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气体钻井的适应性评价技术

来源:天然气工业 日期:2011-11-02 浏览量:
【英文篇名】 Evaluation techniques on the adaptability of gas drilling
 
【作者】 李皋; 孟英峰; 蒋俊; 肖长久; 王延民; 刘厚彬; 丁振龙;
【英文作者】 LI Gao1; MENG Ying-feng1; JIANG Jun1; XIAO Chang-jiu2; WANG Yan-min1; LIU Hou-bin1; DING Zhen-long3(1. Southwest Petroleum University; Chengdu 610500; China; 2. Northeast Gasfield of PetroChina Southwest Oil field Company; Dazhou 635000; 3. International Engineering Company; CNPC Chuanqing Drilling Engineering Co.; Ltd.; Chengdu 610051; China);
【作者单位】 西南石油大学; 中国石油西南油气田公司川东北气矿; 川庆钻探工程公司国际工程公司;
【【中文关键词】 气体钻井; 适应性; 储层损害; 钻井速度; 井壁稳定;
【英文关键词】 gas drilling; applicability; reservoir damage; ROP; wellbore stability;
【摘要】 气体钻井对地质条件、设备及工艺的要求较高,因适应性评价不充分而导致气体钻井失败的实例屡见不鲜,目前国内还缺乏相应的气体钻井适应性评价技术体系。基于气体钻井的必要性、工程可行性、经济可行性评价所涉及的关键技术,建立了气体钻井适应性评价技术体系,开发了相应的评价软件系统。此举有利于促进气体钻井的科学选区、选井和选层,减少决策的盲目性,推进气体钻井技术在油气田、煤层气田勘探开发领域的高效应用。
【英文摘要】 Geological conditions, drilling equipments and processes are critical to gas drilling. Many gas drilling failures are due to insufficient applicability evaluation. Up to now there is no gas drilling adaptability evaluation system in China. In this paper, an evaluation system of such is developed based on the essentiality, engineering feasibility, and economic feasibility of gas drilling. The related software is also studied. This system will be helpful for gas drilling candidate screening (applicable block,...
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