeated any number of times (thereby specifying the network operating schedule)

First line — date and time (time is optional, default 00:00:00)

Second line — column list.

Third and subsequent lines — table.

Column list:

NODE — network joint name, required column, always first.

NETWORK — network type (PROD || INJ || GASPROD || GASINJ), required column, always second.

The following columns may be in any order

CONTROLTYPE — boundary condition type for sources and sinks (PRESS || RATE). Undefined by default.

PRESS — pressure boundary-condition value for sources and sinks [atm]

RATE — rate boundary-condition value for sources and sinks [m3/day]

WATERFACTORTYPE — water factor type for sources (WCUT || WOR || WGR). Undefined by default.

WCUT — water-cut value for sources [%]

WOR — water-oil ratio value for sources [m3/m3]

WGR — water-gas ratio value for sources [m3/m3]

GASFACTORTYPE — gas factor type for sources (GOR || GLR || CGR). Undefined by default.

GOR — gas-oil ratio value for sources [m3/m3]

GLR — gas-liquid ratio value for sources [m3/m3]

CGR — condensate-gas ratio value for sources [m3/m3]

CHOKETYPE — choke specification method (DIAM || DPCHOKE). Undefined by default.

DIAM — choke diameter value [mm].

DPCHOKE — choke pressure-drop value [atm].

CHOKEMODEL — choke model type (ELF || Venturi || Sachdeva). Undefined by default.

GASSEPTYPE — gas separation specification method (GASCOEF || GASRATE). Undefined by default.

GASCOEF — gas separation coefficient value [%].

GASRATE — separated gas rate value [thsd m3/day].

WATERSEPTYPE — water separation specification method (WATERCOEF || WATERRATE). Undefined by default.

WATERCOEF — water separation coefficient value [%].

WATERRATE — separated water rate value [m3/day].

OILSEPTYPE — oil separation specification method (OILCOEF || OILRATE).

OILCOEF — oil separation coefficient value [%].

OILRATE — separated oil rate value [m3/day].

SOURCETEMP — fluid temperature at sources [°C]

DPEQUIP — pressure drop for generic equipment [atm].

DTEQUIP — temperature drop for generic equipment [°C].

ENABLE — include-in-calculation flag (1 — used, 0 — not used). Default 1.

BYPASS — bypass option flag for the joint — when enabled the joint is modeled as a joint (1 — used, 0 — not used). Default 0

Notes:

1. If columns CONTROLTYPE, WATERFACTORTYPE, GASFACTORTYPE, CHOKETYPE, CHOKEMODEL, GASSEPTYPE, WATERSEPTYPE are not specified, their current values are used in the calculation. A calculation error occurs if the current values are also undefined.

2. Difference between ENABLE and BYPASS.

If ENABLE is 0, there is no fluid flow through the joint.

If BYPASS is 0, fluid flow through the joint is preserved, but the joint is treated as JOINT (choke and separator properties are ignored).

NETWORKNODEDATA

01.04.2022 12:35:13

[NODE] [NETWORK] [ENABLE]

'joint' PROD 1

27.Source schedule

NETWORKNODEDATA

01.04.2022 08:00:00

[NODE] [NETWORK] [CONTROLTYPE] [RATE] [WATERFACTORTYPE] [WCUT] [GASFACTORTYPE] [GOR]

'source_1' PROD RATE 20.0 WCUT 50.0 GOR 30.0

Source schedule

NETWORKNODEDATA

01.04.2022 12:00:00

[NODE] [NETWORK] [CONTROLTYPE] [RATE] [WATERFACTORTYPE] [WOR] [GASFACTORTYPE] [GLR]

'source_2' PROD RATE 35.0 WOR 1.0 GLR 15.0

28.Sink schedule

NETWORKNODEDATA

01.04.2022

[NODE] [NETWORK] [CONTROLTYPE] [PRESS]

'sink' PROD PRESS 1.25

29.Choke schedule

NETWORKNODEDATA

01.04.2022

[NODE] [NETWORK] [CHOKETYPE] [DIAM] [CHOKEMODEL] [BYPASS]

'choke' PROD DIAM 8.0 Venturi 1

30.Separator schedule

NETWORKNODEDATA

01.04.2022

[NODE] [NETWORK] [GASSEPTYPE] [GASCOEF] [WATERSEPTYPE] [WATERRATE] [BYPASS]

'sep' PROD GASCOEF 25.0 WATERRATE 35.5 0

31.Network connection (pipe) data

NETWORKPIPEDATA — the keyword may be repeated any number of times (thereby specifying the network operating schedule)

after the keyword, a separate line contains the date and time (time is optional, default 00:00:00)

after the date and time follows the column list

Column list:

PIPE — network connection name, required column, always first

NETWORK — network type (PROD || INJ || GASPROD || GASINJ), required column, always second.

the following columns may be in any order

ENABLE — 1 — used in the calculation, 0 — not used

BYPASS — bypass option flag for the pipe — when enabled the pipe is modeled as a link (1 — used, 0 — not used). Default 0

