钻探工程2024，Vol.51Issue(z1)：352-357,6.DOI:10.12143/j.ztgc.2024.S1.056
渤海油田复杂井侧钻设计方法研究与实践
Research and practice of sidetracking schemes for complex wells in Bohai Oilfield
摘要
Abstract
Sidetracking on the old well is one of the main means of stable and increase production in the Bohai Oilfield.There is an uncertainty of the cost for cleaning the well before sidetracking in complex wells.The formulation of reasonable sidetracking decision-making trees can effectively control the cost.This article sorts out the current status of the sidetracking design technology in Bohai Oilfield.In view of the problems in drilling design for complex wells such as sleeves and sieve pipes recycle,"falling fish"salvage and so on,based on the principle of"safety,economy,and efficiency"the sidetracing decision-making trees are formulated,such as the long-time casing recycle,the sieve pipes recycle or not,and the fish salvage or not.Taking the sidetracking design for 3 complex wells in Bohai Oilfield as an example,the application of the decision tree realizes the scientific design of the sidetracking solution.Compared with the conventional design method,it costs less than 15 million RMB.The decision tree proposed in this article has a certain promotion value.关键词
复杂井/老井侧钻/回收套管/回收筛管/打捞落鱼/决策树/渤海油田Key words
complex wells/sidetracking in the old well/casing recycle/sieve pipe recycle/"falling fish"salvage/decision tree/Bohai Oilfield分类
能源科技引用本文复制引用
陈立强,于长广,王宇昕,唐捷,王赞,陈国宏..渤海油田复杂井侧钻设计方法研究与实践[J].钻探工程,2024,51(z1):352-357,6.基金项目
中海油能源发展股份有限公司科技重大专项"深层深井井身结构设计技术研究项目"(编号:HFKJ-ZX-GJ-2023-05-02) （编号:HFKJ-ZX-GJ-2023-05-02）
