提高墨西哥灣油氣產量的高效多相泵

1、Powerfulmultiphasepumpsfincreasedoil&gasproductionintheGulfofMexico提高墨西哥灣油氣產量的高效多相泵提高墨西哥灣油氣產量的高效多相泵JrgNarewskiSvenOlsonHansJrgenSchnerDr.MichaelRadkeAbstractDuringthepasttwodecadesmultiphasepumpsexperiencedgrowingaccepta

2、nce.Especiallytwinscrewmultiphasepumpswhichcoverawiderangeofflowratespressureshavefoundmanyapplicationsonageingmaturedoilfieldsbutalsoonrecentdiscoverieswithhighgascontent.Lowinstallationcostsgoalongwithsmalldimensionswh

3、ichmakestwinscrewmultiphasepumpsparticularlysuitableftheinstallationonoffsheplatfms.摘要摘要在過去的二十年多相泵逐漸獲得認可。尤其是涵蓋寬廣范圍流量和壓力的雙螺桿多相泵，已經(jīng)應用在很多邊際油田和成熟油田中，而且在最近發(fā)現(xiàn)的高氣體含量的油田中也應用了性能優(yōu)良的多相泵。低安裝成本同時小的安裝尺寸使得雙螺桿多相混輸泵非常適合安裝在海上平臺上。Introduct

4、ionSincethefirstdiscoveriesproductionofabundantoilwellsinthedleofthe19thcenturycrudeoilpetroleumgashavebeenfundamentalsourcesofmodernindustrialdevelopments.Asfeedstockfthechemicalindustrysourcefthegenerationofelectricale

5、nergyfuelfthedramaticallyincreasingmotizationoilgashaveconsiderablycontributedtoimprovedwealthinmanycountriesofthewld.Thesteadyriseofwldpopulationtheindustrialgrowthinemergingeconomiesresultsinincreasingdemfenergy.介紹介紹須建

6、立合適的基礎設施才能將這些油和氣成功地勘探和開采出來。現(xiàn)在在美國南部和中部已經(jīng)發(fā)現(xiàn)大量的新的油氣田。墨西哥和巴西豐富的資源儲備也將會保證多面國家能源儲備的充足。Alargenumberoftoday’soilfieldsarematuringfields.ThereservoirpressurehasdecreasedovertheyearsartificialliftbymeansofgaswaterinjectionESP’s(El

7、ectricalSubmersiblePumps)mustbeusedtobringthewellflowtothesurfacecreatesufficientpressuretooperateconventionalseparationequipment.Theuseofmultiphasepumpswiththeirabilitytooperateatverylowwellheadpressurescaneconomicallyi

8、ncreasetheproductionlifeofmaturedwells.現(xiàn)有的成熟油田已經(jīng)開采多年，由于油層壓力下降，必須通過注入氣體，水或者使用ESP(電脫潛水電泵)等人工方法提供足夠的壓力將井流輸送到傳統(tǒng)分離設備上。而多相泵具有可以在低井口壓力下運行的工作能力，從而能提高已開采油井的生產壽命，提高生產經(jīng)濟性。Manyoilproducingcountrieshavenotyetdevelopedsufficientinfras

9、tructurestousetheassociatedgasproducedasfeedstockautomotivefuelpowergenerationheatingpurposes.ThisgasisstillwidelyflaredventedafterseparationcontributessignificantlytotheglobalwarmingbyreleasingCO2–evenwseCH4–emissionsto

10、theatmosphere.Mostcountriesaretakingstatutymeasurestobanallflaringventingduringthenextfewyears.Multiphasepumpscontributetothesuccessfulachievementofthistargetbytransferringtheuntreatedwellflowtocentralizedtreatmentfacili

11、tieswerethepetroleumgascanbeeconomicallyprocessed.許多石油生產國還沒有開發(fā)足夠的基礎設施將生產出來的氣來作為汽車燃料，發(fā)電或供熱的原料。目前石油氣仍然廣泛用于燃燒用途，燃燒后的廢氣排放到大氣中廢氣中的CO2會大大增加使全球變暖的溫室效應的形成，更糟糕的是廢氣中的CH4也會排放到大氣中污染空氣。現(xiàn)如今大多數(shù)國家正在采取法律措施在未來幾年內來禁止所有石油氣燃燒和廢氣的排放。多相泵通過輸送未處

12、理的井流到集中處理施設，為使石油氣能夠經(jīng)濟的管理目標的成功實現(xiàn)做出了貢獻。Thetwinscrewpumpasmultiphasesystem雙螺桿泵作為多項系統(tǒng)雙螺桿泵作為多項系統(tǒng)Twinscrewmultiphasepumpsarerotarypositivedisplacementpumpsofdoublevolutedesign.Theyarehydraulicallybalancedwithnothrustloadsonthe