高温高压固井技术-哈里伯顿

《高温高压固井技术-哈里伯顿》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、.CementingforCementingforHPHTwellHPHTwellAlfredAzerandRickZhangCONFIDENTIAL-HALLIBURTONAgendaAgenda°WhatiscriticaltoCementing°DifferentbetweenHPHTandnormalcementing°SlurryDesign°HolePreparation°MudDisplacementProcess°CasingAttachment°Opticem-CementSimulat

2、or&OpticemRealtime°CementingfortheLifeofwell°DiscussionCONFIDENTIAL-HALLIBURTONReasonsforCementingCasingReasonsforCementingCasing°Sealformationspenetrated°Protectcasingfromburst,collapse,drillingshock,andcorrosivefluids°MaintaincontrolofwellCONFIDENTIAL-H

3、ALLIBURTONALLCementJobNeedToLookLikeThis!ALLCementJobNeedToLookLikeThis!CONFIDENTIAL-HALLIBURTONNOTLikeThis!NOTLikeThis!MudCementCONFIDENTIAL-HALLIBURTONGasChannelbehindcasingleadtothisblowoutGasChannelbehindcasingleadtothisblowoutJackup~$30MMPlatforminGO

4、M~$28MMCONFIDENTIAL-HALLIBURTONMudcakeleaksCasingSCPsourcesleakWell-headleakTensilecracksincementcausedbytemperatureTubingleak&pressurecyclesLowpressuresandHighpressuresandUndergroundblowoutChannelcausedbyflowaftercementingFigurefrom“AReviewofSustainedCas

5、ingPressure(SCP)OccurringontheOCS”byMicro-annuluscausedBourgoyneetalbycasingcontractionCONFIDENTIAL-HALLIBURTON(March2000)WellswithCasingPressurebyAgeWellswithCasingPressurebyAge(4-8-03MMSData)(4-8-03MMSData)6050Percentof40Wells30affectedbySCP201000369121

6、51821242730AgeofWellYearsCONFIDENTIAL-HALLIBURTONAgendaAgenda°WhatiscriticaltoCementing°DifferentbetweenHPHTandnormalcementing°SlurryDesign°HolePreparation°MudDisplacementProcess°CasingAttachment°Opticem-CementSimulator&OpticemRealtime°CementingfortheLife

7、ofwell°DiscussionCONFIDENTIAL-HALLIBURTONHalliburtoncementing°HPHTwellcementingCONFIDENTIAL-HALLIBURTONHPHTwellcementing,Definitions:°Temperature°BHSThigherthan300F/150C°(CementinginthetransitionzoneconventionalÆHTretarders)°HighPressure°WHPhigherthan10,0

8、00psi/690bar°(havetouseweightingagentsandthusoftenbatchmixorpre-blend)°Typicallydifficultconditions°Suchasnarrowfractureversusporepressuremargin°ECDandoverbalancemanagement°Veryvulnerabletomudproperties:PV/YP,gels°P