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1、CHAPTER11ReadinesstoDri1.1.DEEPWATEROPERATIONA1.P1.ANNINGGenera1.Thebestdri1.1.ingoperationa1.p1.anseverconceivedandagreeduponwontso1.veprob1.emsunti1.p1.ansareputintoaction,i.e.zunti1.therigistakenonhireandWeHoperationscotttnence.Deepwater-Specificdri1.1.ing/operationa1.p1.ansz,wi1.1.detai1.whowi1.
2、1.dowhatzusingwhatzbywhen,whoandhow.P1.answi1.1.organizethetasksrequiredthatimp1.ementthedecisionstobemadeintherea1.wor1.ddistantfromtheonshoreprojectoffice,i.e.z(ittherigsite.Timing,personne1.,andotherresourcesmusthavebeenconsideredandchoreographedforaction.Setting1.osspreventionstandards,SMARTqua1
3、.ityandHSEtargets,p1.usfo1.1.ow-upmonitoring,assuranceandcontro1.mechanismsarevita1.toensurethatprojectoperationa1.p1.ansareproper1.yexecutedasp1.anned.MurphyfS1.awP1.anssha1.1.a1.waysconsiderMurphyzS1.aw:Thatvhichcangozrong,wi1.1.Nomatterhowwe1.1.wethinkwecanpredictthefuture,thinkthroughthesequence
4、ofdeepwaterdri1.1.ingtimes,materia1.,resourceandoperationsrequired,asthesesha1.1.rare1.ygoasconceivab1.yp1.annedinthisauthorsworkingexperience.Itisnecessarytoanticipatedri1.1.ingoperationa1.prob1.emsandprepareasbestasonecanforthem.Bestpracticemustinc1.udecontingentp1.anstoavoidMurphyzSworsteffects.I
5、sP1.anningWorththeTroub1.e?“Whybothertop1.anata1.1.2,tTheanswerissimp1.e;p1.ansassureindividua1.sandteamsarebetterpreparedandorganizedtoadaptandrespondwhenthingsgorightandwrong.Deepwateroperationa1.p1.anningmusta1.1.owfortime1.yrisk/changeadjustmentresponseandwisereactionsthatneedtoresu1.tversusarig
6、id,nonf1.exib1.epatternforthefuture.IvpuucDttghttps:ZMoiqWI 0. 10 i 6B97S4)X)4 02282500011Q4012019 Ekcvicr 1.ed. All rights reserved.Va1.ueofOperationa1.P1.anningVa1.ueofoperationa1.p1.anningisout1.inedinTab1.e1.1.Foreachdeepwaterdri1.1.ingproject,ticko仔theitemsthatbestassisttoimp1.ementthecorrectop
7、erationa1.decisionsandso1.utionstoresu1.tDri1.1.ingOperationsP1.anningCheck1.istPriortofina1.izingadeepwaterprojectsoperationa1.p1.ans,beforesubmittingthemforrigsiteapprova1.,eva1.uatetheseusingthep1.anningcheck1.istprovidedinTab1.e11.2.Checkingandtestingtheseagainstthe141.istedcriteria,projectandin
8、dividua1.scansimp1.ysensethere1.ativeeffectivenessandcomp1.etenessofdeepwaterp1.ansproposed.Note:Thebestp1.annersre1.igious1.yp1.aydevisadvocateIUiththeirdraftwork,andadjustitwhenevernecessaryunti1.ithasthehighestchanceofbeingexecutedwithoutahitch.TAB1.E11.1Va1.ueofDri1.1.ingOperationa1.P1.anningVa1
9、.ueofDri1.1.ingOperationa1.P1.anningAgreeRea1.isticactions1.Trans1.atedecisionsintorea1.isticactionsthatpersonne1.canidentifywithConcreteprograms2.Nai1.downabstractideasintoconcreteprogramsthatarcdeemedachievab1.eSpecificassignments3.Providespecificassignmentssoindividua1.sknowwhattodoandwhenC1.eare
10、xpectations4.Createc1.earexpectationssopersonne1.knowhowtheyaretobeeva1.uatedEffectivede1.egationMmitment5. Divideresponsibi1.ityforeffectivede1.egationinasimp1.erway6. Bmitmenttop1.ansCoordinateaction7.Crdinateactionandthuscontributetoteambui1.dingandteamworkEffectivefo1.1.ow-up8.Provide,effectivef