MIXTUREFLOW — Gas-liquid mixture flow correlation: ORKISZEWSKI || DUNSROS || BEGGSBRILL || MUKHERJEEBRILL || HAGEDORNBROWN || ANSARI || GRIFFITH || AZIZ || POETTMANNCARPENTER || GRAY

FRICTION — friction correction factor

GRIVITY — gravity correction factor

EXTDIAMETER — outer diameter [mm]

THICKNESS — wall thickness [mm]

ROUGHNESS — roughness [mm]

NETWORKPIPEDATA

01.04.2022

[PIPE] [NETWORK] [ENABLE] [BYPASS]

'src1->joint' PROD 1 1

32.Network pipe segment data

NETWORKSEGMENTDATA — the keyword may be repeated any number of times (thereby specifying the network operating schedule)

after the keyword, a separate line contains the date and time (time is optional, default 00:00:00)

after the date and time follows the column list

Column list:

PIPE — network connection name, required column, always first

NETWORK — network type (PROD || INJ || GASPROD || GASINJ), required column, always second.

SEGMENT — segment number (starting from 1), required column, always third.

the following columns may be in any order

EXTDIAMETER — outer diameter [mm]

THICKNESS — wall thickness [mm]

ROUGHNESS — roughness [mm]

NETWORKSEGMENTDATA

01.04.2022 12:35:13

[PIPE] [NETWORK] [SEGMENT] [ROUGHNESS]

'src1->joint' PROD 1 20.0

33.Model constraint data

CONSTRAINTDATA — the keyword may be repeated any number of times (thereby specifying the constraint schedule)

after the keyword, a separate line contains the date and time (time is optional, default 00:00:00)

for initial data, INITIAL is used instead of the date

Column list:

Object type (enumeration). Possible object types:

WELL — well

INFLOW – inflow

SOURCE – source

SINK — sink

CHOKE — line choke

SEP — separator

JOINT — joint

PIPE — pipe

SYSTEM — system constraint

Object name

Constraint type (enumeration) (depends on the object type). Possible constraint types:

MAXOILRATE — maximum oil rate [m3/day]

MAXWATERRATE — maximum water rate [m3/day]

MAXGASRATE — maximum gas rate [thsd m3/day]

MAXLIQUIDRATE — maximum liquid rate [m3/day]

MAXWATERINJRATE — maximum water injection rate [m3/day]

MAXGASINJRATE — maximum gas injection rate [thsd m3/day]

MAXPRESSURE — maximum pressure [atm]

MAXVELOCITY — maximum velocity [m/s]

MINFREQUENCY — minimum ESP frequency [Hz]

MAXFREQUENCY — maximum ESP frequency [Hz]

MINGASLIFTRATE — minimum gas-lift gas rate [thsd m3/day]

MAXGASLIFTRATE — maximum gas-lift gas rate [thsd m3/day]

MINSTROKENUMBER — minimum SRP stroke rate [1/min]

MAXSTROKENUMBER — maximum SRP stroke rate [1/min]

MINBHP — minimum bottomhole pressure [atm]

MAXDPCHOKE — maximum choke pressure drop [atm]

MAXDEPRESS — maximum drawdown [atm]

MAXREPRESS — maximum overbalance [atm]

MINOILRATE — minimum oil rate [m3/day]

MINWATERRATE — minimum water rate [m3/day]

MINGASRATE — minimum gas rate [thsd m3/day]

MINLIQUIDRATE — minimum liquid rate [m3/day]

MINWATERINJRATE — minimum water injection rate [m3/day]

MINGASINJRATE — minimum gas injection rate [thsd m3/day]

MAXCOMPRATE — maximum mass rate of selected compositional-model components [t/day]

MINCOMPRATE — minimum mass rate of selected compositional-model components [t/day]

Constraint value (double)

System constraints may be specified (Object type: SYSTEM, Object name: '')

CONSTRAINTDATA

01.01.2022

WELL '1' MAXOILRATE 50.0

List of components accounted for in the MAXCOMPRATE and MINCOMPRATE constraints

of the CONSTRAINTDATA keyword

CONSTRAINTCNAMES

34.Optimization control equipment data

CONTROLEQUIPMENT — the keyword may be repeated any number of times

after the keyword, a separate line contains the date and time (time is optional, default 00:00:00)

for initial data, INITIAL is used instead of the date

Column list:

Object type (enumeration). Possible object types:

WELL — well

INFLOW — inflow

CHOKE — line choke

Object name

Parameter type (enumeration) (depends on the object type). Possible parameter types:

DPCHOKE — choke pressure drop [atm] — applicable to WELL, INFLOW, CHOKE

FREQUENCY — ESP frequency [Hz] — applicable to WELL

GASLIFTRATE — gas-lift gas rate [thsd m3/day] — applicable to WELL

STROKENUMBER — SRP stroke rate [1/min] — applicable to WELL

Use-in-optimization flag (ON, OFF)

CONTROLEQUIPMENT

01.01.2022

WELL '1' DPCHOKE ON

35.Conditions under which a well, an inflow, or their reservoir connections are shut in until they are explicitly enabled in actions

ABANDONMENT — the keyword may be repeated any number of times

after the keyword, a separate line contains the date and time (time is optional, default 00:00:00)

for initial data, INITIAL is used instead of the date

Column list:

