API 5CT Casing and Tubing Collar/Nipple/Pup Joint for Oilfield

Model: drilling tools/pipe fittings
Place of Origin: Shaanxi,China (Mainland)
Material: Alloy steel
Specification: API 5CT
Length: As requsted
Steel grade: J55, L80, N80, K55
Certification: API
Thread type: LTC,STC,BTC
Use: Oil drilling


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Product Description

Payment & Shipping Terms Supply Capacity
Unit Price:1.0 USDProduction Capacity:1500 Piece/Pieces per...
Trade Term:FOB,CFR,CIF,DDP,DAP,CIP,CPT,FCA,EXWPacking:bundled,carton, wooden...
Payment Terms:L/C, T/T
Min. Order:1 Piece/Pieces
Means of Transport:Ocean, Air, Land

Pup joint Specifications 




Pup Joint


1.9",2-3/8", 2-7/8",3-1/2",4",4-1/2",



Outer Diameter(mm):


Thread type:


Pup Joint

Size: 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",



Outer Diameter(mm)


Thread type:


Steel grade(Material)

J55 ,K55 ,N80,  L80, P110,


2.87 - 16.00 mm


Pipe body is black ,coupling is red ,green, white( can according to customers requirement)


3600 tons /week


Box, Pallet, Shrink Film Wrapping ,7Piece/Tie,Both ends are the protection screw cap Or according to customers requirement

Surface treatment: 

Whole phosphating, or inside phosphating and outside coating

Technical Characters:

1.Adopting the advanced production line crack detecting, quenching, the continuous overall tempering and sand blasting  processes to achieve higher mechanical strength ability with overall good performance.

2. The thread is cut by the special-purpose numerical control lathe which keeps the rod body still when cutting the threads. The special process ensures a high precision of thread with better reliability and life-span.

3.Use the raw materials with high mechanical strength and good comprehensive properties.

4.Screw using special CNC machining,and  it in manufacture of high precision,operational safety and long life.

5. Coupling using the phosphating treatment,good wear resistance,tread anti adh

Our main product drilling accessories : tubing coupling, Casing coupling ,Tubing pipe, Casing pipe, nipple, pup joint , crossover, Centralizer, Elbow, flange, sucker rod etc 

Quality System

A well-established Quality System from Materials receipt to Products delivery ensures consistent quality at all levels of the activity. QMS Procedures & Measurements are tailored to establish high standards of Quality Assurance in the Operations. The Company maintains the 100% Traceability records as per API requirements&NACE MR 0175-2002 Standards and complies with all the legal, statutory and regulatory requirements.

Our TUBING PUP JOINT cover all API Standard scope from 2-3/8" - 4-1/2" with strickly inspection, which all the goods should be checked one by one before packing.   Euipped withthe world-class facilities and professional laboratory technicians, we pay more attention the quality of every products.     

Company Introduction

XI'AN KINGWELL OILFIELD MACHINERY CO., LTD. (KINGWELL) is a highly reputable supplier for oilfield equipment and services to Oil & Gas industries and provides complete solutions.

With over 10 years developing, we were developed from the beginning drilling service to manufacture factory who produce OCTG, drilling tools, DST tools and Solid control products.

KINGWELL have experienced team, stronger enough to meet any challenge, we do believe honest is the base of business and cooperation; our aim is to build solid relationship with any part of honest. kingwell can provide highly efficient services to its clients resulting in accurate and timely deliveries at the best prices. Our products have been exported to Europe, American and Middle East.

Other Infomation:

About delivery:

Generally, PUP JOINTS are in stock, warehouse machine need 3 days delivery for paint and package, tell us: what colors u need. If every material is ready, 10 days finish the goods.

If material is not ready,30 days to delivery. Because we still have other order to do at the same time.

And we will sign 45 days in agreement; delivery time is usually in advance

About Logo: KW, we can produce according to customer requirements.

About Quality: All the products with API, low price are not -API, cannot be exported.

About Warranty: Warranty period is 1 year after installation.

About Payment: 30% of the advance payments, delivery time, please pay 70%.

About Ttechnical Documents: I submit the following accompanying technical information in English,

A: Test Report in accordance with the appropriate API or national test standards outline
B. Commerial Invoice

C: Original copy of quality certificate

D: Packing List

E: The chemical element ,Mechanical properties.

Category: Pup Joints

Related Category: API 5CT Casing Couplings  Casing and Tubing  API 5CT Tubing Couplings