11、o1.1.ow-upmechanismsbymappingfuturefreecheckpointsObjectivemetricsDefinedresponsibi1.ity9. Estab1.ishabasisforobjectivemoremeaningfu1.andmeasuredresu1.ts10. Contributec1.earaccountabi1.itybyidentifyingwhoisresponsib1.eforWhatSavetime11.Savetimebycoordinatingactionandtrans1.atingdecisionsintotasksSup
12、portworkersPeop1.einvo1.vement12. Guidemanagementtoknowhowtobetter1.eadandsupportworkers13. Providemoreopportunitiesforpeop1.eandteaminvo1.vementinp1.anningEnsureresu1.ts14.Ensureresu1.tsarefocusingresourcesinthebestpossib1.ewaySource:KingdomDri1.1.ing2018.TAB1.E11.2DeepwaterDri1.1.ingOperationa1.P1
13、.ansCheck1.istCriteria:DoesYourDri1.1.ingOperationsP1.anningSpecify?YesNo1. Specificactions?(who,what,where,when,how)2. C1.earresponsibi1.ities,targetsandstandards?3. Rea1.istictimings?4. Rea1.isticresourceestimates?5. Acrdinatedsequenceofexecutab1.eactions?6. F1.exibi1.itytochange?7. Checkpointsfor
14、routinefo1.1.ow-up?8. Re1.iab1.emeasurementofresu1.ts?9. Requiredpersona1.deve1.opment?10. Correct1.yemphasizedpriorities?11. Feasib1.econtingencyp1.ans?12. Workab1.eagreementsfora1.1.invo1.ved?13. Area1.isticandworkab1.eprogram?14. Ahighprobabi1.ityofachievingdesiredresu1.tsandtargets?Source:Kingdo
15、mDri1.1.ing2018.READINESSTODRI1.1.Indeepwater,theassessmentofsha1.1.owhazardscanbegeneratedfromexistinghigh-reso1.ution3Dor2Dseismicratherthanfromadedicatedsha1.1.owseismicsurvey.Justificationnottoperformawe1.1.-specificsha1.1.owseismicsha1.1.bewe1.1.preparedbythesha1.1.owhazardsspecia1.istassigneda
16、ndsignedOffbytheassignedprojectmanagers.Whensurveysaretobeconducted,thefo1.1.owingshou1.dapp1.y.We1.bSpecificSiteSurveyAwe1.1.-specificsitesurveycanprovidevita1.datainputfortheStructura1.We1.1.Designanddeve1.opmentofoperationprocedureswithinwe1.1.programstomitigatepotentia1.seabed,sha1.1.owandenviro
17、nmenta1.hazards,andriskstoA1.ARP1.eve1.s.Tpanystandards,guide1.ines,andpracticesintermsofinformationacquisitionandassessmentrequired.1. Geophysica1.andgeotechnica1.sitesurveycontractorssha1.1.beaccreditedtotherequiredstandardsrequired,e.g.zISO9001orothersimi1.arstandards.2. Thesitesurvey(bothgeophys
18、ica1.,geotechnica1.,andenvironmenta1.)mustbecomp1.etedinasuitab1.etimeframesothattoa1.1.hazards,risk,andconcernsarefu1.1.yeva1.uatedandthatanyrequiredchangesto1.ocation,designs,oroperationscanbeaddressedandfu1.1.yimp1.ementedandmitigatedpriortostartingawe1.1.3. Forthesitesurveyoperationitse1.f,adesi
19、gnatedcompanyrepresentativegenera1.1.y:(a) Overseesthedataacquisitionprogramonsitetoensureitisconductedasp1.annedandinaccordancewiththecontractsworkscopetermsandconditions.(b) Assessestheinitia1.qua1.ityofthedataacquired,andensurestheymeetcompanyand/orindustrystandardortomanagechangesneeded,e.g.zreq
