Drill Pipe Japan

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Drill Pipe Japan

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  • 2 Drill Pipe

    High quality Drill pipe and Tool joints

    Tenaris provides oil and gas customers with high quality drill pipe and tool joints for a wide

    variety of well profiles. Our complete offer includes corrosion-resistant and high-strength steel

    grades for demanding operations.

    Our drill pipes are available with outside diameters (ODs) ranging from 2 3/8to 5 7/8. We

    offer E-75 to S-155 grades, in accordance with API Specification 5DP as well as proprietary

    grades for more stringent requirements:

    Sour service grades: C95S and C105S

    High strength grades: S140 and S155

  • Drill Pipe 3

    Drill pipes are manufactured

    as part of an integrated

    process accomplished in fully

    equipped state-of-the-art

    facilities at TenarisNKKTubes.

    Drill pipes and tool joints

    are assembled by friction

    welding. After removal of

    weld bead, each heat affected

    zone is quench and tempered

    in a unique system to recover

    mechanical properties.

    Welded areas are inspected by

    UT and MPI.

    Investment in quality and

    technology is a permanent

    commitment at

    TenarisNKKTubes,

    which holds ISO 9001, ISO

    14001, and API 5DP

    certifications.

    All employees are fully

    instructed in the importance

    of quality and rigorous

    quality management systems

    are applied in our operations.

    All products are manufactured

    in accordance with customers

    specifications and the most

    demanding international

    standards.

    Upsetting of drill pipe

    Friction weld

    Long and smooth taper of internal upset

    Magnetic particle inspection (MPI)

    Heat treatment for the weld zone

  • 4 Drill Pipe

  • Drill Pipe 5

    In the case of API NC50,very high VME stress andcompression stress are foundnear external shoulder area.

    Pin:6 5/8" OD x 2 3/4" IDBox: 3 1/2" IDCircumferential make-up: 40 Degrees38,000 ft-lbs(51,500 N-m)

    Pin:6 5/8" OD x 2 3/4" IDBox: 2 3/4" IDCircumferential make-up: 20 Degrees61,900 ft-lbs(83,900 N-m)

    NK DSTJTM NC50 clearlyindicates improvedperformance in comparisonto standard API tool joint.

  • 6 Drill Pipe

    NK DSTJTM NC38 NK DSTJTM ST39

    Thread taper 2" per foot (1/6) 2" per foot (1/6)

    Threads per inch

    4 4

    Thread formsame as API NC38

    (V-0.038R)same as API NC38

    (V-0.038R)

    NK DSTJTM ST

    NK DSTJTM ST58 DesignNot interchangeable with API tool joint

    NK DSTJTM ST39 DesignNot interchangeable with API tool joint

    ComparisonComparison of NK DSTJTM ST58 and others

    Superior Torque Resistance & Improved Hydraulics compared to NK DSTJTM 5-1/2FH and API 5-1/2FH

    5-7/8 and 5-1/2 Drill Pipe with NK DSTJTM ST58 Tool Joint for ERD & Horizontal Drilling

    NK DSTJTM ST58

    NK DSTJTM 5-1/2FH

    Too

    l join

    t ID

    Too

    l join

    t OD

    NK DSTJTM 5-1/2FH NK DSTJTM ST58

    Thread taper 2" per foot (1/6) 2" per foot (1/6)

    Threads per inch

    4 4

    Thread formsame as API 5-1/2FH

    (V-0.050)same as API 5-1/2FH

    (V-0.050)

    NK DSTJTM NC38NK DSTJTM ST39

    Too

    l join

    t ID

    Too

    l join

    t OD

    NK DSTJ 5-1/2FH

    API 5-1/2FH

    NK DSTJ ST58

    Torque Comparison 7-1/4"OD x 4"ID

    66,900

    95,520

    53,000

    75,680

    0 20,000 40,000 60,000 80,000 100,000 120,000

    33,900

    56,420

    Torsional Yield Strength (ft-lbs) Make-Up Torque (ft-lbs)

    Suitable for ERD & Horizontal Drilling

    Superior Torque Resistance & Improved Hydraulics compared to conventional NK DSTJTM

    Similar Running Characteristics

    Same tooling and element gauges as API are available.

  • Drill Pipe 7

    Our WTTM tool joints are the perfect choice for unconventional drilling applications such as:

    * Wells that require high torque resistance

    * Horizontal and extended reach wells

    * Drilling in wells with reduced diameters and high circulation rates

    WTTM Drill Pipe FeaturesExceptional Torque Strength Combined with a Slimmer OD-ID Envelope Excellent for Top Drives

    Hydraulic efficiency is improved

    PIN

    Exceptional torque strength

    Stress created by torque

    Stress reduction grooves.

    Torque strength is independent

    The tapered, two-step thread profile

    Worldwide repair

    Tong length longer than shown. U.S. and foreign patents apply.

    A wear indicator

    Excellent for highly deviated

    Pipe body sealing capability

    Plastic coating

    BOX

  • 8 Drill Pipe

    Testing Facilities and R&DInvestment in R&D is a management priority at NKKTubes and throughout Tenaris. Through our testing center facilities in Japan, Italy, Mexico and Argentina.Tenaris develops proprietarydesigns to meet the widestand most demandingcustomer needs.

    TenarisNKKTubes iscontinuously conductinga variety of research anddevelopment programsaiming to produce higherquality drill pipes in order to introduce improvedproducts and technologiesthat will better serve itscustomers.

