安徽地质2025，Vol.35Issue(2)：121-124,4.
安徽省淮北市南坪勘查区煤层气预探钻井工程设计分析和改进
Analysis and improvement of drilling engineering design for deep coalbed methane pre-exploration in the Nanping exploratiom area in Huaibei City,Anhui Province
摘要
Abstract
A parameter well(NP-1)was drilled in the Nanping exploration area,Huaibei City,Anhui Province,as part of a coalbed methane(CBM)pre-exploration project.Non-coring drilling was employed in the first and second intervals,while wireline coring was for 100%core recovery in the third interval.As a frontier exploration area with limited prior geological data,the encountered formations deviated significantly from predictions,leading to poor drilling design adaptation.Despite the successful completion of the well,critical analysis revealed opportunities to optimize wellbore architecture,lost circulation management,and equipment selection.Based on field experience from this campaign,targeted design improvements are proposed to enhance operational efficiency,providing actionable guidelines for deep CBM exploration in the area.关键词
淮北煤田/深部煤层气勘查/南坪勘查区Key words
Huaibei coalfield/deep coalbed methane exploration/Nanping exploration area分类
地质学引用本文复制引用
葛志强..安徽省淮北市南坪勘查区煤层气预探钻井工程设计分析和改进[J].安徽地质,2025,35(2):121-124,4.基金项目
安徽省地质勘查基金项目"安徽省淮北市南坪勘查区煤层气预探"(编号:2022-1-20)资助 （编号:2022-1-20）
