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Hydraulic feedback type thick pump
Thepumpmoveswiththehelpofthefeed-backforcewhenthepumpisoperatingsothepumpisverysuitableforsuckingheavycrudeoil.Thepumpcanworksmoothlyinaheavycrudeoilwiththeviscositysmallerthan4000centipoise.Thereisnostandingvalveinthepump.Itisnotnecessarytoinstalltheoildrainersindown-holeandthewell-testingandvapourinjectionoperationcanbedonewithoutliftingthetubingstrings. Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m）RangeofStroke（m）SizeofconnectingTubing（in）SizeofconnectingsuckerrodPumpconstant57/38 21/2TBGCYG191.9170/38 3TBGCYG223.9170/440.6～1.22.7～6.61.8～5.13TBGCYG223.3583/44 31/2TBGCYG255.6087/57 31/2TBGCYG254.25
Thepumpisapumpwithdoublebarrelsandasingleforceprinciple.Whentheupperbarrelandthelowerbarrelareworkingatthesametime，theupperbarrelworkwiththeannularspacethatformedwithdifferentdiametersbetweentheupperplungerandthelowerplunger，theupperoilflowintothespacethroughtheinflowvalveoftheupperbarrel，andflowoutthroughtheoutflowvalveoftheupperpump.TheloweroilflowintothelowerbarrelthroughtheInflowvalveofthelowerbarrel，andflowoutthroughtheoutflowvalveofthelowerbarrel，anduptothegroundmixedwiththeupperoil.Thepumpissuitableforseparatedlevelssuckingfromwell. Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m） SizeofconnectingTubing（in） RangeofStroke（m） Pumpconstant Sizeofconnectingsuckerrod Maxoutsidediameter（mm）57/38 27/8TBG 3.54CYG19 70/38 3TBG 5.54CYG22 70/440.6～1.22.1～7.53TBG1.2～6.06.10CYG2211683/44 31/2TBG 7.79CYG25 83/57 31/2TBG 9.14CYG25
Usingamechanicforcevalve，thetravelingvalveinthepumpcanbeopenedandclosedquicker.Theproblemofgaslockcanbepreventedefficientlybythiskindofpump，whichisrecommendedtobeusedinviscouscrudewells. Pumpbore（mm）Lengthofplunger（m）Lengthofbarrel（m）Rangeofstroke（m）PumpconstantSizeofconnectingsuckerrodSizeofconnecting（in）44 2.235CYG1927/8TBG570.6～1.23.0～7.52.0～6.03.694CYG1927/8TBG70 5.518CYG223TBG83 7.707CYG2531/2TBG
Theupperandlowerpumpwillworkatthesametime,theupperpumpwillworkusingtheannularspaceformedbythediameterdifferencebetweenupperplungerandlowerplunger.Theupperoilenterintotheannularspaceviaeccentricvalve,andthenexhaustbythedivertervalve.Theloweroil,whichenterintothepumpbarrelthroughtheinletvalveoflowerpump,andthenexhaustthroughoutletvalveofthelowerpump,willdischargetothegroundafterthedivertervalvemixedwiththeupperoil. Thepumpiswidelyusedforswabbingcrudeoilfrommultiplezone,whichcangreatlyimprovethesinglewellproductionandoilrecoveryefficiencyandreducetheproductioncost,hashighcomprehensiveeconomicbenefits. Pumpbore（mm）SizeofconnectingTubing（in）RangeofStroke（m）Conversiondiameter（mm）PumpconstantSizeofconnectingsuckerrodMaxoutsidediameter（mm）57/3827/8TBG 41.21.919CYG1911670/383TBG 58.83.908CYG2215070/443TBG1.2～6.054.43.345CYG2215083/4431/2TBG 70.45.602CYG2515083/5731/2TBG 61.34.248CYG25150
Medium exhaust double plunger anti-gas pump
Theareseveralslotsaroundthemiddleofthebarrel.Whentheplungerisintheuppermostposition，theslotspossessthefunctionofoilenteringandgasescaping.Thiscanincreasethefillingcoefficientandprevent“gas-lock“.Itisnotnecessarytoinstalltheoildrainersindown-holeandthevapour-injectionoperationcanbedonewithoutliftingthetubingstrings.Sothepumpissuitablefortheheavycrudeoilwellsandgaseouswells. Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m） RangeofStroke（m） SizeofconnectingTubing（in）PumpconstantSizeofconnectingsuckerrod44 2.235CYG19571.2+1.25.4～8.41.5～3.027/8TBG3.694CYG1970 5.515CYG22
