苏里格西区智能化泡沫排水采气工艺技术研究与应用
中国石油川庆钻探工程公司, 地质勘探开发研究院, 四川成都 610051
| 摘 要： | 苏里格西区普遍含水，气水关系复杂，“甜点”存“点团状”零星分布，富集范围小，规模上产稳产风险大，以气水同层为主，纯气层零星分布，结合“三低”气藏的性质，导致了富水区储量动用率低。新型智能化泡排排水采气工艺弥补了人工泡排现场作业的短板，不受气候、交通等干扰因素影响，加药周期更合理，助排效率高，能实现气井精细化管理，也解决了苏里格西区富水区产量低生产不稳定的难题。以苏里格西区苏A区块为例，对该区块单井实施智能化泡沫排水采气的工艺设备、技术特点、应用效果及效益进行了分析，验证了该项工艺对于苏里格西区的高效开发能够提高新的思路和方法。 |
| 关 键 词： | 苏里格西区富水气藏; 智能注剂; 泡沫排水采气 |
| DOI： | 10.57237/j.se.2024.02.002 |
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收稿日期: 2023-12-13
接受日期: 2024-03-08
在线出版日期: 2024-03-18
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 |
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