CN221423152U - Double-sealing oil pipe hanger - Google Patents
Double-sealing oil pipe hanger Download PDFInfo
- Publication number
- CN221423152U CN221423152U CN202420095544.XU CN202420095544U CN221423152U CN 221423152 U CN221423152 U CN 221423152U CN 202420095544 U CN202420095544 U CN 202420095544U CN 221423152 U CN221423152 U CN 221423152U
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- ring
- double
- tubing
- tubing hanger
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 26
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a double-sealing oil pipe hanger which comprises an oil pipe hanger and an oil pipe head, wherein the oil pipe head is sleeved outside the oil pipe hanger, jackscrews penetrate through two sides of the upper end of the oil pipe head, the oil pipe hanger is fixed inside the oil pipe head through the jackscrews, a first sealing structure is sleeved on the outer wall of the oil pipe hanger, an L-shaped clamping seat is fixed on the outer side of the oil pipe head through a bolt, a metal sealing ring is arranged at the upper end of the oil pipe head, the metal sealing ring is detachably connected with the L-shaped clamping seat through a connecting assembly, and a guide assembly for quickly connecting a pipe fitting is arranged at the upper end of the connecting assembly. When the jackscrew contacts with the surface of the oil pipe hanger, the oil pipe hanger increases the sealing performance of the oil pipe hanger under the action of the first rubber ring and the second rubber ring, and simultaneously, the metal sealing ring matched with the top of the oil pipe hanger increases the sealing performance when being connected with other pipes, thereby achieving the effect of double sealing.
Description
Technical Field
The utility model particularly relates to the technical field of tubing hangers, in particular to a double-sealing tubing hanger.
Background
Tubing hangers are a device that supports a tubing string and seals the annular space between the tubing and casing. The oil pipe hanger is connected with the oil pipe, and is seated in the large four-way cone of the oil pipe hanger by utilizing the gravity of the oil pipe to seal, so that the oil pipe hanger is convenient to operate, has high wellhead replacement speed and is safe, and is a common mode for medium-deep wells and conventional wells.
Through retrieving, find the seal structure of oil pipe hanger among the prior art, typical like the publication number CN213980744U, be seal structure of oil pipe hanger, including the oil pipe hanger body, the surface of oil pipe hanger body is provided with the tubing head, the top of tubing head is provided with the jackscrew, the inboard of jackscrew and the surface contact of oil pipe hanger body, the surface cover of oil pipe hanger body is equipped with retaining ring one, the surface cover of oil pipe hanger body is equipped with retaining ring two, the surface cover of oil pipe hanger body is equipped with rubber circle one, the surface cover of oil pipe hanger body is equipped with sealing washer one. According to the utility model, the jackscrew is arranged to push the oil pipe hanger body to move downwards, and when the oil pipe hanger body moves to a proper position, the first rubber ring and the metal sealing ring are used for secondarily sealing the oil pipe hanger body, so that the problem that the conventional oil pipe hanger is sealed only by the rubber ring, rubber is easy to age in a high-temperature and high-pressure working environment, needs to be replaced frequently, and reduces the practicability of the oil pipe hanger is solved.
In summary, the sealing device of the tubing hanger in the above case improves the sealing performance of the tubing hanger body, but the sealing performance of the tubing hanger when being in butt joint with other pipelines is not considered, and in view of the above problems, improvement of the existing equipment is needed.
Disclosure of utility model
The present utility model is directed to a double-sealed tubing hanger, which solves the problem of double tightness of the tubing hanger body itself and when connected to other tubing members as set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a double seal's tubing hanger, includes tubing hanger and tubing head, tubing hanger outside has cup jointed the tubing head, the jackscrew has all been run through to tubing head upper end both sides, the tubing hanger passes through the jackscrew to be fixed inside the tubing head, and tubing hanger outer wall cup joints first seal structure, the tubing head outside has L type cassette through the bolt fastening, and tubing head upper end is provided with metal seal ring, metal seal ring passes through coupling assembling and can dismantle with L type cassette and be connected, the coupling assembling upper end is provided with the direction subassembly of quick connection pipe fitting.
Preferably, the first sealing structure comprises a spacing ring, the lower end of the spacing ring is sequentially provided with a first rubber ring and a second rubber ring, and the first rubber ring and the second rubber ring are separated by a gasket.
Through above-mentioned technical scheme, be convenient for improve the leakproofness of oil pipe hanger body.
