[1]张 毅,于丽敏,任勇强,等.一种新型可降解压裂封隔器坐封球[J].油气井测试,2018,27(02):53-58.[doi:10.19680/j.cnki.1004-4388.2018.02.009]
　ZHANG Yi,YU Limin,REN Yongqiang,et al.A new type of degradable setting ball for fracturing packers[J].Well Testing,2018,27(02):53-58.[doi:10.19680/j.cnki.1004-4388.2018.02.009]
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一种新型可降解压裂封隔器坐封球()
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《油气井测试》[ISSN:1006-6977/CN:61-1281/TN]

卷:
27
期数:
2018年02期
页码:
53-58
栏目:
出版日期:
2018-04-25

文章信息/Info

Title:
A new type of degradable setting ball for fracturing packers
文章编号:
1004-4388(2018)02-0053-06
作者:
张  毅1;  于丽敏2;  任勇强1; 杨  东1;  张  宇3;  冯  丹3
1. 中国石油集团渤海钻探工程有限公司井下作业分公司  河北任丘  062552
2. 中国石油华北油田科技信息处  河北任丘  062552
3. 中国石油集团渤海钻探工程有限公司工程技术研究院  河北任丘  062552
Author(s):
 ZHANG Yi1;  YU Limin2;  REN Yongqiang1;  YANG Dong1;  ZHANG Yu3;  FENG Dan3
1. Downhole Operation Company of CNPC Bohai Drilling Engineering Company, Renqiu,Hebei 062552,China
2. Science and Technology Information Division of PetroChina Huabei Oilfield Company, Renqiu,Hebei 062552,China
3. Engineering Technology Research Institute of CNPC Bohai Drilling Engineering Company,Renqiu,Hebei 062552,China
关键词:
 ; 可降解材料; 井下工具; 镁铝合金; 纳米复合; 坐封球; 应用方向
Keywords:
 ; degradable material;  downhole tool;  Mg-Al alloy;  nanocomposite;  setting ball;  application direction
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2018.02.009
文献标志码:
B
摘要:
 在压裂管柱中使用液压类封隔器坐封时需要投入坐封球，管柱内打压推动液压封隔器内部活塞运动完成坐封，坐封球通过封隔器底部的球篮回收，但压裂后测井温、测压力恢复时工具无法下入。通过对目前各类可降解材料进行优化、选材，再经过金相、力学等实验验证，制作了一种针对Y531型封隔器使用的新型可降解压裂封隔器坐封球，并在安105-1X井以及宁50-135X井进行现场试验，压裂结束后取出Y531型封隔器，封隔器完好，未见压裂坐封球，说明其已溶解，证明了可降解材料可以满足压裂坐封要求，为进一步应用可降解材料制作射孔枪、桥塞、封隔器、压裂滑套等其它井下工具提供了发展方向。
Abstract:
 A setting ball is required to set a hydraulic packer in a fracturing string, by pressuring the string to push the piston inside the hydraulic packer, and then retrieved by the ball basket at the bottom of the packer. However, the use of the ball basket can cause tools for logging temperature and pressure recovery, etc. to fail to run in after fracturing. Based on optimization and selection of various types of degradable materials, and metallographic and mechanical experiments, a new type of degradable setting ball for Y531 packers has been developed. Field tests were performed in Wells 105-1X and 50-135X, and the result shows that the Y531 packers are intact, but no balls were found after fracturing, indicating the balls downhole were degraded and the degradable material is effective to the fracturing packer. The successful setting ball enlightens the application direction of biodegradable materials to perforating gun, bridge plug, packer, fracturing sleeve and other downhole tools.

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更新日期/Last Update: 2018-06-21