套管封隔器分段压裂管柱遇卡原因分析及解决方案

刘红磊; 陈作; 周林波; 秦红祥; 杨同玉; 薛占峰

doi:10.11911/syztjs.2021017

套管封隔器分段压裂管柱遇卡原因分析及解决方案

刘红磊^{1, 2,},
陈作^{1, 2},
周林波^{1, 2},
秦红祥^{1, 2},
杨同玉³,
薛占峰^{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.
中国石化华北油气分公司，河南郑州 450006

基金项目: 中国石化科技攻关项目“盐间页岩油增产工艺及试采技术研究”（编号：P19013-5）资助

详细信息

作者简介:
刘红磊（1976—），男，河北景县人，1999年毕业于石油大学（华东）石油工程专业，高级工程师，主要从事低渗透储层改造理论研究与现场技术服务工作。E-mail：sloflhl@163.com

中图分类号: TE357
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出版历程
- 收稿日期: 2020-08-17
- 修回日期: 2021-02-02
- 网络出版日期: 2021-03-10
- 刊出日期: 2021-04-08

The Analysis and Solution of Sticking in a Staged Horizontal Well Fracturing with a Casing Packer

LIU Honglei^{1, 2,},
CHEN Zuo^{1, 2},
ZHOU Linbo^{1, 2},
QIN Hongxiang^{1, 2},
YANG Tongyu³,
XUE Zhanfeng^{1, 2}

1.
State Key Laboratory of Shale Oil and Gas Enrichment Mechanism and Effective Development, Beijing, 102206, China
2.
Sinopec Research Institute of Petroleum Engineering, Beijing, 102206, China
3.
Sinopec North China Oil and Gas Company, Zhengzhou, Henan, 450006, China

摘要

摘要: 为了降低套管封隔器分段压裂的施工风险，解决压裂结束后套管封隔器分段压裂管柱上提易遇卡的问题，以某区块一口水平井的套管封隔器分段压裂为例，从压裂管柱上提时的载荷、上下活动距离和返排液性质等特征因素入手，详细分析了该井前3段压裂后压裂管柱上提遇卡的原因，并制定了解卡措施，压裂管柱顺利解卡。为防止后续6段压裂再出现压裂管柱上提遇卡的情况，对套管封隔器分段压裂管柱进行了优化，采用优化后的压裂管柱顺利完成了该井后续6段的压裂，且压裂管柱全部安全顺利起出。该井处理套管分段压裂管柱上提遇卡的方法和制定的措施及优化的压裂管柱，为今后类似问题的处理和压裂管柱的优选提供了借鉴。
- 水平井 /
- 分段压裂 /
- 封隔器 /
- 遇卡 /
- 解卡 /
- 压裂管柱
Abstract: The fracturing string of a casing packer may easily get stuck when being lifted back to the surface after a fracturing treatment. To decrease the potential risk in staged fracturing operation, this paper analyzed pipe sticking while lifting fracturing string after three stages of fracturing based on load, free space along borehole, flowback fluid properties, and other characteristic factors taking a staged hydraulic fracturing operation in a horizontal well of a field as an example, and established measures to smoothly release the stuck of fracturing string. In addition, the fracturing strings of the casing packer were optimized to prevent it from being stuck during the subsequent six stages of hydraulic fracturing. The optimized fracturing strings were successfully applied in the subsequent six stages with smooth and safe lifting of all the fracturing strings. The proposed measures and optimized fracturing string can provide a reference for the treatment of similar problems and the optimization of fracturing strings in the future.
- horizontal well /
- staged fracturing /
- packer /
- stuck /
- release stuck /
- fracturing string

HTML全文

图 1 X01井第1趟压裂管柱（压裂前3段）

Figure 1. The first-trip fracturing string (the first three sections) in Well X01

下载: 全尺寸图片幻灯片

图 2 X01井补压第2段的压裂管柱

Figure 2. The fracturing string in the second section of pressure compensation in Well X01

下载: 全尺寸图片幻灯片

图 3 封隔器胶筒有限元分析

Figure 3. Finite element analysis of packer rubber cylinder

下载: 全尺寸图片幻灯片

图 4 优化后的压裂管柱

Figure 4. Optimized fracturing string

下载: 全尺寸图片幻灯片

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