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Oilfield Tubulars (OCTG)

Tubing pipe size:

OD:  1.050inch - 4-1/2 inch

Casing pipe size:

OD:  4-1/2inch - 20inch

Drill Pipe

 API 5DP, 2-3/8’’~6-5/8’’, E75/X95/G105/S135.

Coupling

 API 5CT, 1.9’’-20’’, K55/N80/L80/P110, STC/LTC /BTC

Standard & Material:

API 5CT H40, J55, K55, M65, L80-1, N80-1, N80Q, C90, P110, Q125

Tubing pipe end:

P—plain-end, N—non-upset, with threaded and coupled, U—external-upset, with threaded and coupled, I—whole joint or other special threads

Casing pipe end:

P—plain-end, S—short round thread, L—long round thread, B—buttress thread or other special threads

Drill Pipe:

API SPEC 5DP E75, X95, G105, S135

Pipe Length:

R1, R2, R3 or based on client’s requirements

Additional Products:

Pup joint, Coupling and other OCTG related products

Our advantage:

Rich experienced: Marketing /production/after-sales team, our partners :PDVSA, NIOC, SINOPEC, CNPC.etc

Flexible payment term: T/T. L/C at sight.

Quantity Control: 30,000 tons stockist each year,with 3,0000 square meters warehouse,Strict quality system: Complemented system including QC, logistics and documentation,Authoritative organizations.


  • API 5CT Casing Pipe

    API 5CT Casing Pipe


    Dimension:OD: 114.3-508mm WT: 5.21-16.13mm

    Grade:Casing：J55, K55, N80-1,N80-Q, L80-1, L80-9Cr,L80-13Cr,C95, P110,Q125.

    Thread types:STC,LTC,BTC etc


    Standards and Technical Conditions for Supply:API Spec 5CT – Specification 5CT/ISO 11960, Specification for Casing and Tubing, Eighth Edition, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells 

    Casings are used for fixing the well wall or down hole, which have wider diameters, can he divided into conductor casings, technical casings and Oil casings. 


  • API 5CT Tubing

    API 5CT Tubing

    Dimension:OD 48.26-114.3mm WT 3.18-16mm

    Grade:JSS, N80-1,N80-Q, L80-1, L80-9Cr,L80-1,C90, T95, C95, P110 .

    Thread types:NUE,EUE etc. 

    Standards and Technical Conditions for Supply:API Spec 5CT – Specification 5CT/ISO 11960, Specification for Casing and Tubing, Eighth Edition, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells

    Tubing are used as pipe to transport crude oil or natural gas from layer of the oil to surface, can hear better pressure during oil or gas production, and have smaller diameters. 


  • API 5CT Slotted Pipe

    API 5CT Slotted Pipe

    Base pipe:Casing and tubing

    Slot style:Straight Slots,Keystone Slots,Slot Patterns,Line (Straight) Pattern,Single-Slot Staggered Pattern,Gang Pattern (Multiple Staggered Pattern)

    Slot shape:Slotted or custom

    Standards and Technical Conditions for Supply:API Spec 5CT – Specification 5CT/ISO 11960, Specification for Casing and Tubing, Eighth Edition, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells

    Dimension:Casing：OD: 114.3-508mm WT: 5.21-16.13mmTubing：OD 48.26-114.3mm WT 3.18-16mm

    Grade:Casing：JSS, KSS, N80-1,N80-Q, L80-1, L80-9Cr,L80-13Cr,C95, P110,Q125;Tubing:JSS, N80-1,N80-Q, LS0-1, L80-9Cr,L80-1,C90, T95, C95, P110 .


  • API Drill Pipe

    API Drill Pipe

    Standards:Drill pipe:API SPEC 5DP; Heavy Weight Drill Pipe (HWDP)：API SPEC 7; Drill Collar:API SPEC 7-1

    Size:Drill pipe：2 3/8-6 5/8 OD, LENGTH: R1, R2, R3; Heavy Weight Drill Pipe (HWDP):OD: 2 7/8” – 6 5/8”, WT:6.27#/FT through 27.72#/FT; Drill Collar:3 1/8" -- 11"

    Lengths: Range 2 and Range 3

    Uses:For Well Drilling

    Notes：

    1.EU-External Upset IEU-lnternal-External Upset IU­Internal Upset

    2.Threads of tool joints are left-hand or right-hand.

    3.Threads are cooper-plated or phosphated.

    Grade:Drill pipe：E75, X95, G105, S135

    Heavy Weight Drill Pipe (HWDP):

    Integral HWDP : AISI 4145HM

    Welded HWDP : AISI 1340 pipe body, AISI 4140HM tool joint

    Drill Collar：AISI 4145H

    The wear-resistant belt of tool joint: Arnco 100XT, 200XT, 300XT, 400XT

    Internal coating drill pipe: TK34, DPC, TC2000, TC3000

    Drill Collar:Connected Type:NC, IF, REG

  • OCTG Accessories

    OCTG Accessories

    API Casing Coupling

    Standard:API 5CT&5B

    Size (Pipe OD) (in):4-1/2, 5, 5-1/2, 6-5/8, 7, 7-5/8, 8-5/8, 9-5/8, 10-3/4, 11-3/4, 13-3/8, 16, 18-5/8, 20

    API Tubing Coupling

    tandard:API 5CT&5B

    Size (Pipe OD) (in):1.9''-4-1/2''

    Casing Pup Joint

    Size：4-1/2 ~ 20 in (114.3 ~ 508 mm) nominal size OD

    Standard:API 5CT, API 5B

    Tubing Pup Joint

    Size:1.05 ~ 4-1/2 in (26.67 ~ 114.3 mm) nominal size OD

    Standard:API 5CT, API 5B

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  • Phone : 0086-731-86452683, 86452691, 86452692, 86452693
  • Email : sales@centerwaysteel.com
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