CN203130021U - Blowout preventer - Google Patents
Blowout preventer Download PDFInfo
- Publication number
- CN203130021U CN203130021U CN 201320127301 CN201320127301U CN203130021U CN 203130021 U CN203130021 U CN 203130021U CN 201320127301 CN201320127301 CN 201320127301 CN 201320127301 U CN201320127301 U CN 201320127301U CN 203130021 U CN203130021 U CN 203130021U
- Authority
- CN
- China
- Prior art keywords
- ball
- ball seat
- housing
- spray
- compression spring
- 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
Links
Images
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The utility model relates to a blowout preventer which comprises a casing, wherein a blowout preventing ball, a ball seat and compression springs are mounted in the casing; the blowout preventing ball is fixed on the ball seat; one end of each compression spring is fixed on the casing, and the other end is connected with the ball seat; the casing is provided with an axial hole whose diameter is matched with the blowout preventing ball, the ball seat and the compression springs; and shaft sleeves and seal rings are arranged between the ball seat and the inner side of the casing. The blowout preventer can block the inlet of a pumping well timely to prevent crude oil from erupting of the pumping well; normal work of the pumping well can be restored quickly after accident treatment, and the extraction of the blowout preventing ball from the pumping well is simple, easy, time-saving and labor-saving; and meanwhile, the crude oil can be prevented from entering the blowout preventer to corrode the springs, and the service life of the blowout preventer can be prolonged.
Description
Technical field
The utility model belongs to petrochemical industry, relates in particular to a kind of preventing because the polished rod fracture causes the preventer of crude oil blowout.
Background technology
In the process of pumpingh well oil pumping, polished rod is because long-term the use often causes mechanical wear or corrosion fracture suddenly, just cause the pumpingh well blowout this moment easily, not only cause the loss of resource property, and because the leakage of crude oil causes great pollution to environment, influence normally taking of oil.In order to prevent the generation of this class event, notice of authorization number is CN2630482Y, it is a kind of for oil, the chemical industry equipment preventer of pumpingh well well head particularly notice of authorization day to be that the Chinese utility model patent on August 4th, 2004 discloses, and it is made up of housing, connector, end cap and the spray-proof ball, ball seat, spring, the positioning bolt that are arranged in the housing.When this utility model ruptured suddenly at polished rod, spray-proof ball was stoped crude oil ejection well head by the spring-advance well head.But this utility model is because spray-proof ball and ball seat, spring are the branch body structures, spring has dropped in the pumpingh well after spray-proof ball is advanced pumpingh well, crude oil in the pumpingh well enters housing probably in the through hole of preventer housing, the crude oil that enters in the housing will corrode the spring that is arranged in the housing, in the course of time, spring will rupture, and preventer will lose its effect, has shortened the application life of preventer; Spray-proof ball and ball seat, spring are the branch body structures, spring has dropped in the pumpingh well after spray-proof ball is advanced pumpingh well, because the spray-proof ball diameter is slightly less than the well head diameter, it is very difficult that the workman takes out pumpingh well with spray-proof ball, time-consuming effort has again influenced the operate as normal of pumpingh well.
The utility model content
In order to overcome above-mentioned defective, the utility model discloses a kind of preventer, when polished rod ruptured suddenly, the utility model can in time stop up the pumpingh well import, prevented crude oil ejection pumpingh well; Can recover the pumpingh well operate as normal rapidly after accident treatment is intact, it is simple easy and time saving and energy saving to take out spray-proof ball from pumpingh well; Can prevent also that simultaneously crude oil from entering preventer corrosion spring, prolong preventer application life.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
Preventer, comprise housing, it is characterized in that: spray-proof ball, ball seat and compression spring are installed in the described housing, described spray-proof ball is fixed on the ball seat, described compression spring one end is fixed on the housing, and the other end links to each other with ball seat, and described housing is provided with an axial hole, described axial hole diameter and spray-proof ball, ball seat and compression spring are complementary, and are provided with axle sleeve and sealing ring between described ball seat and the housing inboard.
Described compression spring is provided with two, is connected to ball seat two sides up and down.
Described compression spring is welded on the housing.
Described axial hole is a shoulder hole.
The utlity model has following advantage:
1, the utility model comprises housing, spray-proof ball, ball seat and compression spring are installed in the described housing, described spray-proof ball is fixed on the ball seat, described compression spring one end is fixed on the housing, the other end links to each other with ball seat, described housing is provided with an axial hole, and described axial hole diameter and spray-proof ball, ball seat and compression spring are complementary, and is provided with axle sleeve and sealing ring between described ball seat and the housing inboard.Under normal circumstances, the effect of the pressured contracting spring of spray-proof ball leaning against on the polished rod tightly, when polished rod ruptures suddenly, because the elastic force effect of compression spring, spray-proof ball was pushed out housing and entered in the pumpingh well this moment, spray-proof ball just can block pumpingh well, prevent crude oil ejection pumpingh well, because the utility model spray-proof ball, ball seat, compression spring and cylinder all link together, and spray-proof ball can not break away from the ball seat independently moving, when needing to take out spray-proof ball, only spray-proof ball need be pushed back in the housing and get final product, time saving and energy saving, the efficient height is owing to be provided with axle sleeve and sealing ring between ball seat of the present utility model and the housing inboard, ball seat and axle sleeve block axial sky like this, crude oil can't enter from axial hole, corrosion compression spring, and the effect of sealing ring is to guarantee good seal between axle sleeve and the ball seat.
2, the utility model compression spring is provided with two, is connected to ball seat two sides up and down.Two compression springs are connected to ball seat and can prevent the spray-proof ball unbalance stress in two sides up and down, are stuck in the housing, can't operate as normal.
