1.中国石油西南油气田分公司页岩气研究院
2.西南石油大学机电工程学院
3.中国石油集团工程材料研究院有限公司
曾波,高级工程师,生于1982年,2015年毕业于西南石油大学石油与天然气工程专业,现从事储层改造工艺研究与现场应用工作。地址:(610017)四川省成都市。email:zeng_bo@petrochina.com.cn。
方潘,博士,副教授。email:ckfangpan@126.com
收稿:2024-09-07,
修回:2025-06-28,
纸质出版:2025-10-10
移动端阅览
曾波,李睿,沈骋,等.深层页岩气水平井套管下入安全评价方法研究[J].石油机械,2025,53(10):40-47.
Zeng Bo,Li Rui,Shen Cheng,et al.Safety evaluation method for casing running in deep shale gas horizontal wells[J].China Petroleum Machinery,2025,53(10):40-47.
曾波,李睿,沈骋,等.深层页岩气水平井套管下入安全评价方法研究[J].石油机械,2025,53(10):40-47. DOI: 10.12473/CPM.202409047.
Zeng Bo,Li Rui,Shen Cheng,et al.Safety evaluation method for casing running in deep shale gas horizontal wells[J].China Petroleum Machinery,2025,53(10):40-47. DOI: 10.12473/CPM.202409047.
为了明确深层页岩气井套管下入过程中的通过性、未压先变等问题,采用梁柱微元法理论建立了套管下入弯曲井眼轨迹力学模型,利用微分方法确定了套管自由下入允许环空间隙、强制下入极限弯曲角、下入安全强度和下入阻力的计算方法。以川南某深层页岩气水平井为例,验证了套管下入深层页岩气水平井安全评价方法。研究结果表明:在增斜绕障段和增斜入靶段,套管自由下入最小允许环空间隙均大于实际环空间隙,需强制下入弯曲井眼段;套管弯曲应力不得超过管材屈服极限,否则可能诱发套管未压先变;套管下入阻力随着井斜角的增大呈现出交替升降的趋势。研究成果可为深层页岩气水平井套管下入的安全评价提供思路。
To address issues such as passability and pre-fracturing casing deformation during casing running operation in deep shale gas wells, the beam-column infinitesimal method was used to build a mechanical model for trajectory of casing running in crooked hole. The differential method was used to determine the calculation methods of allowable annular clearance of casing free running, critical bending angle of forced running, safety strength of running and running resistance. Finally, taking a deep shale gas horizontal well in southern Sichuan Basin as an example, the safety evaluation method for casing running in deep shale gas horizontal wells was verified. The research results show that the minimum allowable annular clearance of casing free running is greater than the actual annular clearance in the build-up bypassing obstacle section and the build-up entering target section, and it is necessary to force the casing to run into the crooked hole section. The bending stress of the casing shall not exceed the yield limit of the pipe; otherwise, it may induce deformation of casing before fracturing. The casing running resistance presents a trend of alternating rise and fall with the increase of deviation angle. The research results provide ideas for the safety evaluation of casing running in deep shale gas horizontal wells.
邵剑平 . 水平井漂浮下套管技术研究与应用 [J]. 中国石油和化工标准与质量 , 2024 , 44 ( 3 ): 190 - 192 .
SHAO J P . Research and application of casing floating technology in horizontal wells [J]. China Petroleum and Chemical Standard and Quality , 2024 , 44 ( 3 ): 190 - 192 .
LUBINSKI A , ALTHOUSE W S . Helical buckling of tubing sealed in packers [J]. Journal of Petroleum Technology , 1962 , 14 ( 6 ): 655 - 670 .
MITCHELL R F . Buckling behavior of well tubing: the packer effect [J]. Society of Petroleum Engineers Journal , 1982 , 22 ( 5 ): 616 - 624 .
张强 , 蒋豹 , 崔巍 , 等 . 悬挂管柱正弦向螺旋屈曲转变时的临界载荷研究 [J]. 振动与冲击 , 2019 , 38 ( 7 ): 105 - 111 .
ZHANG Q , JIANG B , CUI W , et al . Critical load of a suspended tubular string from sinusoidal buckling to helical one [J]. Journal of Vibration and Shock , 2019 , 38 ( 7 ): 105 - 111 .
