碳酸盐岩油藏高温超深井高导流自支撑酸化压裂技术

doi:10.3969/j.issn.1006-6535.2022.03.021

特种油气藏 ›› 2022, Vol. 29 ›› Issue (3): 144-149.DOI: 10.3969/j.issn.1006-6535.2022.03.021

碳酸盐岩油藏高温超深井高导流自支撑酸化压裂技术

周林波^1,2, 刘红磊^1,2, 李丹³, 张俊江⁴, 周珺^1,2

1.页岩油气富集机理与有效开发国家重点实验室,北京 102206;
2.中国石化石油工程技术研究院,北京 102206;
3.中国石油长庆油田分公司,陕西榆林 719000;
4.中国石化西北油田分公司,新疆乌鲁木齐 830011

收稿日期:2021-05-31 修回日期:2022-03-07 出版日期:2022-06-25 发布日期:2023-01-09
作者简介:周林波(1986—),男,副研究员,2007年毕业于中国石油大学(华东)石油工程专业,2010年毕业于中国石油大学(北京)油气田开发工程专业,获硕士学位,现从事储层改造和深层地热开发方面的研究工作。
基金资助:
国家科技重大专项“超深井碳酸盐岩储层改造及测试关键技术”(2017ZX05005-005-004)

Acid Fracturing Technology for High-conductivity Unpropped Fractures in Ultra-deep Wells with High Temperature in Carbonate Reservoirs

Zhou Linbo^1,2, Liu Honglei^1,2, Li Dan³, Zhang Junjiang⁴, Zhou Jun^1,2

1. State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing 102206, China;
2. Sinopec Research Institute of Petroleum Engineering, Beijing 102206, China;
3. PetroChina Changqing Oilfield Company, Yulin, Shaanxi 719000, China;
4. SINOPEC Northwest Oil Field Company, Urumqi, Xinjiang 830011, China

Received:2021-05-31 Revised:2022-03-07 Online:2022-06-25 Published:2023-01-09

摘要/Abstract

摘要： 针对超深井酸化压裂改造形成的酸蚀裂缝易闭合、导流能力衰减快的问题,合成了新型酸化压裂屏蔽保护剂,并对其自聚性、油溶性、黏附性等关键指标进行了评价。该技术通过对水力裂缝表面非连续的、暂时性屏蔽,阻断酸岩反应,实现酸蚀裂缝由点支撑向面状支撑转变,裂缝有效支撑高度可提高3倍。采用CFD软件模拟优化了屏蔽保护剂颗粒在裂缝中的分布形态,确定了屏蔽保护剂用量、注入排量、携带液种类等工艺参数。该技术在塔河油田高温超深井进行了应用,压裂后效果表明,屏蔽剂在地层温度下黏附性、油溶性达到设计要求,自支撑裂缝的导流能力和有效期明显延长。该技术对提高超深井酸化压裂效果具有重要意义。

关键词: 酸蚀裂缝, 屏蔽保护剂, 导流能力, 超深井, 自支撑

Abstract: In response to the problems of easy closure of acid-etched fractures and rapid attenuation of conductivity caused by acid fracturing in ultra-deep wells, a new acid-fracturing shielding protectant was synthesized and evaluated for its key indicators such as self-agglomeration, oil solubility and adhesion. This technology blocks the acid-rock reaction by discontinuously and temporarily shielding the surface of the hydraulic fracture, and realizes the transformation of acid-etched fractures from point support to surface support, and the effective support height of the fracture can be increased by 3 times. CFD software simulation was used to optimize the distribution pattern of shielding protective agent particles in the fractures and to determine the process parameters such as shielding protective agent dosage, injection and displacement rates, and carrier fluid type. The technology was applied to ultra-deep wells with high temperature in Tahe Oilfield. The results after fracturing showed that the adhesion and oil solubility of shielding agent at formation temperature met the design requirements, and the conductivity and service life of unpropped fractures were significantly prolonged. This technology plays an important role in the improvement of acid fracturing effect in ultra-deep wells.

Key words: acid-etched fractures, shielding and protective agent, conductivity, ultra-deep wells, self-supporting

中图分类号:

TE355.5

周林波, 刘红磊, 李丹, 张俊江, 周珺. 碳酸盐岩油藏高温超深井高导流自支撑酸化压裂技术[J]. 特种油气藏, 2022, 29(3): 144-149.

Zhou Linbo, Liu Honglei, Li Dan, Zhang Junjiang, Zhou Jun. Acid Fracturing Technology for High-conductivity Unpropped Fractures in Ultra-deep Wells with High Temperature in Carbonate Reservoirs[J]. Special Oil & Gas Reservoirs, 2022, 29(3): 144-149.

