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發表於:2018-07-01
Thedescriptioncoversfull-hydrauliccoredrillingmachines,portabledrills,geo-thermaldrills,offshoreandbeachsamplingequipment,all-casingdrillingrig,etc.Whereoncetheill-fatedD...
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發表於:2018-05-01
Pneumaticcrawlerdrillrigisakindofrockdrillingequipmentinconstruction.「Itisappliedtoproductrequiringhighcorrosionresistance,goodweldabilityandmediumstrength,suchasnavalve...
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發表於:2017-08-17
Introducingintoairdrilling,nitrogendrillingandairpercussiondrillingwereappliedinPuguanguppercontinentalfaciesstratum;moreover,drilledsuccessfullyintoXujiahegroupstratum.F...
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發表於:2017-08-04
seadrillingplatformBasedonthefieldsurveysaboutthecantileverbeamsofthe"CPOE5"oil-drillingplatform,dangerousstressareasaredetermined.Minitypeseawaterdesalinationequipment...
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發表於:2018-08-29
InhibitingeffectmechanismofbiopolymerMEGdrillingfluid.GasdrillingfluidisoftenusedinUBDinlowpressureformation.Thesimulationtestandfielduseshowthat,thenewseparatorhasgoodpe...
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發表於:2016-10-31
Therehavethreedecisivequestionsneedtosolvewhiledrillinginsandgravellayer.Thefirstquestionisdrillingfootage.Fieldtestsalsoshowthattheself-resonatingcavitationnozzleishighl...
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發表於:2018-01-10
Thepaperalsopresentsmeasuresforpreventingdrillingholecurve,drillingtechniqueinbrokenzoneandfissurezoneandtechniqueofsealingholeandplugingloophole.Asectionbarofaselftappin...
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發表於:2024-01-13
1、developmentdrilling:Drillinginaknownproducingfieldasopposedtoexploratorydrilling.2、Netdepletionistheultimatedeclinecurveevenafterconductingmoredevelopmentdrilling,wor...
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發表於:2017-05-17
Lightsfromoffshoredrillingplatformstwinkledonthehorizon.ItremainstobeseenwhetheroffshoredrillingintheArcticcanbeanysaferthandrillinginbalmierwaters.Congresswillstiffenove...
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發表於:2017-03-21
Thestatus-quoofslimholedrillingtechnologyinChinaandtheworldTheslimholedrillingtechniqueshavebeenappliedtoSuligegasfield,Changqing,inordertoraiseintegraldevelopmenteffecti...
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發表於:2017-10-23
spark-erosiondrillingmachinehydrologicwell-drillingmachineboringslottingmilling&drillingmachineMitsubishiwirecuttingmachine,EDM,drillingmachines,grinders,millingmachines,...
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發表於:2018-12-15
Waterjetflowisoneofthedecisivefactorsfordrillingrateduringrockbitdrilling.InYanchangoilfield,seriouslostcirculationoftenoccurduringdrillinginPanlongandZichangareas,direct...
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發表於:2019-01-28
mobileoffshoredrillingrigSinceAugust21whentherewasanaccidentattheMontaraoffshoredrillingrig'swellhead,around403,000litresofoilhavebeenpumpedintotheTimorSea....
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發表於:2017-11-15
Theworkmanisdrillinginthewall.Exploratorydrillingisexpectedtogetunderwaysoon.Onthebasisofoptimizedvibratiledrillingmono-materialtest,theoptimizedvaluevariableparameteriss...
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發表於:2017-11-08
Hardmetal(carbide)forgeologicalexplorationdrillingtoolsRosneftexecutivessaytheirexplorationdrillingwillnotstirupradiation.Thesystemcanprovideeffectiveguidanceforenhancing...
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發表於:2017-06-12
ApplicationofpolarstereographicprojectioninthewelltrajectorydesignandcalculationofdirectionaldrillingMagnesiumribbonanodesareinstalledinradialpatternbeneaththetankbottomb...
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發表於:2018-10-25
OnapplicationofrotarydrillingriginfoundationholesofboredpilesonbridgesTherotarydrillingrigexcavationinYingbinRoadstationmeansthestartofthestationenclosureconstruction....
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發表於:2017-03-20
developmentdrilling:Drillinginaknownproducingfieldasopposedtoexploratorydrilling.EventheBadlandsGuardian,itseems,isn'timmunetoexploratorydrilling.AlltrapsaroundNiuxintuo...
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發表於:2018-09-14
Manytechniquesareappliedtoadjustmentandtappingpotentialincludingdirecteddrilling,sidetrackdrillingtechniqueandhydrodynamicmethods.Positivedisplacementmotoriswidelyusedins...
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發表於:2018-06-14
Theutilitymodelrelatestoapumpvalveofawelldrillingmudpump.Thecontrolpodwillopenthevalvesthatallowthedrillingmudtobeforcedintothewell.AboveittheQ4000rigandthreeattendantves...
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發表於:2018-11-06
Thispaperdiscussedtheimportanceofprecisiondrillinginhigh-yieldcultivationtechniqueofwinterwheat.Effectsofbroadcastsowingandprecisiondrillingofsuperriceseedonseedlingquali...