CAJ | 학술논문

为提高川西新场气田开发效果,在新场构造北翼部署了一个3口井长水平段水平井井组.在油藏地质特征分析的基础上,将以往三开井身结构优化为二开;针对水平井裸眼段长、水平段长、位移大的特点,通过采用井眼轨迹控制、摩阻扭矩监测技术以及优选钻井液体系等措施,并配合高效PDC钻头,安全高效地完成了钻井施工,为川西地区中深长水平段水平井钻探积累了宝贵的经验.
위제고천서신장기전개발효과,재신장구조북익부서료일개3구정장수평단수평정정조.재유장지질특정분석적기출상,장이왕삼개정신결구우화위이개;침대수평정라안단장、수평단장、위이대적특점,통과채용정안궤적공제、마조뉴구감측기술이급우선찬정액체계등조시,병배합고효PDC찬두,안전고효지완성료찬정시공,위천서지구중심장수평단수평정찬탐적루료보귀적경험.
?To?improve?the?development?effect?of?Xinchang?gas?field?in?western?Sichuan,?a?long?lateral-section?horizontal?well?pat-tern?of?three?wells?was?deployed?in?the?northern?of?Xinchang?structure.?Based?on?the?analysis?on?reservoir?geology?characteristics,?the?well?structures?were?optimized?to?two?trips?from?three?trips.?These?wells?have?the?characteristics?of?long?open?hole,?long?lateral?section,?and?large?displacement.?Through?making?the?hole?trajectory?control?measures,?monitoring?drag?and?torque,?and?optimizing?drilling?fluid,?the?drilling?efficiency?of?the?pattern?wells?has?been?greatly?improved,?cooperated?with?PDC?bit?during?drilling,?which?provided?precious?experiences?for?drilling?long?lateral-section?horizontal?wells?in?mid-depth?formation?in?western?Sichuan.