20、uestrepeatacquisitionorachangeofscopeif/asappropriate.(c) Reportsbacktotheoperationsbaseandteamonsurveyprogress,toadviseonanyanoma1.iesapparentduringdataacquisition.(d) Modifiesthep1.anneddataacquisitionprogramifjustifiedtofurtherinvestigateanycritica1.orunexpectedanoma1.iesorpotentia1.hazards.(e) M
21、onitorsdowntime1.ossorwasteresu1.tingduringsurveyoperationsandadvisesifthisistocompanyorcontractoraccountaspercontract.4. Theoperatorsoroperationsorprojectgeo1.ogist/geophysicistaregenera1.1.yresponsib1.eforcompi1.ingtheSiteSurveyAssessment.Thisdocumentwou1.ddetai1.a1.1.theinformationpertinenttoproj
22、ect-specificdeepwaterdri1.1.ingoperationsrequired.5. Theassignedpersonsmaya1.sousetheservicesofexterna1.independentconsu1.tantstoreviewandassessbothgeophysica1.andgeotechnica1.surveydata.ManagementandContro1.ofSiteSurveyOperationsAsitesurveyprogram,e.g.zsha1.1.owseismic,seabedc1.earance,geotechnica1
23、.coringand/orenvironmenta1.samp1.ing,invo1.vessevera1.operationsthatifnotproper1.ymanagedandcontro1.1.edcancreatefurtherhazardsandrisktopersonne1.andtheenvironment.Thesafetymanagementinvo1.vedisgenera1.1.ytheresponsibi1.ityofthevesse1.ownerwhosha1.1.assurethatoperationa1.safeguardsareinp1.acetominim
24、izerisks.Theoperatorrepresentativesthenaffirmthenecessarysafeguards,e.g.:1. Anadequatecontractorsafetymanagementsystemexistsandisbeingapp1.ied.Thisconfirmedpriortocontractaward,withauditscarriedoutasrequired.2. Necessaryoperatingandenvironmenta1.permits,approvedpriortooperationscommencing.3. Emergen
25、cyresponsep1.ansareverifiedtoexistforthevesse1.priortooperationscommencing.4. A1.1.eventsthatoccurduringthesurveymustbecomp1.iant1.yreportedandinvestigatedwithappropriateactionstoresu1.t.SiteSurveyAssessmentTheSiteSurveyappraisa1.sha1.1.bereadywe1.1.beforecommencingoperations,toprovideaconcisesummar
26、yassessmentofthesha1.1.owsoi1.andseabedconditionsandpotentia1.hazardsthatcanbeexpectedatthedri1.1.ing1.ocation.AdocumentoftenreferredtoasazyDri1.1.ingConstraintsAppraisa,ispreparedbyanindependentspecia1.ist,whointerpretsa1.1.thesha1.1.owseismicandgeotechnica1.informationpresented.ManagementofSiteSur
27、veyOperationsSitesurveyoperationsaremanagedbytheprojectbutsha1.1.requireinputfromthesubsurfaceanddri1.1.ingteams.Hereitiscritica1.thateachScopeofWorkisreviewedandapprovedbya1.1.invo1.ved,toconfirmthatthesurveyiscenteredonthecorrectwe1.1.1.ocation,area,andtheoperationa1.worktobecovered,p1.annedorexec
28、uted.Workrequiredmusta1.sobereviewedbytheprojectHSEQadvisortoensurea1.1.requiredenvironmenta1.,samp1.ing,orotherassociatedworkob1.igationsaremetandcomp1.iedwithtomeet1.oca1.1.egis1.ationandaddressa1.1.environmenta1.assessmentrequirements.Thecompanyrepresentativeonboardwi1.1.monitordataqua1.ityandacq
29、uisitionparameterstoensurethatthesurveymeetsrequirements.Personsassignedtomanagethesurveyoperationonaday-to-dayoperationa1.basissha1.1.reportdai1.ytotheassignedmanager.BathymetrySurveyAsitisimportanttohaveacontouredmapoftheseabed,eitherfrompub1.isheddatasuchasshippingcharts,orfromthe3Dandhigh-reso1.
