油气藏评价与开发
油氣藏評價與開髮
유기장평개여개발
2013年
6期
53-56
,共4页
页岩气%空气钻井%漏失%机械钻速%彭水区块
頁巖氣%空氣鑽井%漏失%機械鑽速%彭水區塊
혈암기%공기찬정%루실%궤계찬속%팽수구괴
shale gas%air drilling%leakage%ROP%Pengshui block
中国石化彭水页岩气区块上部灰岩地层溶洞裂隙发育，导致漏失频繁，地层古老、岩性致密，可钻性差。为了有效解决上部地层漏失，提高钻井效率，在该区采用了空气钻井技术。介绍了彭水区块的基本情况，并结合实际钻遇地层，进行了空气钻井使用井段的优选，在此基础上详细分析了空气钻井技术在彭水区块的使用情况，评价了其应用效果，并对区块内不同区域钻进方式提出了建议。通过应用空气钻井技术，有效解决了该地区灰岩层段漏失问题，提高了钻井效率，从而降低了钻井生产成本。
中國石化彭水頁巖氣區塊上部灰巖地層溶洞裂隙髮育，導緻漏失頻繁，地層古老、巖性緻密，可鑽性差。為瞭有效解決上部地層漏失，提高鑽井效率，在該區採用瞭空氣鑽井技術。介紹瞭彭水區塊的基本情況，併結閤實際鑽遇地層，進行瞭空氣鑽井使用井段的優選，在此基礎上詳細分析瞭空氣鑽井技術在彭水區塊的使用情況，評價瞭其應用效果，併對區塊內不同區域鑽進方式提齣瞭建議。通過應用空氣鑽井技術，有效解決瞭該地區灰巖層段漏失問題，提高瞭鑽井效率，從而降低瞭鑽井生產成本。
중국석화팽수혈암기구괴상부회암지층용동렬극발육，도치루실빈번，지층고로、암성치밀，가찬성차。위료유효해결상부지층루실，제고찬정효솔，재해구채용료공기찬정기술。개소료팽수구괴적기본정황，병결합실제찬우지층，진행료공기찬정사용정단적우선，재차기출상상세분석료공기찬정기술재팽수구괴적사용정황，평개료기응용효과，병대구괴내불동구역찬진방식제출료건의。통과응용공기찬정기술，유효해결료해지구회암층단루실문제，제고료찬정효솔，종이강저료찬정생산성본。
The upper limestone stratum of Pengshui shale gas block is rich in caves and fractures, which leads to frequent loss circulation. Mean-while ancient stratigraphy and dense lithology cause the poor drillability. In order to effectively solve the problem of loss circulation and increase drilling efficiency, air drilling technology is used in this area. This paper introduces the basic situation of Pengshui block. Meanwhile, combined with the actual drilling stratigraphic, the air drilling well sections are optimized. On this base, the application of air drilling technology in Pengshui block is detailedly analyzed, the effects are evaluated, and the recommendations are proposed about the drilling methods in different regions. By us-ing the air drilling technology, the loss circulation problem is effectively solved and the drilling efficiency is improved, thereby, the drilling costs are reduced.
