[1]于秋来.分簇射孔安全释放技术[J].油气井测试,2020,29(06):22-26.[doi:10.19680/j.cnki.1004-4388.2020.06.004]
　YU Qiulai.Safety release technology of cluster perforation[J].Well Testing,2020,29(06):22-26.[doi:10.19680/j.cnki.1004-4388.2020.06.004]
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分簇射孔安全释放技术()
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《油气井测试》[ISSN:1006-6977/CN:61-1281/TN]

卷:
29卷
期数:
2020年06期
页码:
22-26
栏目:
出版日期:
2020-12-25

文章信息/Info

Title:
Safety release technology of cluster perforation
文章编号:
1004-4388(2020)06-0022-05
作者:
 于秋来
 中国石油大庆油田有限责任公司试油试采分公司 黑龙江大庆 163412
Author(s):
YU Qiulai
 Testing Branch of PetroChina Daqing Oilfield Co. Ltd., Daqing, Heilongjiang 163412, China
关键词:
 ; 分簇射孔; 桥塞; 遇卡; 电控熔断; 释放装置; 井控; 电缆
Keywords:
 ; Cluster perforation;  bridge plug;  stuck;  electrically controlled fusing;  release device;  well control;  cable
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2020.06.004
文献标志码:
B
摘要:
 分簇射孔与桥塞联作施工中，常因井筒内砂卡、套变、桥塞未脱手等原因导致射孔枪串卡井，采取上提解卡措施，易发生拉断电缆事故。分簇射孔安全释放技术利用电控热熔原理，实现电缆与枪串的可靠、可控脱手。当射孔枪串遇卡，以一定上提力反复解卡无效时，通过地面电源给安全释放装置供电，60 s后保护器熔断，锁紧钩从上壳体中抽出，电缆带动鱼雷筒、鱼雷、连接杆及锁紧钩从打捞头中整体抽出。后续只需用油管下入Φ73 mm捞筒一次打捞出射孔枪串。该技术可减少事故处理周期和费用，降低井控风险。
Abstract:
In the combined operation of cluster perforation and bridge plug, the perforation gun string is often stuck due to sand jam, casing damage and bridge plug not being released. Taking the unstucking measures with lifting the cable, it is easy to break the cable. The safe release technology of cluster perforation uses the principle of electric control and hot melting to realize the reliable and controllable release of cable and gun string. When the perforating gun string is stuck, and it is invalid to release the stuck repeatedly with a certain lifting force, the ground power supply is used to supply power to the safety release device. After 60 s, the protector is blown, the locking hook is pulled out from the upper shell, and the cable drives the torpedo barrel, torpedo, connecting rod and locking hook out of the fishing head. Later, only the tubing is needed to run into the fishing barrel with a diameter of 73 mm, and the perforating gun string can be fished out at one time. This technology can reduce accident treatment cycle and cost as well as well control risk.

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备注/Memo

备注/Memo:
 2020-07-27收稿，2020-11-01修回,2020-11-07接受,2020-12-20 网络版发表
中国石油天然气股份有限公司重大科技专项“大庆油气持续有效发展关键技术研究与应用”课题10“难采储量有效动用技术研究与试验”（2016E-10）
于秋来，男，1985年出生，高级工程师，2008年毕业于大庆石油学院石油工程专业，主要从事射孔完井技术方面的科研攻关和方案设计等工作。电话：0459-5684872，13836957569；Email：yuqiulai@petrochina.com.cn。通信地址：黑龙江省大庆市让胡路区乘南十八街试油试采分公司，邮政编码：163412。
更新日期/Last Update: 2021-01-07