DECLINE — Decline Curve

The reservoir model file is saved with the ".ors" extension in keyword format. Each keyword must be on a separate line; data starts on a new line and ends with the "/" character.

1.Reservoir model type: DECLINE — decline curve, MATBAL — material balance model

MODELTYPE

DECLINE   -- DECLINE || MATBAL    

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2.User description of the model (in 'quotes' on a single line)

DESCRIPTION

'Reservoir model A, updated on 01.01.2024'

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3.Keywords for describing the decline curve (MODELTYPE DECLINE /)

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

CURVETYPE

OIL      -- OIL || GAS || WATER || DATE

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4.Cumulative production at the current time: oil and water in thsd m³, gas in thsd m³

CURCUMPROD

50.5

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5.Table that defines the decline curve (OIL || GAS || WATER)

DECLINETABLE

[pressure[atm]] [cumulative_production[see CURCUMPROD]]

138.90839   1

52.723931        5.5

10          500

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6.Table that defines the decline curve (DATE)

DECLINETABLE

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

138.90839   01.01.2021

87.197716   01.02.2021 12:45:32

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DECLINE model calculation results: Pressure corresponding to CURCUMPROD (printed to the console)