Abbreviation Detail+VE PositiveA/D Analog/DigitalAACE American Association of Cost Engineers AAR After Action ReviewABC Antecedents, Behavior, Consequences ABHD Abu Hadriya AramcoABJF Abu Jifan AramcoABL Alternate Borehole LinerABQQ Abqaiq AramcoABR Additional Budget RequestABSF Abu Sa'fah AramcoAC Alternating CurrentAC Alternating Current or Air Conditioning Aramco ACC Acceptable Ceiling Concentration Aramco ACD Above chart datumACGIH American Conference Of Governmental Industrial Hygienists AramcoACI American Concrete Institute AramcoACS Anti-Collision System AramcoACT Accident Control TechniqueACV Approved Contract ValueAD Assistant DrillerADM Arrow Diagram Method AramcoADS Applications Software Development System AEA Asia Emergency AssistanceAED Automated External DefibrillationAEDC Award Engineering/Design ContractAEIC Association of Edison Illuminating companies AELB Atomic Energy Licensing ActAEOS All Employees Opinion SurveyAFBMA Anti-Friction Bearing Manufacturers Association AramcoAFC Approved for Construction; Automatic Frequency Control AramcoAFE Authorisation for expenditureAFE Approval for ExpenditureAFIS Automated Fingerprint Identification System AFNOR Association Francaise de Normalization AGA American Gas AssociationAGC Automatic Generation Control; Associated General ContractorsAGMA American Gear Manufacturers Association AH Arabian Heavy Crude OilAH Along holeAHBDF Along hole below derrick floorAHBRT Along Hole Below Rotary Table Datum line from which measurements are takenAHBTHF Along hole below tubing head flange AHD Along hole depthAHORT Along hole original rotary tableAI Artificial IntelligenceAIMS Aramco IMS SystemAIO Area ID OfficeAISC American Institute of Steel ContructionAISOD Area Industrial Security OperationsDepartmentAITD Air Information Technology DepartmentAKO Adjustable kick-off sub (directional drillingtool)AL Arabian Light Crude OilALARP As Low As Reasonably PracticableAM Arabian Medium Crude Oil; Amplitude Modulation AMC Area Maintenance CenterAMRS Advanced Mobile Radio SystemANDR ' Ain Dar (Ghawar) AramcoANSI American National Standards InstituteANSI American National Standards Institute API American Petroleum Institute AramcoANSI American National Standards InstituteAramcoANSI American National Standards Institute(previous ASA)AOA Asian and Other Arab Employees Aramco AOB Any Other BusinessAOC Aramco Overseas Company AramcoAOSM Arab Organization of Standardization &Materials AramcoAOV Air Operated Valve AramcoAPD Automated Piping Design AramcoAPI American Petroleum InstituteAPL Annulus Pressure LossAPNE Apprenticeship Program for Non-Employee APP As per programmeAPP Arabian Project Proposal or AssociatedProfessional Program AramcoAPS Applications Software AramcoAR Automated RoughneckARP Asset Reference PlanARPR Annual Review of Petroleum ResourcesASA American Standards Association (now ANSI) ASA Anchor Seal Assembly1ASAP As Soon As PossibleASC Aramco Services Company in Houston ASCE American Society of Civil Engineers ASCII American Standard Code for Information Interchange AramcoASCL Acoustic Super Combo LogASHRAE American Society of Heating, Refrig. & Air Condit. EngineersASME American Society of Mechanical Engineers ASR Appraisal & Strategy ReviewASS Asset ManagementAssy AssemblyASTM American Society for Testing and Materials ASTM American Society-for Testing MaterialsAT Audit TeamATB All Trunks BusyAUP Average Unit PriceAVG AverageAVO Visa On ArrivalAWG American Wire GaugeAWO Additional Work OrderAWPA American Wood Preservers Association AWS American Welding SocietyAWWA American Water Works AssociationAzim Azimuth (compass bearing)B/D Barrels per dayB/H Bent housing (directional drilling tool)B/O Break outBA Breathing ApparatusBAA Business Alignment AreaBALS Baker Atlas Logging ServicesBB Budget Brief AramcoBBL Barrelbbls/d Barrels per daybbls/min Barrels per minuteBBS Behavior Based Safety (WFT)BCD Below chart datumBCOT Bintulu Crude Oil TerminalBDF Below