道达尔培训讲义.ppt

TotalProfesseursAssoci s Presentation JeanBERACUPB Oct2008 DRILLINGACTIVITIESDrilling why When TheParticipantsDrillingactivitiesandsafetyDrillingengineeringDataacquisitionDirectionalwellsHP HTwellsDeepwaterWellsforheavyoilOffshoredrillingunitsanddeepwateractivitiesDrillinghazardsThecosts OVERVIEWONDRILLINGACTIVITIES WHY Tofindandproducehydrocarbonssafelyandinaneconomicmanner Awellisaholethatisdrilledthroughtheearthandcompletedtoflowoilorgasfromthereservoirbeneaththeearthtothesurface WHEN seismicdataacquisition geophysical geological reservoirinterpretationandstudies then OVERVIEWONDRILLINGACTIVITIES Exploration Appraisal Pre project Development Production Abandon Development Fieldlife Exploration Drilling s Logs tests Drilling s Logs tests Preengineeringstudies ConstructionactivitiesDrilling s Logs tests WellservicingWellInterventionsInfielddrilling s Well s P ADecommissioning Drillingactivities Source illustrations TOTAL OVERVIEWONDRILLINGACTIVITIES NOC OVERVIEWONDRILLINGACTIVITIES TheParticipants HealthSafetyEnvironmentprotection DRILLINGACTIVITIES participants Offshoreoronshoreactivities Remoteareasorpetroleumwellsupportedareas Personnelwithmultiplenationalities cultureandskillsdifferences OILCOMPANY IES OIL SERVICECOMPANIESVENDORSOTHERS insurances THIRDPARTIES thecontextofdrillingactivities DRILLINGACTIVITIES OVERVIEWONDRILLINGACTIVITIES DRILLINGACTIVITIES technics equipment but beforeallEngineers technicians whohaveaverygoodUniversityorSchooldiploma whoknowtoworkinateam together whoareabletoworkwithdifferentpeople nationalities knowhow whoarereadytofacehighresponsibilities whorecognisethatexperiencesarea must OVERVIEWONDRILLINGACTIVITIES DRILLINGACTIVITIESDrilling why When TheParticipantsDrillingactivitiesandsafetyDrillingengineeringDataacquisitionDirectionalwellsHP HTwellsDeepwaterWellsforheavyoilOffshoredrillingunitsanddeepwateractivitiesDrillinghazardsThecosts OVERVIEWONDRILLINGACTIVITIES HazardsidentificationandconsequencesAparticularconsiderationwillbegiventoexplorationdrillingactivitiesasoperationsareoftenconductedinisolatedenvironmentDrillinghazardsmayhaveanimpacton personnelaccident environmentalpollutiondamage damagetoequipmentandfacilities THEHUMANDIMENSIONWILLALWAYSBETHEMOSTIMPORTANT DRILLINGACTIVITIESANDSAFETY DRILLINGACTIVITIESANDSAFETY DRILLINGACTIVITIESANDSAFETY DRILLINGACTIVITIESDrilling why When TheParticipantsDrillingactivitiesandsafetyDrillingengineeringDataacquisitionDirectionalwellsHP HTwellsDeepwaterWellsforheavyoilOffshoredrillingunitsanddeepwateractivitiesDrillinghazardsThecosts OVERVIEWONDRILLINGACTIVITIES Geology Reservoir Production Otherdepartments economics purchasing Drilling Geophysics Source Illustrations TOTAL Logistics DrillingEngineering Operations DRILLINGACTIVITIES ATEAMWORK Confirmwellobjectives discussconstraints options Wellobjectives Preliminarywellarchitecture Preliminarywellcost S 12 S 10 S 7 S 8 S 9 S 3 S 4 S 5 S 6 S 1 S 2 Logistics EXPLORATIONWELL DRILLINGCAMPAIGNPREPARATION Environment WellPrognosisReport Wellengineeringstudies LLI drillingunit WellDrillingProgramme Mobilisationofdrillingteam Drillingservices Finalbudgetapproval Drillingoperation wellspud Pre spudmeeting RiskAssessmentstudies DRILLINGACTIVITIES DRILLINGCAMPAIGNPREPARATION OVERVIEWOFWELLENGINEERINGSTUDIES Mudplanning Completionplans Holegeometryselection Casingsettingdepthselection Fracturegradientprediction Porepressureprediction Datacollection Drillstringdesign Cementplanning Drillingbitprogramme Casing tubingdesign Rigsizingandselection Drilltimeprojections Cost budgetestimation OVERVIEWOFWELLENGINEERING Rockmechanicstudies Conductorpipe Christmas tree Surfacecasing Tubing completion Wellhead BOP s reservoir Intermediatecasing Productioncasing Drilling completionprocess DRILLINGACTIVITIES Wellconstruction formationporepressuregradient LOT Formationfracturepressuregradient LOT Formationpressure Mud Mudhydrostaticpressure Source illustrations TOTAL mudweightwindow Mudweight E MWppg DRILLINGACTIVITIES Engineering basicsstudies Drillingbit Drillstring Drillingfluids drillingmud Drillingfluids drillingmuds MAINFUNCTIONSOFDRILLINGFLUIDS holecleaning maintainholeintegrity controlformationpressures transmissionofdirectionaldrilling orgeologicaldata transmissionofpower coolingthedrillingbit and mudsshouldminimiseformationdamage DRILLINGACTIVITIES Drillingfluidsstudies Rollerconebits DRILLINGACTIVITIES Drillingbitstudies Adiamondbit Acorebit DRILLINGACTIVITIES Drillingbitstudies Movingonlocation Drilling tripping Logging casing cementing wellhead equipmenttests coring Logging P Aor Logging casing DST TAor Logging prod casing completion depth 0 days Mainactivitieswhiledrilling onedrilledsection Drillingprogress Timeto drill thesection DRILLINGACTIVITIES THEDRILLINGCURVE REMEMBER Makesuretoperformasufficientnumberofengineeringstudiesintheplanningprocesstoeliminate wasted time non productive time searchforandselecttherighttechnologyandfieldproventools evaluate selectandworkwithContractors select trainpeopleandmakethemworkingtogether assessthe plan do measure learn loop REMEMBER HIGHBENEFITSOFEARLYENGINEERINGSTUDIESand HIGHOVERCOSTSIFALACKOFPROPERENGINEERINGSTUDIES OVERVIEWOFWELLENGINEERING DRILLINGACTIVITIESDrilling why When TheParticipantsDrillingactivitiesandsafetyDrillingengineeringDataacquisitionDirectionalwellsHP HTwellsDeepwaterWellsforheavyoilOffshoredrillingunitsanddeepwateractivitiesDrillinghazards