Anti collapse casing series

  • Product Details

Product Introduction:

For special well conditions such as shale gas, salt paste layers, mudstone layers, and sand production in oil reservoirs, significant or uneven external squeezing loads may occur. Henggang has independently developed a series of high anti extrusion casing with higher performance than API Spec 5CT casing of the same specifications and steel grade by optimizing the chemical composition, heat treatment process, mechanical properties, etc. of materials. It has been widely used in major oil fields at home and abroad.

Technical parameters:

variety

specifications

Steel grade

Buckle type

Execution standards

Typical Uses

outside   diameter/mm

wall thickness/mm

Anti collapse casing series

114.3~339.7

5.21~15.88

HS80T/HS80TT
HS90T/HS90TT
HS95T/HS95TT
HS110T/HS110TT
HS125T/HS125TT
HS140T/HS140TT
HS150T/HS150TT

S/L/B/
HSM-1/

HSM-2

HK35-2019 or technical agreement

Used for complex geological conditions such as rock salt layers and deep wells


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