现河庄油田分层注水管柱配套模式及应用(1)

现河庄油田分层注水管柱配套模式及应用*游龙潭孙民张红梅张江朱泽军:针对现河庄油田分层注水管柱寿命短的问题,研究制定了几种完善分层技术的方案,主要包括锚定补偿管柱技术国外锚瓦(双卡瓦)管柱技术新型悬挂式管柱技术三大类介绍了各类管柱技术的工作原理,对现场应用情况进行了分析评价,指出了今后一段时间内分注管柱技术的发展方向为悬挂式压力平衡管柱技术:分层注水;锚定;悬挂式;注水井:TE357.6:B:1009-9603(2004)03-0076-03引言2003,,Y341,,,1配套模式的确定,9100104t,49,27,19,325~35MPa,3000~3400m,125!;-15MPa,2000~2700m,80~110!1.1,,,[1],73mm,5.5mm,139.7mm,9.17mm,(1)1/MPa/m/N/m203300602500.34()51530515305153020002800310020002800310020002800310022134959142213403522213917725423235222139177295105-0.30-1.88-5.410.31.716.120.291.623.81:1,,,22134N221340N,,0.30m5.41m,,,0.29~3.81m2003-12-17;2004-03-16:,,,1994,:[phone],:(257068)*20046PETROLEUMGEOLOGYANDRECOVERYEFFICIENCY113,20~50!,0.768~1.92m1.2,Y341,,:,,Y341Y341();,Y342(CZK344-115∀)2现场试验2.1Y341,35MPa,,,14,,13.5MPa25MPa,43328m374-2,12,200210,,;,15MPa26MPa,0,,372,,,,;,,,40%~60%2.2PFH[2],,,50MPaHRP,,40MPa43-4-11,3266.1~3325m,2430~2500m2590~2640m,PFH;10MPa28MPa,60m3/d,2125m3,257,,,,2.3Y342CZK344-115∀,ZJKY342,CZK344-115∀,CZK344-115∀20,75%,31474m3Y3422,,CZK344-115∀;Y3423发展方向,(),Y341,,#77#113:;,,,,,Y341,:1,..:,1983:168~1722,.PF.,1997,25(10):5~8刘北羿(上接第73页)14.0MPa,9.0MPa,56m3,20031236848m3,2580t2-21-19()199310,200110200~800m,;,;GSY20t,15MPa,15min,3.22001,17,100%,15,29,3.3t,5814t;3,1739.25t;2,2674.3t;3,1842t1712069.55t1000/t,210104,996.9551041∃5.75[3],848104t4结论,,,,,:1..:,20012,..:,19983.PI.:,1997刘北羿#78#20046Liquidwhistleacousticgeneratorisamechanicalhydrodynamicone,whichisfitforexcitingsonicwaveinliquidwithwideappliedprospectonscalecontrol,oildisplacement,paraffincontrol,viscositybreakandotheraspectsinoilfield.Mechanicalstructureandworkingprincipleoftheliquidwhistleacousticgeneratorareintroducedinthispaper.Scalecontrolandviscositybreakbysonicwaveareexperimented.Amountofscalebuildupofcrudeoilreducesobviouslyandviscosityofwaxbearingcrudereducesatlargerangeaftersonicwavetreatment.Keywords:liquidwhistleacousticgenerator,scalecontrol,viscositybreak,paraffincontrolHaoLin,SunNan,WangDongetal.ApplicationofwaterblendingtechnologyabovepumpintheheavyoilreservoirofGudongoilfield.PGRE,2004,11(3):71~73HeavyoilreservoirhasbecomethekeyofreservereplacementinGudongoilfield.TheheavyoilproductiondirectlyinfluencesthestableproductioninGudongoilfield.Themainmethodsofimprovingfluidflowconditionsofwellborearethermal,chemical,dilutiononesandsoon.Oilproductioncostinchemicalviscositybreakmethodandelectricheatingmethodisexpensive.Thereisn%tsufficientthinoilresourcewithviscositybreakinGudongoilfield.Sowastewaterblendingtechnologyabovewellboreoilwellpumpisused.Relatedproductionparametersofwaterblendingwellabovepumpareoptimizedthroughtheresearchofsoftwaresimulation.Thistechnologyisusedin18wellsofthefield.Cumulativeincrementaloilis2579.2t.Keywords:heavyoilreservoir,steam,oildisplacementagent,waterblendingabovepump,alternatinginjection,GudongoilfieldMaZhensheng,ZhangWancai,LiJinfaetal.ResearchandapplicationofsealingandpluggingtechniqueusingGSYhighwatercontentswellingdiageneticagent.PGRE,2004,11(3):74~75ByanalyzingthecasingdamagewellsinBinnanoilfield,acomprehensiveharnessmethodforitispresented.Ahigheffectivechemicalpluggingagentpluggedthedamagedpartofthecasing,soastoimprovetheinjectionproductionwellpatternandrestoretheproductivity.Basedontheinvestigation,aGSYhighwatercontentswellingdiageneticagentisdevelopedandthecorrespondingpluggingtechniqueisoptimizedinlaboratory.Thenthetechniqueisformed.Itisuptothedomesticleadinglevelindamagedcasingpluggingandhighpermeabilityformationblockage.Itisappliedfor17welltimesachievinggoodresultswith12069.55tofcumulativeincrementaloilproduction.Keywords:casingdamage,sealing,highwatercontentmaterials,sclerotium,permeability,BinnanoilfieldYouLongtan,SunMin,ZhangHongmeietal.MatchingmodeandapplicationofregulatingseparatestratuminjectionstringinXianhezhuangoilfield.PGRE,2004,11(3):76~78AimingattheshortlifetimeoftheregulatingseparatestratuminjectionstringinXianhezhuangoilfield,severalimprovedtechnologies,includingarchoringcompensatingstringtechnology,internationaldoubleslipstringtechnologyandmodernholddownstringtechnology,arestudied.Theworkingprincipleofthesetechnologiesisintroduced.Fieldapplicationsituationisevaluated.Itispointedoutthatthefuturedevelopmentoftheregulatingseparatestratuminjectionstringtechnologyistheholddownpressurebalancestringone.Keywords:separatestratuminjection,archorage,holddown,waterinjectionwellLuoYan.Specialoilwellpumpforsandproductionandheavyoilreservoirs.PGRE,2004,11(3):79~80Throughtheinvestigationintoconventionalpumpsappliedinsandproductionandheavyoilreservoirs,thecausesofconventionalpumpfailurearefoundout.Twokindsofspecialoilwellpumpsforthesetwotypesofreservoirsaredeveloped.Theirstructuresandfeaturesaredescribedindetail,andtheirtechnicaladvantagesareprovedbyoilfieldapplication.Keywords:specialoilwellpump,reservoircharacteristic,failurecause,feature&PetroleumGeologyandRecoveryEfficiency:EnglishAbstractsJune2004