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2001030220010501秦都郭元岭赵乐强石红霞高磊(257000)油气勘探过程是一种特殊的经济运行过程勘探成果的不确定性决定了勘探经济评价研究工作必须同时注重勘探地质和勘探经济运行规律两方面的研究,包括勘探潜力勘探工程指标勘探风险勘探投入形式勘探产出形式勘探最小经济运行单位勘探操作经济标准勘探投入回收过程勘探经济运行效率等研究内容:油气勘探效益经济评价1,,,(),,,,;,,,,,,,,2,[1],,21,(),,;,,,,,,;(,)(),,,,;2002中国海上油气(地质)CHINAOFFSHOREOILANDGAS(GEOLOGY)161,,22,4[2]4:,,,,,,,,,,()(),,,23,,[3]3,(),,,:31,,311资金投入,,,,,,,,,,:(1);(2),;(3)312智力投入,()[4],(),:(1);(2)32,[5],,,321储量经济寿命及经济可采储量(),,,,,,,,67161::,[6],,,,,322储量商业价值,,,[5],,,,,,323不同级别地质储量的商业储量转化,,,,,,,,3,669%,5739%,845%33,;,,,,()()(),,,,34,,[6],2000~3000m,3t,,341探井商业油气流标准,,(),342储量经济界限,,,(11km1km2),68()2002,,,10~15t,45t343勘探经济效益标准,,,,;,35[2],,,,,,,,,,,,36,,,,100%,,(),(),,37,,,,,[7],,,4,,,,,1.19962010.:,19992..:,19973..:,19994..:,19995..:,20006..:,19917.().:,1994(:)69161:THEBASICCONCEPTSANDSIGNIFICANCEINECONOMICEVALUATIONOFPETROLEUMEXPLORATIONQinDuGuoYuanlingZhaoLeqiangShiHongxiaGaoLei(ExplorationDepartmentofShengliOilfieldLimited,SINOPEC,Shandong)ABSTRACTTheprocessofpetroleumexplorationisaspecialkindofeconomicrunningprocess.Becauseoftheuncertaintyinexplorationresults,theeconomicevaluationofpetroleumexplorationmustbefocusedonregularityresearchinbothgeologyandeconomics,includingexplorationpotential,engineeringstandard,explorationrisk,explorationinput,explorationoutput,minimumeconomicrunningunitofexploration,economicstandardofexplorationoperation,recoveryprocessofexplorationinputandeconomicrunningefficiencyofexploration.Keywords:petroleum;exploration;benefit;economicevaluation(61)ADRILLINGFLUIDTECHNIQUETOPROTECTHIGHPERMEABILITYSANDSTONERESERVOIRWuBinYanJienian(UniversityofPetroleum,Beijing)XuXianguang(KaramayOilfield,Xinjiang)ABSTRACTForthehigh_permeabilitysandstonereservoirinLu_9area,Karamayoilfield,atemporarypluggingtechniqueisdevelopedbymixing3typesofbridgingagentsonthebasisofoptimizingdrillingfluidformulation.Laboratoryevaluationexperimentsshowthatthistechniquecandrasticallyincreaseregainedpermeabilityofdrilledformationandthereforemoreeffectivelyprotecthigh_permeabilityreservoirs.Keywords:high_permeabilityreservoirs;sandstoneformationprotection;permeability;bridgingagent70()2002