Preferably, the connecting assembly comprises a clamping ring, two sides of the outer wall of the clamping ring are respectively fixed with a rotating shaft, the rotating shafts are rotationally connected with a limiting rod, the lower ends of the limiting rods are fixed with magnets, and the magnets can be adsorbed with grooves in the L-shaped clamping seats.
Through the technical scheme, the clamping ring is convenient to fix in the L-shaped clamping seat.
Preferably, the snap ring is provided with a clamping groove on the inner side, and the snap ring is connected with the metal sealing ring in a clamping way, and meanwhile, the lower end of the snap ring can be inserted into the L-shaped clamping seat.
Through above-mentioned technical scheme, be convenient for later stage dismantle the change with metal seal ring.
Preferably, the guide assembly comprises an arc-shaped block, a first through hole is formed in the inner side of the arc-shaped block, a hydraulic damper is fixed in the first through hole, and the top of the hydraulic damper is fixedly connected with the guide wheel.
Preferably, the hydraulic damper and the guide wheel are provided with a plurality of groups, and the hydraulic damper and the guide wheel are equidistantly distributed on the arc-shaped block.
Through above-mentioned technical scheme, be convenient for oil pipe hanger pass through guide assembly quick connection when connecting other pipe fittings.
Compared with the prior art, the utility model has the beneficial effects that: the double-sealed tubing hanger is provided with a seal,
(1) The sealing structure has the advantages that the sealing structure and the metal sealing ring are arranged, when the jackscrew is in surface contact with the oil pipe hanger, the oil pipe hanger is under the action of the first rubber ring and the second rubber ring, the sealing performance of the oil pipe hanger is improved, and meanwhile, the sealing performance of the metal sealing ring matched with the top of the oil pipe hanger is improved when the metal sealing ring is connected with other pipe fittings, so that the double sealing effect is achieved.
(2) Set up coupling assembling and L type cassette, with L type cassette threaded connection in the tubing head outside, through quick connect between magnet and the L type cassette on the snap ring gag lever post, simultaneously, the block is connected between snap ring and the metal seal ring, makes the metal seal ring between tubing hanger and the pipe fitting reach the effect of quick connect through coupling assembling.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;
Fig. 4 is an enlarged view of the structure of fig. 1 at C according to the present utility model.
In the figure: 1. tubing hanger; 2. a tubing head; 3. a jackscrew; 4. a first sealing structure; 401. a spacer ring; 402. a first rubber ring; 403. a gasket; 404. a second rubber ring; 5. an L-shaped clamping seat; 6. a metal seal ring; 7. a connection assembly; 701. a clasp; 702. a rotating shaft; 703. a limit rod; 8. a guide assembly; 801. an arc-shaped block; 802. a hydraulic damper; 803. and a guide wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model relates to a double-sealing oil pipe hanger;
As shown in fig. 1 and 2, the outside of the tubing hanger 1 is sleeved with a tubing head 2, two sides of the upper end of the tubing head 2 are penetrated with jackscrews 3, the tubing hanger 1 is fixed inside the tubing head 2 through the jackscrews 3, the outer wall of the tubing hanger 1 is sleeved with a first sealing structure 4, the first sealing structure 4 comprises a spacing ring 401, the lower end of the spacing ring 401 is sequentially provided with a first rubber ring 402 and a second rubber ring 404, and the first rubber ring 402 and the second rubber ring 404 are separated by a gasket 403.
In the above scheme, the tubing hanger 1 is placed in the tubing head 2, the jackscrew 3 is inserted into the tubing head 2, the bottom of the jackscrew 3 is in surface contact with the tubing hanger 1, the lower end of the tubing hanger 1 inserted into the jackscrew 3 penetrates through the second rubber ring 404, the upper end of the second rubber ring 404 penetrates through the gasket 403, the upper end of the gasket 403 penetrates through the first rubber ring 402, the upper end of the first rubber ring 402 penetrates into the spacer ring 401, meanwhile, the spacer ring 401 can be in contact with the outer surface of the jackscrew 3, the pressure in the well is avoided, the tubing hanger 1 is ejected out, and the sealing performance of the tubing hanger 1 is enhanced by the first rubber ring 402 and the second rubber ring 404.
