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Pup Joint

Product: Pup Joint, OCTG Pup Point
Application: Pipe Cut into different lengths used to 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
Delivery: Within 10-30 days and depends on your order quantity
Payment: TT, LC , OA , D/P

Availability:

Pup Joints

Pup joint is used be adjust height of tubing or casing strings or depth of down-hole tools, and these pup joints are made of seamless steel pipes. Pup joint can be available with tubing pup joint or casing pup joint, and material for pup joint can be avalialbe in J55, K55, N80, L80 or P110, sizes of tubing pup joint range from 2⅜¡± to 4½¡±, and casing pup joint range from 4½¡± to 13⅜¡±, thread of pup joint can be 8RD, 10RD or BTC, length of tubing pup joint are often offered in 2ft, 3ft, 4ft, 6ft, 8ft, 10ft and 12ft, length of pup joint for special purpose can be available as per order. Pup joints are machined with interchangeable Pin & Box thread on two ends or other configuration, one end is equipped with coupling, and another end is protected with closed end thread protector. Nominal weight of tubing pup joint is the same as tubing, and casing pup joint is the same as casing.

Tubing pup Joint

Tubing pup joints are desiged and manufactured as per API 5CT to be used be adjust height of tubings, and tubing pup joints are made of seamless steel tubings. Material grade of tubing pup joint can be avalialbe in J55, K55, N80, L80 or P110, sizes of tubing pup joint range from 2⅜¡± to 4½¡±, thread of pup joint can be 8RD, 10RD or BTC, and end connection types can be NUE and EUE. length of tubing pup joint are often offered in 2ft, 3ft, 4ft, 6ft, 8ft, 10ft and 12ft, length of pup joint for special purpose can be available as per order. Tubing pup joints are machined with interchangeable Pin & Box thread on two ends or other configuration, one end is equipped with coupling, and another end is protected with closed end thread protector. Nominal weight of tubing pup joint is the same as tubing. Tubing pup joints are internally and externally hydrostatic tested with tension and compression loads, and torque tested, electromagnetically inspected, pup joint is full-body drift and straightness visual inspected, and phosphated and dye-penetrant inspected. and finally painted by machine to ensure excellenct appearance. Finished tubing pup joints are often packed by steel belts in bundles, and then fixed in steel rack for easy transportation.

Casing pup joint

Casing pup joints are desiged and manufactured as per API 5CT to be used be adjust height of casings, and casing pup joints are made of seamless steel casings. Material grade of casing pup joint can be avalialbe in J55, K55, N80, L80 or P110, sizes of casing pup joint range from 4½¡± to 13⅜¡±, thread of pup joint can be 8RD, 10RD or BTC, length of tubing pup joint are often offered in 2ft, 3ft, 4ft, 6ft, 8ft, 10ft and 12ft, length of pup joint for special purpose can be available as per order. Casing pup joints are machined with interchangeable Pin & Box thread on two ends or other configuration, one end is equipped with coupling, and another end is protected with closed end thread protector. Nominal weight of casing pup joint is the same as casing. Casing pup joints are internally and externally hydrostatic tested with tension and compression loads, and torque tested, electromagnetically inspected, pup joint is full-body drift and straightness visual inspected, and phosphated and dye-penetrant inspected. and finally painted by machine to ensure excellenct appearance. Finished casing pup joints are often packed by steel belts in bundles, and then fixed in steel rack for easy transportation.

 

Features

Transportation or piping systems that carry fluids, slurries or gasses under pressure or vacuum at varying temperatures.

Reduction of vibration.

Dampen sound transmission.

Compensate movements due thermal changes, misalignments caused by wear, load stresses, settling of supporting foundations.

Molding production with long radius arch.

Standard measures (length).

 

Advantages

Easy installation, flanges can be rotated.

For installation with “torsional misalignments”.

Flanges are not in contact with medium, which enables lower grade material.

Galvanic surfaces/ coatings possible.

Gaskets can be eliminated.

Additional movement capabilities.

Self cleaning arch (no need filler material).

Economic.


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.

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


Standards of tubing pup Joint

Standard

Steel Grade

Yield Strength

(MPA)

Tensile Strength

(MPA)

Elongation

min

max

min

API 5CT

J55

379

552

517

0.5

N80

552

758

689

0.5

Standards of casing pup Joint

Grade

Yield Strength

Tensile Strength

Min

Max

Min

Psi

MPA

Psi

MPA

Psi

MPA

J55550003798000055275000517
K55550003798000055295000655
N8080000552110000758100000689
L80800005529500065595000655
P110110000758140000965125000862


The outer surface shall be coated (painted) and marked according to API 5CT standard, bundled with wooden cases, pallets, steel belts or other packaging as required by customers.

pup joint packing


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