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Proven Best Practices Reservoir Engineering Monthly |
January 2015 - Volume 10 Issue 1
When You Just Can't Hold Gas Back
Sometimes you can’t help it. In order to get the oil out of a pool, you must produce the gas cap too.
In order to produce gas from a gas cap, the AER requires a concurrent gas cap production (CCP) application. In addition to some technical information about the reservoir and recovery, the regulator wants to know your strong case for gas cap production.
Generally producing gas cap gas from an oil pool is a poor idea. Expansion of a gas cap can provide energy to keep the up a pool’s pressure and increase oil recovery. Blowing the gas cap down too early can rob the pool of pressure support and reduce oil production.
Although the AER believes one shouldn’t blow off a gas cap prematurely, they know that sometimes producing the gas cap is in Alberta’s best interest. They have six ways you can get approval to produce a gas cap.
Often a CCP application will accompany a good production practice (GPP) application.
If they disapprove your CCP application, the regulator may revoke GPP or restrict gas production from the reservoir.
Proven has submitted over 1000 regulatory applications – usually in conjunction with a pool study or simulation.
Proven has found that less than half of what you need to know to get an approval is contained in the guides. We know exactly what the regulator will approve because we read between the lines of the regulations. Can we help?
~Granger J. Low
A New Year with the President
Granger J. Low is the president of Proven Reserves and its principal engineer since 1999.
Granger was born and raised here in Calgary. He has a Master of Engineering degree from the University of Calgary where his thesis was titled 'A New Method of Deconvolution Unmasks Reservoir Pressure Response of Varying Rate Drawdown Test.' He has worked for over 30 years in the oil and gas industry, and has worked on projects all over the Western Canada Sedimentary Basin. At the beginning of his career, he worked four years in the field in Rainbow Lake. His work specialties include pressure transient analysis, reservoir exploitation, and petroleum economics.
Granger is also actively involved in developing reservoir engineering software solutions for commercial release. AppIntel - one such program - allows users to easily search and study applications from all over Alberta.
Granger enjoys serving in the community when he’s not at work. He is currently serving as the CEO of a local charity, and has previously served as a scout leader with Scouts Canada. He also enjoys waterskiing and playing chess with his five sons.
Thanks, Granger!
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© 2015 Proven Reserves Exploitation Ltd.