Research and Application of Intelligent Foam Drainage and Gas Recovery Technology in Sulige West Area
Research Institute of Geological Exploration and Development, CNPC Chuanqing Drilling Engineering Co., Ltd., Chengdu 610051, China
| Abstract: | Sulige west area generally contains water, the relationship between gas and water is complex, the "dessert" is sporadically distributed in a "point cluster" shape, the enrichment range is small, and the risk of stable production on a large scale is large. It is mainly the same layer of gas and water, and the pure gas layer is sporadically distributed. Combined with the nature of the "three low" gas reservoir, the reserve utilization rate in the water rich area is low. The new intelligent bubble drainage gas production process makes up for the shortcomings of artificial bubble drainage on-site operation, is not affected by climate, traffic and other interference factors, has a more reasonable dosing cycle and high drainage efficiency, can realize the fine management of gas wells, and also solves the problem of low production and unstable production in the water rich area of sulige west district. Taking Su 59 block in Sulige west area as an example, the process equipment, technical characteristics, application effects and benefits of intelligent foam drainage and gas recovery in the block are analyzed, and the new idea and method for the efficient development of Sulige west area are verified. |
| Keywords: | Sulige West Water Rich Gas Reservoir; Intelligent Injection Equipment; Foam Drainage Gas Production |
| DOI: | 10.57237/j.se.2024.02.002 |
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Received: 13 December 2023
Accepted: 8 March 2024
Published Online: 18 March 2024
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