TYPE — object type for which the condition is specified (WELL || INFLOW || WELLRES || INFLOWRES) — required column

NAME — name of the well, inflow, or their reservoir connection — required column

Parameter type (enumeration, may be in any order):

MAXGOR — maximum gas-oil ratio [m3/m3]

MAXWCT — maximum water cut [%]

MAXWGR — maximum water-gas ratio [m3/m3]

MINLIQUIDRATE — minimum liquid rate [m3/day]

MINOILRATE — minimum oil rate [m3/day]

MINGASRATE — minimum gas rate [thsd m3/day]

ABANDONMENT

01.01.2022

WELL 'Well_1' MAXWCT 98

WELL 'Well_1' MINLIQUIDRATE 1

WELL 'Well_1' MAXGOR 1000

36.Calculation steps

CALCSTEPS

01.10.2022 -- step start date[dd.mm.yyyy] and time[hh:mm:ss] (time is optional, default 00:00:00)

01.11.2022 12:45:32 -- step start date and time / previous step end date and time

01.12.2022 -- previous step end date and time

37.Reservoir model — pressure decline curve

DECLINECURVE

[pressure decline curve name] [curve type] [current cumulative production]

'1_PL' OIL 50.5

curve type — OIL — cumulative oil production, GAS — gas, WATER — water, DATE — date and time

cumulative production: oil and water in m3, gas in thsd m3

table defining the pressure decline curve (OIL || GAS || WATER)

pressure[atm] cumulative_production[m3 or thsd m3]

138.90839 1

87.197716 2

52.723931 5.5

20 6

10 500

38.Reservoir model — pressure decline curve

DECLINECURVE

[pressure decline curve name] [curve type] [current cumulative production]

'2_PL' DATE 0.0

curve type — OIL — cumulative oil production, GAS — gas, WATER — water, DATE — date and time

cumulative production: oil and water in m3, gas in thsd m3

table defining the pressure decline curve (DATE)

pressure[atm] date[dd.mm.yyyy] and time[hh:mm:ss]

138.90839 01.10.2022

87.197716 01.11.2022 12:45:32

52.723931 01.12.2022

20 01.01.2023

10 01.02.2023

39.Displacement characteristic

FRACTIONFLOW

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

01.11.2022 12:45:32

[well or inflow to tank connection name] [argument type] [value type]

'1_PL' OILTANK WCT

argument type: PRESS || OILTANK || OILWELLTANK || GASTANK || GASWELLTANK || TIME || PRESSBOTTOM

PRESS — atm, OILTANK — m3, OILWELLTANK — m3, GASTANK — thsd m3, GASWELLTANK — thsd m3, TIME — day, PRESSBOTTOM — atm

value type: WCT || GOR || WGR || CGR

WCT — %, GOR — m3/m3, WGR — m3/m3, CGR — m3/m3

[Argument value] [Function value]

1.0 2.0

20.0 30.0

50.0 90.0

Relative permeability — Corey functions

RPPCOREY

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

01.11.2022 12:45:32

[well or inflow to tank connection name] [residual water saturation [unit fraction]] [residual gas saturation [unit fraction]]

[residual oil saturation to water [unit fraction]] [residual oil saturation to gas [unit fraction]]

[relative permeability at max. water saturation] [relative permeability at max. gas saturation] [relative permeability at max. oil saturation]

[exponent at water saturation] [exponent at gas saturation]

[exponent at oil saturation to water] [exponent at oil saturation to gas]

'1_PL' 0.08 0.3 0.002 0 0.7 0.8 0.9 1.5 1.5 2.0 2.0

'2_PL' 0.08 0.3 0.002 0 0.7 0.8 0.9 1.5 1.5 2.0 2.0

40.Relative permeability — tables (two tables must be specified for the tank: oil-water and gas-oil)

RPPTABLE

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

01.11.2022

[well or inflow to tank connection name] [table type (WATEROIL | GASOIL)]

'1_PL' WATEROIL

[water or gas saturation] [water or gas relative permeability] [oil relative permeability to water or gas]

0.27 0 1

0.285 0.001 0.9343

0.41 0.0209 0.47296

0.5527 0.08353 0.065

0.719 0.31102 0

1 1 0

RPPTABLE

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

01.11.2022

[well or inflow to tank connection name] [table type (WATEROIL | GASOIL)]

'1_PL' GASOIL

[water or gas saturation] [water or gas relative permeability] [oil relative permeability to water or gas]

0.0 0.0 1.0

0.5 0.4 0.5

1.0 1.0 0.0

41.Vogel IPR

41.1.IPRVOGEL

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

INITIAL

[Well or inflow to tank connection name] [Productivity index (PI)] [Reservoir pressure, atm] [Bubblepoint pressure, atm] [Water cut, %]

'1_PL' 1.5 200.0 120.0 17.1

'2_PL' 0.9 195.1 120.0 35.4

41.2.Forchheimer IPR

IPRFORCHHEIMER

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

01.11.2022

[Well or inflow to tank connection name] [Coefficient A] [Coefficient B] [Reservoir pressure, atm]

