Several companies are using water and gas (WAG) injection technology to improve miscible flood sweep.

Each miscible injection bank reduces interfacial tension and dissolves oil.  These banks sweep oil from injector to producers.

The benefit of injecting water alternating with gas is preventing fingering.  Each interspersed water bank normalizes the gas plug front behind it.

Recovery improves significantly – in some cases triple the recovery of a water flood alone.

What’s the cost of injectant?  About $1 of gas to recover a barrel of oil.

Because of the wide gas/oil differential, many operators are looking for ways to use gas to increase oil recovery.

Miscible flooding is an inexpensive way to increase reserve recovery and store gas for later high priced markets.

~Granger J. Low

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 27 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.

Recently, Granger has been actively involved in perfecting reservoir engineering software solutions for commercial release, the first of which - AppIntel - allows users to easily search and study reservoir schemes from all over Alberta.

Granger enjoys serving in the community when he’s not at work. He has served as the CEO of a local charity, and is currently a scout leader with Scouts Canada. He also enjoys waterskiing and playing chess with his sons.

Thanks, Granger!