CN203097803U - High sulfur resistant high pressure metal sealing casing pipe head - Google Patents

High sulfur resistant high pressure metal sealing casing pipe head Download PDF

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Publication number
CN203097803U
CN203097803U CN 201320085548 CN201320085548U CN203097803U CN 203097803 U CN203097803 U CN 203097803U CN 201320085548 CN201320085548 CN 201320085548 CN 201320085548 U CN201320085548 U CN 201320085548U CN 203097803 U CN203097803 U CN 203097803U
Authority
CN
China
Prior art keywords
gate valve
flat gate
casing
casing pipe
flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320085548
Other languages
Chinese (zh)
Inventor
贾友富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENAN TONGZHENG INDUSTRIAL Co Ltd
Original Assignee
HENAN TONGZHENG INDUSTRIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HENAN TONGZHENG INDUSTRIAL Co Ltd filed Critical HENAN TONGZHENG INDUSTRIAL Co Ltd
Priority to CN 201320085548 priority Critical patent/CN203097803U/en
Application granted granted Critical
Publication of CN203097803U publication Critical patent/CN203097803U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a high sulfur resistant high pressure metal sealing casing pipe head. The upper end of a casing pipe cross joint is connected with an upper flange, the bottom end of the casing pipe cross joint is connected with a casing pipe head shell body, and two ends of a bypass of the casing pipe cross joint are respectively connected with a manual flat gate valve. Two ends of a bypass of the casing pipe head shell body are respectively connected with a manual flat gate valve as well. The manual flat gate valves are connected through flange screw threads. An upper mandrel type casing pipe hanger is installed on the upper portion of a straight way of the casing pipe cross joint. A first top thread component corresponds to the upper mandrel type casing pipe hanger. A lower mandrel type casing pipe hanger is installed on the upper portion of the straight way of the casing pipe head shell body. A second top thread component corresponds to the lower mandrel type casing pipe hanger. A pressure testing opening is formed in one side of a lower flange of the casing pipe cross joint. A neck metal sealing piece is arranged between the pressure testing opening and the lower mandrel type casing pipe hanger. An injection molding opening is formed in the other side of the lower flange. A mandrel type casing pipe hanger metal sealing piece is arranged at the lower end of the lower mandrel type casing pipe hanger. A supporting frame is connected with the casing pipe head shell body.

