CN207710698U - A kind of assembler of casing head metal o-ring suitable for oil and gas industry - Google Patents
A kind of assembler of casing head metal o-ring suitable for oil and gas industry Download PDFInfo
- Publication number
- CN207710698U CN207710698U CN201820026973.6U CN201820026973U CN207710698U CN 207710698 U CN207710698 U CN 207710698U CN 201820026973 U CN201820026973 U CN 201820026973U CN 207710698 U CN207710698 U CN 207710698U
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- Prior art keywords
- ring
- metal
- casing
- pressing plate
- assembler
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Abstract
The utility model discloses a kind of assemblers of the casing head metal o-ring suitable for oil and gas industry, for solving the problems, such as that metal o-ring and the assembly of non-API standard casing are complicated, it includes lateral pressing plate, the transverse direction pressing plate both ends are respectively equipped with one perpendicular to lateral pressing plate and the screw rod that extends downwardly, two mounting hole spacings being diagonally arranged on centre distance matching ring flange between two screw rods are from the interior outer diameter away from equal to metal o-ring between two screw rods.Assembler provided by the utility model makes metal o-ring when being assembled with non-API standard casing, can be inserted on casing with controllable deformation, to not interfere with the sealing effect of metal o-ring.
Description
Technical field
The utility model is related to the exploitation assembly tools of petroleum gas, are a kind of natural suitable for oil specifically
The assembler of the casing head metal o-ring of gas industry.
Background technology
During production of hydrocarbons, wellhead assembly is highly important equipment, and the good and bad of performance can concerning oil/gas well
Safe and efficient production.In wellhead assembly, casing head is the heavy connection between casing and blowout preventer, casing head it is upper
End is connected by flange or clip with blowout preventer or preventer, and lower end is connected with surface pipe, and is sealed by metal o-ring,
To enhance sealing performance.The effect of casing head mainly includes：Hang each layer casing wt；Shut-in well above supporting sleeve tube head
Device or preventer；Sealing is provided between each layer casing；Channel is provided for special operation（A. cementing quality is bad can many side openings benefits
Cementing can be from side opening injection pressure equilibrium liquid when b. acid fracturings）.
Casing and casing head in present wellhead assembly mainly use American Petroleum Institute（API）Standard, casing head, set
Pipe and metal o-ring all sizes with standard, wherein slip-type connection are connection sides more commonly used in casing connection
Formula, specific installation process are：First casing is installed, then metal o-ring is lifted into sleeve upper end mouth position, although golden
There are enough gaps between the internal diameter and sleeve outer of category sealing ring, it is contemplated that metal o-ring not necessarily can just be accurate
Ground lifts alignment sleeve upper port, therefore sleeve upper end mouth periphery has opened up an annular slope, accordingly even when metal o-ring
Internal diameter can not alignment sleeve outer diameter completely, at least can also it be made to fall on annular slope, as long as simple mobile golden in this way
Belong to sealing ring, it will be able to be sleeved on metal o-ring on casing completely, until falling on the lower flange of casing, then again by casing
Headgear by the upper flange alignment lower flange on casing head and is bolted to connection on sleeve outer, in connection procedure
In by constantly tighten bolt to squeeze metal o-ring deformation, to complete metal sealing.
But oil exploitation not only China, the U.S. these country, it is also possible to Russia or the Middle East as stone
Oily big country and area, farther out and some other factor due to distance, construction team are difficult by these equipment from country's fortune
It is defeated national to another, therefore construction team can only select the local equipment produced, by taking Russia as an example, it has been found that Russia
The casing of offer not fully meets API standard, and precisely, the casing inner diameter of Russia's production is identical as API standard, still
Its casing wall thickness is thicker than API standard, causes the outer diameter of casing bigger 1-2mm than API standard, though metal is close
The internal diameter of seal is still above sleeve outer, but gap is reduced after all, is fallen in circular slanting when metal o-ring is lifted
It when on face, can not be sleeved on casing, but need by external force work easily as the equipment for meeting API standard
Tool, which beats metal o-ring, can just be such that it is sleeved on casing, but during beaing, it cannot be guaranteed that metal o-ring is with water
Flat state is inserted in casing, is inserted in if it is inclined, then when beaing process, the deformation of metal o-ring is not easy
It is controlled, it is possible to which the case where there are local deformations to influence the leakproofness of metal o-ring, therefore is not inconsistent for this
Close API standard casing, how to solve by metal o-ring assembly on casing without influence sealing performance be now there is an urgent need for solution
Certainly the problem of.