Thepumpisaimprovedtypeofthehydraulicfeed-backpumpforheavycrudeoil.Notonlytheformeradvantageshavebeenremainedbuttheinflowvalvehasbeenchangedtobeaannularvalveinthiskindofpump，whichobtainsalargeflowareaandshortenstheinflowtubing，sotheinflowresistanceisdecreased.Inthemeantime，forusingalongplungerandashortbarrelinlowerpump，thephenomenonofsand-upcanbeefficientlyavoided.Thepumpissuitablefor7”casingwell，thepumpφ57/φ38maybeusedin51/2”casingwell. Pumpbore（mm）Lengthofplunger（m）Lengthofbarrel（m） RangeofStroke（m） SizeofconnectingTubing（in） Sizeofconnectingsuckerrod PumpconstantMaxoutsidediameter（mm）UpperPlunger（m）LowerPlunger（m）Upperbarrel（m）Lowerbarrel（m）57/38 21/2TBGCYG191.91 70/38 3TBGCYG193.91 70/440.6～1.22.4～7.23.0～7.80.6～1.21.8～6.03TBGCYG223.3514283/44 31/2TBGCYG255.60 83/57 31/2TBGCYG254.25
Double plunger series thick pump
Thispumpisaspecialpumpwhichhavetheconcentrativefunctionofsandcontrol、antiscaleandpreventgaslock.Theplungeradoptseparatedesignandbarrelhavethreesectionsofvariablediameterseriesdesign,thiscanreducetheriskofthesolidparticlesintoclearancewhichformedbythepumpbarrelandplunger,meanwhile,thiscanachievetheaimsofthepumpbarrelwallscrapingandplungersurfaceself-cleaningintherunningprocess;Strongopen-closetypevalvedesigncaneffectivelyreducethedownwardloadintheviscousmedium,thisdesignalsohavethefunctionofpreventgaslockatthesametime.Thepumpissuitableforthevarioustypewells,suchassandproductionwell,Includingscalewell,heavyoilwell,higngaswelletc. BasicType Pumpbore（mm） Lengthof plunger（m） SizeofconnectingTubing（in） RangeofStroke（m） Pumpconstant SizeofconnectingsuckerrodⅠseriesⅡseriesTubularpump4444.50.6/0.6730.6-62.235CYG195657.20.6/0.6730.6-63.694CYG197069.90.6/0.688.91.2-65.518CYG228382.60.6/0.6101.61.2-67.707CYG229595.30.6/0.6114.31.2-610.261CYG25
Thepumpismadebytheconnectionoftwopumpswhichhavethesamediameter.Middleofthetwopumpsissealed，therearemiddleoutflowandmiddleinflowvalvesinthespacebetweentwopumps.Featureofthepumpisitcandischargeoilnotonlyduringupstrokebutduringdownstroke，andsmallpumpandlargedisplacementcanberealized.Thepumpissuitableforthewellwherethereisanabundantliquidvolume. Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m） RangeofStroke（m） SizeofconnectingTubing（in） Sizeofconnectingsuckerrod Pumpconstant Maxoutsidediameter（mm） UpperPlunger（m） LowerPlunger（m） Upperbarrel（m） Lowerbarrel（m）570.90.93.7～5.23.3～4.82.1～3.63TBGCYG193.54114
Strong opening and closing reinforcement pump
Thetravelingvalveofthepumpisforcedon-off,thelargerrunnercontributesheavyoilproductionandcanpreventthepumpfrombeinggas-locked;Thestandingvalveismadeoftungstencarbidewhichmakesvalveon-offreliablyandtimely;Theouterbarrelcanpreventbarrelfromforminginprocessofoperationandproduction;Thebarrelcanadjustitscenterpositionwhichisapplicabletoslantholeandpreventitfrombeingstuck.Thepumpisapplicabletoproductionongashole，slantholeanddeephole（viscosityislessthan2000Mpa.s）. Pumpbore（mm）Lengthofplunger（m） Lengthofbarrel（m） Rangeofstroke（m）PumpconstantSizeofconnectingsuckerrodSizeofconnecting（in）Maxoutsidediameter（mm）44 2.235 27/8TBG88.9570.6～1.24.5～7.23.0～6.03.694CYG1931/2TBG10870 5.518 31/2TBG108
Long plunger steam injection thermal pipe primary pump
Thelongplungersteaminjectionthermalpipeprimarypumpcanrealizethesteaminjectionandtransferofthepipecolumnoperation,whichgreatlyreducestheoperationcost.Thenormalworkingprocessofthepumpisbasicallythesameasthatoftheordinarytubularpump.Whensteaminjectionisrequired,thesuckerrodcolumnandtheoilpumpplungerareloweredtothepositionofthepump,andthesteaminjectionpassageisopenedtoinjectsteam.Whenpumping,lifttherodofthesuckerrodtoacertainheight(1.2m+anti-shockdistance)tothelowerstartingpointofthepump.Afteradjustingthesystem,thepumpingoperationcanbeperformednormally. Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m） Sizeofconnectingtubing（in） Rangeofstroke（in） Pumpconstant Sizeofconnectingsuckerrod Maxoutsidediameter（mm）44 27/8TBG 2.23CYG1988.5574.2～7.81.2+1.227/8TBG3.0～6.03.69CYG1988.570 31/2TBG 5.52CYG22108
