重力热管式抽油杆柱吸收地热加热井筒技术  

Technology of well-bore heating with geothermal energy transferred by gravity heat pipe suck rod string

作　　者：刘永建[1] 范英才[1,2] 李勇[2] 李巍[1] 

机构地区：[1]东北石油大学石油工程学院,黑龙江大庆163318 [2]辽河油田分公司欢喜岭采油厂,辽宁盘锦124010

出　　处：《大庆石油学院学报》2010年第5期65-70,168,共7页Journal of Daqing Petroleum Institute

摘　　要：针对目前蒸气吞吐井采用的电加热及热流体循环工艺存在的能耗大、运行成本高及井下作业复杂等问题,依据热管原理,将机抽井中的空心抽油杆经过加工处理改制成具有高效传热功能的重力热管,形成利用抽油杆柱吸收地热加热井筒新技术;介绍油井现场制造重力热管式抽油杆柱的操作工艺;依据辽河油田3口试验井资料分析加热井筒新技术适用条件及影响因素.结果表明:对于油层深度<1300m、油层流体温度为100～120℃、油层条件下原油黏度<10Pa·s、周期注气量≥2000m3及产液量≥15m3/d,在产液量20m3/d以上的蒸气吞吐井应用这种新技术可以取得加热井筒的好效果.High energy consumption,high operation cost and complex downhole operation pose great dif- ficulties in the present production method of steam stimulated well using electric heating and hot fluid circulating.Based on the principle of heat pipe,the hollow suck rod was processed into the gravity heat pipe with high heat transfer efficiency,and the technology of absorbing geothermal energy to heat wellbore by suck rod string was put forward.This paper described in detail the operation process to make on-site t...

关 键 词：蒸气吞吐 加热井筒 重力热管 空心抽油杆 吸收地热 

分 类 号：TE355.5[石油与天然气工程—油气田开发工程]