    All products are supportedby a worldwide network oflicensed repair shops withonline access to all relevanttechnical drawings andspecifications as well ashandling and running services from our experiencedteam of field engineers.

    Design Analysis using the FEA method.

    Full automatic tensile tester

    NACE TM-01-77 Method A constant tensile load testers

  • 10 Drill Pipe

    Manufacturing flow

    Heat TreatmentUpsetting

    Heating Piercing

    Cutting EMI

    Shipping

    Drill pipe

  • Drill Pipe 11

    Straightening NDI

    Mandrel Reheating

    Stretch reducingStraightening

    Weight & length measurement After welding

  • 12 Drill Pipe

    Tool joint Blank Turning & Boring Inspection

    Optional Hard-banding Optional Break-in

    Friction-Welding Bead cutting

    Inspection of weldGo on to the weight and lengthmeasurement process

    Manufacturing flow

    Tool Joint

    Process - Welding

  • Drill Pipe 13

    Austenitizing & Quenching Tempering

    ThreadingInspectionSurface treatment

    Stress Relief Inside turning of weld area

    Heat treatment(Quench & Temper)Outside finishing of weld

  • DRILL PIPE MECHANICAL PROPERTIES

    SPEC. GRADEYIELD STRENGTH TENSILE STRENGTH ELONGATION

    MINHARDNESS

    MAXIMPACTVARUE*

    MIN MAX MIN MAX

    Ksi (MPa) Ksi (MPa) Ksi (MPa) Ksi (MPa) % HRC ft-lbs (Joule)

    API 5DP E-75 75 (517) 105 (724) 100 (689) - API formula - 40 (54) X-95 95 (655) 125 (862) 105 (724) - API formula - 40 (54)G-105 105 (724) 135 (931) 115 (793) - API formula - 40 (54)

    S-135 135 (931) 165 (1138) 145 (1000) - API formula - 40 (54)NK

    series

    High

    Strength

    S140 140 (965) 165 (1138) 150 (1034) - API formula 39 80 (108)S150 150 (1034) 165 (1138) 160 (1102) 178 (1226) API formula 40 80 (108)S155 155 (1069) 170 (1172) 165 (1138) 183 (1261) API formula 42 80 (108)

    Sour

    Services

    C95S 95 (655) 110 (758) 105 (724) - API formula 26 110 (150)C105S 105 (724) 120 (827) 115 (793) - API formula 29 110 (150)

    SPEC. GRADEYIELD STRENGTH TENSILE STRENGTH ELONGATION

    MINHARDNESS IMPACT

    VARUE*MIN MAX MIN

    Ksi (MPa) Ksi (MPa) Ksi (MPa) % HB (HRC) ft-lbs (Joule)

    API 5DP 120 (827) 165 (1138) 140 (965) 13 Min 285 -

    NKseries

    HighStrength

    TJ130 130 (896) 150 (1034) 140 (965) 13 Min 301 40 (54)

    SourServices

    TJ110 110 (758) 125 (862) 120 (827) 13 (Max 30) 80 (108)

    TOOL JOINT MECHANICAL PROPERTIES

    DRILL PIPE SSCC RESISTANCE

    GRADE CRITERIA*

    % of SMYS

    C95S Pipe body 80/85

    C105S Pipe body 80/85

    TJ110 Tool joint 65

    DRILL PIPE AND TOOL JOINT CHEMICAL COMPOSITION, MASS FRACTION ( % )

    SPEC. GRADE C Si (Max) Mn P (Max) S (Max) Cr Mo

    API 5DP(Pipe body)

    (Tool joint)

    E- - -

    0.030 0.020- -

    X,G,S 0.020 0.015

    - - - 0.020 0.015 - -

    NK series

    (Pipe body)

    S140Max

    0.300.35

    Max

    1.000.020 0.015

    Max

    1.200.40~0.80S150

    S155

    C95S 0.25~0.30 0.35 0.40~1.00 0.020 0.015 0.80~1.20 0.20~0.80

    C105S 0.25~0.30 0.35 0.40~1.00 0.020 0.015 0.80~1.20 0.40~0.80

    NK series(Tool joint)

    TJ1100.25~0.40 0.35 1.20 0.020 0.015 0.80~1.20 0.25~0.80

    TJ130

    14 Drill Pipe

  • AVAILABLE SIZES AND GRADES

    SIZE NOMINALWEIGHT

    WALLTHICKNESS

    DRILL PIPE TOOL JOINT

    UPSET API 5DP NK SERIES* API NK DSTJTM NK DSTJTM ST WTTM

    E XGS

    C95SC105SS140S150S155in lb/ft in

    2 3/8 6.65 0.280 EU NC26 WT26, WT23, WT14S2 7/8 10.40 0.362 IU** WT26, WT23

    EU NC31 WT31, WT1453 1/2 9.50 0.254 IU**

    EU NC38 NK DSTJTM NC3813.30 0.368 IU** WT31, WT26

    EU NC38 NK DSTJTM NC38 WT3815.50 0.449 IU**

    EU NC38 NK DSTJTM NC38 WT38NC40 NK DSTJTM NC40

    IEU** WT314*** 14.00 0.330 IU NC40 NK DSTJTM NC40 NK DSTJTM ST39 WT31, WT38, WT39

    EU NC46 NK DSTJTM NC46 WT404 1/2 13.75 0.271 IU NC46 NK DSTJTM NC46

    EU