参考文献

[1] 米尔卡 J 埃克诺米德斯,肯尼斯 G 诺尔特.油藏增产措施[M].3版.张保平,蒋阗,刘立云,等译.北京:石油工业出版社,2002:402-403.
ECONOMIDES M J,NOLTE K G.Reservoir Stimulation[M].3rd ed.Translated by ZHANG Baoping,JIANG Tian,LIU Liyun,et al.Beijing:Petroleum Industry Press,2002:402-403.
[2] 丁云宏.难动用储量开发压裂酸化技术[M].北京:石油工业出版社,2005:97-98.
DING Yunhong.Fracturing and acidizing technology for the development of difficult-to-use reserves[M].Beijing:Petroleum Industry Press,2005:97-98.
[3] 龚蔚.深层裂缝型碳酸盐岩油藏水平井水力喷射酸压技术[J].断块油气田,2020,27(6):808-811.
GONG Wei.Hydrajet acid fracturing technique of horizontal well in deep fractured carbonate reservoir[J].Fault-Block Oil & Gas Field,2020,27(6):808-811.
[4] KALFAYAN L J.Fracture acidizing:history,present state and future[C].SPE106371,2007:1-7.
[5] 刘学伟.页岩储层水力压裂支撑裂缝导流能力影响因素[J].断块油气田,2020,27(3):394-398.
LIU Xuewei.Influencing factors of hydraulic propped fracture conductivity in shale reservoir[J].Fault-Block Oil & Gas Field,2020,27(3):394-398.
[6] 周林波,宋志峰,张俊江,等.MX井深层白云岩储层非均匀酸化压裂技术[J].特种油气藏,2017,24(6):161-164.
ZHOU Linbo,SONG Zhifeng,ZHANG Junjiang,et al.Non-uniform acid fracturing technology for deep dolomite reservoir in Well MX[J].Special Oil & Gas Reservoirs,2017,24(6):161-164.
[7] 梁天成,才博,蒙传幼,等.水力压裂支撑剂性能对导流能力的影响[J].断块油气田,2021,(3):403-407.
LIANG Tiancheng,CAI Bo,MENG Chuanyou,et al.The effect of proppant performance of hydraulic fracturing on conductivity[J].Fault-Block Oil & Gas Field,2021,(3):403-407.
[8] 车明光,袁学芳,范润强,等.酸蚀裂缝导流能力实验与酸压工艺技术优化[J].特种油气藏,2014,21(3):120-124.
CHE Mingguang,YUAN Xuefang,FAN Runqiang,et al.Test of acid etched fracture conductivity and optimization of acid fracturing[J].Special Oil & Gas Reservoirs,2014,21(3):120-124.
[9] 牟建业,张士诚.酸压裂缝导流能力影响因素分析[J].油气地质与采收率,2011,18(2):69-71.
MU Jianye,ZHANG Shicheng.Influence factor analysis on acid pressure rips diversion capacity[J].Petroleum Geology and Recovery Efficiency,2011,18(2):69-71.
[10] 姚茂堂,牟建业,李栋,等.高温高压碳酸盐岩地层酸蚀裂缝长期导流能力实验研究[J].科学技术与工程,2015,15(2):193-195.
YAO Maotang,MU Jianye,LI Dong,et al.An experimental study of fracture long-term conductivity in high temperature and pressure carbonate formation[J].Science Technology and Engineering,2015,15(2):193-195.
[11] 周林波. 高导流自支撑酸化压裂室内实验研究[J].特种油气藏,2017,24(4):152-155.
ZHOU Linbo.Laboratory experimental research on high conductivity self-supporting acid fracturing[J].Special Oil & Gas Reservoirs,2017,24(4):152-155.
[12] 中国国家标准化管理委员会.沥青软化点测定法环球法:GB/T 4507—2014[S].北京:中国标准出版社,2014:1-6.
Standardization Administration of the P.R.C.Standard test method for softening point of bitumen-ring-and-ball apparatus:GB/T 4507—2014[S].Beijing:Standards Press of China,2014:1-6.
[13] 钱战森,张劲柏,李椿萱.基于预处理的不可压缩N-S方程拟压缩数值算法研究[J].中国科学:物理学、力学、天文学,2010,40(12):1542-1554.
QIAN Zhansen,ZHANG Jinbai,LI Chunxuan.Study on numerical algorithm of quasi-compression of incompressible n-s equation based on preprocessing[J].Scientia Sinica Physica,Mechanica & Astronomica,2010,40(12):1542-1554.
[14] 刘建坤,吴峙颖,吴春方,等.压裂液悬砂及支撑剂沉降机理实验研究[J].钻井液与完井液,2019,36(3):378-383.
LIU Jiankun,WU Zhiying,WU Chunfang,et al.Experiment study on the mechanisms of sand suspension and settling of proppant in fracturing fluids[J].Drilling Fluid & Completion Fluid,2019,36(3):378-383.
[15] 王兴文,郭建春,赵金洲,等.碳酸盐岩储层酸化(酸压)技术与理论研究[J].特种油气藏,2004,11(4):67-69.
WANG Xingwen,GUO Jianchun,ZHAO Jinzhou,et al.Acidizing (acid fracturing) technique and theoretical study for carbonate reservoir[J].Special Oil & Gas Reservoirs,2004,11(4):67-69.
[16] 伊向艺.碳酸盐岩储层交联酸酸压技术研究与应用[D].成都:成都理工大学,2006:55-62.
YI Xiangyi.Research and application of acid fracturing technology of crosslinked acid fluid on carbonate reservoirs[D].Chengdu:Chengdu University of Technology,2006:55-62.
[17] 张波,薛承瑾,周林波,等.多级酸压在超深裂缝型碳酸盐岩水平井的应用[J].新疆石油地质,2013,34(2):232-235.
ZHANG Bo,XUE Chengjin,ZHOU Linbo,et al.Application of multistage acid fracturing technology for horizontal well to ultra-deep fractured carbonate reservoirs[J].Xinjiang Petroleum Geology,2013,34(2):232-235.
[18] JIANIERODE D E,KRUK K F.An evaluation of acid fluid loss additives retarded acids and acidized fracture conductivity[C].SPE4549,1973:1-7.

