钻井工程师lecture2

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1、RotaryDrillingSystemsIntroductionDrillingTeamDrillingRigsRigPowerSystemHoistingSystemCirculatingSystemPE3043-Page1IntroductionWhatwewanttodois:Tomakeahole!ButwehavetomakeiteconomicallyandsafelyPE3043-Page2ReadingAssignment:Chap1.PE3043-Page3Introduction---cont’dRotaryRigsActuallyMakingHo

2、leFortheweekending16August2002DatafromIADCrotaryrigreportPE3043-Page4Introduction---cont’dInternationalRotaryRigsRunningMonthlyAverageforJune2002DatafromIADCrotaryrigreportPE3043-Page5http://www.bakerhughes.com/investor/rig/excel/1987_2001_ANAVBYST.XLSPE3043-Page6http://www.bakerhughes.c

3、om/investor/rig/PE3043-Page7Fig.1.5---ClassificationofrotarydrillingrigsPE3043-Page8DrillatSeahttp://www.brookes.ac.uk/geology/8361/1998/jeff/datsea.htmlDrillingcrewshavetooperatethroughthedepthoftheseawatercolumn.Climates&EnvironmentsCorrosivetomachinesLimitedStoragespaceVesseldynamicpo

4、sitioningAnd,$$$PE3043-Page9DrillatSeaDrillingcrewshavetooperatethroughthedepthoftheseawatercolumn.Climates&EnvironmentsCorrosivetomachinesLimitedStoragespaceVesseldynamicpositioningAnd,$$$PE3043-Page10DrillatSeaPE3043-Page11DrillingRigsFromLefttoright,Landbasedoilexplorationrig,Platform

5、rig,Jack-uprig,Semi-submersible,DrillshipandanotherdeeperwaterSemi-submersible.PE3043-Page12Jack-upUnitAjack-upunitisabargewithlegsthatcanbeloweredorraised.Thebargeistowed tothedrillinglocationwithitslegsintheraisedposition.Onceinposition,thelegsarelowered.Whentheyreachthesea-bed,thebarg

6、e'sbodyishoistedabovethewater,creatingastabledrillingplatform.Thelengthofthelegsdeterminesthedepthofwaterinwhichajack-upbargecanbe used.Theycangenerallybeusedinupto100metersofwater.Jack-upbargesarewidelyemployedintherelativelyshallowwatersoftheNorthSea'sSouthernbasin.PE3043-Page13Semi-Su

7、bmersibleDrillingRigAsemi-submersibledrillingrigisnormallyaself-propelledworkingplatformsupportedbyverticalcolumnsonsubmergedpontoons.Byvaryingtheamountofballastwaterinthepontoons,theunitcanbe raisedorloweredinthewater.PE3043-Page14Semi-SubmersibleDrillingRigThelowerthepo