'1_PL' 1.4 0.6 200.0

'2_PL' 0.8 0.1 195.1

41.3.IPR C and N

IPRCANDN

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

02.11.2022

[Well or inflow to tank connection name] [Coefficient C] [Coefficient N] [Reservoir pressure, atm]

'1_PL' 1.4 0.9 200.0

'2_PL' 0.8 0.5 195.1

41.4.Forchheimer IPR with pseudopressure

IPRFORCHHEIMERPSEUDO

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

03.11.2022

[Well or inflow to tank connection name] [Coefficient A] [Coefficient B] [Reservoir pressure, atm]

'1_PL' 1.4 0.6 200.0

'2_PL' 0.8 0.1 195.1

41.5.IPR no flow boundaries

IPRNOFLOWBOUND

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

04.11.2022

[Well or inflow to tank connection name] [Permeability, mD] [Reservoir thickness, m] [Well radius, m] [Horizontal anisotropy] [Vertical anisotropy] [Horizontal well section length, m] [Reservoir length, m] [Reservoir width, m] [Distance from the boundary to the well center along length, m] [Distance from the boundary to the well center along width, m] [Distance from the boundary to the well center along depth, m] [Skin factor] [Reservoir pressure, atm] [Bubblepoint pressure, atm] [Water cut, %]

'1_PL' 10.0 30.0 0.1 1.0 0.1 1000.0 5000.0 5000.0 2500.0 2500.0 15.0 0.0 320.0 100.0 0.0

41.6.IPR transverse vertical fractures

IPRTRANSVERTFRAC

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

05.11.2022

[Well or inflow to tank connection name] [Permeability, mD] [Reservoir thickness, m] [Well radius, m] [Horizontal anisotropy] [Vertical anisotropy] [Horizontal well section length, m] [Reservoir length, m] [Reservoir width, m] [Distance from the boundary to the well center along length, m] [Distance from the boundary to the well center along width, m] [Distance from the boundary to the well center along depth, m] [Skin factor] [Hydraulic fracture half-length, m] [Dimensionless fracture conductivity] [Number of fractures] [Reservoir pressure, atm] [Bubblepoint pressure, atm] [Water cut, %]

'2_PL' 10.0 30.0 0.1 1.0 0.1 1000.0 5000.0 5000.0 2500.0 2500.0 15.0 0.0 800.0 6.2 2 320.0 100.0 0.0

42.IPR

42.1.IPR

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

06.11.2022

Column list.

NAME — Well or inflow to tank connection name

TYPE — IPR type, enumeration (VOGEL, FORCHHEIMER, FORCHHEIMERPSEUDO, CANDN, NOFLOWBOUND, TRANSVERTFRAC)

PI — Productivity index (PI)

A — Coefficient A (Forchheimer), atm^2 / (m3/day)^2

B — Coefficient B (Forchheimer), atm^2 / (m3/day)

APSEUDO — Coefficient A (Forchheimer with pseudopressure), atm^2 / cP / (m3/day)^2

BPSEUDO — Coefficient B (Forchheimer with pseudopressure), atm^2 / cP / (m3/day)

C — Coefficient C

N — Coefficient N

PERM — Permeability, mD

THICKNESS — Reservoir thickness, m

RW — Well radius, m

ANISHOR — Horizontal anisotropy

ANISVERT — Vertical anisotropy

LW — Horizontal well section length, m

LX — Reservoir length, m

LY — Reservoir width, m

XW — Distance from the boundary to the well center along length, m

YW — Distance from the boundary to the well center along width, m

ZW — Distance from the boundary to the well center along depth, m

SKIN — Skin factor

FHALFLENGTH — Hydraulic fracture half-length, m

FCOND — Dimensionless fracture conductivity

FCOUNT — Number of fractures

PRESSRES — Reservoir pressure, atm

PRESSBP — Bubblepoint pressure, atm

WCUT — Water cut, %

GOR — Gas-oil ratio, m3/m3

CALCMODE — Variable used in the calculation, enumeration (PRESSBP, GOR) — default PRESSBP

[NAME] [TYPE] [PERM] [THICKNESS] [RW] [ANISHOR] [ANISVERT] [LW] [LX] [LY] [XW] [YW] [ZW] [SKIN] [PRESSRES] [PRESSBP] [WCUT] [GOR] [CALCMODE]

'1_PL' NOFLOWBOUND 10.0 30.0 0.1 1.0 0.1 1000.0 5000.0 5000.0 2500.0 2500.0 15.0 0.0 320.0 100.0 0.0 50.0 PRESSBP

42.2.Vogel IPR

IPR

07.11.2022

[NAME] [TYPE] [PI] [PRESSRES] [PRESSBP] [WCUT] [GOR] [CALCMODE]

'1_PL' VOGEL 1.5 200.0 120.0 17.1 50 PRESSBP

42.3.IPR no flow boundaries

IPR

08.11.2022

[NAME] [TYPE] [PERM] [THICKNESS] [RW] [ANISHOR] [ANISVERT] [LW] [LX] [LY] [XW] [YW] [ZW] [SKIN] [PRESSRES] [PRESSBP] [WCUT] [GOR] [CALCMODE]

