Slip Type Bottom Connection Casing Head

Casing head is the adapter between the first casing string and either the BOP stack (during drilling) or the wellhead (after completion). It seals up the annulus space of casing string, and is the primary interface for the surface pressure control equipments. With 45°shoulder structure and casing hanger, casing head bears the weight of casing strings. BT secondary seal structure can be adopted at the bottom.  

Slip Type Bottom Connection Casing Head features easy assembly and its position and direction is adjustable. It’s connection to casing is double sealed. It is designed with a leakage test interface.

Specifications:

Working Pressure

psi(Mpa)

Top Flange
in(mm)

Bottom Connection
in (mm)

2000 (14)

9 (228)

7 (177.8)

2000 (14)

11 (279)

9 5/8 (244.4)

2000 (14)

13 5/8 (346)

13 3/8 (339.7)

2000 (14)

21 1/4 (540)

20 (509)

3000 (21)

9 (228)

7 (177.8)

2000 (14)

9 (228)

9 5/8 (244.4)

2000 (14)

11 (279)

13 3/8 (339.7)

2000 (14)

13 5/8 (346)

13 3/8 (339.7)

2000 (14)

21 1/4 (540)

9 5/8 (244.4)

3000 (21)

9 (228)

13 3/8 (339.7)


SIZE: 1-13/16" ~ 7-1/16"    
TEMP: K ~ Y
PRESSURE: 2000 ~ 15000psi
PR: 1 ~ 2
PSL: 1 ~ 3
MATL: AA/DD, BB/EE, CC/FF