3, the utility model axial hole is a shoulder hole, has both guaranteed the rigidity of housing, has also further prevented from being stuck in the spray-proof ball unbalance stress in the housing, can't operate as normal.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram.
Mark 1, polished rod among the figure, 2, housing, 3, the compression spring, 4, ball seat, 5, spray-proof ball, 6, sealing ring, 7, axle sleeve.
The specific embodiment
As shown in Figure 1, the utility model comprises housing 2, spray-proof ball 5, ball seat 4 and compression spring 3 are installed in the described housing 2, described spray-proof ball 5 is fixed on the ball seat 4, described compression spring 3 one ends are fixed on the housing 2, and the other end links to each other with ball seat 4, and described housing 2 is provided with an axial hole, described axial hole diameter and spray-proof ball 5, ball seat 4 and compression spring 3 are complementary, and are provided with axle sleeve 7 and sealing ring 6 between described ball seat 4 and housing 3 inboards.Under normal circumstances, the effect of spray-proof ball 5 pressured contracting springs 3 leaning against on the polished rod 1 tightly, when polished rod 1 fracture suddenly, because the elastic force effect of compression spring 3, spray-proof ball 5 was pushed out housing 2 and entered in the pumpingh well this moment, spray-proof ball 5 just can block pumpingh well, prevent crude oil ejection pumpingh well, because the utility model spray-proof ball, ball seat, compression spring and cylinder all link together, and spray-proof ball can not break away from the ball seat independently moving, when needing to take out spray-proof ball, only spray-proof ball need be pushed back in the housing and get final product, time saving and energy saving, the efficient height is owing to be provided with axle sleeve and sealing ring between ball seat of the present utility model and the housing inboard, ball seat and axle sleeve block axial sky like this, crude oil can't enter from axial hole, corrosion compression spring, and the effect of sealing ring is to guarantee good seal between axle sleeve and the ball seat.
The utility model compression spring 3 is provided with two, and about in the of 4 two sides to be connected to ball seat.Two compression springs 3 are connected to ball seat and can prevent the spray-proof ball unbalance stress in two sides up and down, are stuck in the housing, can't operate as normal.
The utility model compression spring 3 is welded on the housing 2.
The utility model axial hole is a shoulder hole, has both guaranteed the rigidity of housing, has also further prevented from being stuck in the spray-proof ball unbalance stress in the housing, can't operate as normal.
Claims (4)
1. preventer, comprise housing (2), it is characterized in that: spray-proof ball (5), ball seat (4) and compression spring (3) are installed in the described housing (2), described spray-proof ball (5) is fixed on the ball seat (4), described compression spring (3) one ends are fixed on the housing (2), the other end links to each other with ball seat (4), described housing (2) is provided with an axial hole, described axial hole diameter and spray-proof ball (5), ball seat (4) and compression spring (3) are complementary, and are provided with axle sleeve (7) and sealing ring (6) between described ball seat (4) and housing (2) inboard.
2. preventer according to claim 1, it is characterized in that: described compression spring (3) is provided with two, is connected to ball seat (4) two sides up and down.
3. preventer according to claim 1 and 2, it is characterized in that: described compression spring (3) is welded on the housing (2).
4. preventer according to claim 1 and 2, it is characterized in that: described axial hole is a shoulder hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127301 CN203130021U (en) | 2013-03-20 | 2013-03-20 | Blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127301 CN203130021U (en) | 2013-03-20 | 2013-03-20 | Blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130021U true CN203130021U (en) | 2013-08-14 |
Family
ID=48938012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320127301 Expired - Fee Related CN203130021U (en) | 2013-03-20 | 2013-03-20 | Blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934755A (en) * | 2022-07-25 | 2022-08-23 | 帕特恩(大庆)石油科技有限公司 | Composite particle sealing device for oil pumping unit wellhead and use method thereof |
-
2013
- 2013-03-20 CN CN 201320127301 patent/CN203130021U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934755A (en) * | 2022-07-25 | 2022-08-23 | 帕特恩(大庆)石油科技有限公司 | Composite particle sealing device for oil pumping unit wellhead and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103821477A (en) | Self-balancing downhole safety valve | |
| CN203130021U (en) | Blowout preventer | |
| CN103321279A (en) | Quick opening hydrant | |
| CN202325370U (en) | Two-stage sealing eccentricity-preventing blowout preventer of sucker rod | |
| CN103527135A (en) | Double-cylinder compression packer | |
| CN203130017U (en) | Device for preventing crude oil from blowout | |
| CN203230863U (en) | Anti-impact stop valve sealing structure | |
| CN204754868U (en) | Emergency control valve | |
| CN202467761U (en) | Novel Christmas tree oil pipe cap with safety gate device | |
| CN202266233U (en) | Compression packer rubber | |
| CN103452515A (en) | Wellhead bimetal seal assembly | |
| CN103244723B (en) | Mining explosion-proof check valve | |
| CN203130022U (en) | Blowout preventer for preventing blowout of crude oil | |
| CN203796817U (en) | Brake pump | |
| CN201496025U (en) | Hydraulic rotary well plugging device | |
| CN204082074U (en) | Oilfield construction blowout prevention storage and transportation apparatus | |
| CN204283318U (en) | High temperature high voltage resistant tubing packer | |
| CN203926974U (en) | A kind of Pull breaking ualve | |
| CN202745889U (en) | Hydraulic support operating valve | |
| CN203050600U (en) | Automatic blowout prevention box | |
| CN201963875U (en) | Seal assembly for elastic compensation ring | |
| CN203272909U (en) | Explosive-proof type mining one-way valve | |
| CN205928415U (en) | Overhaul spanner with pre -installation and recovery nut function | |
| CN202249912U (en) | Blowout-preventing box device of oil well | |
| CN202391393U (en) | Novel bailing type barrel oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140320 |