'1_PL' NOFLOWBOUND 10.0 30.0 0.1 1.0 0.1 1000.0 5000.0 5000.0 2500.0 2500.0 15.0 0.0 320.0 100.0 0.0 50.0 PRESSBP

42.4.IPR transverse vertical fractures

IPR

09.11.2022

[NAME] [TYPE] [PERM] [THICKNESS] [RW] [ANISHOR] [ANISVERT] [LW] [LX] [LY] [XW] [YW] [ZW] [SKIN] [FHALFLENGTH] [FCOND] [FCOUNT] [PRESSRES] [PRESSBP] [WCUT] [GOR] [CALCMODE]

'2_PL' TRANSVERTFRAC 10.0 30.0 0.1 1.0 0.1 1000.0 5000.0 5000.0 2500.0 2500.0 15.0 0.0 800.0 6.2 2 320.0 100.0 0.0 60.0 GOR

42.5.Forchheimer IPR

IPR

10.11.2022

[NAME] [TYPE] [A] [B] [PRESSRES]

'1_PL' FORCHHEIMER 1.4 0.6 200.0

42.6.Forchheimer IPR with pseudopressure

IPR

11.11.2022

[NAME] [TYPE] [APSEUDO] [BPSEUDO] [PRESSRES]

'2_PL' FORCHHEIMERPSEUDO 0.8 0.1 195.1

42.7.IPR C and N

IPR

12.11.2022

[NAME] [TYPE] [C] [N] [PRESSRES]

'2_PL' CANDN 0.8 0.5 195.1

43.Tabular IPR specifying oil, water, and gas rates versus bottomhole pressure

When this IPR type is specified, the following data are ignored: relative permeability and the WCT, GOR, WGR, CGR parameters of the WELLRESCONNECT keyword

First line — Date and time (time is optional, default 00:00:00); for initial data INITIAL is used instead of the date

Second line — well or inflow to tank connection name

Third line — table header

Fourth and subsequent lines — data table

Column list:

PRESSBOTTOM — bottomhole pressure, atm.

OILRATE — oil rate, m3/day

WATERRATE — water rate, m3/day

GASRATE — gas rate, thsd m3/day

IPRTABLELOOKUP

15.11.2022

'1_PL'

[PRESSBOTTOM] [OILRATE] [WATERRATE] [GASRATE]

0 374.9498 89.987952 20.622239

0.13 374.8033 89.952792 20.6141815

0.2484 374.6699 89.920776 20.6068445

0.2669 374.649 89.91576 20.605695

0.5479 374.3324 89.839776 20.588282

1.1248 373.6822 89.683728 20.552521

1.2086 373.5877 89.661048 20.5473235

1.9997 372.6962 89.447088 20.498291

2.1488 372.5281 89.406744 20.4890455

4.1052 370.3232 88.877568 20.367776

4.4114 369.9782 88.794768 20.348801

9.0563 364.7434 87.538416 20.060887

47.3601 240.4133 57.699192 13.2227315

84.2 0 0 0

44.Table of points for matching to actual data

MATCHPOINTS

[Date and time (time is optional, default 00:00:00)]

for initial data, INITIAL is used instead of the date

INITIAL

Well or inflow to tank connection name

'1_PL'

[Liquid rate, m3/day (or gas rate thsd m3/day)] [Bottomhole pressure, atm]

10.0 90.0

15.0 75.0

45.Working component composition for the connection.

First line — well or inflow to tank connection name.

Second and subsequent lines — table.

Column list:

CNAMES — Component names

ZI — Mole fractions, unit fraction

FLUIDCOMP

'1_PL'

CNAMES ZI

N2 0.0018

CO2 0.0136

C1 0.326

C2 0.087

C3 0.0936

iC4 0.0171

C4 0.0423

iC5 0.0192

C5 0.0248

C6 0.0543

C7 0.0435

C8 0.0441

C9 0.021304

C10-C14 0.080622

C15-C18 0.041744

C19-C22 0.028443

C23-C26 0.01938

C27-C31 0.015787

C32-C37 0.011225

C38-C45 0.00773

C46-C56 0.004366

C57-C80 0.002099

46.The keyword describes conditions that trigger the actions described in the SCENARIOACTIONS keyword

Column list describing the conditions:

OBJECTTYPE — type of the object associated with the condition

NAME — name of the object associated with the condition

PARAM — type of the parameter associated with the condition

OPER — comparison operation type for evaluating the condition (<, >, <=, >=, =, !=)

VALUE — parameter value used in the comparison

LOGIC — logical link to the next condition (in the last condition any value must be specified; it will be ignored)

SCENARIOCONDITIONS -- a separate keyword for each scenario

[Scenario name] [Action number] [Condition check location] [Number of executions]

Condition check location: PRESTEP || POSTSTEP || START

'Scen1' 1 PRESTEP 2

[OBJECTTYPE] [NAME] [PARAM] [OPER] [VALUE] [LOGIC]

WELL '1' QLIQUID > 100.5 OR

INFLOW 'inflow1' PRESSBOTTOM < 50.54 OR

SCENARIOCONDITIONS -- a separate keyword for each scenario

OBJECTTYPE: SYSTEM || WELL || INFLOW || WELLRES || INFLOWRES || SOURCE ...