郑鑫 , 周杨飞 . 套管下入过程中最大井眼曲率计算方法研究 [J]. 工程研究——跨学科视野中的工程 , 2017 , 9 ( 5 ): 460 - 464 .
ZHENG X , ZHOU Y F . The study of maximum hole curvature based on casing tripability [J]. Journal of Engineering Studies , 2017 , 9 ( 5 ): 460 - 464 .
黄根炉 , 李伟 , 倪红坚 , 等 . 提拉-释放法套管下入机理 [J]. 中国石油大学学报(自然科学版) , 2017 , 41 ( 4 ): 85 - 90 .
HUANG G L , LI W , NI H J , et al . Mechanism analysis of pull⁃up and quick release technique during casing running process [J]. Journal of China University of Petroleum (Edition of Natural Science) , 2017 , 41 ( 4 ): 85 - 90 .
王昊 , 张辉 , 史玉才 . 波状水平段管柱屈曲特性试验研究 [J]. 长江大学学报(自科版) , 2018 , 15 ( 19 ): 42 - 47 .
WANG H , ZHANG H , SHI Y C . Experimental study on buckling characteristics of string in wavy horizontal section [J]. Journal of Yangtze University (Natural Science Edition) , 2018 , 15 ( 19 ): 42 - 47 .
林铁军 , 练章华 , 刘健 , 等 . 连续油管正弦屈曲载荷新公式及有限元模拟 [J]. 石油机械 , 2007 , 35 ( 9 ): 32 - 34 .
LIN T J , LIAN Z H , LIU J , et al . New formula for sine flexure load of coiled tubing [J]. China Petroleum Machinery , 2007 , 35 ( 9 ): 32 - 34 .
牟易升 , 王峰 , 李睿 , 等 . 深层页岩气井表层与技术套管柱优化设计研究 [J]. 石油管材与仪器 , 2024 , 10 ( 4 ): 1 - 7,23 .
MOU Y S , WANG F , LI R , et al . Optimization of surface and intermediate casing string in deep shale gas wells [J]. Petroleum Tubular Goods & Instruments , 2024 , 10 ( 4 ): 1 - 7, 23 .
李文哲 , 文乾彬 , 肖新宇 , 等 . 页岩气长水平井套管安全下入风险评估技术 [J]. 天然气工业 , 2020 , 40 ( 9 ): 97 - 104 .
LI W Z , WEN Q B , XIAO X Y , et al . Risk evaluation technology for safe casing running in long horizontal shale gas wells [J]. Natural Gas Industry , 2020 , 40 ( 9 ): 97 - 104 .
张新亮 , 金磊 , 张瑞 , 等 . 中深层水平井双漂浮下套管关键技术 [J]. 石油钻探技术 , 2023 , 51 ( 6 ): 57 - 63 .
ZHANG X L , JIN L , ZHANG R , et al . Key technologies for casing running with double floating collars in middle and deep horizontal wells [J]. Petroleum Drilling Techniques , 2023 , 51 ( 6 ): 57 - 63 .
焦亚军 , 陈安环 , 何方雨 , 等 . 漂浮下套管技术在浅层页岩气水平井中的应用及优化 [J]. 天然气工业 , 2021 , 41 ( 增刊1 ): 177 - 181 .
JIAO Y J , CHEN A H , HE F Y , et al . Application and optimization of floating casing running technology in shallow shale gas horizontal wells [J]. Natural Gas Industry , 2021 , 41 ( Sup.1 ): 177 - 181 .
陈烨 , 郑有成 , 曾波 , 等 . 考虑颗粒随机分布特征的水平井环空岩屑起动流速 [J]. 天然气工业 , 2022 , 42 ( 10 ): 107 - 114 .
CHEN Y , ZHENG Y C , ZENG B , et al . Incipient flow rate of cuttings in horizontal well annulus considering random distribution characteristics of particles [J]. Natural Gas Industry , 2022 , 42 ( 10 ): 107 - 114 .
0
浏览量
35
下载量
0
CSCD
关联资源
相关文章
相关作者
相关机构
京公网安备11010802024621