Casing Head is designed and manufactured according to API 6A Specification as the very important equipment of wellhead Christmas tree and used in drilling process. The casing head in a conventional wellhead system is the lowest part of the wellhead assembly and is almost always connected to the surface casing string.casing head can control the wellhead pressure,casing head are often welded or screwed on the top of the conductor pipe or the casing then become a part of the wellhead system of the oil well.
Description of Wellhead Speicifcation
Complete Wellhead For Single completion 95/8"x 51/2"x 27/8”x5000psi.
Main Material AISI 4130 PR 2, PSL 1, DD-NL, Temp LU.
Base on Drawing 1022-1001-00as attached.
With a 2”LPx5000psi Master gate valve included Lock screw assembly for Wear bushing and
tubing hanger is included.PE Pack off 51/2”included-NBR Seal Ring(Wear Bushing,
Test Plug and Retrieval tool not included)Casing Hanger 11”x 51/2”is not included
| Part List |
| No | Part Number | Description | Hat. | Qty |
| 1 | TF28-18-35-01 | C 22 Casing Head Housing 11*-3Kx 95/8"8RD | AISI 4130 | 1 |
| 2 | TF28-18-35-02 | Nipple 2"LPx 6" | AISI 4130 | 2 |
| 3 | BV2"LP-5K | Ball Valve Assy 2"LP5K | Assy | 2 |
| 4 | TF28-18-35-03 | Casing Hanger C 22111"x51/2" | Assy | 1 |
| 5 | SY/T5127-2002 | Stud Bolt 13/8"x 10"B 7 | AISI 4140 | 16 |
| 6 | SY/T5127-2002 | Nut 13/8"2H | AISI 1045 | 32 |
| 7 | SY/T5127-2002 | Ring gasket R-53 | AISI 1010 | 1 |
| 8 | TF28-18-35-04 | Check Valve 1/2"NPT | AISI 4130 | 1 |
| 9 | SY/T5127-2002 | Stud Bolt 7/8"x 6"B 7 | AISI 4140 | 16 |
| 10 | SY/T5127-2002 | Nut 7/82H | AISI 1045 | 48 |
| 11 | SY/T5127-2002 | Ring Gasket R 24 | AISI 1010 | 4 |
| 12 | TF28-18-35-05 | Companion Flange 21/16*-5Kx 2"LP | AISI 4130 | 2 |
| 13 | PFF 52-35-00 | Manual Gate Valve 21/16~-5K Flanged | Assy | 2 |
| 14 | SY/T5127-2002 | Stud Bolt 13/8*x 103/4"B 7 | AISI 4140 | 12 |
| 15 | SY/T5127-2002 | Nut 13/8"2H | AISI 1045 | 24 |
| 16 | TF28-18-35-06 | Tubing HeadS pool 11"-3Kx 71/16*-5K | AISI 4130 | 1 |
| 17 | SY/T5127-2002 | Ring Gasket R 46 | AISI 1010 | 1 |
| 18 | TF28-18-35-07-1 | Reducer 27/8*EUE Boxx 23/8"EUEPin | AISI 4130 | 1 |
| 19 | TF28-18-35-07 | Reducer 27/8EUEBoxx 2"LPP in | AISI 4130 | 1 |
| 20 | P FFL 52-35-00 | Manual Gate Valve 2"LPx5000psi | Assy | 1 |
| 21 | TF28-18-35-08 | Tubing Head adapter 71/16*-5Kx 27/8*EU EB xP | AISI 4130 | 1 |
| 22 | TF28-18-35-09 | Lock Screw Assy 71/16*-5K | Assy | 4 |
| 23 | SY/T5127-2002 | Tap end Bolt 7/8"B 7 | AISI 4140 | 16 |
| 24 | TF28-18-35-10 | Seal Assy PE Pack Off 51/2” | Assy | 1 |
| 25 | TF28-18-35-11 | Lock Screw Assy 11*-3K | Assy | 2 |
| 26 | | Test Plug&Retrieval Tool | | 1 |
| 27 | | Wear Bushing | | 1 |
About ZZ TOP Oil Tools
ZZ TOP Oil Tools Co., Ltd, headquartered in Xi’an City, focused on the design and production of drill stem testing tools and wellhead equipment since 2010. With the business expanding, ZZ TOP Oil Tools jointed to build the factories for wellhead equipment under the brand " JC Wellhead" and downhole tools under the brand "Techcore".
* "JC Wellhead" was estabilished in 2010 in Yancheng city, specialized in design and manufacturing of the oilfield wellhead equipment conformed with API 6A specification.
* "Techcore Oil Tools" was re-built in 2016 in Baoji city, specialized in design and manufacturing of drill stem testing tools, coiled tubing tools, wireline tools and other downhole tools.
Wellhead Product scope
Wellhead valves: Gate Valves, Plug Valves, Choke Valves, Check Valves, Mud Valves and various wellhead valve parts etc.
Wellhead Manifold: Choke and Kill Manifold, Drilling Floor Manifold, Fracturing manifold, Well Testing Manifold.
Wellhead Equipment: Wellhead Christmas Tree / X-Tree, Casing Head, Casing Hanger, Tubing Head,Tubing Hanger, Casing Spool, Tubing Spool, Drilling Spool etc.
Wellhead Adapter: Spacer Spool / Riser Spool ,Flange Adapter, Union Flange, Double Studded Adapter Flange, Welded Neck Flange, Blind Flange,Companion Flange, Instrument Flange,
Wellhead Clamp & Hub etc.
Wellhead Integral Fittings: Hammer Union, Elbow, Swivel Joint, Block Cross, Block Tee, Straight Pipe, Pipe Loops etc.
Well Pressure Control Equipment: Annular BOP, RAM BOP, Sucker Rod BOP etc