[Scenario name] [Action number] [Condition check location] [Number of executions]

'Scen1' 2 POSTSTEP 2

[OBJECTTYPE] [NAME] [PARAM] [OPER] [VALUE] [LOGIC]

WELLRES '1_PL' QLIQUID > 100.5 AND

SYSTEM '' DATE < '05.05.2024' AND

47.The keyword describes actions performed when the conditions described in the SCENARIOCONDITIONS keyword are met

Column list describing the conditions:

OBJECTTYPE — type of the object for which the action is performed

NAME — name of the object for which the action is performed

PARAM — type of the parameter whose value changes as a result of the action

NEWVALUE — new parameter value

OPER — operation type between the current parameter value and NEWVALUE (=, +, *)

SCENARIOACTIONS

[Scenario name] [Action number] [Condition check location]

'Scen1' 1 PRESTEP

[OBJECTTYPE] [NAME] [PARAM] [OPER] [VALUE]

WELL '1' STATE = STOP

SCENARIOACTIONS

[Scenario name] [Action number] [Condition check location]

'Scen1' 2 POSTSTEP

[OBJECTTYPE] [NAME] [PARAM] [OPER] [VALUE]

WELL '2' DPCHOKE * 105.1

SOURCE 'source_1' QLIQUID = 3.14159

WELL '2' FREQUENCY + 1

48.Object types associated with a condition or an action. OBJECTTYPE takes the values:

SYSTEM — the Integrated Model as a whole

WELL — well

INFLOW — inflow

WELLRES — well-to-reservoir connection

INFLOWRES — inflow-to-reservoir connection

SOURCE — source

SINK — sink

CHOKE — choke

SEPARATOR — separator

JOINT — joint

GENERICEQUIPMENT — generic equipment

PUMP — pump

PIPE — pipeline

49.Parameter types used when evaluating conditions (the PARAM column in the SCENARIOCONDITIONS keyword):

DATE — date

QOIL — oil rate [m3/day]

QWATER — water rate [m3/day]

QLIQUID — liquid rate [m3/day]

QGAS — gas rate [thsd m3/day]

WCT — water cut [%]

GOR — gas-oil ratio [m3/m3]

WGR — water-gas ratio [m3/m3].

CGR — condensate-gas ratio [m3/m3].

PRESS — pressure [atm]

TEMP — temperature [C]

ENABLE — include-in-calculation flag: 1 — used, 0 — not used

BYPASS — bypass option flag for the joint — when enabled the joint is modeled as a joint: 1 — used, 0 — not used

STATE — well state: RUN — operating || STOP — shut in

PRESSBOTTOM — bottomhole pressure [atm]

PRESSRES — reservoir pressure [atm]

PRESSTUBING — tubing-head pressure [atm]

PRESSLINE — line pressure [atm]

TEMPBOTTOM — bottomhole temperature [C]

TEMPRES — reservoir temperature [C]

TEMPTUBING — tubing-head temperature [C]

TEMPLINE — line temperature [C]

FREQUENCY — ESP frequency [Hz]

DPCHOKE — choke pressure drop [atm]

GASLIFTRATE — gas-lift gas rate [thsd m3/day]

STROKENUMBER — SRP stroke rate [1/min]

LIQUIDVELOCITY — liquid velocity [m/s]

BOTTLENECK — bottleneck flag: 1 — yes, 0 — no

PRESSDROP — pipeline pressure drop [atm]

SPECPRESSDROP — specific pressure losses in the pipeline [atm/km]

50.Parameter types that change when conditions are met (the PARAM column in the SCENARIOACTIONS keyword):

QLIQUID — liquid rate [m3/day]

QGAS — gas rate [thsd m3/day]

WCT — water cut [%]

GOR — gas-oil ratio [m3/m3]

WGR — water-gas ratio [m3/m3].

CGR — condensate-gas ratio [m3/m3].

PRESS — pressure [atm]

TEMP — temperature [C]

ENABLE — include-in-calculation flag: 1 — used, 0 — not used

BYPASS — bypass option flag for the joint — when enabled the joint is modeled as a joint: 1 — used, 0 — not used

STATE — well state: RUN — operating || STOP — shut in

PRESSRES — reservoir pressure [atm]

FREQUENCY — ESP frequency [Hz]

DPCHOKE — choke pressure drop [atm]

GASLIFTRATE — gas-lift gas rate [thsd m3/day]

STROKENUMBER — SRP stroke rate [1/min]

below are special parameter types for SCENARIOACTIONS

LIFTTYPE — lift type: NFL — flowing || SRP — SRP || ESP — ESP || ESPCP — ESPCP || RDPCP — RDPCP || GL — valve gas lift || DGL — dual-string gas lift

VFPNUM — VFP table number for bottomhole pressure

VFPTEMPNUM — VFP table number for temperature

TPDNAME — TPD table file name without extension in 'quotes' from the TPDLIST table list

PI — Productivity index [m3/day/atm]

WEFAC — utilization factor [unit fraction]

FRICTION — friction correction factor [dimensionless]

GRIVITY — gravity correction factor [dimensionless]

EXTDIAMETER — pipeline outer diameter [mm]

THICKNESS — pipeline wall thickness [mm]

ROUGHNESS — pipeline roughness [mm]

GASSEPTYPE — gas separation specification method (GASCOEF || GASRATE).