As shown in fig. 1 and 3, the outside of the oil pipe head 2 is fixed with an L-shaped clamping seat 5 through a bolt, and the upper end of the oil pipe head 2 is provided with a metal sealing ring 6, the metal sealing ring 6 is detachably connected with the L-shaped clamping seat 5 through a connecting component 7, the connecting component 7 comprises a clamping ring 701, both sides of the outer wall of the clamping ring 701 are respectively fixed with a rotating shaft 702, the rotating shaft 702 is rotationally connected with a limiting rod 703, the lower end of the limiting rod 703 is fixed with a magnet, the magnet can be adsorbed with a groove in the L-shaped clamping seat 5, the inner side of the clamping ring 701 is provided with a clamping groove, the clamping ring 701 is connected with the metal sealing ring 6 in a clamping manner, and meanwhile, the lower end of the clamping ring 701 can be inserted into the L-shaped clamping seat 5.
In the above scheme, four L-shaped clamping seats 5 are arranged on the outer side of the oil pipe head 2, bolts are inserted into the lower ends of the L-shaped clamping seats 5, the L-shaped clamping seats are fixed on the outer wall of the oil pipe head 2, clamping rings 701 are inserted between the L-shaped clamping seats 5 and the oil pipe head 2, rotating shafts 702 are fixedly arranged on the outer sides of the clamping rings 701, limiting rods 703 are rotatably arranged in the rotating shafts 702, magnets are fixedly arranged on the inner sides of the bottoms of the limiting rods 703, grooves are formed in the outer sides of the L-shaped clamping seats 5, the L-shaped clamping seats 5 are made of metal materials, magnets on the inner sides of the limiting rods 703 can be adsorbed in the grooves of the L-shaped clamping seats 5, so that the L-shaped clamping seats 5 can be quickly connected with the clamping rings 701, clamping grooves are formed in the inner sides of the clamping rings 701, clamping blocks are arranged on the outer sides of the metal sealing rings 6, and the clamping blocks in the metal sealing rings 6 are inserted into the clamping grooves of the clamping rings 701 and are connected through clamping.
As shown in fig. 4, the upper end of the connecting component 7 is provided with a guiding component 8 of the quick connecting pipe fitting, the guiding component 8 comprises an arc-shaped block 801, a first through hole is formed in the inner side of the arc-shaped block 801, a hydraulic damper 802 is fixed in the first through hole, the top of the hydraulic damper 802 is fixedly connected with a guiding wheel 803, the hydraulic damper 802 and the guiding wheel 803 are provided with a plurality of groups, and the hydraulic damper 802 and the guiding wheel 803 are distributed on the arc-shaped block 801 at equal intervals.
In the above scheme, the arc block 801 is fixedly installed at the upper end of the snap ring 701, a plurality of first through holes are formed in the inner side of the arc block 801, the hydraulic damper 802 and the guide wheel 803 are fixedly installed in the first through holes, the guide wheel 803 is driven by the hydraulic damper 802 to adjust according to the pressure applied when the pipe fittings are connected, the guide wheel 803 is always in contact with the surfaces of the pipe fittings, and the pipe fittings to be connected are guided, so that the pipe fittings to be connected are quickly connected with the oil pipe hanger 1.
Preferably, the hydraulic damper 802 and the guide wheel 803 are provided with four groups, and guide the pipe in multiple directions.
As shown in fig. 1-4, when the oil pipe hanger is used, jackscrews 3 are inserted into two sides of the oil pipe head 2, the oil pipe hanger 1 is pushed to move downwards through the jackscrews 3, when the bottom of the jackscrews 3 is contacted with the surfaces of the oil pipe hanger 1 and the spacer 401, the oil pipe hanger 1 can be prevented from being offset under the influence of internal pressure, meanwhile, the tightness of the oil pipe hanger 1 is guaranteed by the first rubber ring 402 and the second rubber ring 404 on the outer surface of the oil pipe hanger 1, the clamping ring 701 is inserted into the L-shaped clamping seat 5, the metal sealing ring 6 is clamped and moves downwards along the clamping groove in the clamping ring 701, the metal sealing ring 6 is attached to the surface of the oil pipe hanger 1, the limiting rod 703 is rotated, the magnet on the limiting rod 703 is adsorbed in the groove of the L-shaped clamping seat 5, the effect of stable connection between the metal sealing ring 6 and the oil pipe head 2 is achieved, and the metal sealing ring 6 is prevented from shifting when the oil pipe hanger is used.
The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a double-sealed tubing hanger, includes tubing hanger (1) and tubing head (2), its characterized in that: tubing hanger (1) outside has cup jointed tubing head (2), all run through in tubing head (2) upper end both sides have jackscrew (3), tubing hanger (1) are fixed inside tubing head (2) through jackscrew (3), and tubing hanger (1) outer wall has cup jointed first seal structure (4), tubing head (2) outside is provided with L type cassette (5) through the bolt fastening, and tubing head (2) upper end is provided with metal seal ring (6), metal seal ring (6) can dismantle with L type cassette (5) through coupling assembling (7) and be connected, coupling assembling (7) upper end is provided with guiding component (8) of quick connect pipe fitting.
