... enhanced recovery gas injection method injector reservoir simulation production control production monitoring oil production cumulative oil production waterflooding formation todnem spe 78344 tarbert formation reservoir surveillance etive formation brent brent producer reservoir...

... flooding in the area. As a result of this, one of the wells (B-3) was successfully re-perforated in a thin undrained zone in the Tarbert Formation. In 1995 a new 3D seismic survey for reservoir monitoring (4D-pilot study) was acquired over the studied area. The most pronounced 4D effects are observed...

... ] of additional oil was produced as a direct result of the gas injected. The net gas used, allowing for produced injected gas and additional fuel gas for compression was 3.2 bscf [90 × 10 6 m 3 ], resulting in a gas-to-recovered-oil ratio of 5.8 Mscf/stb [1040 m 3 /m 3 ]. tarbert formation upstream oil...