30、utionseismicsurveystakenoverthe1.ocationofinterest.Abathymetrysurveywi1.1.measurewaterdepths,mapandidentifyseaf1.oorhazards,e.g.,unevenness,s1.opes,f1.uidexpu1.sionfeatures,andco1.1.apsetogenerateadetai1.edmappedchartfortheareaofinterestandidentifyhazardsorriskexposures.Examp1.e:Seabedtopography,ife
31、xtreme,canaffectmooringandcanraiseconcernsover1.ong-termStabi1.ityoftheoceanf1.oor.Whereasignificant1.ydippingseabedispresent,furthergeotechnica1.work,inc1.udingpenetrometertestingandboreho1.es,wou1.dbeassessedfor1.ongtermnotab1.yifproductionwe1.1.sorsubseainfrastructurearetobeinsta1.1.ed.Geophysica
32、1.andGeotechnica1.SiteSurveyRequirementsInareaswherethesha1.1.owsoi1.characteristicsarenotwe1.1.understood,andifhigherriskanduncertaintyexiststhatcou1.daffectwe1.1.operations,ageotechnica1.boreho1.eistheon1.yre1.iab1.emethodconsideredofobtainingappropriatesoi1.sdatatoadepthtobeab1.etodetermine1.oad-
33、bearingcapacities.Note:Itisimportanttoprovideprospectivedri1.1.ingcontractorswithre1.evantsiteandsoi1.sdataatthetimeofissuingtherigtenderinvitation.Tprisea1.ternatingsamp1.erecoveryandinsitutestingofthesoi1.propertiesasout1.inedinFig.11.1.Programscanbemodifiedasrequiredbyactua1.conditionstoensuretha
34、tthemostrepresentativedatasetisrecorded.Soi1.properties(mostcritica1.1.y,re1.ativedensityandundrainedshearstrength)canbeestimatedfromtheinsituconepenetrationtests(CPT)andadditiona1.1.aboratorytestsconductedontherecoveredcoresamp1.es.Theseparametersa1.1.areusedtoestimatepenetrationpotentia1.offoundat
35、ionandconductorstringandassesstherisksofs1.umpingandbroachingconductorsasdiscussedinChapter12ofthisguide.Geotechnica1.DataforConductorAna1.ysisForasing1.eexp1.orationwe1.1.,geotechnica1.sha1.1.owsoi1.dataextrapo1.atedfromseabedconepenetrometertests(CPIs)maybeadequatefordesignoftheconductorinsta1.1.a
36、tion.TheCPTdatawi1.1.beconsiderab1.y1.esscost1.ytoacquirethandeepgeotechnica1.coresastheycanbeacquiredusingastandardsurveyvesse1.asopposedtoneedingashipequippedtodri1.1.ageotechnica1.boreho1.e.Thedatamaybegatheredeitherdirect1.yorindirect1.yfromregiona1.offsetwe1.1.sorgeotechnica1.boreho1.esprevious
37、1.ydri1.1.ed.Ifnosuitab1.edataexists,thensha1.1.owgeotechnica1.risksha1.1.beassessed.Note:Geotechnica1.boreho1.eswithsha1.1.owcoresprovidethemostaccuratemethodofassessingsha1.1.owsedimentsandoperationa1.risksbutatahighercost.I1m Push samp1.e1 m Push sampleI1 m Push sampleSand/Si1.t3mCPT3mCPT1m Push
38、samp1.e1m Push samp1.e1m Push samp1.e3mCPT1m Push samp1.e1m Push samp1.e3mCPT1m Push samp1.e1m Push samp1.e3mCPT3mCPT1mPushsamp1.e3mCPT1mPushsamp1.e3mCPTFIG.1.Typica1.geotechnica1.boreho1.edri1.1.ingandtestprogram.Wheresha1.1.owsedimentsareunconso1.idatedmudandc1.aydominant,jettingoftheconductoris1.
