Tigerrig drilling spool for drilling adapterwellhead double casing head
Production Description:
Two-stage casing head: It is installed on the upper end of the casing string and suspends all layers of casing except the surface casing. According to the number of suspension casing layers, it is divided into: single-stage casing head, double-stage casing head, three-stage casing head and four-stage casing head. According to the sealing method, it is divided into: metal seal and rubber seal. According to the way of hanging casing, it can be divided into slip, thread, welding, slip and thread combination.
Specifications
Casing head four-way assembly
Connecting format
Side outlet API flange connection
Vertical main size (in)/mm
Rated working pressure (MPa)/psi
Top API flange connection
Upper suspension
Bottom suspension
133/8’’ Casing head assembly
6B135/8-21
95/8
Threaded or W type slip casing hanger
133/8WD type slip casing hanger
6B29/16-35(21)
6B21/16-35(21)
12.5
318
21
3000
133/8CSG
6B135/8-35
133/8BCSG
35
5000
Weld
95/8’’ Casing head assembly
6B11-35
7(51/2) Threaded or W type slip casing hanger
6B29/16-35
6B21/16-35
91/16
230
6B*135/8-35
6B*11-70
6B*29/16-70
6B*21/16-70
6B*29/16-35
6B*21/16-35
70
1000
6B*135/8-70
95/8 Threaded or W type slip casing hanger
6B*29/16- 70
6B*21/16- 70
10000
6B*11-105
7(51/2) Threaded or W type slip casing
6B*29/16-105
6B*21/16-105
105
15000
6B*135/8-105