GASCOEF — gas separation coefficient value [%].

GASRATE — separated gas rate value [thsd m3/day].

WATERSEPTYPE — water separation specification method (WATERCOEF || WATERRATE).

WATERCOEF — water separation coefficient value [%].

WATERRATE — separated water rate value [m3/day].

OILSEPTYPE — oil separation specification method (OILCOEF || OILRATE).

OILCOEF — oil separation coefficient value [%].

OILRATE — separated oil rate value [m3/day].

DPEQUIP — pressure drop for generic equipment [atm].

DTEQUIP — temperature drop for generic equipment [°C].

51.WELLVALIDATION specifies a table of actual data for checking the quality of well matching

First line — table header

Second and subsequent lines — data table

Column list:

WELL — well name

RESP — reservoir pressure, atm (Reservoir Pressure)

PSHIFT — reservoir pressure correction, atm (IPR DP shift)

TUBP — tubing-head pressure, atm (Tubing Pressure)

LRATE — liquid rate, m3/day (Liquid Rate)

WCT — water cut, % (Water Cut)

GOR — gas-oil ratio, m3/m3 (Gas Oil Ratio)

GRATE — gas rate, thsd m3/day (Gas Rate)

WGR — water-gas ratio, m3/m3 (Water Gas Ratio)

CGR — condensate-gas ratio, m3/m3 (Condensate Gas Ratio)

WINJRATE — water injection rate, m3/day (Water Injection Rate)

GINJRATE — gas injection rate, thsd m3/day (Gas Injection Rate)

FREQ — ESP frequency, Hz (Operating Frequence)

GLINJRATE — gas-lift gas rate, thsd m3 (Gaslift Injection Rate)

SRPSTRNUM — stroke rate, 1/min (Strokes Per Minute)

SRPSTRLEN — stroke length, mm (Stroke Length)

WELLVALIDATION

[WELL] [RESP] [PSHIFT] [TUBP] [LRATE] [WCT] [GOR] [FREQ]

'1' 200.0 0.0 25.0 50.0 31.0 60.0 55.0

WELLVALIDATION

[WELL] [RESP] [PSHIFT] [TUBP] [WINJRATE]

'3' 190.0 0.0 50.0 90.0

52.Calculation settings

52.1.CALCSETTINGS

[Parameter type] [Parameter value]

ARTLIFTSRP STROKES -- artificial lift parameter type for SRP — enumeration: stroke length or stroke rate (LENGTH || STROKES)

PRESSERROR 0.1 -- pressure calculation tolerance, atm (double)

RATEERROR 0.1 -- liquid rate calculation tolerance, m3/day (double)

GASRATEERROR 0.01 -- gas rate calculation tolerance, thsd m3/day (double)

MAXITER 100 -- maximum number of iterations (int)

WELLBOUNDCOND RESERVOIR -- well boundary-condition specification method (RESERVOIR || SURFACE). In the SURFACE case wells operate as sources.

In the RESERVOIR case nodal analysis is calculated for wells, and the reservoir model is used (if specified).

PRESSHIFTMODE ON -- account for reservoir pressure correction in the calculation (OFF || ON), default ON

PIPECYCLEPRESSERROR 0.5 -- pressure tolerance used by the network model to close loops, atm (double), default 0.5

USEGDEM OFF -- use the GDEM method to accelerate the calculation (OFF || ON), default OFF

PERIODGDEM 5 -- minimum number of iterations between GDEM calls (int), default 5

SIZEGDEM 2 -- dimension of the GDEM equation system (int), default 2

CRITGDEM 0.001 -- GDEM trigger criterion (double), default 0.001

USEGASLIFTSYSTEM ON -- coupled calculation of the production and gas-lift networks (OFF || ON), default ON

MAXSTARTLIQRATE 1000.0 -- maximum initial liquid rate, m3/day

MAXSTARTGASRATE 1000.0 -- maximum initial gas rate, thsd m3/day

MAXLIQRATECHANGE 1000.0 -- maximum liquid rate change per iteration, m3/day

MAXGASRATECHANGE 1000.0 -- maximum gas rate change per iteration, thsd m3/day

INHIBITORTRACKING OFF -- calculate inhibitor concentrations, ON || OFF (default OFF — in this case inhibitor sources are disabled)

TRACKINGCHOKEMODE COMP -- calculate choke pressure and temperature drops using the compositional model or black oil in tracking calculation mode, COMP || BLACKOIL (default BLACKOIL)

TEMPERATUREERROR 1 -- temperature calculation tolerance (default 1.0), °C

MAXTEMPERATURECHANGE 50 -- maximum temperature change per iteration (default 50.0), °C