碳酸盐岩油藏高温超深井高导流自支撑酸化压裂技术

Acid Fracturing Technology for High-conductivity Unpropped Fractures in Ultra-deep Wells with High Temperature in Carbonate Reservoirs

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 15

编辑推荐

Metrics

本文评价

[1]	俞天喜, 王雷, 陈蓓蓓, 孙锡泽, 李圣祥, 朱振龙. 基于盐溶和蠕变作用的含盐储层裂缝导流能力变化规律研究与应用[J]. 特种油气藏, 2023, 30(6): 157-164.
[2]	孙永鹏, 王传熙, 戴彩丽, 魏利南, 陈超, 谢孟珂. 致密砂岩气藏自支撑裂缝损伤机理及导流能力研究[J]. 特种油气藏, 2023, 30(3): 81-87.
[3]	肖杭州. CL区块登娄库组致密砂岩气藏压裂液体系适应性评价[J]. 特种油气藏, 2023, 30(3): 143-147.
[4]	李小刚, 冉龙海, 杨兆中, 贺宇廷, 廖梓佳, 曹文艳. 超临界CO₂压裂裂缝特征研究现状与展望[J]. 特种油气藏, 2022, 29(2): 1-8.
[5]	张辉. 超深裂缝性碎屑岩储层天然裂缝激活研究[J]. 特种油气藏, 2021, 28(2): 133-138.
[6]	熊俊雅, 杨兆中, 杨磊, 贾敏, 李小刚. 压裂填砂裂缝导流能力评价方法研究现状及展望 [J]. 特种油气藏, 2020, 27(3): 1-7.
[7]	张倩, 李年银, 李长燕, 王永清, 赵立强. 中国海相碳酸盐岩储层酸化压裂改造技术现状及发展趋势 [J]. 特种油气藏, 2020, 27(2): 1-7.
[8]	章景城, 马立君, 刘勇, 文亮, 张绪亮, 严运康, 全健. 塔里木油田超深井超小井眼定向钻井技术研究与应用 [J]. 特种油气藏, 2020, 27(2): 164-168.
[9]	王明星, 吴亚红, 孙海洋, 陈盼盼, 贾旭楠. 酸液对酸蚀裂缝导流能力影响的研究 [J]. 特种油气藏, 2019, 26(5): 153-158.
[10]	周林波，刘红磊，解皓楠，王洋，李奎为. 超深碳酸盐岩水平井水力喷射定点深度酸化压裂技术[J]. 特种油气藏, 2019, 26(3): 158-.
[11]	郑子君，余成. 考虑基质和酸压缝应力敏感性的产能预测模型[J]. 特种油气藏, 2018, 25(4): 76-.
[12]	周林波，宋志峰，张俊江，周珺，董光盛. MX井深层白云岩储层非均匀酸化压裂技术[J]. 特种油气藏, 2017, 24(6): 161-164.
[13]	周林波. 高导流自支撑酸化压裂室内实验研究[J]. 特种油气藏, 2017, 24(4): 152-.
[14]	陆　程，刘　雄，程敏华，李　兵. 页岩气体积压裂水平井产能影响因素研究[J]. 特种油气藏, 2014, 21(4): 108-.
[15]	车明光，袁学芳，范润强，王海燕，朱绕云. 酸蚀裂缝导流能力实验与酸压工艺技术优化[J]. 特种油气藏, 2014, 21(3): 120-.