Description

A kind of high anti-sulphur high-pressure metal sealing shroud tube head
Technical field
The utility model relates to wellhead for production, relates to a kind of high anti-sulphur high-pressure metal sealing shroud tube head specifically.
Background technology
On land or sea when carrying out drilling well, for support, the fixing casing string of G.I.H, casing head need be connected with the casing string top.Casing hanger also is set in casing head, in order to hanging the casing string of corresponding specification, and the joint ring empty gap.And the pressure testing effect of some pullover pipe is undesirable, will cause its sealing effectiveness poor, has serious potential safety hazard, thereby influences the carrying out of whole drilling well work, reduces operating efficiency.
Summary of the invention
The utility model provides sealing effectiveness a kind of preferably high anti-sulphur high-pressure metal sealing shroud tube head.
The utility model provides a kind of high anti-sulphur high-pressure metal sealing shroud tube head, comprise manual flat gate valve A, manual flat gate valve B, manual flat gate valve C, manual flat gate valve D, manual flat gate valve E, manual flat gate valve F, manual flat gate valve G, manual flat gate valve H, the casing head housing, bracing frame, pressure testing mouth A, pressure testing mouth B, pressure testing mouth C, injection hole, upper core shaft type casing hanger, lower core shaft type casing hanger, the neck metal seal, mandrel formula casing hanger metal seal, four-way junction of casing, upper flange, lower flange, flange screw thread A, flange screw thread B, flange screw thread C, flange screw thread D, flange screw thread E, flange screw thread F, the first jackscrew assembly, the second jackscrew assembly, stop valve A, stop valve B, pressure meter A, pressure meter B, wherein, the upper end of four-way junction of casing is connected with upper flange by bolt, the bottom of four-way junction of casing is connected with the casing head housing by bolt, is connected with manual flat gate valve A and manual flat gate valve B on the bypass of four-way junction of casing respectively; Manually flat gate valve A is connected with manual flat gate valve C by flange screw thread A, manually flat gate valve B is connected with manual flat gate valve D by flange screw thread B, manually flat gate valve D is connected with stop valve A by flange screw thread C, stop valve A links to each other with pressure meter A, and the effect of stop valve A is control and changes pressure meter A; Be connected with manual flat gate valve E and manual flat gate valve F on the bypass of casing head housing respectively, manually flat gate valve E is connected with manual flat gate valve G by flange screw thread D, manually flat gate valve F is connected with manual flat gate valve H by flange screw thread E, manually flat gate valve H is connected with stop valve B by flange screw thread F, stop valve B links to each other with pressure meter B, and the effect of stop valve B is control and changes pressure meter B; Upper core shaft type casing hanger is installed in the straight-through top of four-way junction of casing, and the top of four-way junction of casing is provided with the first jackscrew assembly, and the first jackscrew assembly is corresponding with upper core shaft type casing hanger; Lower core shaft type casing hanger is installed in the straight-through top of casing head housing, and the top of casing head housing is provided with the second jackscrew assembly, and the second jackscrew assembly is corresponding with lower core shaft type casing hanger; The lower flange of four-way junction of casing is disposed with pressure testing mouth A, pressure testing mouth B, pressure testing mouth C on one side from top to bottom, is provided with the neck metal seal between pressure testing mouth and lower core shaft type casing hanger, and the lower flange another side is provided with injection hole; The lower end of lower core shaft type casing hanger is provided with mandrel formula casing hanger metal seal; Bracing frame is connected with the casing head housing.
Described neck metal seal has pressure ring, upper metal sealing ring, intermediate supports ring, lower metal sealing ring, bottom support ring from lower to upper successively.
Described mandrel formula casing hanger metal seal comprises sealing ring, support ring, assembly cap, casing hanger metallic packing ring.
The beneficial effects of the utility model are: supporting capacity is big, the multi-sealed combination of employing reaches many group pressure testing mouths and carries out comprehensive pressure testing, has increased the sealing performance of whole system.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model neck metal seal;
Fig. 3 is the structural representation of the utility model mandrel formula casing hanger metal seal.
The specific embodiment
Face is described further the utility model in conjunction with the accompanying drawings:
The utility model provides a kind of high anti-sulphur high-pressure metal sealing shroud tube head, comprise manual flat gate valve A1, manual flat gate valve B2, manual flat gate valve C3, manual flat gate valve D4, manual flat gate valve E5, manual flat gate valve F6, manual flat gate valve G7, manual flat gate valve H8, casing head housing 9, bracing frame 10, pressure testing mouth A11, pressure testing mouth B12, pressure testing mouth C13, injection hole 14, upper core shaft type casing hanger 15, lower core shaft type casing hanger 16, neck metal seal 17, mandrel formula casing hanger metal seal 18, four-way junction of casing 19, upper flange 20, lower flange 21, flange screw thread A22, flange screw thread B23, flange screw thread C24, flange screw thread D25, flange screw thread E26, flange screw thread F27, the first jackscrew assembly 28, the second jackscrew assembly 29, stop valve A30, stop valve B31, pressure meter A32, pressure meter B33, wherein, the upper end of four-way junction of casing 19 is connected with upper flange 20 by bolt, the bottom of four-way junction of casing 19 is connected with casing head housing 9 by bolt, is connected with manual flat gate valve A1 and manual flat gate valve B2 on the bypass of four-way junction of casing 19 respectively; Manually flat gate valve A1 is connected with manual flat gate valve C3 by flange screw thread A22, manually flat gate valve B2 is connected with manual flat gate valve D4 by flange screw thread B23, manually flat gate valve D4 is connected with stop valve A 30 by flange screw thread C24, and stop valve A30 links to each other with pressure meter A32; Be connected with manual flat gate valve E5 and manual flat gate valve F6 on the bypass of casing head housing 9 respectively, manually flat gate valve E5 is connected with manual flat gate valve G7 by flange screw thread D25, manually flat gate valve F6 is connected with manual flat gate valve H8 by flange screw thread E26, manually flat gate valve H8 is connected with stop valve B31 by flange screw thread F27, and stop valve B31 links to each other with pressure meter B33; Upper core shaft type casing hanger 15 is installed in the straight-through top of four-way junction of casing 19, and it is corresponding with upper core shaft type casing hanger 15 that the top of four-way junction of casing 19 is provided with the first jackscrew assembly, 28, the first jackscrew assemblies 28, and the first jackscrew assembly 28 mainly plays the effect of location; Lower core shaft type casing hanger 16 is installed in the straight-through top of casing head housing 9, and it is corresponding with lower core shaft type casing hanger 16 that the top of casing head housing 9 is provided with the second jackscrew assembly, 29, the second jackscrew assemblies 29, and the second jackscrew assembly 29 mainly plays the effect of location; The lower flange 21 of four-way junction of casing 19 is disposed with pressure testing mouth A11, pressure testing mouth B12, pressure testing mouth C13 on one side from top to bottom, between pressure testing mouth and lower core shaft type casing hanger 16, be provided with neck metal seal 17, lower flange 21 another sides are provided with injection hole 14, and injection hole 14 is passages of shot lubrication stop-leak compound; The lower end of lower core shaft type casing hanger 16 is provided with mandrel formula casing hanger metal seal 18; Bracing frame 10 and casing head housing 9 are connected by welding manner.
Described neck metal seal 17 has pressure ring 34, upper metal sealing ring 35, intermediate supports ring 36, lower metal sealing ring 37, bottom support ring 38 from lower to upper successively.
Described mandrel formula casing hanger metal seal 18 comprises sealing ring 39, support ring 40, pieces together cap 41, casing hanger metallic packing ring 42.