MAXPIPELENGTH 100 -- maximum pipe section length (default 100.0), m

RELAXFACTOR 1 -- relaxation factor (default 1.0), dimensionless

PARALLEL 1 -- number of parallel calculation cores (default 1) (int)

PRESSPERTURBANCE 1 -- pressure increment when computing derivatives (default 1.0), atm

GASPERTURBANCE 28 -- gas rate increment when computing derivatives (default 28.0), thsd m3/day

LIQUIDPERTURBANCE 150 --- liquid rate increment when computing derivatives (default 150.0), m3/day

TEMPPERTURBANCE 5 -- temperature increment when computing derivatives (default 5.0), °C

CALCTEMPERATURE ON -- temperature calculation (OFF || ON), default ON

RELAXFACTORMODE FIXED -- relaxation factor specification method (FIXED — fixed, LINESEARCH — Line Search algorithm, LINESEARCHMOD — modified Line Search algorithm) (default — FIXED)

RELAXCALCSTARTSTEP 2 -- iteration number from which relaxation factor selection starts (default — 2)

RELAXFACTORMULT 1 -- step multiplier in linear search (default — 1.0), dimensionless

52.2.Common settings for the Rule Based Solver and the SQP optimizer

COMMONOPTSETTINGS

MAXDPCHOKE 200 -- maximum choke pressure-drop value, atm (double), default 200 atm

WELLCONSTRAINTS ALL -- account for well and inflow constraints: ALL — all constraints, CONTROL — constraints only for wells and inflows with control (default ALL)

52.3.Rule Based Solver settings

RBNSSETTINGS

[Parameter type] [Parameter value]

TARGET MAXOILRATE -- objective function (MAXOILRATE || MAXLIQUIDRATE || MINLIQUIDRATE || MAXGASRATE || MINGASRATE || PRODUCTION || MAXWATERINJRATE || MAXGASINJRATE)

MAXITER 50 -- maximum number of iterations (int)

LIQRATEERROR 1.0 -- liquid-rate constraint tolerance, m3/day (double)

GASRATEERROR 1.0 -- gas-rate constraint tolerance, thsd m3/day (double)

PRESSERROR 1.0 -- pressure constraint tolerance, atm (double)

MINCONTROLCHANGE 0.01 -- minimum control-parameter change to finish the calculation, unit fraction (double)

MAXFREQUENCYCHANGE 10.0 -- maximum ESP frequency change, Hz (double)

MAXPRESSCHANGE 10.0 -- maximum pressure change, atm (double)

MAXGASLIFTRATECHANGE 0.5 -- maximum gas-lift gas rate change, thsd m3/day (double)

MAXSTROKENUMBERCHANGE 0.5 -- maximum SRP stroke rate change, 1/min (double)

WATERPENALTY 1.0 -- penalty parameter for watered-out wells, default 1.0

OILWEIGHT 1.0 -- weight parameter for the oil/condensate fraction, default 1.0

CALCCHOKECONSTRAINT OFF -- calculate constraints for the maximum choke pressure drop to prevent well shut-in (OFF || ON), default OFF

USECONTROLPRIORITY ON -- account for control parameter priority (parameters with and without energy consumption) (OFF || ON), default ON

COMPRATEERROR 1 -- component-rate constraint tolerance, t/day (double)

52.4.SQP optimizer settings

SQPSETTINGS

[Parameter type] [Parameter value]

TARGET MAXOILRATE -- objective function (MAXOILRATE || MAXLIQUIDRATE || MINLIQUIDRATE || MAXGASRATE || MINGASRATE || PRODUCTION || MAXWATERINJRATE || MAXGASINJRATE)

MAXITER 50 -- maximum number of iterations (int)

MINCONTROLCHANGE 0.01 -- minimum control-parameter change to finish the calculation, unit fraction (double)

MAXFREQUENCYCHANGE 10.0 -- maximum ESP frequency change, Hz (double)

MAXPRESSCHANGE 10.0 -- maximum pressure change, atm (double)

MAXGASLIFTRATECHANGE 0.5 -- maximum gas-lift gas rate change, thsd m3/day (double)

MAXSTROKENUMBERCHANGE 0.5 -- maximum SRP stroke rate change, 1/min (double)

APPROXSIZE 0 -- number of approximation points of the objective function and constraints (int), default 0

if APPROXSIZE <= 0, the number of points is determined by the formula 2n+1, where n is the number of active controls

otherwise APPROXSIZE explicitly sets the number of points (it is recommended to specify at least n+1 points)

USEIMPROVECRITERION OFF -- stop optimization when there is no improvement of the objective function and constraints (OFF || ON), default OFF

IMPROVECRITERION 0.01 -- relative threshold for checking the absence of improvement of the objective function and constraints (double), default 0.01

IMPROVELIMIT 6 -- number of times the no-improvement criterion is triggered after which optimization stops

CONSTRAINTMETHOD QUADRATIC -- constraint approximation method (LINEAR || QUADRATIC), default LINEAR

52.5.Calculation results are saved to a file with the project name and the *.oimres extension

52.6.The calculation log is saved to a file with the project name and the *.oimlog extension

52.7.

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