Title: Amphoteric Polymer Improves Hydrocarbon/Water Ratios in Producing Wells—An Indonesian Case Study
Abstract: Summary Exorbitant water production is constantly burdening the oil industry, especially as lifting and facility costs rise and disposal of produced water becomes increasingly expensive and environmentally sensitive. An amphoteric polymer material (APM), previously described in Ref. 2, has been successfully applied in Indonesia. This product reduces water cut and very often increases hydrocarbon production by effectively reducing the permeability to water without significantly changing the formation permeability to hydrocarbons. This paper reviews the mechanism, application, and associated laboratory results by which the APM polymer reduces water cut, with a primary emphasis on Indonesian case histories. The product can successfully and economically reduce water production, often with the added benefit of increased hydrocarbon production. Results also indicate that high-permeability sandstone reservoirs with water-production problems can benefit from APM treatments. Laboratory and field results show good product application under high-shear situations and at temperatures up to 275°F.1,2,4 Careful candidate selection and good placement techniques, in conjunction with production logging to determine water location, are important to the success of APM jobs.
Publication Year: 1997
Publication Date: 1997-08-01
Language: en
Type: article
Indexed In: ['crossref']
Access and Citation
Cited By Count: 12
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