A strong stability gel foam for water shutoff during oil and gas reservoir development
Yang H. Xu Z. Zhao Y. Zhang B. Cui W. Kang W. Qi J. Tang Z. Xu P.
1 February 2024American Institute of Physics Inc.
Physics of Fluids
2024#36Issue 2
In view of the short effective period of conventional foam for water shutoff during oil and gas reservoir development, a strong stability gel foam system is proposed in this work. By comparing the foam properties of different foaming systems, the optimized formulation of foam system is “0.3% SDS (sodium dodecyl sulfate) + 0.4% HPAM (partially hydrolyzed polyacrylamide) + 0.3% SD-107 (organic chromium).” At 50 °C and 10 000 mg/l salinities, the volume of foam is basically unchanged after a short time of defoaming and finally remains above 70%, and the drainage half-life can reach 16 days. The polymer and crosslinker form a stable three-dimensional network structure on the Plateau boundary after foaming, which has good viscosity and viscoelasticity. The foam system has excellent temperature and salt resistance. It is appropriate for medium and low temperature shallow reservoirs. The foam system has a good plugging efficiency. It can effectively plug the fracture and improve the sweep volume, which has a good application prospect.
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School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
National Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China), Qingdao, 266580, China
No. 4 Oil Production Plant, Petro China Changqing Oilfield Company, Yulin, 718500, China
No. 10 Oil Production Plant, Petro China Changqing Oilfield Company, Qingyang, 745100, China
Xian Changqing Tongxin Petroleum Technology Co., Ltd., Xian, 710018, China
Kazakh-British Technical University, Almaty, 050000, Kazakhstan
PetroChina Tarim Oilfield Company, Korla, 841000, China
School of Petroleum Engineering
National Key Laboratory of Deep Oil and Gas
No. 4 Oil Production Plant
No. 10 Oil Production Plant
Xian Changqing Tongxin Petroleum Technology Co.
Kazakh-British Technical University
PetroChina Tarim Oilfield Company
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