胜科1超深井盐膏泥复杂地层钻井液技术

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1、●，◆。、DrillingFluidTechniqueinSalt--gypsum·-mudBadGroundoftheUltraDeepWellShengkelLiXiaoming(Oil&GasWellEngineering)DirectedbyProf．QiuZhengsongAbstractAimedatthedrillingfluidprobleminsalt--gypsum·-mudbadgroupofultradeepwellShengkel，thefabricandphysicalchemicalpropertiesofsalt-gypsum-mudbadgr

2、oupwereanalyzedthroughX—raydiffraction,scanningelectronmicroscope，shaleswellingexperimentandtestofdissolvingrateofrockonthebaseofdeeplylocalinvestigationandresearch．Themechanismofsidewellinstabilitywerestudiedbyexperimentandanalysis．Thepermeabilityandmembraneefficiencyofbadgroupweretestedth

3、roughshalepressuretransmissionexperiment(POT)andthehyposmosisadditiveSDN一1withbettercapicityofblockingpressuretransmissionandimprovingpressurizationofstratawasselected．Thedrillingfluidformulationsuitablesalt·-gypsum·-mudbadgroupwasobtainedbyscreeningadditivesandoptimizingcompatibility,thene

4、mpiricalanalysisofitspropertiessuchashightemperatureandhighpressurerheologicalpropertywereconducted．Thedrillingfluidtechniqueandcorrespondingdrillingengineeringtechnicalmeasuresofsalt—-gypsum··mudbadgroupweresumedUPbyanalyzingdrillingpracticeinsalt-gypsum-mudbadgroupo．fultradeepwellShengkel

5、．Keywords：Sidewallstabilization，Salt—gypsumbed，Papa，Drillingfluid，UltradeepwellShengkel_一●矿●目录第一章前言．．⋯．．⋯．．．⋯．．⋯．⋯．．．⋯．．．．．．⋯⋯⋯．．．．．1第二章胜科1超深井概况及深部盐膏泥地层钻井液技术现状⋯⋯⋯62．1胜科1超深井概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．62．1．1邻井情况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯62．1．2胜科1超深井特征分析⋯⋯⋯⋯⋯⋯。⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯72．1．3胜科1超深井所面临的钻井液技术难题．⋯⋯⋯⋯⋯⋯⋯⋯

6、⋯⋯⋯⋯⋯92．2深井盐膏泥地层钻井技术现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯92．2．1盐膏层钻井工程技术现状⋯⋯⋯⋯．⋯．：⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯102．2．2深部盐膏层钻井技术的发展方向⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯．．⋯⋯⋯⋯122．3深部盐膏层钻井液技术现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．132．3．1井壁稳定技术的发展现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯132．3．2盐膏层一般特征⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．142．3．3盐膏层井壁稳定机理研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯152．3．4用于盐膏层钻进的防塌剂防塌作用机理．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．172．3

7、．5盐膏层钻井液技术⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯20第三章胜科1超深井盐膏泥地层井壁失稳机理研究⋯⋯⋯⋯⋯．253．1组构及理化性能分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．j⋯．253．1．1矿物组构分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．253．1．2理化性能分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．303．2盐溶规律实验研究⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯353．2．1实验原理⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．353．2．2盐溶规律测试结果⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