[1]程嘉瑞,王忠政,张文哲,等.深井测试绳缆受力分析及工具串配重规律研究[J].测井技术,2022,46(02):210-215.[doi:10.16489/j.issn.1004-1338.2022.02.014]
 CHENG Jiarui,WANG Zhongzheng,ZHANG Wenzhe,et al.Force Analysis of Deep Well Logging Cable and Research on Tool Counterweight Law[J].WELL LOGGING TECHNOLOGY,2022,46(02):210-215.[doi:10.16489/j.issn.1004-1338.2022.02.014]
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深井测试绳缆受力分析及工具串配重规律研究()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第46卷
期数:
2022年02期
页码:
210-215
栏目:
施工工艺
出版日期:
2022-05-01

文章信息/Info

Title:
Force Analysis of Deep Well Logging Cable and Research on Tool Counterweight Law
文章编号:
1004-1338(2022)02-0210-06
作者:
程嘉瑞1 王忠政1 张文哲2 崔璐1 窦益华1
(1.西安石油大学,西安市油气井完整性评价重点实验室, 陕西 西安 710065; 2.中国石油西部钻探工程有限公司试油公司, 新疆 克拉玛依 834000)
Author(s):
CHENG Jiarui1 WANG Zhongzheng1 ZHANG Wenzhe2 CUI Lu1 DOU Yihua1
(1. Xi’an Key Laboratory of Wellbore Integrity Evaluation, Xi’an Shiyou University, Xi’an, Shaanxi 710065, China; 2. Well Testing Company, CNPC Xibu Drilling Engineering Company Limited, Karamay, Xinjiang 834000, China)
关键词:
绳缆测试 测试工具串 深井 力学分析
Keywords:
wireline logging logging tool string deep well mechanical analysis
分类号:
TE932
DOI:
10.16489/j.issn.1004-1338.2022.02.014
文献标志码:
A
摘要:
深井和高难度复杂井投产前,需要进行试油测试,获取井下数据以指导后续生产。为适应深井的高温高压环境,通常采用绳缆悬挂测试技术进行试油测试施工。对深井测试作业过程中绳缆及工具串受力情况进行分析,建立绳缆受力模型。针对测试工具串入井、起出工况,考虑油管混合介质过流摩擦阻力,计算工具串所受的上顶力。结合绞盘盘根摩擦阻力和入井管壁摩擦力计算结果,得到工具串入井所需配重的计算方法,建立安全施工绳缆临界拉力计算模型。通过实例计算,分析井口压力变化时井下绳缆和工具串受力变化规律,讨论影响绳缆受力的主要因素,计算不同井口压力下工具串所需的配重。该方法的建立,为绳缆悬挂测试施工参数的选取,安全性评价提供参考。
Abstract:
Prior to the production of deep wells and highly difficult and complex wells, oil testing is required to obtain downhole data to guide subsequent production. In order to adapt to the high temprature and high pressure environment in deep wells rope and cable suspension testing technology is usually used for tool testing construction. In this paper, we analyze the force on the rope and tool during deep well testing operation and establish a rope and cable force model. For the test tool string into the well, lifting out of the working conditions, considering the mixed media in the tube overflow friction, the upper top force of the tool string is calculated. Combined with the calculation results of dynamic sealing disc friction at the wellhead and friction force at the pipe wall, the calculation method of the required counterweight of the tool string into the well is obtained. At the same time, a model for calculating the critical tension of the safety construction rope was established. Through the calculation of the well case, we analyzed the change law of force on the downhole rope and tool string when the wellhead pressure changes. The main factors affecting the force of the rope and cable are discussed, and the required counterweight of the tool string under different wellhead pressure is calculated. The method is established to provide a reference for the selection of construction parameters for rope and cable suspension testing and safety evaluation.

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备注/Memo

备注/Memo:
基金项目: 国家自然基金“壁面抗冲刷腐蚀磁性交联微粒层的自修复机理”(52105209)
第一作者: 程嘉瑞,男,1988年生,博士,讲师。从事多相流管壁冲刷腐蚀损伤、管道流固耦合振动规律研究。E-mail:cjr88112@163.com
通信作者: 窦益华,男,1964年生,博士,教授。从事高温高压油气井完井及管柱安全评价研究。E-mail:yhdou@vip.sina.com
更新日期/Last Update: 1900-01-01