- InhibitingeffectmechanismofbiopolymerMEGdrillingfluid.GasdrillingfluidisoftenusedinUBDinlowpressureformation.Thesimulationtestandfielduseshowthat,thenewseparatorhasgoodperformanceinseparatinggasfromdrillingfluid,itcanmeetthedemandofunderbalanceddrill...
- 16879
- mobileoffshoredrillingrigSinceAugust21whentherewasanaccidentattheMontaraoffshoredrillingrig'swellhead,around403,000litresofoilhavebeenpumpedintotheTimorSea....
- 12093
- Manytechniquesareappliedtoadjustmentandtappingpotentialincludingdirecteddrilling,sidetrackdrillingtechniqueandhydrodynamicmethods.Positivedisplacementmotoriswidelyusedinsidetrackdrillinginsidecasingbecauseofitsexcellentdynamiccharacteristic.Thesoundn...
- 31166
- Hardmetal(carbide)forgeologicalexplorationdrillingtoolsRosneftexecutivessaytheirexplorationdrillingwillnotstirupradiation.Thesystemcanprovideeffectiveguidanceforenhancingexactnessofbitfailureanalysis,improvingbitdesignandevaluation,andselectingproper...
- 13448
- Thedescriptioncoversfull-hydrauliccoredrillingmachines,portabledrills,geo-thermaldrills,offshoreandbeachsamplingequipment,all-casingdrillingrig,etc.Whereoncetheill-fatedDeepwaterHorizondrillingrigfloatedinsolitarysplendour,therearenowtwosimilarrigs,a...
- 4274
- Lightsfromoffshoredrillingplatformstwinkledonthehorizon.ItremainstobeseenwhetheroffshoredrillingintheArcticcanbeanysaferthandrillinginbalmierwaters.Congresswillstiffenoversightofoffshoredrillingandboostthepenaltiesforlapses.Thedecisionwasanunfavorabl...
- 19453
- Thestatus-quoofslimholedrillingtechnologyinChinaandtheworldTheslimholedrillingtechniqueshavebeenappliedtoSuligegasfield,Changqing,inordertoraiseintegraldevelopmenteffectivenesstoreducedevelopmentcost....
- 11570
- Thispaperdiscussedtheimportanceofprecisiondrillinginhigh-yieldcultivationtechniqueofwinterwheat.EffectsofbroadcastsowingandprecisiondrillingofsuperriceseedonseedlingqualityandeffectivenessofmechanizedtransplantingAmemberofaFrenchinfantryunit,formerly...
- 23550
- seadrillingplatformBasedonthefieldsurveysaboutthecantileverbeamsofthe"CPOE5"oil-drillingplatform,dangerousstressareasaredetermined.Minitypeseawaterdesalinationequipment,Appliedtothewarship,oceanfishingvessel,offshoredrillingplatformandisland.Thefin...
- 5844
- Pneumaticcrawlerdrillrigisakindofrockdrillingequipmentinconstruction.“Itisappliedtoproductrequiringhighcorrosionresistance,goodweldabilityandmediumstrength,suchasnavalvessel,automobile,airplane,low-temperatureequipment,televisiontower,drillingequipm...
- 25888
- Therehavethreedecisivequestionsneedtosolvewhiledrillinginsandgravellayer.Thefirstquestionisdrillingfootage.Fieldtestsalsoshowthattheself-resonatingcavitationnozzleishighlyeffectiveinreducingbitwear,increasingdrillingfootageanddrillingspeed.Thetotalco...
- 9819
- Theworkmanisdrillinginthewall.Exploratorydrillingisexpectedtogetunderwaysoon.Onthebasisofoptimizedvibratiledrillingmono-materialtest,theoptimizedvaluevariableparameterisselectedforvibratiledrillingtesloftwokindslaminatedmaterials.Foryearsthenaturalga...
- 20300
- Theutilitymodelrelatestoapumpvalveofawelldrillingmudpump.Thecontrolpodwillopenthevalvesthatallowthedrillingmudtobeforcedintothewell.AboveittheQ4000rigandthreeattendantvesselshave50,000barrelsofpeculiarlyheavydrillingmudandpumpscapableofproviding30,00...
- 6866
- 1、developmentdrilling:Drillinginaknownproducingfieldasopposedtoexploratorydrilling.2、Netdepletionistheultimatedeclinecurveevenafterconductingmoredevelopmentdrilling,workoverandotherexpenditurestoincreaseproduction....
- 18137
- Introducingintoairdrilling,nitrogendrillingandairpercussiondrillingwereappliedinPuguanguppercontinentalfaciesstratum;moreover,drilledsuccessfullyintoXujiahegroupstratum.Foralongtime,theyusedpercussiondrilling-whichbasicallymeanstheyhammeredawayattheg...
- 25442
- Waterjetflowisoneofthedecisivefactorsfordrillingrateduringrockbitdrilling.InYanchangoilfield,seriouslostcirculationoftenoccurduringdrillinginPanlongandZichangareas,directlyaffectdrillingrate.Usingthismodel,usingpatternrecognitionmethodcanbecarriedout...
- 9250
- OnapplicationofrotarydrillingriginfoundationholesofboredpilesonbridgesTherotarydrillingrigexcavationinYingbinRoadstationmeansthestartofthestationenclosureconstruction....
- 32307
- ApplicationofpolarstereographicprojectioninthewelltrajectorydesignandcalculationofdirectionaldrillingMagnesiumribbonanodesareinstalledinradialpatternbeneaththetankbottombydirectionaldrillingandthenconnectedelectricallywiththebottom.Thecasestudyofnon-...
- 27847
- Thepaperalsopresentsmeasuresforpreventingdrillingholecurve,drillingtechniqueinbrokenzoneandfissurezoneandtechniqueofsealingholeandplugingloophole.Asectionbarofaselftappingscrewforsavingdrillingholeisprovidedwithhigh-tighteningforce,whichbelongstothed...
- 14236
- developmentdrilling:Drillinginaknownproducingfieldasopposedtoexploratorydrilling.EventheBadlandsGuardian,itseems,isn'timmunetoexploratorydrilling.AlltrapsaroundNiuxintuohavebeenevaluatedand3favorabletrapsareconsideredtohaveexploratorydrillingpotenti...
- 14985
- spark-erosiondrillingmachinehydrologicwell-drillingmachineboringslottingmilling&drillingmachineMitsubishiwirecuttingmachine,EDM,drillingmachines,grinders,millingmachines,drillingbed;Thenewconedrillingmachineisnewmachinekindwhichdevelopaccordingtowate...
- 27376