Steam injection thermal column pump
Steaminjectionpumpisdevelopedaccordingtothecharacteristicsoftheheavyoillifting,thedifferenceofthenormalworkprocessofthispumpfromthecommonpumpisthatitcanbeusedforspecialwellconditions,suchasdeviatedwellandhorizontalwelletc.Whensteaminjection,liftingthesuckerrod,theplungerwillliftaccordingly,whentheplungerishigherthanthesealedchamberabout200mm,thesteaminjectionholeofthesealingtubeandtheuppertubingstringwillbelinkedtogether,thussteaminjectionoperationcanbeachieved. Afterthecompletionofthesteaminjectionoperation,thesuckerrodfallback,theplungerwillalsobebacktoworklocation.Atthispoint,theplungerenterthepumpbarrelandsealthesteaminjectionhole,afteradjusttheimpingementdistance,suckerrodpumpsystemcanreturntotheworkingstate.Theoperationmodeofthiskindofpumpisthesameassubsurfacetubingpump. Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m） SizeofconnectingTubing（in） RangeofStroke（m） Pumpconstant Sizeofconnectingsuckerrod Maxoutsidediameter（mm）44 27/8TBG 2.233CYG1988.5574.2～7.81.2+1.227/8TBG3.0～6.03.692CYG1988.570 31/2TBG 5.515CYG22108
Strong opening and closing inclined well pump
Strongopen-closedeviatedwellpumpbyvirtueofthethrustofthespring,thevalveballisforcedtosetinthevalveseatsealingsurface,makethepumpcanworknormallyevenundertheconditionsofhorizontalstatus,whichsolvestheproblemthatthevalveballcan'tbacktoseatbygravitationalforceundertheinclinedorhorizontalworkstatus,.Thiskindofpumphassimplestructure,reliableperformance,lowoperationcost,highpumpefficiency,etc.whichiswidelyusedindeviatedwellandhorizontalwellproduction. Pumpbore（mm） 32384457708395LengthofPlunger（m） 0.6～1.5Rangeofstroke（m）3.0～6.0Pumpconstant1.141.6422.2353.6945.5187.70710.261Maxoutsidediameter （mm）89.590.1114.3118132.5
Thepumphasasimplestructureofastandingplungeandatravelingbarrel.Theflowpathofthepumpisdesignedandmanufacturedasastreamlinedstructure.Thesuckerrodofthepumpisdifficulttosplitandtheplungerhasadvantagesofcorrosion-resistingandwear-resistingandlongservicelife，soitisdifficultforsandwedgingandsanddepositinthebarrel.Thepompissuitableforserioussandywells. Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m） SizeofconnectingTubing（in） RangeofStroke（m） Pumpconstant Sizeofconnectingsuckerrod Maxoutsidediameter（mm）38 31/2TBG 1.63CYG19100441.14.5、6.631/2TBG4.5-62.19CYG1910057 4TBG 3.54CYG19108 or 114
Theinletvalveofthispumpappliesmechanicalopen-closestructure,whenthegasentersthepump,thepumpvalvecancompletetheopeningandclosingactionthroughpumpparts,andforcethegasintothepumpandexhaustouttocompletetheswabbingprocessalongwiththeoilflow.Thepumpovercomestheinfluenceofgasontheoutletvalve,preventstheimpactfromgasonpump,andavoidstheoccurrenceofthe“liquidimpact”phenomenon.Inletvalveadoptsstreamlinedflowstructure,reducestheresistanceofthecrudeoilintothepumpandlowertheevaporationofcrudeoildissolvedgas,reducetheeffectsofgasinsidethepumpbarrelonpumpefficiency,effectivelysolvestheproblemofhighgascontentwellexploration. Pumpbore（mm） FitClearance（mm） RangeofStroke（m） Stroke（times/min） Pumpconstant Depth（m） SizeofconnectingTubing（in）φ440.025～0.0881.2～6.03～92.2351800～200023/8TBG or27/8TBGφ570.025～0.0881.2～6.03～93.6941500～180031/2TBG
