PowerPoint PresentationPUMP PROJECT
Germania Unit Rate Forecasting Based on Other Waterflood Pilots in the Spraberry Area
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Objectives
To propose the location of new injection wells in the Germania Unit.
To forecast the incremental oil recovery due to waterflooding in other waterflood Pilot area. The rate forecast is applied to Germania Unit for economic purpose.
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Coupling between Injector and Producers
The coupling is taken based on the production response in the on trend and off trend wells during the waterflood period.
This coupling could be used to determine the new location of injection wells.
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Germania (Spraberry) Unit Layout
The red line indicates a coupling between an injector and producers and rectangular box indicates the well has available production history.
WIWs #8, 11, and 15 did not have significant effect on surrounding oil production wells.
The production responses obtained from coupling between an injector and producers are parallel to the fracture orientation in NE-SW direction.
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Germania (Spraberry) Unit Layout
The green ring fence is taken from the O’Daniel Pilot assuming this unit would behaves similar response.
The circle mark indicates the proposed injection wells. From the coupling between injection and production shows that the location of proposed injection wells #408A and 10 should be relocated because they are along old injector path.
The wells that have shown good waterflood response in the other Pilots are analyzed to determine the incremental oil recovery during waterflooding. The results are applied to Germania Unit for economic purpose.
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Decline Curve Analysis of GSU – 10 (GSU – 19 as an Injector)
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Total Incremental Oil Rate Due to Waterflood in The Germania Unit
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Cumulative Oil Recovery Due to Waterflood in The Germania Unit
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Rate Forecasting based on Incremental Oil from ET O’Daniel Area
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Comparison Cumulative Oil Recovery Due to Waterflood and CO2 Injection
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Total Cumulative Oil Recovery Due to Waterflood and CO2 Injection
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Total Incremental Oil Rate Due to Waterflood and CO2 Injection in The E.T O’Daniel Pilot
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Total Incremental Oil Rate Due to Waterflood in The Upper “McDonald” Pilot
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Cumulative Oil Recovery Due to Waterflood in The Upper “McDonald” Pilot
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Total Incremental Oil Rate Due to Waterflood in The “Heckman” Pilot
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Cumulative Oil Recovery Due to Waterflood in The “Heckman” Pilot
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Pilot Area
Germania
~ 19
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FUTURE WORK
Improve OFM model to get external data from other Database systems, such as ODBC (Microsoft Access, Dwights and PI).
Perform similar tasks for ET O’Daniel Pilot Area (Gokul is responsible for this task)
Perform reservoir simulation
Water injector# 48
Injector
Waterflood
period
On
Water injector# 48
and MSCF/D)
and MSCFS)
are converted to injectors
are converted to injectors
Expected Waterflood Respond
Note : 5 out of 41 producers are converted to injectors
0
20000
40000
60000
80000
100000
120000
2/9/99
8/28/99
3/15/00
10/1/00
4/19/01
11/5/01
5/24/02
12/10/02
Water injector# 48
0
1
2
3
4
5
6