海相油气田超深井完井固井技术.docx

第30卷第2期石油钻采工艺Vol.30No.2

2008年4月OILDRILLINGPRODUCTIONTECHNOLOGYApr.2008

文章编号:1000-7393(2008)02-0014-09

海相油气田超深井完井固井技术*

信廷富张宏军王建仓刘爱锋刘铮

(胜利石油管理局黄河钻井固井公司,山东东营257064)

、,特,取,、、、

气田的完井固井工艺提供了一定的技术支持。

关键词:海相油藏;超深井;完井;固井;水泥浆体系

中图分类号:TE256;TE257文献标识码:A

Completionandcementingtechnologiesforultradeepwellsinmarineoilandgasfields

XINTingfu,ZHANGHongjun,WANGJiancang,LIUAifeng,LIUZheng

(YellowRiverDrillingCorporation,ShengliPetroleumAdministrationBureau,Dongying257064,China)

Abstract:Atpresent,mostoilandgasresourcesintheworldisdiscoveredinmarinebasins.However,thedegreeofmarineex-plorationanddevelopmentismuchlowerinChina.Inrecentyears,theexplorationanddevelopmentofmarineoilreservoirshavebeenacceleratedbasedonthediscoveryoflargescaleoilandgasfieldsinTarimandSichuanBasins.Marineexplorationanddevelopmentisaninternationaltechnicalproblem.Inviewofthecharacteristicsofmarinereservoirssuchasthelargeburialdepth,thelongbarehole,thehighpressure,thecomplicatedcasingprogram,themultipleformationpressuregradientsandthecontainingofharmfulgas,thetechnicalproblemsinexplorationanddevelopmentofmarineoilreservoirsareintroducedindetail,andtheresearchontheultradeepwellcompletionandcementingprocesses,tools,thecementslurrysystem,andtheirsupporttechnologiesareconducted.Goodfieldapplicationresultshavebeenobtained,providingtechnicalsupportforthecompletionandcementingprocessesusedindomesticmarineoilandgasfields.

Keywords:marineoilreservoir;ultradeepwell;completion;cementing;cementslurrysystem

国内石油天然气勘探经历了由海相到陆相又到海相的历程。20世纪,在陆相盆地中找到和开采了大量的石油和天然气。而后又在四川盆地、塔里木盆地、鄂尔多斯盆地、渤海湾盆地、南方