大斜度井钢丝投捞式气举采油技术

doi:10.7623/syxb201405020

石油学报 ›› 2014, Vol. 35 ›› Issue (5): 979-986.DOI: 10.7623/syxb201405020

大斜度井钢丝投捞式气举采油技术

宋显民^1,2, 刘清友¹, 孙成林², 肖国华², 胡慧莉², 王金忠², 靳彦卿²

1. 西南石油大学机电工程学院四川成都 610500;
2. 中国石油冀东油田公司钻采工艺研究院河北唐山 063004

收稿日期:2014-03-24 修回日期:2014-06-29 出版日期:2014-09-25 发布日期:2014-08-05
通讯作者: 宋显民，男，1971年9月生，1995年获西安石油大学采油工程专业学士学位，现为西南石油大学石油矿场机械专业博士研究生、高级工程师，主要从事采油工艺及矿场机械研究工作。Email：songxm@petrochina.com.cn
作者简介:宋显民，男，1971年9月生，1995年获西安石油大学采油工程专业学士学位，现为西南石油大学石油矿场机械专业博士研究生、高级工程师，主要从事采油工艺及矿场机械研究工作。Email：songxm@petrochina.com.cn
基金资助:
中国石油天然气股份有限公司科学研究与技术开发项目“滩海油田开发及工程配套技术”子课题“冀东南堡1-3人工岛气举采油工艺研究与应用”（2009D-1504-03）资助。

Gas-lift production technology of wire casting and fishing in highly deviated wells

Song Xianmin^1,2, Liu Qingyou¹, Sun Chenglin², Xiao Guohua², Hu Huili², Wang Jinzhong², Jin Yanqing²

1. College of Mechanical and Electrical Engineering, Southwest Petroleum University, Sichuan Chengdu 610500, China;
2. Drilling and Production Technology Research Institute, Petrochina Jidong Oilfield Company, Hebei Tangshan 063004, China

Received:2014-03-24 Revised:2014-06-29 Online:2014-09-25 Published:2014-08-05

摘要/Abstract

摘要：

钢丝投捞式气举采油技术可以在不动管柱情况下实现气举井检阀目的，但目前技术不适应斜度较大井段投捞需要，笔者分析了目前技术的投捞运动过程，建立了投送过程关键阶段的系统能量关系式，分析了目前气举投捞工艺对斜度的适应性，建立了适合大斜度井段的井下投捞运动方式和系统能量关系式，确定了适合大斜度井投捞需要的下冲导向机构、凸轮锁定机构、整体投送器机构、投送器阀底支撑机构等技术方案，研制了大斜度井投捞式气举阀、工作筒、投送器等主体工具，形成了大斜度井钢丝投捞式气举采油技术，经系统能量关系式分析、室内实验和现场测试等过程，说明新工艺满足69°以内井斜段的投捞需求，矿场上推广实施6口井。

关键词: 大斜度井, 气举, 投捞, 系统功能关系式, 投送器, 工作筒, 气举阀

Abstract:

Gas-lift production technology featured by wire casting and fishing can achieve gas-lift valve-testing without moving production string in the down hole. However, it is presently not adapted to the requirement of casting and fishing in highly deviated wells. In this study, delivery movement process of the current technology is analyzed to establish the relation of system energy at key stages. Adaptability of the gas-lift casting and fishing technology to well deviation is assessed to establish casting and fishing movement pattern of gas-lift valves and the formula of system energy relation suitable for highly deviated wells. Technological schemes adapted to casting and fishing in highly deviated wells are developed, including undershooting guide mechanism, cam locking mechanism, whole delivery mechanism, and delivery valve bottom supporting mechanism. Additionally, the major tools such as gas-lift valve, work cylinder, and delivery device are developed for highly deviated wells to form the gas-lift production technology featured by wire casting and fishing. Verification analysis of the energy relation formula combined with laboratory and field tests shows that the proposed method meets the needs of casting and fishing within 69° of well deviation, which is implemented in five wells in the mine.

Key words: highly deviated wells, gas lift, casting and fishing, system energy, delivery device, work cylinder, gas-lift valve

中图分类号:

TE931

宋显民, 刘清友, 孙成林, 肖国华, 胡慧莉, 王金忠, 靳彦卿. 大斜度井钢丝投捞式气举采油技术[J]. 石油学报, 2014, 35(5): 979-986.

Song Xianmin, Liu Qingyou, Sun Chenglin, Xiao Guohua, Hu Huili, Wang Jinzhong, Jin Yanqing. Gas-lift production technology of wire casting and fishing in highly deviated wells[J]. ACTA PETROLEI SINICA, 2014, 35(5): 979-986.

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大斜度井钢丝投捞式气举采油技术

Gas-lift production technology of wire casting and fishing in highly deviated wells

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