Thepumpapplieslargediameter,longstrokepumpbarrelandplunger,effectivelyimprovetheliquidproductioncapacity;Adoptthespecialon-offconnectorforlargepumptocompletetheon-offoperationbetweenplungerpumpandrodstring;Theupperoutletvalveandlowerplungerprocessedwithacutesandscrapingbladetoremovingthescalingandsandoftheinnerwallofpumpbarrelintheprocessofplungerreciprocatingmotion,thusreducingandavoidingthepumpsandstuck.Thisseriesofpumpissuitableforhightemperature,sandandotherspecialheavyoilwellandsuperheavyoil,andsuccessfullysolvestheproblemsoftheexploitationforsuperheavyoil. 径 Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m） RangeofStroke（m） Pumpconstant SizeofconnectingTubing（in） Sizeofconnectingsuckerrod Maxoutsidediameter（mm）φ108 13.17 124φ1201200120～8.016.4541/2TBGCYG25136φ140 22.06 153φ160 28.49 176
Thispumpappliesdoublepumpbarrelstructure,ontheup-stroke,theliquidcolumnstaticpressurewithinthestringactsonpumpbarrelouter-wall,undertheactionofthepressure,theclearancebetweenthepumpbarrelandplungerisreduced,thuscandecreasethelowpumpefficiencycausedbyleakage;Ondown-stroke,duetothebalanceofinternalandexternalpressure,itcaneliminatethephenomenonofbilgepump,thussignificantlyextendthefatiguelifeofpumpbarrel.Uniquedesignofplungeranti-stuckcaneffectivelysolvethemechanicalimpurityandslightpumpstuckproblemsinsandproducingwells.Thispumpismainlyusedforthinoilwellwhichtheconventionalliftingtechnologycannotproduceduetotheinsufficientformationfluidandlowpressurecauses,thewelldepthiscommonlybetween2600~3500m. Pumpbore（mm） RangeofStroke（m） Pumpconstant Sizeofconnectingsuckerrodφ28 0.90 φ323.0～6.01.16CYG19φ38 1.63 φ44 2.19
Thepumphasstructureofshortbarrelandlongplunger,andsanddepositeinthelowerbarrelandoilinflowfromsidedirection.Sothepumphasadvantagesofsand-wedgingprevention,sand-depositingpreventing,corrosionresisting,wear-resistingandlongservicelife.Thepumpissuitableforsandywellsorseriousmineralwells. Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m） Rangeofstroke（m） Pumpconstant Sizeofconnectingsuckerrod Sizeofconnecting（in） Maxoutsidediameter（mm）32 1.140CYG1923/8TBG7338 1.642CYG1923/8或27/8TBG73或89444.5～7.41.53.0～6.02.235CYG1927/8TBG8950 3.694CYG1927/8TBG8957 5.518CYG1927/8 or 31/2TBG10070 7.707CYG2231/2TBG114
Elastic sealed horizontal well pump
Thepumpappliesthemultistagesealingstructure,independenteachotheratalllevels,andstrongonstrongoff,hastheanti-gasfunction;Cancelthetravelingvalve,singlestagesealunitadoptsnon-contactelasticclearanceseal,thisstructurecannotonlydecreasethesealclearance,reduceloss,improvethepumpefficiency,andchangetherigidclearancebetweenordinarypumpplungerandpumpbarrelintoelasticclearance,toavoidthepumpstuck,andcanavoidsanddamageonthesurfaceofthepumpbarrelandplunger,prolongthepumpinspectioncycle;Thestandingcageisequippedwithguidebaffle, andundertheactionofthepushrodandthespring,thevalveballisforcedtoshutdown. Thepumpissuitableforvarioustypesofwellssuchassandproductionwells,highdeviatedwells,horizontalwells,highgaswells,heavyoilandsteamstimulationwells,steamdrivewells,deepwellsetc. Pumpbore（mm） Lengthofplunger（m） Lengthofbarrel（m） RangeofStroke（m） Pumpconstant SizeofconnectingTubing（in） Sizeofconnectingsuckerrod Maxoutsidediameter（mm）φ32 1.14023/8TBGor 27/8TBGCYG19φ73/φ89φ38 1.64223/8TBG or 27/8TBGCYG19 φ44 2.23527/8TBG or31/2TBGCYG19φ89/φ108φ571.54.5～8.73.0～8.03.69427/8TBG or 31/2TBGCYG19 φ70 5.51831/2TBG or4TBGCYG22φ108/φ121φ83 7.70731/2TBG or 4TBGCYG25 φ95 10.2614TBG or41/2TBGCYG25φ121/φ132
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