CN109869113B - 一种封隔式分级注水泥器 - Google Patents
一种封隔式分级注水泥器 Download PDFInfo
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CN109869114B (zh) * | 2017-12-01 | 2021-09-17 | 中石化石油工程技术服务有限公司 | 一种封隔式分级注水泥器及其作业方法 |
CN112443290A (zh) * | 2019-08-28 | 2021-03-05 | 中国石油化工股份有限公司 | 锚定封隔水泥面控制装置和包含其的固井管柱 |
CN110761740A (zh) * | 2019-11-11 | 2020-02-07 | 陕西固德石油工程有限公司 | 一种套管防堵短节装置 |
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SU631648A1 (ru) * | 1975-03-11 | 1978-11-05 | Всесоюзный научно-исследовательский институт по креплению скважин и буровым растворам | Способ цементировани скважин при поглощении жидкости |
US8726993B2 (en) * | 2010-05-27 | 2014-05-20 | Claude E Cooke, Jr. | Method and apparatus for maintaining pressure in well cementing during curing |
CN104358541A (zh) * | 2014-10-27 | 2015-02-18 | 中国石油天然气集团公司 | 分级注水泥器 |
CN105569604B (zh) * | 2016-01-21 | 2018-02-27 | 中国海洋石油总公司 | 套管环空封隔器 |
CN107327284A (zh) * | 2016-04-29 | 2017-11-07 | 扬州诚创石油机械有限公司 | 一种环空加压固井装置 |
CN106917599A (zh) * | 2017-04-27 | 2017-07-04 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | 一种可降解固井胶塞和分级固井装置及方法 |
CN107288572B (zh) * | 2017-07-18 | 2019-04-12 | 中国石油集团渤海钻探工程有限公司 | 盲板式循环封隔工具 |
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Inventor after: Yang Haibo Inventor after: Li Xufeng Inventor after: Wu Liugen Inventor after: Feng Dejie Inventor after: Hou Ting Inventor after: Li Guofeng Inventor after: Li Wei Inventor after: Wang Rui Inventor after: Qi Xin Inventor before: Yang Haibo Inventor before: Lu Zhiping Inventor before: Tao Jian Inventor before: Ma Decai Inventor before: Shao Ru Inventor before: Wu Liugen Inventor before: Feng Dejie Inventor before: Hou Ting Inventor before: Li Guofeng Inventor before: Li Wei Inventor before: Xiao Jingwei Inventor before: Cao Chengzhang Inventor before: Wang Shaoxian |
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Effective date of registration: 20230616 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: SINOPEC Group Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute |