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利用间开方式提高欢26块负效井开发效益
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作者 张艳 《石化技术》 CAS 2018年第1期227-227,共1页
通过对欢26块负效井开展间开制度的优化研究,针对不同油井间开制度的探索,摸索出一套切实有效的间开制度,有效提高低产井的管理水平,降低了低产井的吨油成本。
关键词 负效井 间开 时间 时间 开发
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基于效益复产的控水采气技术——以磨溪气田嘉陵江组二段气藏为例
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作者 胡秀银 罗诉舟 +3 位作者 郑丽 符一洲 曾秀权 徐建平 《天然气勘探与开发》 2024年第5期76-85,共10页
高产水气井因低效或无效益关停后,井口压力恢复较高,井控安全风险大。按照原有常规开发模式复产将面临地层水处理成本高、无人值守生产管理难度大等问题。为实现磨溪气田下三叠统嘉陵江组二段气藏安全效益复产,综合考虑气藏生产管理、... 高产水气井因低效或无效益关停后,井口压力恢复较高,井控安全风险大。按照原有常规开发模式复产将面临地层水处理成本高、无人值守生产管理难度大等问题。为实现磨溪气田下三叠统嘉陵江组二段气藏安全效益复产,综合考虑气藏生产管理、安全环保和经济效益等因素,提出新型控水采气技术作为高压、高产水、低负效气井复产的工艺措施。通过开展控水采气生产现场试验,分析不同产水量、产气量、生产时长和间开周期条件下油压、产量等动态数据之间的关系,确定合理生产压差、产水规模和间开周期;同时结合气藏生产组织、生产管理等综合因素确定开关井制度,通过安装智能间开系统等配套工艺,进一步提升控水采气技术措施效果。研究结果表明:(1)该技术确保气藏关停井整体成功复产,有效降低了井控风险;(2)通过现场试验和推广应用,验证了选井标准和工艺参数计算方法的科学性;(3)“智能间开系统”等配套工艺进一步提升了现场运用效果。该技术为关停井复产、高压井管控、精细生产管理及提高气藏采收率提供了有力的技术支撑,在同类气藏中具有较强的推广应用价值。 展开更多
关键词 磨溪气田 高产水 控水采气 关停复产 负效井 益开发
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Impact of Grouting and Loading of Building Construction on the Water Level of Tangshan Mine Well
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作者 Sheng Yanrui Zhang Ziguang +3 位作者 Zhang Suxin Sun Dongxia Shan Lianjun Yin Baojun 《Earthquake Research in China》 2014年第2期242-249,共8页
The water level rising rate of Tangshan mine well significantly accelerated in 2010,and the ascensional range was obviously higher than that of the same period in previous years.From the view of groundwater dynamics a... The water level rising rate of Tangshan mine well significantly accelerated in 2010,and the ascensional range was obviously higher than that of the same period in previous years.From the view of groundwater dynamics and loading effects,and based on the water pumping( pouring) water test model and semi-infinite elastic space theory model under uniform load,the effects of grouting and loading of nearby building construction on the well water level were analyzed. Results show that grouting at a distance of 200 ~ 700 m to the well,with amount of 2500m3 per day and duration of 270 d,can cause an 8 ~ 11 m rise of well water level; and loading of large-area building construction can cause about a 4m rise of well water level. Through the analysis of these factors,we find that the water level anomalous rising of Tangshan mine well was relevant to grouting and loading of the nearby building construction. This study provides a scientific basis for anomalous rising analysis of water level of Tangshan mine well. 展开更多
关键词 Tangshan mine well Water level rise Uniform load theory model Pumping test model
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