[1]古永红,吕杨,王文雄,等. 低渗砂岩气藏水平井分段压裂裂缝位置优选[J].油气井测试,2021,30(04):73-78.[doi:10.19680/j.cnki.1004-4388.2021.04.013]
　GU Yonghong,LYU Yang,WANG Wenxiong,et al.Optimization of fracture location for staged fracturing of horizontal wells in low permeability sandstone gas reservoirs[J].Well Testing,2021,30(04):73-78.[doi:10.19680/j.cnki.1004-4388.2021.04.013]
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 低渗砂岩气藏水平井分段压裂裂缝位置优选()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年04期
页码:
73-78
栏目:
出版日期:
2021-08-25

文章信息/Info

Title:
Optimization of fracture location for staged fracturing of horizontal wells in low permeability sandstone gas reservoirs
文章编号:
1004-4388(2021)04-0073-06
作者:
 古永红1; 2; 吕杨3; 王文雄1; 2; 叶亮1; 2; 丁帅伟4; 于红岩4
 1.中国石油长庆油田分公司油气工艺研究院 陕西西安 710018
2.低渗透油气田勘探开发国家工程实验室 陕西西安 710018
3.中国石油长庆油田分公司第五采气厂 陕西榆林 718615
4.西北大学大陆动力学国家重点实验室·西北大学地质学系 陕西西安 710069
Author(s):
 GU Yonghong1; 2; LYU Yang3; WANG Wenxiong1; 2; YE Liang1; 2; DING Shuaiwei4; YU Hongyan4
 1.Research Institute of Oil and Gas Technology, PetroChina Changqing Oilfield Company, Xi′an, Shaanxi 710018, China
2.National Engineering Laboratory for Exploration and Development of LowPermeability Oil & Gas Fields, Xi′an, Shaanxi 710018, China
3.No. 5 Gas Production Plant, PetroChina Changqing Oilfield Company, Yulin, Shaanxi 718615, China
4.State Key Laboratory for Continental Dynamics/Department of Geology, Northwest University, Xi′an, Shaanxi 710069, China
关键词:
 ; 低渗砂岩气藏;  水平井;  分段压裂;  生产潜力;  响应面;  绝对无阻流量;  压裂设计;  参数优化
Keywords:
 ; low permeability sandstone gas reservoirs;  horizontal wells;  staged fracturing;  production potential;  response surface;  absolute open flow;  fracturing design;  parameter optimization
分类号:
TE377
DOI:
10.19680/j.cnki.1004-4388.2021.04.013
文献标志码:
B
摘要:
为提高低渗砂岩气藏水平井分段压裂效果，考虑气藏水平井压裂位置优选和裂缝参数多因素间的干扰，提出水平井分段压裂裂缝位置优选流程，水平井段裂缝位置的优选采用基于网格数据的优势生产潜力，而裂缝参数的优化则利用响应面多因素试验设计。通过X气藏A水平井实例应用，明确该井的优势生产潜力位于水平井根部和趾部，在压裂裂缝条数固定的情况下，建议A水平井在根部和趾部多补缝，中间少补缝。同时，在考虑裂缝位置优选和多目标参数优化的情况下，设计了14段33簇的压裂段数。模拟结果表明，定产绝对无阻流量为25620×104 m3，比现场实际试气结果23033×104 m3高2587×104 m3。研究结果为低渗砂岩气藏水平井分段压裂设计提供了一种新的优化思路。
Abstract:
 In order to improve the staged fracturing effect of horizontal wells in lowpermeability sandstone gas reservoirs, considering the optimization of fracturing location of horizontal wells and the interference among fracture parameters, the optimization process of staged fracturing fracture location of horizontal wells is proposed. Specifically, the determination of fracture location is based on the dominant production potential of grid data, and the optimization of fracture parameters is based on multi factor experimental design of response surface. Through the application of a horizontal well in X gas reservoir, it is clear that the dominant production potential area of this well is located at the root and toe of the well. Therefore, when fixed numbers of fractures, it is suggested to initiate more fractures at the root and toe of horizontal well A and less fractures in the middle. At the same time, considering the selection of fracture location and optimization of multiobjective parameters, fractures with 14 stages and 33 clusters was designed. The simulation results show that the absolute open flow is 25620×104 m3, which is 2587×104 m3 higher than the actual gas test result of 23033×104 m3. The research results provide a new optimization idea for the staged fracturing design of horizontal wells in lowpermeability sandstone gas reservoirs.

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备注/Memo

备注/Memo:
 2021-03-16收稿，2021-07-02修回,2021-07-06接受,2021-08-20网络版发表
陕西省自然科学基础研究计划“基于响应面理论和粒子群算法的致密油藏CO2吞吐数值模拟研究”（2021JQ-454）、国家自然科学基金“基于饱和度和不同尺度的湖相页岩力学响应机理研究”（41902145）
古永红，女，1976年出生，硕士，高级工程师，2003年毕业于西南石油大学矿场普查与勘探专业，主要从事天然气压裂增产工作。电话：029-86590776；Email：gyhong_cq@petrochina.com.cn。通信地址：陕西省西安市未央区明光路长庆油田分公司油气工艺研究院，邮政编码：710018。
更新日期/Last Update: 2021-09-14