TEL: +86-13821456028   E-MAIL:sales01@richsen.cn
blast joint
High quality API 5CT standard seamless pipe
Focus on supply OCTG product , made in China for over 15 years.
Read More
casing coupling
WE MACHINE YOUR CONCERN, ONE STOP SHOP 
FOR YOUR MACHINING SOLUTIONS
Read More
pup joint
RICHSEN IS COMMITTED TO
Providing Integral solutions for Thread Inspection of Casing/Tubing production to customers all over the world.
Read More

OUR PRODUCTS

API 5CT OCTG Seamless LTC Casing Pipe
  • Description: Casing pipe is tubing that is set inside the drilled well to protect and support the wellstream.
  • OD size : 4-1/2"~20"(114.3mm~508mm)
  • Thread:STC、LTC、BTC
  • Premium thread : TTGM-4 (VAM TOP) with CAL IV test certificate
View More
API 5CT Oil Casing Coupling
  • Casing coupling size : 4-1/2" to 20"
  • Grade: J55,K55, L80,N80-1,N80-Q, C90,T95, C110, P110, Q125.
  • Thread Type: STC, LTC, BTC
  • Premium thread :TTGM-4 ( VAM TOP Interchangeable ) with CAL IV test certificate
View More
API Crossover Subs
  • Specification: Conform to API 5CT casing and tubing
  • Thread buckle type: PIN*PIN,PIN*BOX,BOX*BOX
  • Grade: J55、N80、L80、P110、42crmo、AISI4140
  • Thread Type :STC,LTC,BTC,ENE,NUE,LP
     
View More
Lead Gauge
Description:Thread Lead is probably one of the most important thread elements if not the most important in the thread cutting industry. Lead error (which often leads to standoff error on tapered threads) is the most common error generated by manual and CNC lathes not cutting properly.
Type:Lead Gauge for PIN、Lead Gauge for BOX
View More

SOLUTION DISPLAY



ABOUT US

TIANJIN RICHSEN OIL EQUIPMENT CO.,LTD is an OCTG Comprehensive solution provider based on China serving global market. We offer integral solution ranging of Procurement, Marketing, Information, Research and Development, Production, Processing, Logistics. Casing/Tubing/Couplings are our core product, we dedicated to develop premium connection for serve clients all over the world.​​​​​​​
2000
+​​​​​​​
Coupling stock (tons )
20
+
Export country​​​​​​​
20
+
Served customer quantity

OUR ADVANTAGE

NEWS

Check our news to know more about RICHSEN.
​Richsen Team Successfully Participated in The Moscow Oil And Gas Exhibition on April 15, 2024

Richsen team successfully participated in the Moscow Oil and Gas Exhibition on April 15, 2024, which lasted for 3 days and achieved a complete success.

2024-04-23
展会2.jpg
2024-04-23
​Richsen Team Successfully Participated in The Moscow Oil And Gas Exhibition on April 15, 2024

Richsen team successfully participated in the Moscow Oil and Gas Exhibition on April 15, 2024, which lasted for 3 days and achieved a complete success.

READ MORE
RICHSEN Team has successfully participated OTC-2019 in Houston, TX, US on 06-09 May 2019

RICHSEN Team has successfully participated OTC-2019 in Houston, TX, US on 06-09 May 2019. After the exhibition, we has established a warehouse in Houston according to customer's demand, keep more than 10 X 20'GP coupling in the warehouse. When you need coupling, please contact RICHSEN.

2023-11-03
NEWS01.jpg
2023-11-03
RICHSEN Team has successfully participated OTC-2019 in Houston, TX, US on 06-09 May 2019

RICHSEN Team has successfully participated OTC-2019 in Houston, TX, US on 06-09 May 2019. After the exhibition, we has established a warehouse in Houston according to customer's demand, keep more than 10 X 20'GP coupling in the warehouse. When you need coupling, please contact RICHSEN.

READ MORE
RICHSEN leader Has Successfully Participated ADIPEC-2023 in Abu Dhabi From 2-5 October 2023

RICHSEN leader Has Successfully Participated ADIPEC-2023 in Abu Dhabi From 2-5 October 2023.

2024-01-19
信息量大.jpg
2024-01-19
RICHSEN leader Has Successfully Participated ADIPEC-2023 in Abu Dhabi From 2-5 October 2023

RICHSEN leader Has Successfully Participated ADIPEC-2023 in Abu Dhabi From 2-5 October 2023.

READ MORE
API 5CT Tubing And Casing Coupling News

As we know steel pipe coupling is a short pipe or tube that with threads on both ends, used to connect pipelines. So It is a kind of pipe fittings that with threaded connection, the advantage is easy for pipeline maintenance or to replace the broken pipe. API Coupling refers to the steel couplings that used in connecting casing pipe and tubing. Also known by OCTG coupling, it is usually manufactured in seamless type, material grade same with the pipe body (API 5CT K55/J55, N80, L80, P110 etc), same PSL or providing higher grades than requested. Same heat treatment also applicable, except there is an special requirements.

2024-01-18
66.jpg
2024-01-18
API 5CT Tubing And Casing Coupling News

As we know steel pipe coupling is a short pipe or tube that with threads on both ends, used to connect pipelines. So It is a kind of pipe fittings that with threaded connection, the advantage is easy for pipeline maintenance or to replace the broken pipe. API Coupling refers to the steel couplings that used in connecting casing pipe and tubing. Also known by OCTG coupling, it is usually manufactured in seamless type, material grade same with the pipe body (API 5CT K55/J55, N80, L80, P110 etc), same PSL or providing higher grades than requested. Same heat treatment also applicable, except there is an special requirements.

READ MORE
SEND US A MESSAGE

COOPERATION PARTNERS

TIANJIN RICHSEN OIL EQUIPMENT CO.,LTD is an OCTG Comprehensive solution provider based on China serving global market. 

QUICK LINKS

PRODUCT CATEGORY

SEND US A MESSAGE

Copyright © 2024 TIANJIN RICHSEN OIL EQUIPMENT CO.,LTD Technology By leadong.com | Sitemap