TEL: +86-16602616167   E-MAIL:sales01@richsen.cn
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blast joint
High quality API 5CT standard seamless pipe
Focus on supply OCTG product , made in China for over 15 years.
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casing coupling
WE MACHINE YOUR CONCERN, ONE STOP SHOP 
FOR YOUR MACHINING SOLUTIONS
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pup joint
RICHSEN IS COMMITTED TO
Providing Integral solutions for Thread Inspection of Casing/Tubing production to customers all over the world.
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OUR PRODUCTS

API 5CT OCTG Seamless LTC Casing Pipe
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/TSH PH6/VAM FJL/New vam/Big Omega
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API 5CT Oil Casing Coupling
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/VAM FJL/New vam/Big Omega/TSH PH6 interchangeable connection.
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API Crossover Subs
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
     
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Lead Gauge
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
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SOLUTION DISPLAY



  • Oil drilling
  • Oil drilling
  • Oil extraction
  • Oil drilling
  • Oil drilling
  • Oil extraction

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.​​​​​​​
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2000
+​​​​​​​
Coupling stock (tons )
20
+
Export country​​​​​​​
20
+
Served customer quantity

OUR ADVANTAGE

  • Excellent, Reliable Brand
    Richsen have cooperated with CNPC SINOPEC CNOOC and other global wellknown oil companies.
    Excellent, Reliable Brand
    Richsen have cooperated with CNPC SINOPEC CNOOC and other global wellknown oil companies.
  • Professional
    Richsen have two Casing/Tubing threading mills, one Coupling Mill and 40+ senior engineers and many professiona inspectors.
    Professional
    Richsen have two Casing/Tubing threading mills, one Coupling Mill and 40+ senior engineers and many professiona inspectors.
  • Intelligent Team
    Gloabl marketing department gathered many intelligent people who are able to serve you with different languages.
    Intelligent Team
    Gloabl marketing department gathered many intelligent people who are able to serve you with different languages.
  • Health, Safety, Environment
    All product and every procuction process arecompletely implementing《Health, Safety, Environment(HSE)management system》.
    Health, Safety, Environment
    All product and every procuction process arecompletely implementing《Health, Safety, Environment(HSE)management system》.
  • Quality System
    Adhering strictly to the standards of ISO 9001, ISO 14001, and ISO 45001 is crucial in establishing a sound management system, which drives our company's operation towards standardization and efficiency.
    Quality System
    Adhering strictly to the standards of ISO 9001, ISO 14001, and ISO 45001 is crucial in establishing a sound management system, which drives our company's operation towards standardization and efficiency.
  • Quality Assured
    The raw materials come from first-class seamless pipe factories such as TPCO/BAO STEEL/HYST
    Quality Assured
    The raw materials come from first-class seamless pipe factories such as TPCO/BAO STEEL/HYST

NEWS

Check our news to know more about RICHSEN.
What is the Difference Between a Flow Coupling and a Blast Joint?

What is the Difference Between a Flow Coupling and a Blast Joint in the Oil and Gas Industry?In the complex infrastructure of oil and gas wells, specialized components like flow couplings and blast joints play critical roles in ensuring operational safety and longevity. Though both are types of tubu

2025-03-27
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2025-03-27
What is the Difference Between a Flow Coupling and a Blast Joint?

What is the Difference Between a Flow Coupling and a Blast Joint in the Oil and Gas Industry?In the complex infrastructure of oil and gas wells, specialized components like flow couplings and blast joints play critical roles in ensuring operational safety and longevity. Though both are types of tubu

READ MORE
​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.

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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.

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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.

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TIANJIN RICHSEN OIL EQUIPMENT CO.,LTD

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

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