摘要
彭水区块常压页岩气藏随着开发的不断进行,地层能量减弱,井筒积液严重,严重影响气田的高效平稳开发。通过分析气藏地质特征和开发现状,在对井底积液和排水采气技术现状调研的基础上,利用井筒已有气举管柱,建立天然气增压气举阀气举模型,利用集气站反输气对PY3井进行气举作业,开展了气举效果对比分析。研究结果表明,间歇气举作业对彭水区块常压页岩气自喷井辅助排液生产效果明显。
With the continuing development of normal pressure shale gas reservoir in Pengshui block,the formation energy decreased,and the liquid was accumulated in the wellbore,which has a strong negative impact on the further development of the gas reservoir. Based on the research of wellbore liquid accumulation and gas lift drainage technology,the analysis of gas reservoir geologic feature and develop situation was conducted in this paper. We can utilize the gas lift string in the wellbore to build the gas lift model of pressure boost gas lift valve,and gas lift operation in PY3 well was processed with the help of reverse gas transmission technology in the gas collection station. Finally the gas lift efficiency result was compared. The research indicated that batch-type gas lift operation has a significant positive impact on the normal pressure shale gas reservoir gusher well auxiliary drainage production in Pengshui block.
出处
《重庆科技学院学报（自然科学版）》
CAS
2016年第3期78-81,共4页
Journal of Chongqing University of Science and Technology：Natural Sciences Edition
基金
四川省科技创新苗子工程项目"多功能钻井泥浆取样装置"(2014-108)
关键词
彭水区块
页岩气
井筒积液
气举
现场应用
Pengshui block
shale gas
wellbore liquid accumulation
gas lift
field application
