[1]肖 寒,周莲莲,周旻昊,等.龙女寺龙王庙组气藏气井初期产能主控因素分析[J].复杂油气藏,2023,16(03):335-342.[doi:10.16181/j.cnki.fzyqc.2023.03.015]
 XIAO Han,ZHOU Lianlian,ZHOU Minhao,et al.Analysis of main controlling factors of initial productivity of gas wells in the Longwangmiao Formation Gas reservoir of Longnvsi Block[J].Complex Hydrocarbon Reservoirs,2023,16(03):335-342.[doi:10.16181/j.cnki.fzyqc.2023.03.015]
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龙女寺龙王庙组气藏气井初期产能主控因素分析()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
16卷
期数:
2023年03期
页码:
335-342
栏目:
油气开发
出版日期:
2023-09-25

文章信息/Info

Title:
Analysis of main controlling factors of initial productivity of gas wells in the Longwangmiao Formation Gas reservoir of Longnvsi Block
作者:
肖 寒周莲莲周旻昊罗 弘查家豪
中国石油西南油气田公司川中油气矿,四川 遂宁 629000
Author(s):
XIAO HanZHOU LianlianZHOU MinhaoLUO HongZHA Jiahao
Central Sichuan Oil and Gas District,Southwest Oil&Gas Field Company,PetroChina,Suining 629000,China
关键词:
初期产能灰色关联主控因素快速产能评价龙王庙龙女寺
Keywords:
initial well productivitygrey correlationmain controlling factorsrapid productivity evaluationLongwangmiao FormationLongnvsi Block
分类号:
TE122
DOI:
10.16181/j.cnki.fzyqc.2023.03.015
文献标志码:
A
摘要:
川中龙女寺区块龙王庙组气藏作为磨溪主体区重要的产能接替区,具有较大勘探开发潜力。气藏处于试采阶段,表现出气井初期产能差异较大的特征,亟需开展初期产能主控因素分析,摸清高产井控制因素,指导下步勘探开发部署工作。在对龙王庙组气藏54口已测试气井进行产能分类后,通过对气井优质储层厚度、中部海拔、裂缝密度、孔隙度及沥青含量5个地质参数和泵压、排量2个工程参数与无阻流量进行相关性研究,研究表明各单因素与产能具有一定正相关或负相关性,但相关性不明显;运用灰色关联分析方法,得到7个地质、工程影响因素与无阻流量的关联度,从而明确了气井初期产能的主控因素,并根据主控因素关联度,建立了适用于龙女寺龙王庙组气藏的产能综合指标评价方法,可以在气藏早期评价阶段快速定性地对气井产能进行评价,指导下步勘探开发部署工作。
Abstract:
The gas reservoir of Longwangmiao Formation in Longnvsi Block in central Sichuan as an important productivity replacement area of Moxi main area,has a large exploration and development potential. The gas reservoir is in the trial production stage,showing the characteristics of the large difference in the initial production capacity of gas wells. It is urgent to carry out the analysis of the main controlling factors of the initial production capacity,to find out the controlling factors of high-yielding wells,and to guide the next step of the deployment of the exploration and development. After classifying the production capacity of 54 tested gas wells in the Longwangmiao Formation gas reservoir,the correlation study was carried out on 5 geological parameters of gas wells,namely high-quality reservoir thickness,central elevation,fracture density,porosity,and bitumen content,as well as 2 engineering parameters,namely,pumping pressure and displacement with open flow rate. The study shows that each single factor has a certain positive or negative correlation with the production capacity,but the correlation is not obvious. Using the grey correlation analysis method,the correlation degree of 7 geological and engineering influencing factors with the open flow rate was obtained,to define the main controlling factors of the initial productivity of the gas wells. According to the correlation degree of the main controlling factors,a comprehensive productivity index evaluation method suitable for the Longwangmiao Formation gas reservoir in Longnvsi Block was established,which can quickly and qualitatively evaluate the gas well productivity in the early gas reservoir evaluation stage,and guide the next step of exploration and development deployment.

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备注/Memo

备注/Memo:
收稿日期:2022-12-04;改回日期:2023-02-17。
第一作者简介:肖寒(1986—),硕士,主要从事气藏动态分析研究工作。E-mail:xh123.gwdc@cnpc.com.cn。
更新日期/Last Update: 1900-01-01