39、ike1.ytobethemosteffectiveinsta1.1.ation.Ifgrave1.,si1.tand/orsandbedsorevenbou1.dersexist,e.g.zinNorthernAt1.antic,NOrWegianBarentsSeas,OffshoreGreen1.and,EastCoastofCanada,orotherdeepwaterregiona1.seabedinstanceswherehardgroundexistswithinthesha1.1.owsoi1.s,jettingisnotpracticab1.e.Dri1.1.ingawe1.
40、1.bore,runningandcementingaconductoristhenrequired.EquipmentandOperationsPriortoMobi1.izationInordertoassureadesiredSEE,safe,effective,andefficient,starttowe1.1.operationsonarriva1.,operatingvesse1.sarecommon1.ypre1.oadedwithtoo1.s,equipment,andresourcespriortoorduringtransitto1.ocationto1.oadupwith
41、a1.1.workscopeitemsneededtosetandde1.ivertheinitia1.riser1.esscasingstringphases,i.e.zuptoandinc1.udingthesubseaBOPandmarineriserinsta1.1.ation.Thissha1.1.dependonresourcesavai1.ab1.eandwhatcanphysica1.1.ybe1.oadeddependentupon: Rigtype(dri1.1.shipcancarryagreatdea1.morethanasemi) Transitdistance/du
42、rationofmove 1.owingdraftofsemisubmersib1.edri1.1.ingrig Expectedweatherconditions Mooringp1.an(doanchorshavetobebroughtontotherigdeckaspartofdep1.oyment) Peop1.eandequipmenta1.readyontherig(dri1.1.pipe,riser,servicecompanyunits,etc.) Peop1.e,systems,andequipmentneededtoconducttheinitia1.we1.1.,swor
43、kscopeTbmeettheseends,thedri1.1.ingcontractorsha1.1.beconsu1.tedear1.yinthewe1.1.preparationandprespudp1.anningphasesastohowmuchpeop1.e,variab1.edeck1.oadweights,vo1.umes,andcapacitiescanbecarriedforthegivenconditionspriortothetransitto1.ocation.Thep1.anning,dri1.1.ingengineers,supervisors,dri1.1.in
44、gcontractor;and1.ead3rd-partypersonne1.thenprioritizea1.1.resourcesrequiredtobepre1.oaded,e.g.: Anchoringandsupp1.yvesse1.s Extraanchors,pendant1.ines,buoys,andhardware Marinesurveyorsandequipment Mooringp1.anandequipment Exactsurface1.ocation Contractstobeavai1.ab1.erig-siteandunderstoodbya1.1. ROV
45、equipment(spaceandequipmentformanneddivinggear) We1.1.head,subseaequipment Casing,cement,mudmateria1.,equipmentassociateditemsanda1.1.accessories Jettingandsurfaceho1.eassemb1.ies Misce1.1.aneousequipment Permits-contingencyp1.ans,notifications,bridgingdocuments,emergencyprocedures Peop1.e(mud,cemen
46、t,Roywe1.1.head,surveyspecia1.ists,etc.)PriortoEstab1.ishing1.ocationTheoperatorsrepresentativewou1.dassurethatatcontractstarta1.1.vesse1.names,horsepowerratings,fue1.,1.ubeoi1.s,bu1.k,materia1.s,andequipmentaccompanyingtherigto1.ocationarerecordedandsignedoffonbyrespectiveowners.Omencementwou1.dinc
47、1.ude: Anchorwinchandmooringspecifics Mooringandstationkeepingmeetingwitha1.1.parties Prespudmeetingswitha1.1.personne1. Inventoryofa1.1.consumab1.esconducted,verified,andchecked Fi1.1.outinitia1.tourreport Startpreparingdri1.1.ingandki1.1.mudf1.uids Pickingupdri1.1.string,BHA,s(bottomho1.eassemb1.y)piperequirements(dependentonrigdraftandcranerequirementsastowhetherthisoperationcanoccurpriortothecomp1.etionofanchortensioning) We1.1.headpreparation,conductorstrings,runningtoo1.s,andanyassociateditemstobeused. ContinuewithBOPandcontro1.systemsreadiness,inspectionmaintenance,andrepair. Thewe1.1.