石油机械
石油機械
석유궤계
CHINA PETROLEUM MACHINERY
2015年
8期
11-15
,共5页
干热岩%钻井技术%耐高温%高效破岩%钻井液
榦熱巖%鑽井技術%耐高溫%高效破巖%鑽井液
간열암%찬정기술%내고온%고효파암%찬정액
hot dry rock%drilling technology%high temperature resistance%high efficient rock breaking%drilling fluid
干热岩资源的勘探与开发首先需要解决深层、高温、硬质和易失稳地层的钻井问题。通过研究干热岩地质特征和赋存条件，提出了干热岩钻井施工的主要技术难点。调研了国内外油气钻井技术的耐高温性能指标，分析了高效破岩工具、随钻测控仪器、钻井液体系和固完井技术的适用性，并对气体钻井、干法固井和泡沫增压钻井等技术进行了可行性分析，在此基础上探讨了我国干热岩钻井技术的发展方向和亟待解决的若干问题，以期为干热岩地热开发的钻井方案优选和钻井技术攻关提供借鉴。
榦熱巖資源的勘探與開髮首先需要解決深層、高溫、硬質和易失穩地層的鑽井問題。通過研究榦熱巖地質特徵和賦存條件，提齣瞭榦熱巖鑽井施工的主要技術難點。調研瞭國內外油氣鑽井技術的耐高溫性能指標，分析瞭高效破巖工具、隨鑽測控儀器、鑽井液體繫和固完井技術的適用性，併對氣體鑽井、榦法固井和泡沫增壓鑽井等技術進行瞭可行性分析，在此基礎上探討瞭我國榦熱巖鑽井技術的髮展方嚮和亟待解決的若榦問題，以期為榦熱巖地熱開髮的鑽井方案優選和鑽井技術攻關提供藉鑒。
간열암자원적감탐여개발수선수요해결심층、고온、경질화역실은지층적찬정문제。통과연구간열암지질특정화부존조건，제출료간열암찬정시공적주요기술난점。조연료국내외유기찬정기술적내고온성능지표，분석료고효파암공구、수찬측공의기、찬정액체계화고완정기술적괄용성，병대기체찬정、간법고정화포말증압찬정등기술진행료가행성분석，재차기출상탐토료아국간열암찬정기술적발전방향화극대해결적약간문제，이기위간열암지열개발적찬정방안우선화찬정기술공관제공차감。
The exploration and development of hot dry rock resources first need to address the drilling issues in deep, hot, hard and unstable formation?By studying hot dry rock geological features and storage conditions, the key technical difficulties of hot dry rock drilling are presented?The high?temperature resistance performance in?dex of domestic and foreign oil and gas drilling technologies are investigated?The applicability of high effective rock?breaking tool, MWD instrument, drilling fluid system, cementing and completion technology are analyzed, and feasibility analyses have been conducted on the gas drilling, dry wellbore cementing and pressurized foam drilling techniques?On the basis of above analyses, the future develop directions and issues urgently needed to be ad?dressed about domestic hot dry rock drilling technology are discussed, hoping to provide references for drilling pro?gram optimization and technology research for hot dry rock geothermal development.