derrick floorBDO Baram Delta OperationsBDT Bulk Data TransferBFO Beneficial OccupancyBG Back groundBGG Background gasBGT Borehole geometry toolBHA Bottom hole AssemblyBHC Borehole compensated sonic logBHCT Bottom-Hole Circulating TemperatureBHD (Type of packer)BHP Bottom Hole PressureBHP Brake horsepowerBHST Bottom-Hole Static TemperatureBHT Bottom hole temperatureBI Number Budget Item Number AramcoBIF Bintulu Integrated FacilitiesBIM Business Interface ManagerBISR Budget Item Summary Report AramcoBJ Blast jointBLC Big Lever ClubBLIND A Blank FlangeBO E xplosive service (back-off)BOE Barrel of Oil EquivalentBOP Blowout PreventerBOP Blowout Preventer （Prevention of gas blow out from well）BOP Blow out PreventersBOPD Barrels of Oil Per Day AramcoBOPE Blow Out Prevention EquipmentBOPs Blowout Preventer StacksBP Bridge plugBP Business PlanBPC Bean performance curveBPCD Barrels Per Calendar DayBPD Barrels Per DayBpf Blow per footBPH Barrels per hourBPM Barrels per minuteBPR Bottom Pipe RamBPS Bytes Per SecondBPV Back Pressure ValveBPV Backpressure valveBS Base sedimentBS & W Base sediment and waterBSI British Standards InstitutionBSIT Basit AramcoBSP Brunei Shell PetroleumBTFS Basic Training For SupervisorsBTI Big Ticket ItemBTM BottomBTM Business Technology MappingBTU, Btu British thermal unitBU Business Unit2BU Bottoms up (circulating)BU Build up (pressure, temperature, inclination) BUPs Business Unit PlansBUS Build up section (of a deviated well)BV Ball valveBWPD Barrels of Water Per DayC&C Circulate & ConditionC/R Change RequestC/R Construction/RepairC/w Comes withC2V Capital to ValueCA Capital AllocationCA Corporate AffairsCAD Computer Aided Drafting AramcoCADD Computer Aided Drafting & Design Aramco CALM Catamery anchor leg mooringCAMA Centralized Automatic Message Accounting CAO Certified Acceptance by OperationsCAO Computer applications for operationsCAO Computer assisted operations (Obsolete) CAPEX Capital Expenditure AramcoCAPO Computer assisted production operation CAPS Corrective Action Preventive SystemCAR Campaign Action RegisterCART CAM ActuatedCAS Chemical Abstract ServiceCAT Corrective Action TeamCB Control BuildingCBBL Core BarrelsCBD Competency Based DevelopmentCBHP Closed in bottom hole pressureCBHT Closed in bottom hole temperatureCBL Cemented Bond Log To test the integrity of the cementingCBP Country Business PlanCCC Commodity Classification Code Aramco CCEI Common Class Expansion Indices Aramco CCIR International Radio Consulative Committee CCIS Common Channel Interoffice Signalling CCL Casing collar locatorCCN Catalog Classification NumberCCO Current Cost OutlookCCOS Construction Camp Office ServicesCCR Continuing Certification RequirementCCS Computer and Communication Services CCSD Central Community Services DepartmentCD C hart datumCDC Central Dispatch CenterCDOI Communications Department OperatingInstructionsCDPNE College Degree Program for Non-Employee CDPP Circulating Drill Pipe PressureCDR Critical Design ReviewCDS Central Dispatch SystemCE Chief EngineerCE Capital EmployedCEC Change Evaluation CommitteeCEMA Conveyor Equipment ManufacturersAssociationCEO Chief Executive OfficerCEP Current Estimated PotentialCERCLA Comprehensive EnvironmentalResponse, Compensation, and Liability Act Aramco CERP Capital Expenditure Review PanelCESP Conceptual Estimate Scoping PaperCESR Computer Equipment Service RequestCET Cement evaluation toolCFP Capital Facilities PlanCFR Code of Federal Regulations (USA) Aramco cft Cubic feetCG Casing gun (shaped charge perforator)CGA Compressed Gas Association (USA)CGS Chevron Geothermal SafetyCGT Combustion Gas TurbineCGTG Combustion Gas Turbine GeneratorCHH Casing head housingCHP Casing head pressureCHS Casing head spoolCHT Casing head tensionCI Close(d) inCIBHP Closed in bottom hole pressureCIBHT Closed in bottom hole temperatureCIF Community and Industrial FacilityCIIP Condensate Initially In PlaceCirc CirculateCIS Contract Information System (now