Invention content
For the problem that metal o-ring existing in the prior art and the assembly of non-API standard casing are complicated, this practicality is new
Type provides a kind of assembler of the casing head metal o-ring suitable for oil and gas industry, can be light using the assembler
Pine assembles metal o-ring on non-API standard casing in the case where not influencing sealing performance.
To realize the above-mentioned technical purpose, the technical solution adopted in the utility model is as follows：
A kind of assembler of casing head metal o-ring suitable for oil and gas industry, including lateral pressing plate, it is described
Lateral pressing plate both ends are respectively equipped with the centre distance between lateral pressing plate and the screw rod that extends downwardly, two screw rods
Two mounting hole spacings being oppositely arranged on matching ring flange are from the interior outer diameter away from equal to metal o-ring between two screw rods.
Using the assembler of above-mentioned technical proposal, the method for assembling metal o-ring is as follows：First, in accordance with existing assembling
Method installs casing, and then metal o-ring is placed between two screw rods and is close to lateral pressing plate bottom, then assembler is set
Above casing, it is horizontality to keep lateral pressing plate, two peaces that will be oppositely arranged on two screw rod alignment lower section ring flanges
Hole is filled, slowly moves down and metal o-ring is pushed into alignment sleeve upper end, is travelled downwardly, is made by adjusting both sides screw rod simultaneously
It obtains metal o-ring to be completely nested on casing by annular slope, since metal o-ring is close to lateral pressing plate bottom, both sides are again
It is limited by screw rod, at this time during pushing, metal o-ring can ensure with horizontality through annular slope, this
Sample can be controlled metal o-ring deforms upon, and finally only need to remove assembler, only close by beaing metal
Seal can make to drop to ring flange position.
It further limits, the transverse direction pressing plate is equipped with level meter.Above-mentioned restriction make assemble metal o-ring when
It waits, is conducive to determine that lateral pressing plate is horizontal.
It further limits, the thickness of the transverse direction pressing plate is 8 ~ 12mm.
It further limits, a diameter of 10 ~ 15mm of the screw rod.
Assembler provided by the utility model makes metal o-ring when being assembled with non-API standard casing, can
It is inserted on casing with controllable deformation, to not interfere with the sealing effect of metal o-ring.
Description of the drawings
Fig. 1 is the example structure schematic diagram of the utility model assembler；
Fig. 2 is the usage state diagram that metal o-ring is not caught in casing by assembler；
Fig. 3 is the usage state diagram that metal o-ring is caught in casing by assembler.
Corresponding mark is respectively in figure：1- transverse direction pressing plates, 11- level meters, 2- screw rods, 3- metal o-rings, 4- casings,
41- annular slopes, 5- ring flanges, 51- mounting holes, 6- cushion blocks, 7- bolts.
Specific implementation mode
In order to make those skilled in the art that the application may be better understood, with reference to the accompanying drawings and examples to this reality
It is further illustrated with new technique scheme.
As shown in Figure 1, Figure 2, Figure 3 shows, the assembler of a kind of casing head metal o-ring suitable for oil and gas industry,
Including lateral pressing plate, the transverse direction pressing plate both ends are respectively equipped with one perpendicular to lateral pressing plate and the screw rod that extends downwardly, two
Two mounting hole spacings being oppositely arranged on centre distance D1 matching ring flanges between screw rod are from interior away from D2 between two screw rods
Equal to the outer diameter of metal o-ring.