2. A double-sealed tubing hanger according to claim 1 and wherein: the first sealing structure (4) comprises a spacing ring (401), a first rubber ring (402) and a second rubber ring (404) are sequentially arranged at the lower end of the spacing ring (401), and the first rubber ring (402) and the second rubber ring (404) are separated by a gasket (403).
3. A double-sealed tubing hanger according to claim 1 and wherein: the connecting assembly (7) comprises a clamping ring (701), wherein rotating shafts (702) are respectively fixed on two sides of the outer wall of the clamping ring (701), a limiting rod (703) is rotationally connected to the rotating shafts (702), a magnet is fixed at the lower end of the limiting rod (703), and the magnet can be adsorbed to a groove in the L-shaped clamping seat (5).
4. A double-sealed tubing hanger according to claim 3, wherein: the inner side of the clamping ring (701) is provided with a clamping groove, the clamping ring (701) is connected with the metal sealing ring (6) in a clamping way, and meanwhile the lower end of the clamping ring (701) can be inserted into the L-shaped clamping seat (5).
5. A double-sealed tubing hanger according to claim 1 and wherein: the guide assembly (8) comprises an arc-shaped block (801), a first through hole is formed in the inner side of the arc-shaped block (801), a hydraulic damper (802) is fixed in the first through hole, and the top of the hydraulic damper (802) is fixedly connected with a guide wheel (803).
6. A double-sealed tubing hanger according to claim 5 and wherein: the hydraulic dampers (802) and the guide wheels (803) are arranged in a plurality of groups, and the hydraulic dampers (802) and the guide wheels (803) are equidistantly distributed on the arc-shaped blocks (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095544.XU CN221423152U (en) | 2024-01-15 | 2024-01-15 | Double-sealing oil pipe hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095544.XU CN221423152U (en) | 2024-01-15 | 2024-01-15 | Double-sealing oil pipe hanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221423152U true CN221423152U (en) | 2024-07-26 |
Family
ID=92013376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420095544.XU Active CN221423152U (en) | 2024-01-15 | 2024-01-15 | Double-sealing oil pipe hanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221423152U (en) |
-
2024
- 2024-01-15 CN CN202420095544.XU patent/CN221423152U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2166391C (en) | Swivel apparatus for fluid transport | |
| SE442236B (en) | rotary joint | |
| CN221423152U (en) | Double-sealing oil pipe hanger | |
| CN114811230A (en) | Telescopic rotary joint and manifold | |
| CN113756726B (en) | Adjustable high-pressure manifold and system | |
| CN210509126U (en) | Screen pipe structure capable of floating and running in oil and gas well | |
| CN218845379U (en) | PVC-UH pipe fitting | |
| CN216923548U (en) | Hydraulic pipeline connector assembly | |
| CN116697082A (en) | Pneumatic track ball valve with shock resistance function | |
| CN114856479A (en) | Vertical Christmas tree applied to oil field oil port | |
| CN206458381U (en) | A kind of hydraulic control liquid drives continuous pipe drilling tractor | |
| CN114636043A (en) | Double-seal gas pipeline plugging device based on electric drive | |
| CN221463159U (en) | Antioxidant high-temperature-resistant seamless steel pipe | |
| CN202611652U (en) | Electro-hydraulic composite penetrating device for underwater horizontal Christmas tree system | |
| CN219933748U (en) | Air leakage detection device for pipeline connecting part | |
| CN214305775U (en) | Freely-deformable telescopic pipeline | |
| CN217462064U (en) | Integral inner pipe double-wall drill rod | |
| CN219588349U (en) | Major diameter pipeline flange structure | |
| CN220396579U (en) | Double-valve-rod four-way rotary joint | |
| CN206458370U (en) | A kind of continuous pipe drilling tractor hydraulic control slip system | |
| CN212804746U (en) | Anti-leakage PE gas pipe connecting device | |
| CN219220358U (en) | Self-sealing type safety packer for oil field | |
| CN113107385B (en) | Tubing coupling | |
| CN220869335U (en) | Oil gas is high temperature probe connecting device in pit | |
| CN221278761U (en) | Natural gas pipeline convenient to stable butt joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |