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Pup Joint


Product:  Pup Joint, OCTG Pup Point
Application:   Pipe Cut into different length used for connect 2 joints of tubing or casing
Size:  Tubing Coupling : 2-3/8'' -  4-1/2''
 Casing  Couping :  4-1/2'' - 20'
 Length: 2, 3, 4, 6, 8, 10, 12 ft
Pipe Standard:   API 5CT and 5B J55,K55,N80-1,N80-Q,P110, C95
Surface:  Coating
Thread:  BTC, LTC, STC
Special Service  Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156
Packing:  By carton, wooden case, wooden pallet or requirement of customer


   Introduction

Pup Joints are used to adjust the height of full length tubing or casing strings. They are also used to adjust the depth of downhole tools.

USI can customize any length of the pup joint as our customer required.

Material Options

Tubing per API 5CT, Grades J-55, N-80 & L-80

Finish Options – External Surfaces

Rust Inhibiting Paint per API 5CT

  • J55 - Green
  • J80 - Red with Green Stripe
  • L80 - Red with Brown Stripe

Finish Options – Internal Surfaces

  • Scotchkote 134
  • Corvel 1660

Benefits of Pup Joints:

Pup Joints are a mandatory part of equipment in almost any well. Due to their shorter length, they are typically easier to handle and to use. At the same time, they provide the same performance as the tubing/casing/drill pipe that they are attached to.

Casing Pup Joints:

Outside Diameter: 4 ½ inch – 13 3/8 inch

Typical Lengths: 1, 2, 3, 4, 6, 8, 10, 12 ft

Grades: H40, J55, K55, N80, L80 T95, C110, P110

Connections: SC, LC, BC, Semi Premium, and Premium


Tubing Pup Joints:

Sizes: 2 ⅜ inch  – 4 ½ inch

Typical Lengths: 1, 2, 3, 4, 6, 8, 10, 12 ft

Grades: J-55, N-80, L-80, P-110

Connections EU (external-upset) and NU (non-upset)


  Specification

SPECIFICATIONS

TUBING PUP JOINT 

OD

GRADE

END TYPE

LENGTH(FT)

2 3/8"

J/K/L/N/P

NUE/EUE

2/3/4/5/6/8/10/12

2 7/8"

J/K/L/N/P

NUE/EUE

2/3/4/5/6/8/10/12

3 1/2"

J/K/L/N/P

NUE/EUE

2/3/4/5/6/8/10/12

4 1/2"

J/K/L/N/P

NUE/EUE

2/3/4/5/6/8/10/12

 

CASING PUP JOINT 

OD

GRADE

END TYPE

4 1/2"

J/K/L/N/P

LTC/STC/BTC

5"

J/K/L/N/P

LTC/STC/BTC

5 1/2"

J/K/L/N/P

LTC/STC/BTC

6 5/8"

J/K/L/N/P

LTC/STC/BTC

7"

J/K/L/N/P

LTC/STC/BTC

7 5/8"

J/K/L/N/P

LTC/STC/BTC

7 3/4"

J/K/L/N/P

LTC/STC/BTC

8 5/8"

J/K/L/N/P

LTC/STC/BTC

9 5/8"

J/K/L/N/P

LTC/STC/BTC

10 3/4"

J/K/L/N/P

STC/BTC

11 3/4"

J/K/L/N/P

STC/BTC

13 3/8"

J/K/L/N/P

STC/BTC


grade

Yield Strength

Tensile Strength

Min

Max

Min

Psi

MPA

Psi

MPA

Psi

MPA

J55

55000

379

80000

552

75000

517

K55

55000

379

80000

552

95000

655

N80

80000

552

110000

758

100000

689

L80

80000

552

95000

655

95000

655

P110

110000

758

140000

965

125000

862




  Our factory


  Packing

Looking forward to your favourable inquiry!

  Manufacture Process


  Equipment


If you have any inquiries and questions, please contact United Steel Industry Co.,Ltd

at any time. Thanks in advance. Welcome! Email :Sales@united-steel.com

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