探矿工程-岩土钻掘工程
探礦工程-巖土鑽掘工程
탐광공정-암토찬굴공정
EXPLORATION ENGINEERING (DRILLING & TUNNELING)
2014年
4期
36-38
,共3页
欠平衡井%套管开窗%轨迹控制%方案优化%小井眼%达深CP302井
欠平衡井%套管開窗%軌跡控製%方案優化%小井眼%達深CP302井
흠평형정%투관개창%궤적공제%방안우화%소정안%체심CP302정
under-balanced well%casing sidetracking%trajectory control%scheme optimization%slim hole%Dashen CP302 well
达深CP302井是大庆油田自主设计和施工的第一口深层小井眼欠平衡套管开窗侧钻水平井，该井集中了深井、小井眼井、欠平衡井、套管开窗及水平井的所有技术特点与难点。通过技术方案优化，确定了斜向器配合复式铣锥磨铣开窗方式，详细介绍了套管开窗侧钻技术和井眼轨迹控制技术。达深CP302井的钻探成功，取得了良好的经济效益和社会效益。
達深CP302井是大慶油田自主設計和施工的第一口深層小井眼欠平衡套管開窗側鑽水平井，該井集中瞭深井、小井眼井、欠平衡井、套管開窗及水平井的所有技術特點與難點。通過技術方案優化，確定瞭斜嚮器配閤複式鐉錐磨鐉開窗方式，詳細介紹瞭套管開窗側鑽技術和井眼軌跡控製技術。達深CP302井的鑽探成功，取得瞭良好的經濟效益和社會效益。
체심CP302정시대경유전자주설계화시공적제일구심층소정안흠평형투관개창측찬수평정，해정집중료심정、소정안정、흠평형정、투관개창급수평정적소유기술특점여난점。통과기술방안우화，학정료사향기배합복식선추마선개창방식，상세개소료투관개창측찬기술화정안궤적공제기술。체심CP302정적찬탐성공，취득료량호적경제효익화사회효익。
Dashen CP302 is the first deep slim hole under-balanced casing window sidetracking horizontal well which is in-dependently designed and constructed in Daqing oilfield, and has concentrated all the technical characteristics and the diffi-culties of deep well, slim hole well, under-balanced well, casing window and horizontal well.By optimization on the tech-nical scheme, whipstock with duplex milling and cone milling window is determined.The paper introduces casing sidetrack-ing technology and well trajectory control technology in detail.
