录井工程现场操作手册 MUD LOGGING OPERATION MANUAL.docx
三JDF)D三l三O½PreParedby:AHMEDABDELFATAHEDREES.ThemainjobsOfthemudIoRReraretotakeCareof:1- Geologicaljob.2- Drillingjob.3DrilIingfluids/GeolOmC(Iliob.Ihavetoberesponsiblefor:A) SamPling:Ishouldpreparetwosamples.Onedried,theotheriswetted.TheWettedsamplesareenclosedintospecificbags.Onbothofthetwosampleswewriteabovethemthreeinformation's.(ComPanyname,WeIlnameanddepthfromandto).Thesamplesmusthavebeenwashedandsievedtotakethefinestgrainstomakeathinsectionfromitandtodothesecondstepoftheresponsibility,whichis.B) DeSCriPIions:Itisdoneunderspecificmicroscopetoseetheoilshowsandtaketheotherdescriptionsoflithologicalpercentagesandproperties.2) DrilIin2:Wehavetotakecareofmanyofthedrillingparameterssuchas:A) Hookload:Thisistheloadonthehookthisisthesummationofthestrings,i.e.;thebitand(BHA)bottomholeassembly.B) WeightonbitIt,salwayscalculatedfromthehookloadanditsdecreaseonit.SinceiftheHLis500tonesandsuddenlybecame400tonesso-thisdifferenceisduetotheformationresistanceandthisiscalledtheWOB.Sand(lowestresistance)<shale<silt<lime<dolostone<anhydrite(highestresistance)ThehighertheFMresistance,thehighertheWOB.C) StalIdPiPePreSSIIreThisisthepressureofthepumpedfluidsinsidethepipesandhoses.ThisisrelatedhighlytotheSPM.D) CaSiIlgPreSSUre:Thisisthepressureofthepumpedcementintocasings.E) ROtaryspeed:Thespeedofrotationofthestrings,whichis9supportedeitherfromaboveontopdriveorontherotarytableonrigfloor.F) ROtarytorque:TheresistanceoftheformationtothedrillingandrotationofstringsThemoretheresistanceofformation,thehigherexertedtorque.G) PUmPspeed:Thespeedsofpumpingofmudinsidethepipes,whichdependonthenumberof,strokeperminuteoringeneraltheefficiencyofpump.NB;thediameterofthebitisthatofcaliberisthatoftheholeAndthecasingpipesaresmallerthanthem.IfthetorqueisveryhighandweincreasedtheRPMsotheremaybetwistingoffthedrillstring3) DrilIilI口fluids:A) Volume.B) MudWt(density)intoandoutfromhole.C) Mudtempintoandoutputfromthehole.D) Mudconductivity(resistivity)intoandoutputfromhole.Q:Whatarethesensorsthatfeelallthoseparameters?Thereare#3typesofthesensorssuchas:1- Pressuretransducer:ANALOUGE# Standpipepressuresensors.# Casingpressuresensors.# Hooksloadsensors.# Torquesensors.# Mudweightsensors.2- Pulsesensors:DIGITAL# Magnetsensors(SPM,RPM).# 1.imitsswitchsensors.ie;mechanical(RPM,SPM)# Drawworksensors.3- Ultrasonicsensors.(PVT)4- Tempsensors.5- Mudflowoutsensors6- Hydrocarbonsensors.7- Hydrogensulfidesensors.8- Conductivitysensors.9- Temp&mudweightoutsensor.SOmeODeratiOlIStakeDlaCeOnanys:DriHiilgprocess:It'sdividingupontheassemblywhichwerunninginholewithit,it'seither:a-Rotarydrilling.b-Slidedrilling.RotarydrillingSlidingdrilling1- Ranw/BHArotaassemblies.2- WithSUrfaCeandCqUalbitRPM.3- WithTRQreading.4- WithnormalSPPvalues.5- Weshouldchooseinsoftware(ROtarydrilli¾e)1- Ranw/BHAmotorassemblies.2- WithOillybitRPM.n。SUrfaCeRPM.3- WithoutTRoreading.4- WithhigherVaIlIeOfSPP.5- Weshoulduseinsoftware(ROtary&turbine)NB;Whenwemakesidetrackwell,itwillbetreatedlikeanewwellsovvewillcreateanewwellbythesoftware,writefileno1,runno1ButwewillstartcompletingthedepthfromthepointofCMTplugtillreachinganewFM,Wecallthispointatwhichthelithologychangescompletely"CMTto/FM(KICKOFFPoINT)Duetohighhardnessofthecementsothedirectionmanmaketimedri11inwinordertoletthebitescapesfromthatcementintothesofterlithologywhichistheformation.TheyoftenPOOHafterthatpointinordertochangethebit.# #Whenconnectiontakesplace:TheKellypositionisIarHerthanSTDlengthwithKellydownvalue(2ft).# #Whendepthisincorrect,gotodata如insoftwareandenterdepthcorrection,thenwritenewvalueoftotaldepthandclickonbitdepthalsotobeadjusted.AndtrytodothatwhenKellyisstopmoving.# #WhenthestandisonbottomwithspecificSPMthepressuredifferstosomeextentthanwhenitisoffbottomwithsameSPM.WASHandREAMING:IfsaprocessofwideningandcleaningtheholeafterthedrillingofeveryoneSTD.BymovingupanddownwithRPM,SPM# #WhenwemakePoMHandchangesbitoranylikethat,thenWeRIHweshouldchangerunn。andfileno,andentertheCeWbitdataorifitsrerunagain.# #ROPforrocksis:4uL疝a瓜TMQsmalt*nhydkNmXifm424hasntl# #ROTATIONPERMINUTEISDIRECTLYPROPORTIONALTOTHETORQUE.# #SUCtiontank;istheactivepit,whichdirectlyattachedtothepumps.# #Reservetank;isthetankforsavingadditionalquantitiesofmudifneededagain.# #Slugtank;isthetankforahighviscositymudpreparationsanditssmallvalue.# #Settling(sandtrap);it,slaybelowtheshaleshakerdirectlyandcanbedumpedtoporeifitisundesiredmudorcontaminated.# #Triptank;itstankusedwhenvvePOOHorRIHtoaddmudinsideholeorreceivesmudfromholerespectively,alsoit'svaryincapacitiesfrom40-80bblstosensehighlylossorgain.MUDCIRELATIONS:ACtiVCAiIkPUmKStaIIdDiPerc">mudhoseSWiVeKxStri而>annuluflowoutIiheShaIeShakeractivetank.BHA:->(bottonholeassembly),whichconsistsof(BnBlTSUB,DCSTABILIZER,DCJARXO,HWDP)Theoryofanypressuresensorissensitivediaphragmthataffe