SeeAnnexAofAPISpecificationQ1or theAPIwebsiteforinformationpertainingtotheAPI MonogramProgramanduseof theAPIMonogramonapplicableproductsorforinformationabout the Monogram licensingprogram,pleasecontactcertification@. 有关API会标程序和API会标在适用产品上的使用的信息，或有关会标许可程序的信息，请参见API规范 Q1附录A或APl网站，请联系certification@. ForAPI MonogramProgram licenseesandAPIQRProgramregistrants,this standard shall bee effectiveon theprogramdateprintedonthecoverbut maybeusedvoluntarilyfrom thedateof publication. 对于API会标持牌人和APIQR注册人，本标准应自封面上打印的计划日期起生效，但可自发布之日起自 愿使用。
publisher or 12months from thepublication dateif an effective date is not specified. 同样关于API会标程序，对于第2节中列出的未注明日期的引用文件，新版本可在出版后使用，但在出版 商指定的生效日期或出版日期后12个月（如果未指定生效日期）成为强制性版本。
Contents Page 1Scope. 2Normative References..1 3Terms, Definitions, Abbreviations, and Symbols.2 3.1Terms andDeinitions..2 3.2Abbreviations and Symbols.. 4Conformance...11 4.1General llustration of Typical Drill Stem Elements..11 4.2ReferencestoAnnexes....12 4.3Dual Citing of References12 4.4Units of Measurement..12 4.5Marking of Threaded-only Rotary Shouldered Connections (RSC).12 5Upper and Lower Kelly Valves....13 5.1Genera...13 5.2Design Criteria.13 5.3Hydrostatic Testing..14 5.4Connections....16 5.5Non-destructive Examination of Connections.17 5.6Documentation and Retention of Records. 5.7Markin..18 5.8Supplementary Requirements.20 6Square and Hexagonal Kellys.20 6.1Size,Typeand Dimensions....20 6.2Dimensional Gauging..20 6.3Connections.21 6.4Square Forged Kellys.21 6.5Mechanical Properties..21 6.6Non-destructive Examination.22 6.7Marking.22 7Drill Stem Subs.24 7.1Class and Type..24 7.2Dimensions for TypeA and Type B.24 7.3Dimensions forType C(Swivel Subs).25 7.4Dimensions for Type D (Lift Subs).25 7.5MechanicalProperties....26 7.6Non-destructive Examination..27 7.7Connection Stress-relief Features.27 7.8Cold Working of Thread Roots..27 7.9Surface Treatment of Threads and Sealing Shouldersfor Galling..27 7.10Marking.27 8Drill Collars..32 8.1General.32 8.2Standard Steel Drill Collars..34 8.3Non-magnetic Drill Collars..36
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Contents Page 9Heavy-weight Drill Pipe (HWDP).40 9.1General.. 9.2Sizes..40 9.3Outside DiameterTolerances..41 9.4Tool Joint Alignment...41 9.5Bores...41 9.6Material Inspection Requirements...1. 9.7Connections...42 9.8Mechanical Properties.43 9.9Assembly.48 9.10Traceabilit.48 9.11Marking.. 9.12Hard-banding....48 10Driling and Coring Bits...51 10.1RollerBits and BladeDrag Bits.51 10.2DiamondDrilling Bits,Diamond CoreBits,PolycrystallineDiamond Compact(PDC)Bits.51 10.3Fixed CutterBits-Supplementary Requirements....54 11Stabilizers.55 11.1General..55 11.2MaterialRequirements..56 11.3Blade Welding.57 11.4Abrasion Protection.. 11.5Dimensional Requirements.57 11.6Connections andBevelDiameters..58 11.7Customer Information..59 11.8Marking.60 12Non-destructive Examination (NDE) of Bars and Tubes.61 12.1General..61 12.2Timing of Inspection.61 12.3Retention of Records.61 12.4Certification and Qualification of NDE Personnel..62 12.5Methods Capable ofFinding Surface-breaking Imperfections..62 12.6Evaluation of SurfaceBreaking Imperfections(Prove-up)..63 12.7AcceptanceCriteriaforSurface-breakingImperfections..63 12.8Methods Used toFind Non-surfaceBreaking Imperfections.64 12.9Reference Standards.66 12.10NDE SystemCapabilityRecords..67 12.11 Annex A (informative) Purchaser Inspection..69
.70 Annex C (normative) Tables in SI Units....75 ANNEX D (normative) Tables in USC Units....0 Annex E(informative)Procedures Used to Convert Units from USC to Sl.107 vi
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Contents Page Bibliography..112
Figures 1Typical Drill-stem Assembly.11 2Square Kelly...23 3Hexagonal Kelly..23 4Sleeve Gauge forKellys(seeTable C.8orTable D.8).24 5DrillStem Subs (Types A,B, and C).29 6Lift Subs (Type D....30 7Float ValveRecess inBit Sub. 8Drill Collars..39 9Drill Collar Slip Grooves.39 10Drill Collar Hard-band Locations..40 11Dimensions of HWDP.41 12TestSpecimen Location and Orientationfor HWDPTool Joints... 13Remended Hard-banding Locations on HWDP..50 14GaugeDimensionsforDiamondandPDCBits..53 15Measurement Definitionsfor Stabilizers..56 16Sampling Locations..57 17BladeTaper Geometry..59 18WatermelonGeometry.... B.1 Correlation between Significant Dimensions of Simple Solid Shapes of Length“Lto the Diameters ofRound Bars72 B.2 Correlation between the Significant Dimensions of Simple HollowParts and HollowParts with More ComplicatedShapes to theDiametersof RoundBars72
Tables B.1 Mechanical Properties and Testsfor HeavySectionTools.74 C.1 Hydrostatic Testing Pressures..75 C.2 Adjustment Factors for Impact Specimens.. C.3 Service Class Definitions..75 C.4 Square Kelly Drive Section.76 C.5 Square Kelly End Upsets and Connections...7 C.6 Hexagonal Kelly Drive Section..78 C.7 Hexagonal Kelly End Upsets and Connections..79 C.8 KellySleeve Gauge.80 C.9 Mechanical Properties andTest-New Kellys(AllSizes)..80 C.10 Drill Stem Subs.80 C.11 Minimum Surface Hardness of Dimensi...