SAP)CIS Customer instrument serviceCITHP Closed in tubing head pressureCITHT Closed in tubing head temperatureCL, C/L Control lineCLFL Choke Line Friction LossesCM Capability Management/ Manager3CMC Crisis Management CentreCMC Chronic Medical Conditions Aramco CMC Carboxy methyl celluloseCMT CementCMT Crisis Management TeamCMT Construction Management TeamCNG Compressed Natural GasCNL Compensated neutron logCNPC China National Petroleum CorporationCO Change OrderCOB Close Of BusinessCoEs Centres Of ExcellenceCOMM OPS Communications Operations DepartmentCompl Complete(d), completionCONT, C ont’d ContinuedCOPES Cost Planning and Evaluation System CORAL Cost Reduction Alliance MalaysiaCOS Computer Operations and SupportCOSHH Control of substances hazardous to health COT Character Oriented TerminalCP Casing pressureCP Conductor pressureCP Conductor Pipe, Casing PressureCP&B Capital Programs & Budgets Aramco CPAR Corrective Preventative Action Request CPC Corporate Planning Committee Aramco CPC Computer production controlCPCP Communications and Process Computer PlanningCPD Corporate Planning DepartmentCPDS Control Pressure Drilling ServicesCPDT Control Pressure Drilling & TestingCPH Baker Oil Tools tie back packerCPO Corporation Planning OrganizationCPR Cardiopulmonary ResuscitationCPS Completion and Production Services Division CPU Central Processing UnitCR Company RepresentativeCRCC Contract Review and Cost ComplianceCRG Control Risks GroupCRP Commercial Review PanelCRS Computerized Reporting SystemsCRT Cathode Ray TubeCS Construction StartCSA Customer Service AgreementCSC CORAL Steering CouncilCSES Cable Sidedoor Entry SubCSF Critical Success FactorCsg CasingCSI Customer Satisfaction IndexCSL Computer Security LiasionCSO Complete Shut OffCSR Company Site RepresentativeCSSM Construction Support Services Material CST Casing seat testCSUD Construction Start-up DateCT Coiled tubingCT Check tripCTC Central Tender CommitteeCTD Coiled Tubing DrillingCTHP Closed in tubing head pressureCTHT Closed in tubing head temperatureCTI Cooling Tower InstituteCTS Composite Tubular SystemsCTS Construction Technical SupportCTT Cup type testedCTT Cup type testerCTU Coiled Tubing UnitCW, C/W Complete withCWOP Completing the well on paperCWP Contractor's Work PlanCYA Cover your arse (political astuteness and insurance…)D & I Diversity and InclusivenessD & O Development & OperationsD&WOOD Drilling and Workover OperationsDepartmentsD-A Digitial to AnalogDAQ Data AcquisitionDASD Direct Access Storage DeviceDAV Data Above VoicedB DecibeldBA Decibels using the A-Weighted scaleDBM Design Basis MemorandumDBSP Design Basis Scoping PaperDC Drill CollarDC Direct CurrentDCC Disaster Control CenterDCCS Drilling Cost Control SystemDCLM Direct Charge List of MaterialsDCS Distributed Control System4DD Directional DrillerDD Depth determinationDDD Direct Distance Dial AramcoDDM Data & Document ManagementDDOR Daily Drilling Operations ReportDDS Document Distribution SystemDEL Direct Exchange LineDEMA Diesel Engineer Manufacturers Association DEPCO Dammam Electric Power CompanyDF Drilling floorDFE Derrick floor elevationDHALPD Dhahran Area Loss Prevention Division DHYN Duhaynah AramcoDID Direct Inward DialingDIH Drilling Information Highway.DIL Dual induction laterologDIMS Drilling Information Management System Directional ( O ) Orientate Same as 'sliding' drilling Directional ( R ) RotateDIS Downhole and Industrial ScreensDLL Dual laterologDLS Dogleg SeverityDM Driller's MethodDNV Det Norske Veritas 挪威船级社DO Drop off section (in a deviated well)DOBIS/LIBIS Dortmunder Bibliothek system/Leuvens Integraal Bibliotheek SystemDOD Direct Onward DialingDOE Department of EnergyDOE Department of EnvironmentDOI U. S. Department of Interior AramcoDOL U. S. Department of Labor AramcoDOSH Department of Occupational Safety & Health DOT U. S. Department of Transportation Aramco DOX Direct Overhead Expense AramcoDP Drill PipeDP Dynamically PositionedDP Dial Pulse•5。