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1、石油勘探與開發(fā)2O13年12月PETROLEUMEXPLORAT10NANDDEVELOPMENTVo1.40No.6733文章編號:1000-0747(2013)06-0733—05DOI:10.11698/PED.2013.06.13中國油氣田開發(fā)分層注水工藝技術(shù)現(xiàn)狀與發(fā)展趨勢劉合,裴曉含,羅凱2,孫福超,鄭立臣,楊清海(1.中國石油勘探開發(fā)研究院;2.中國石油天然氣股份有限公司科技管理部)基金項目:國家高技術(shù)研究發(fā)展計劃(863計劃)項目“采油井筒控制工程關(guān)鍵技術(shù)與裝備”(2012AA061300)摘要:分層注水是實現(xiàn)油田開發(fā)長期高產(chǎn)穩(wěn)產(chǎn)的重要技術(shù)手
2、段。國內(nèi)已形成了“橋式偏心+鋼管電纜直讀測調(diào)”主體分注技術(shù),技術(shù)適應(yīng)性不斷提高和完善,滿足了常規(guī)注水井的開發(fā)需要。隨著水驅(qū)油田進(jìn)入高含水開發(fā)后期,注水井防砂、低配注量分層流量測試、高溫高壓井分層注水、大斜度井分層注水、分層注水實時監(jiān)測與控制等技術(shù)的研究成為分層注水工藝的發(fā)展趨勢,引領(lǐng)分層注水向自動化、智能化、一體化方向發(fā)展,以滿足不同油藏、不同井型條件下注水開發(fā)對分注工藝的需求,確保水驅(qū)油田的高效開發(fā)。目前在井下信號無線傳輸、流量監(jiān)測、動態(tài)水嘴調(diào)節(jié)等方面取得了階段性進(jìn)展,形成了注水井井下自動化、智能化基礎(chǔ)理論技術(shù)。圖6參22關(guān)鍵詞:分層注水;橋式偏心;鋼管
3、電纜測調(diào);注水井防砂;深井;高溫高壓井;大斜度井中圖分類號:TE357.6文獻(xiàn)標(biāo)識碼:ACurrentstatusandtrendofseparatedlayerwaterfloodinginChinaLiuHe,PeiXiaohan,LuoKai,SunFuchao,ZhengLichen,YangQinghai(1.PetroChinaResearchInstituteofPetroleumExploration&Development,Beijing100083,China;2.PetroChinaResearch&DevelopmentDepart
4、ment,Beijing100007,China)Abstract:Separatedlayerwaterinjectionisoneofthecrucialmeanstokeeplong—termhighandstableproductionofoilfield.“Bridgeeccentricity+steelcablemeasuringandadjustment”hascomeintobeingastheprincipalwaterfloodingtechnology,which,withimprovingadaptability,callmeett
5、heneedofconventionalwaterinjectionwells.Asthewaterfloodingfieldsenterhighwater-cutperiod,sandcontrolforwaterinjectors,separatedlayerflowratetestatlowinjectionrate,highpressureandhightemperaturewaterinjection,separatedlayerwaterinjectionforhigh-inclinationwellsandseparatedlayerwate
6、rinjectionmonitoringandcontrolwiltbethedevelopingtrend,directingwaterfloodingtowardsautomatization,intelligenceandintegrationtomeettherequirementsofwaterinjectionunderdiferentreservoirandwelltypeconditionsforthepurposeofensuringeficientoilfielddevelopment.Currentlyperiodicprogress
7、havebeenmadeindownholewirelesscommunication,flowratemonitoring,nozzledynamicadjustment,etc,formingthetheoreticalbasisforautomaticwaterflooding.Keywords:separatedlayerwaterflooding;bridgeeccentricity;steelcablemeasuringandadjustment;sandcontrol;deepwell;highpressureandhightemperatu
8、rewell;high-inclinationwell1分層注水技