搜索
322OIL＆GASGEOLOGY201142010－10－28。1962—。0253－9985201102－0293－08SEC100083SEC、SEC。、、3SEC、。。、、、、、。、SEC、。SECTE155ACharacteristicsandtheirinfluentialfactorsofSECreserveevaluationZhangLingWeiPingXiaoXizhenSINOPECPetroleumExplorationandProductionResearchInstituteBeijing100083ChinaAbstractThispaperintroducesthecriteriaforclassificationofSECreservesdiscussesevaluationmethodsofSECreservesintermsofstaticevaluationdynamicevaluationandvalueevaluationandanalyzesthesensitivityofevaluationresultstovariousparametersincludingstaticdynamicandeconomicparameters．Moreoverthemainfactorsinfluencingevaluationresultsareidentifiedthroughvariouscasestudies．Fordynamicevaluationofreservespreviousdevelopmentpatternscurrentdevelopmentstatusandfuturedevelopmenttrendshouldbeusedtorationallydividereserveevaluationunitsandselectoptimaltypesofdeclinecurvesdeclineratestableproductiontimeandinitialproductionratesoastoensuretheevaluationresultsbeingobjectiveandaccurate．Oilpriceisbelievedtothemostsensitiveeconomicparameterthatinfluencestheremainingeconomicallyreco-verablereservesanditsvaluesfollowedbycostcostpartitioningcoefficientandinvestment．ThisstudyprovidesabasisfordeterminingSECreservesevaluationprocedureandappraisingtheaccuracyofevaluationresults．KeywordsinfluentialfactorofreservesclassificationofreservesSECstandardreserveevaluation、1。。SECSEC。SEC29432、。SEC、、、。11.1SECprovedreserves、probablereserves、possiblereserves21。provedreserves、。。probablereserves。。。possiblereserves。。。。SEC3、、3－4。SEC、、5－6。1.2。1、、。、。、、、、、。、、、1SECFig.1ClassificationofSECreserves2．SEC295、、、。。、、。、、、。2。。、7、。SEC。2SEC、、、。2.1、、、。90%50%、10%。PDPPUDPB2。。。2.2、、、、、、。。。、。、。2.3SEC2SECFig.2SketchmapshowingthescopeofwellcontrolandthecategoryofSECreserves296321231630。。2008SEC200912。。、、、、。2.4、、。SEC=－+。3SEC、、、3。3.1、、、、、。、。、、。、、、8－9。、3。3.2、、、、、。1、、10－11。4。、、。3Fig.3Sensitivityanalysisofgeologicalreserves2．SEC2974Fig.4Sketchmapshowingtherelationshipbetweenproductionandtimeatdifferentdeclinerate2、、、12。、、15。、、。3、、、、。、。4SEC、、、。1Table1Impactsofdeclinerateonreserveevaluationresults%%/106bbl/106bbl%－302.94445.617136.11243.98－203.36389.14179.63625.73－103.78346.45636.95011.9404.20309.50600104.62282.329－27.176－8.78205.04258.280－51.225－16.55305.46236.645－72.860－23.545Fig.5Sketchmapshowingtherelationshipbetweenproductionandtime29832、、。3.3、、、。113－14。。、、。A25/bbl30/bbl40/bbl4.6%50/bbl6。215－16。、。A30/bbl13.49/bbl17.83×106bbl10%20%4.6%。30/bbl－30%～30%－1000～15.255/bbl－30%～30%2。6AFig.6Oilpricevs．remainingeconomicallyrecoverablereservesofOilfieldA2Table2Impactsofcostsonreserveevaluationresults%/·bbl－1/·bbl－1303555/106bbl%/106bbl%/106bbl%－309.4418.644.57－15.219.257.96－26.519.2500－2010.7918.644.57－22.918.644.57－22.919.2500－1012.1417.830018.644.57－45.719.2500013.4917.830017.830019.25001014.840－100－1000.017.830019.25002016.190－100－500.017.830019.25003017.540－100－333.30－100－333.319.25002．SEC299R=RN/RC1RN=NCi－NCj/NCj2RC=Ci－Cj/Cj3RN%RC%NCj、NCi、106bblCjCi、/bbl。。。B4∶65∶51.8t/d2.0t/d10%3。3Table3Economiclimitratesatdifferentcostpartitioningcoefficients∶/t/t/t1∶9180.6171163.32∶8311.115084.23∶7411.513453.94∶6501.812141.35∶5572.011061.76∶4622.210158.27∶3672.49390.98∶2722.68731.29∶1752.78158.03、。－30%～30%4。。、、、7。4。41SEC、、。2、4Table4Impactsofinvestmentsonreserveevaluationresults%/103/·bbl－1303555/106bbl%/106bbl%/106bbl%－3012054717.830017.830019.2500－2013776817.830017.830019.2500－1015498917.830017.830019.2500017221017.83017.830019.250101894310－100－1000.017.830019.2500202066520－100－500.017.830019.2500302238730－100－333.317.830019.2500300327AFig.7SensitivityanalysisofreservevaluesofOilfieldA、、、、。3、。。、。SEC。1．20J．2005265584－589．ZhangKang．AnalysisofChina’soilreservesgrowthinrecent20yearsJ．Oil＆GasGeology2005265584－589．2．SECM．20048．JiaChengzhao．TheestimationmethodofoilandgasSECre-servesM．BeijingPetroleumIndustryPress20048．3．J．2005323125－129．ZhaoWenzhiBiHaibin．Differencesofnetpayestimationbe-tweenChinaandSECJ．PetroleumExplorationandDevelop-ment2005323125－129．4．SECJ．200425219－20．HuYundongXiaoDemingWangYongxiang．ThePrinciplesforestimatingprovenreservesfollowingSECstandardsJ．Ac-taPetroleiSinica200425219－20．5．J．200623245－248．ZhangLingYuanXiangchunLinHaoetal．TheComparisonanalysisofthedomesticreservecalculationandreserveestima-tiononoverseamarketJ．WestChinaPetrolumGeosciences200623245－248．6．J．2007283309－314．ZhaoWenzhiBiHaibin．AdiscussionontheunitclassificationinreserveestimationJ．Oil＆GasGeology2007283309－314．7．、J．2008291151－156．ChenYuanqianHuJianguo．Derivationofmethodsforestima-tingOGIPandrecoverablereservesandrecoveryratioofsatu-ratedcoal-seamgasreservoirsJ．Oil＆GasGeology2008291151－156．8．J．2008296804－808．WuGuoganHuYongdongWangYongxiangetal．Maincon-trolfactorsfortheestimationofoilandgasreservesgenesisoftrapsinoilandgasreservoirsJ．ActaPetroleicSinica2008296804－808．9．J．2009302223－229．ZhangLingWangZhiqiangZhangLiyanetal．AdiscussiononcertainissuesconcerningreservecalculationofigneousreservoirsJ．Oil＆GasGeology2009302223－229．10．J．200512622－36．LiuXueliJiaoFangzhengZhaiXiaoxianetal．Theapproachtoreservecalculationoffractured-vuggycarbonatereservoirsoftheOrdov