20'' J55 ERW Surface Casing Pipe as per API 5CT Latest editon

20'' casing is always used as Surface Casing Pipe in a oil well completion and steel grade generally chosen

J55 or K55 , ERW and Seamless both applicable.

Surface Casing pipe is installed to :

1 prevent poorly consolicated shallow formations from sloughing into the hole

2 protect fresh water sands from contamination by drilling mud

3 provide protection against hydrocarbons found at shallow depths

4 provide initial support for the blowout preventers

5 support the wellhead system and all subsequent casing strings

The main size of 20'' is as below:

OD WT(MM) KG/M PPF Length (M) Threads

20''/508mm 11.13 139.89 94 R3/R2 BTC/STC/LTC

20''/508MM 12.70 158.49 106.50 R3/R2 BTC/STC/LTC

20''/508MM 16.13 197.93 133.00 R3/R2 BTC/STC/LTC

There are also other sizes which can be used as Surface Casing Pipe such as 16'', 13-3/8'' etc. It is commonly based on the

well designs and technical requirements.

shipment by bulk vessle

Who We Are 

Cangzhou High Booming Pipe Equipment Co.Ltd is a leading manufacturer & exporter of steel pipe & pipe fittings in China. Located in Cangzhou, a well-known “steel city” and near to Tianjin, we can make the delivery and container loading much faster and more convenient

High Booming has started its business from OCTG pipes, seamless pipes and expanded to ERW pipes, SSAW pipes, hollow sections and pipe fittings in order to provide one-stop resources integrating services for the clients and help them finish the projects effectively. Our production base is centered in Hebei and Tianjin. And all the factories are API/ISO/CE/FPC certified with highly equipped production lines and sophisticated technical engineers. Meanwhile, given the friendly& trustworthy relationship, we can also suppy the first-hand resources from the large famous mills like TPCO, Baotou Group, Bao Steel, Anhui Tianda, Linzhou Fengbao etc.

Our main product specification:

1. OCTG PIPE: Casing, Tubing, Coupling, Pup Joint, OD 60.3-508mm

2. SMLS PIPE: OD 21.3-914mm

3. ERW steel pipe, LSAW pile pipe, Spiral steel pipe

4. HOLLOW SECTION: OD: 20*20-600*600mm

The steel pipe and fittings are manufactured according to international standards such as GB, ASTM, API, DIN, JIS, EN etc. Custom-made steel product is also acceptable as per customer’s requirements. Engaged in steel industry for 15+ years, High Booming has successfully supported in many kinds of projects, such as oil & gas, well drilling, pipeline transmission, machinery, construction, marine & offshore etc. And our steel products have enjoyed a very good reputation in many countries and regions.

Welcome to visit us !

We look forward to establishing a long-term cooperative relationship with you!