长庆马岭油田水平井钻井防碰绕障技术

《长庆马岭油田水平井钻井防碰绕障技术》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、第31卷第2期石油钻采工艺V01．31No．22009年4月0ILDRILLING&PRODUCTIONTECHNOL0GYApr．2009文章编号：1000—7393(2009)02—0035—04长庆马岭油田水平井钻井防碰绕障技术王万庆田逢军(川庆钻探工程有限公司长庆钻井总公司，陕西西安710000)摘要：长庆油田水平井在老油田部署较多，受施工地形条件和周围邻井限制，钻进过程防碰问题特别突出，采取有效的防碰技术是决定水平井施工的成败。马岭油田是长庆油田公司20世纪70年代开发的老油田，南平1井为马岭油田防碰绕障的典型水平井，为保证施工质量和安全，对防碰资

2、料进行了分析，找出防碰绕障的难点及重点，在施工前进行了相关模拟防碰数据预算，优选出最佳防碰绕障方案。根据方案选择适当的钻头、钻具和工具仪器进行施工，按防碰绕障方案有效控制轨迹。使用该防碰技术后，该井井眼防碰绕障非常成功，而且井眼轨迹平滑，做到了精准入窗，保证了后续施工顺利进行，提高了钻井速度。该技术在长庆马岭油田水平井推广应用效果明显。关键词：长庆油田；水平井；轨迹控制；防碰绕障技术中图分类号：TE243文献标识码：ATheanti—collisionandbarrier-bypassingtechnologyofhorizontalwelldrilling

3、inChangqingMalingOilfieldWANGWanqing，TIANFengjun(ChangqingDrilling＆ExplorationCorporationunderChangqingWellConstructionCompany，Xi’an710000，China)Abstract：ManyhorizontalwellsdeployedbytheChangqingOilfieldinoldoilfields，theconstructionisinfluencedbytheter-rainconditionsandrestriction

4、saroundadjacentwells．Duringtheprocessofdrilling，anti—collisionproblemsoccurprominently,SOthemethodofefectiveanti—collisiondeterminesthesuccessofhorizontalwellconstruction．MalingOilfieldhasbeenexploredbyChangq-ingOilfieldCompanysince1970’S．Nanping1wellisatypicalhorizontalwellofanti—

5、collisionandbarrierbypassingoftheoilfield．Toguaranteethequalityandsafetyofconstruction，theanti—collisioninformationisanalyzed，andthedificultiesandfocusoftheanti—col—lisionandbarrierbypassingisfoundout．Beforeconstruction，theanti—collisiontechnologyandtherelatedinformationestimationi

6、sstudied，asaresult，theoptimalprogramofanti—collisionandbarrierbypassingisselected．Accordingtotheprogram，appropriatebits，drillingequipmentandtoolsfordrillingoperationareselected，SOthatthetrajectoryisefectivelycontrolled．Theuseoftheanti—colli—siontechnologynotonlymakestheholedrilledv

7、erysuccessfullyaroundthebarrier,butalsomakesthewelltrajectorysmooth，SOastocomeintothewindowprecisely,andensurethesmoothconstructionofthefollow—upoperation，andthenimprovethespeedofdrilling．ObviousefectisobtainedbyapplyingthetechnologyinthehorizontalwellsofChangqingMalingOilfield．Key

8、words：ChangqingOilfield；ho