叢式井組總體防碰與鉆井順序優(yōu)化技術(shù)及應(yīng)用

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1、叢式井組總體防碰與鉆井順序優(yōu)化技術(shù)及應(yīng)用第34卷第2期2012年3月石油鉆采工藝0ILDRILLING&PRODUCTIONTECHNOLOGYVo1.34No.2March2012文章編號:1000—7393(2012)02—0009—04叢式井組總體防碰與鉆井順序優(yōu)化技術(shù)及應(yīng)用劉曉艷施亞楠李培麗(勝利石油管理局鉆井工藝研究院,山東東營257017)引用格式:劉曉艷,施亞楠,李培麗.叢式井組總體防碰與鉆井順序優(yōu)化技術(shù)及應(yīng)用[J].石油鉆采工藝,2012,34(2):9-12,16.摘要:針對叢式井組井間距小,鉆井?dāng)?shù)量多,井間防碰鉆井順序

2、優(yōu)化難度大的技術(shù)特點(diǎn),利用觀察法結(jié)合系統(tǒng)科學(xué)方法,對平臺與鉆機(jī)整拖方向,目標(biāo)點(diǎn)與井口位置,各目標(biāo)井方位關(guān)系等進(jìn)行了系統(tǒng)研究,以老168叢式井組為例,借助于Paradigm軟件計(jì)算輔助手段,提出了一套鉆井順序整體優(yōu)化思路與方法,并分析了鉆井順序排列規(guī)律.研究表明,對于密集型叢式井組鉆井順序優(yōu)化,在分析防碰控制不利因素的基礎(chǔ)上,根據(jù)油藏特點(diǎn)與布井規(guī)律分析鉆井順序優(yōu)化原則,結(jié)合平臺自身特點(diǎn)確定鉆井順序優(yōu)化的方案,借助計(jì)算軟件進(jìn)行鉆井順序?qū)嵤┣暗牟粩鄡?yōu)化與實(shí)施過程中的持續(xù)優(yōu)化.最終得到既滿足油藏要求,又滿足鉆探目的的最優(yōu)化鉆井順序,為國內(nèi)海油陸采大型叢式

3、井組鉆井方案總體規(guī)劃提供了科學(xué)依據(jù).關(guān)鍵詞:密集型叢式井組;防碰;排列規(guī)律;鉆井順序;老168平臺中圖分類號:TE21文獻(xiàn)標(biāo)識碼:ATechniquesofclusterwellgeneralanti-collisionanddrillingsequenceoptimizationLIUXia0yan,SHIYanan,LIPeili(DrillingTechnologyResearchInstitute,ShengliPetroleumAdministration,Dongying257017,China)Abstract:Duetothesm

4、allwellspacing,largeamountofdrilledwell,andgreatdifficultyofinterwellanti—collisiondrillingse—quenceoptimization,bythemethodofmassobservationandsystematicstudy,thedragdirectionofwholeplatformanddrillingrigs,thepositionoftargetpointandwellhead,andtheorientationrelationshipofdi

5、fferentwellsaresystematicallystudied.Takingthematured168clusterwellasanexample,basedontheresultscalculatedbyParadigm,anapproachofwholeoptimizeddrillingsequenceispro—posed,andthearrangementofdrillingsequenceisanalyzed.Thestudyshowsthatoptimizationofintensiveclusterwelldrilling

6、sequenceshouldbebasedontheanalysisofadversefactors,anti-avoidancecontrol,thecharacteristicsofthereservoirandthedistributionofwells,combiningwithitsowncharacteristics.Then,thecalculationsoftwareisusedduringtheentiredrillingproceduretoimprovethedrillingsequence.Atlast,thebestdr

7、illingsequencewhichnotonlymeetreservoirrequirementsbutalsothepurposeofdrillingisachieved.Itsuppliesanscientificevidencefordomesticlargescaleclusterwelldrillingprogramplanning.Keywords:intensiveclusterwell;anti-collision;arrangementsequence;drillingsequence;matured168platform叢

8、式井組開發(fā)可節(jié)約大量的道路建設(shè),井場建設(shè)投資,節(jié)省地面空間,便于采油集中建站和管理,對開發(fā)淺海,灘涂,市區(qū)等油田具有廣闊的應(yīng)用前景….目