Claims (3)

1. one kind high anti-sulphur high-pressure metal sealing shroud tube head, comprise manual flat gate valve, the casing head housing, bracing frame, the pressure testing mouth, injection hole, upper core shaft type casing hanger, lower core shaft type casing hanger, the neck metal seal, mandrel formula casing hanger metal seal, four-way junction of casing, upper flange, lower flange, the flange screw thread, the first jackscrew assembly, the second jackscrew assembly, stop valve, pressure meter, it is characterized in that: the upper end of described four-way junction of casing is connected with upper flange by bolt, the bottom of four-way junction of casing is connected with the casing head housing by bolt, is connected with manual flat gate valve A and manual flat gate valve B on the bypass of four-way junction of casing respectively; Manually flat gate valve A is connected with manual flat gate valve C by flange screw thread A, and manually flat gate valve B is connected with manual flat gate valve D by flange screw thread B, and manually flat gate valve D is connected with stop valve A by flange screw thread C, and stop valve A links to each other with pressure meter A; Be connected with manual flat gate valve E and manual flat gate valve F on the bypass of casing head housing respectively, manually flat gate valve E is connected with manual flat gate valve G by flange screw thread D, manually flat gate valve F is connected with manual flat gate valve H by flange screw thread E, manually flat gate valve H is connected with stop valve B by flange screw thread F, and stop valve B links to each other with pressure meter B; Upper core shaft type casing hanger is installed in the straight-through top of four-way junction of casing, and the top of four-way junction of casing is provided with the first jackscrew assembly, and the first jackscrew assembly is corresponding with upper core shaft type casing hanger; Lower core shaft type casing hanger is installed in the straight-through top of casing head housing, and the top of casing head housing is provided with the second jackscrew assembly, and the second jackscrew assembly is corresponding with lower core shaft type casing hanger; The lower flange of four-way junction of casing is disposed with pressure testing mouth A, pressure testing mouth B, pressure testing mouth C on one side from top to bottom, is provided with the neck metal seal between pressure testing mouth and lower core shaft type casing hanger, and the lower flange another side is provided with injection hole; The lower end of lower core shaft type casing hanger is provided with mandrel formula casing hanger metal seal; Bracing frame is connected with the casing head housing.
2. a kind of high anti-sulphur high-pressure metal sealing shroud tube head according to claim 1, it is characterized in that: described neck metal seal has pressure ring, upper metal sealing ring, intermediate supports ring, lower metal sealing ring, bottom support ring from lower to upper successively.
3. a kind of high anti-sulphur high-pressure metal sealing shroud tube head according to claim 1, it is characterized in that: described mandrel formula casing hanger metal seal comprises sealing ring, support ring, assembly cap, casing hanger metallic packing ring.
CN 201320085548 2013-02-26 2013-02-26 High sulfur resistant high pressure metal sealing casing pipe head Expired - Fee Related CN203097803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320085548 CN203097803U (en) 2013-02-26 2013-02-26 High sulfur resistant high pressure metal sealing casing pipe head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320085548 CN203097803U (en) 2013-02-26 2013-02-26 High sulfur resistant high pressure metal sealing casing pipe head

Publications (1)

Publication Number Publication Date
CN203097803U true CN203097803U (en) 2013-07-31

Family

ID=48849212

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320085548 Expired - Fee Related CN203097803U (en) 2013-02-26 2013-02-26 High sulfur resistant high pressure metal sealing casing pipe head

Country Status (1)

Country Link
CN (1) CN203097803U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112031695A (en) * 2020-11-05 2020-12-04 胜利油田胜机石油装备有限公司 Gas production wellhead device and gas production well

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112031695A (en) * 2020-11-05 2020-12-04 胜利油田胜机石油装备有限公司 Gas production wellhead device and gas production well
CN112031695B (en) * 2020-11-05 2021-01-08 胜利油田胜机石油装备有限公司 Gas production wellhead device and gas production well

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20140226

C17 Cessation of patent right