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API 5CT T95 CASING
API 5CT T95 CASING
API 5CT T95 CASING
API 5CT T95 CASING
API 5CT T95 CASING
API 5CT T95 CASING
API 5CT T95 CASING
API 5CT T95 CASING

API 5CT T95 CASING

API 5CT T95 Casing Tubing used for transport both crude oil and natural gas from oil and gas layer to the surface pipeline after drilling is completed. It has the ablility to bear the pressure produced by the exploitation process.
Types:Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form:Round, Square, Rectangular, Coil, U Tube
Product Introduction
Technical data
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Product Introduction

API 5CT T95 CASING TUBING SPECIFICATIONS

OD 4-1/2“ to 20“/ 114.3mm to 508mm
Wall Thickness 5.21 mm - 16.13 mm
Thread STC, BTC, LTC
Length R1(4.88-7.62M), R2(7.62-10.36M), R3(10.36-14.63Meters)
Standard API 5CT
Grade J55, K55, M65, N80, N80-1, N80-Q, L80-13Cr, L80-1, L80-9Cr, C90, C95, T95, P110, Q125
Length Range R1 (6.10-7.32m), R2 (8.53-9.75m), R3 (11.58-12.80m)
Model in Common Use 2-3/8", 2-7/8", 3-1/2", 4", 4-1/2"
Specialties
  • Drifting (Full-length, or just ends)
  • Threading
  • Heat treating
  • External upset
  • Hydrostatic Testing
  • Couplings – EUE, AB Modified, turned down, special clearance couplings
  • Coating to customer specifications
  • Full third-party inspection capabilities (EMI, SEA, and Weld Line)
  • Pup Joints
 

Inspection

Physical properties are checked and each length hydrostatically tested, normally to only 3,000 psi in the plain end (unthreaded) condition. The following are also checked:

  • Straightness
  • Dimensions
  • Weights
  • Lengths

Part of this inspection is to drift all lengths.
Despite all the American Petroleum Institute (API) specifications and testing, some tubing defects are still found after delivery; thus, some operators do further inspection.
 

Inspection Method

  • Size and surface inspection
  • NDT and pressure test and third party certication
  • Electromagnetic
  • Magnetic particle
  • Physical and chemical analysis
  • Hydrostatic
  • Drifting test
  • Hardness and pressure test.
  • Ultrasonic
Technical data
Pipe Casing Sizes, Oilfield Casing Sizes & Casing Drift Sizes
Outer Diameter (Casing Pipe Sizes) 4 1/2"-20", (114.3-508mm)
Standard Casing Sizes 4 1/2"-20", (114.3-508mm)
Thread Type Buttress thread casing, Long round thread casing, Short round thread casing
Function It can protect the tubing pipe.
 

Oil Tube For Petroleum And Natural Gas Industries

Name of Pipes

Specification

Steel Grade

Standard

 

D

(S)

(L)

 

 

(mm)

(mm)

(m)

Petroleum Casing Pipe

127-508

5.21-16.66

6-12

J55. M55. K55.
L80. N80. P110.

API Spec 5CT (8)

Petroleum Tubing

26.7-114.3

2.87-16.00

6-12

J55. M55. K55.
L80. N80. P110.

API Spec 5CT (8)

Coupling

127-533.4

12.5-15

6-12

J55. M55. K55.
L80. N80. P110.

API Spec 5CT (8)

 
  C Mn Mo Cr Ni Cu Ti P S Si V Al
Min - - 0.250 0.400 - - - - - - - -
Max 0.350 1.200 0.850 1.500 0.990 - - 0.020 0.010 - - -
 

API 5CT T95 Tubing Mechanical Properties

Tensile Strength 724 MPa min 105,000 psi min
Yield Strength 655 MPa min 758 MPa max
  95,000 psi min 110,000 psi max
Total Elongation Under Load 0.500 % -
Hardness 25 Max HRC 255 Max HBW
 

API 5CT T95 Casing Tubing Tensile & Hardness Requirement

Group Grade Type Total elongation under load % Yield strength MPa Tensile strength min. MPa Hardness a max. Specified wall thickness mm Allowable hardness variation b HRC
min. max .   HRC HBW
1 2 3 4 5 6 7 8 9 10 11
1 H40 - 0.5 276 552 414 - - - -
J55 - 0.5 379 552 517 - - - -
K55 - 0.5 379 552 655 - - - -
N80 1 0.5 552 758 689 - - - -
N80 Q 0.5 552 758 689 - - - -
R95 - 0.5 655 758 724 - - - -
2 M65 - 0.5 448 586 586 22 235 - -
L80 1 0.5 552 655 655 23 241 - -
L80 9Cr 0.5 552 655 655 23 241 - -
L80 13Cr 0.5 552 655 655 23 241 - -
C90 1 0.5 621 724 689 25.4 255 ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40 3.0 4.0 5.0 6.0
T95 1 0.5 655 758 724 25.4 255 ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40 3.0 4.0 5.0 6.0
C110 - 0.7 758 828 793 30 286 ≤ 12.70 12.71 to 19.04 19.05 to 25.39. ≥ 25.40 3.0 4.0 5.0 6.0
3 P110 - 0.6 758 965 862 - - - -
4 Q125 1 0.65 862 1034 931 b - ≤ 12.70 12.71 to 19.04 ≥ 19.05 3.0 4.0 5.0
a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method. 
b No hardness limits are specified, but the maximum variation is restricted in accordance with 7.8 and 7.9 of API Spec. 5CT.
 

API 5CT T95 Casing Tubing Features













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