Two be oppositely arranged mounting hole recited above refers to two mounting holes being located in ring flange diametric(al).
Due to keep lateral pressing plate to be horizontally oriented when using assembler, only by range estimation effect compared with
Difference, therefore level meter is equipped with preferably on lateral pressing plate, determine the horizontality of lateral pressing plate by observing level meter, in this way
Control its deformation situation can be easier when assembling metal o-ring.
In assembling process, in order to control as possible assembler overall weight should not too ghost image ring metal o-ring dress
Match, the thickness of the lateral pressing plate of lateral pressing plate and screw rod is 8 ~ 12mm.
A diameter of 10 ~ 15mm of the screw rod.
Using the assembler of above-mentioned technical proposal, the method for assembling metal o-ring is as follows：First, in accordance with existing assembling
Method installs casing, and then metal o-ring is placed between two screw rods and is close to lateral pressing plate bottom, then assembler is set
Above casing, it is horizontality to keep lateral pressing plate, two peaces that will be oppositely arranged on two screw rod alignment lower section ring flanges
Hole is filled, slowly moves down and metal o-ring is pushed into alignment sleeve upper end, is travelled downwardly, is made by adjusting both sides screw rod simultaneously
It obtains metal o-ring to be completely nested on casing by annular slope, since metal o-ring is close to lateral pressing plate bottom, both sides are again
It is limited by screw rod, at this time during pushing, metal o-ring can ensure with horizontality through annular slope, this
Sample can be controlled metal o-ring deforms upon, and finally only need to remove assembler, only close by beaing metal
Seal can make to drop to ring flange position.
Above to a kind of dress of casing head metal o-ring suitable for oil and gas industry provided by the utility model
Orchestration is described in detail.The explanation of specific embodiment is merely used to help understand the method for the utility model and its core is thought
Think.It should be pointed out that for those skilled in the art, without departing from the principle of this utility model,
Several improvements and modifications can be made to this utility model, these improvement and modification also fall into the utility model claims
In protection domain.
Claims (4)
1. a kind of assembler of casing head metal o-ring suitable for oil and gas industry, which is characterized in that including transverse direction
Pressing plate, the transverse direction pressing plate both ends are respectively equipped with one between lateral pressing plate and the screw rod that extends downwardly, two screw rods
Centre distance matching ring flange on two mounting hole spacings being oppositely arranged from interior away from equal to metal sealing between two screw rods
The outer diameter of circle.
2. a kind of assembler of casing head metal o-ring suitable for oil and gas industry according to claim 1,
It is characterized in that, the transverse direction pressing plate is equipped with level meter.
3. a kind of assembly of casing head metal o-ring suitable for oil and gas industry according to claim 1 or 2
Device, which is characterized in that the thickness of the transverse direction pressing plate is 8 ~ 12mm.
4. a kind of assembler of casing head metal o-ring suitable for oil and gas industry according to claim 3,
It is characterized in that, a diameter of 10 ~ 15mm of the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026973.6U CN207710698U (en) | 2018-01-08 | 2018-01-08 | A kind of assembler of casing head metal o-ring suitable for oil and gas industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820026973.6U CN207710698U (en) | 2018-01-08 | 2018-01-08 | A kind of assembler of casing head metal o-ring suitable for oil and gas industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207710698U true CN207710698U (en) | 2018-08-10 |
Family
ID=63054919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820026973.6U Expired - Fee Related CN207710698U (en) | 2018-01-08 | 2018-01-08 | A kind of assembler of casing head metal o-ring suitable for oil and gas industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207710698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922566A (en) * | 2021-04-08 | 2021-06-08 | 黄宇桐 | Sucker rod self-adaptation formula pit shaft paraffin removal device |
-
2018
- 2018-01-08 CN CN201820026973.6U patent/CN207710698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922566A (en) * | 2021-04-08 | 2021-06-08 | 黄宇桐 | Sucker rod self-adaptation formula pit shaft paraffin removal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20190108 |