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The single well chemical tracer (SWCT) test can be used to evaluate an Improved oil recovery (IOR) process quickly and inexpensively. The one-spot procedure takes advantage of the nondestructive nature of the SWCT method. The single-well (one-spot) pilot is carried out in three steps. First, Sor for the target interval is measured (seeResidual oil evaluation using single well chemical tracer test. Then an appropriate volume of the IOR fluid is injected into the test interval and pushed away from the well with water.
- North America > United States > California > San Francisco County > San Francisco (0.15)
- North America > United States > Alaska > North Slope Borough > Prudhoe Bay (0.15)
- North America > United States > California > West Coyote Field (0.99)
- North America > United States > Alaska > North Slope Basin > Prudhoe Bay Field > Aurora Field (0.99)
- Reservoir Description and Dynamics > Improved and Enhanced Recovery (1.00)
- Reservoir Description and Dynamics > Formation Evaluation & Management > Tracer test analysis (1.00)
- Information Technology > Knowledge Management (0.41)
- Information Technology > Communications > Collaboration (0.41)
The first SWCT test for Sor was run in the East Texas Field in 1968.[1] Patent rights were issued in 1971.[2] Since then, numerous oil companies have used the SWCT method.[3][4][5][6][7] More than 400 SWCT tests have been carried out, mainly to measureSor after waterflooding. The SWCT method has gained considerable recognition over the past few years because of increasing interest in the quantitative measurement ofSor. Some experts[8][9] consider the SWCT test to be the method of choice because of its demonstrated accuracy and reasonable cost.
- North America > United States > Texas (1.00)
- North America > United States > Alaska > North Slope Borough > Prudhoe Bay (0.28)
- North America > United States > Texas > East Texas Salt Basin > East Texas Field > Woodbine Formation (0.99)
- North America > United States > Gulf of Mexico > Central GOM > East Gulf Coast Tertiary Basin > Eugene Island > Block 193 > Bay St. Elaine Field (0.99)
- North America > United States > California > West Coyote Field (0.99)
- (2 more...)
- Information Technology > Knowledge Management (0.40)
- Information Technology > Communications > Collaboration (0.40)
In certain situations, it is necessary to obtain a reliable measurement for connate water saturation (Swc) in an oil reservoir. The single well chemical tracer (SWCT) method has been used successfully for this purpose. The SWCT method has been used successfully for this purpose in six reservoirs. The procedure is analogous to the SWCT method forSor, taking into account that oil is the mobile phase and water is stationary in the pore space. Because oil is the mobile phase, it is used to carry the chemical tracers into and back out of the formation.
- Information Technology > Knowledge Management (0.42)
- Information Technology > Communications > Collaboration (0.42)