[1]马金良,王方祥,王颖,等.油管防溢通井规的研制[J].油气井测试,2020,29(06):27-31.[doi:10.19680/j.cnki.1004-4388.2020.06.005]
　MA Jinliang,WANG Fangxiang,WANG Ying,et al.Development of an overflowproof drift size gauge tool[J].Well Testing,2020,29(06):27-31.[doi:10.19680/j.cnki.1004-4388.2020.06.005]
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油管防溢通井规的研制()
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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:
27-31
栏目:
出版日期:
2020-12-25

文章信息/Info

Title:
Development of an overflowproof drift size gauge tool
文章编号:
1004-4388(2020)06-0027-05
作者:
马金良; 王方祥; 王颖; 呼桂艳; 范旭
中国石油集团渤海钻探工程有限公司井下技术服务分公司 天津 300283
Author(s):
 MA Jinliang;  WANG Fangxiang;  WANG Ying;  HU Guiyan;  FAN Xu
Downhole Technical Service Company, CNPC Bohai Drilling Engineering Co., Ltd., Tianjin 300283, China
关键词:
 ; 试油; 通井规; 油管防溢; 阻流系统; 激动压力; 弹簧弹力; 磨阻
Keywords:
production test;  well gauge;  oil pipe anti overflow;  choking system;  exciting pressure;  spring force;  friction resistance
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2020.06.005
文献标志码:
B
摘要:
 为解决常规通井规通井时油管液体外溢问题，研制了油管防溢通井规。通过阻流系统的自动开启和关闭，改变管柱的流道结构。利用流体力学方法，计算了阻流孔的直径及下钻时激动压力产生的阻力，推荐了弹簧的最大弹力。当阻流孔直径选用1432 mm，以13 m/s速度通井时，油管不会返液；以02 m/s速度通井时，阻流系统能在激动压力作用下关闭；管柱静止后，25 N的弹簧弹力将阻流系统开启。现场8口井试验说明，通井时阻流系统工作正常，油管无井液溢出。油管防溢通井规的应用提高了通井时作业效率，减少了对环境的污染。
Abstract:
Overflow often occurs when drifting with a conventional drifting size gauge tool. A new drifting size gauge tool has been developed. It is equipped with a choking system to control the flowing channel of the tubing string by automatically opening and closing of the choke. Following fluid mechanics, first we calculated the diameter of the choke and the resistance caused by the exciting pressure during drilling, then we got the maximum spring force. It′s found that when the diameter of the choke was 1432 mm, overflow would not appear when drifting at 13 m/s; when drifting at 02 m/s, the choke system would be closed at exciting pressure; and after the tubing string was at rest, a 25 N spring force would open the choke system. Field application in 8 wells has proved that the choking system can work normally without overflow. The overflowproof drifting size gauge tool is effective to support drifting operation and reduces environmental pollution.

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备注/Memo

备注/Memo:
2020-04-01收稿，2020-10-25修回,2020-11-02接受,2020-12-20 网络版发表
中国石油集团渤海钻探工程有限公司井下技术服务分公司技术研发项目“新型通井规的研制与现场试验”（2019JXJF-11）
马金良，男，1978年出生，高级工程师，2002年毕业于江汉石油学院石油工程专业，现从事油气田开发方面的技术服务和相关技术研究工作。电话：022-25934595，15302132113；Email：mjl2000_ren@163.com。通信地址：天津市滨海新区港西大道640号井下技术服务分公司，邮政编码：300283。
更新日期/Last Update: 2021-01-07