CN221481890U - Wellhead test pipeline crossing device - Google Patents
Wellhead test pipeline crossing device Download PDFInfo
- Publication number
- CN221481890U CN221481890U CN202323335444.4U CN202323335444U CN221481890U CN 221481890 U CN221481890 U CN 221481890U CN 202323335444 U CN202323335444 U CN 202323335444U CN 221481890 U CN221481890 U CN 221481890U
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- China
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- main body
- wellhead
- cutting ferrule
- test pipeline
- main part
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 238000012856 packing Methods 0.000 claims abstract description 16
- 239000011148 porous material Substances 0.000 claims abstract description 6
- 238000013461 design Methods 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 4
- 241000191291 Abies alba Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
The utility model relates to the technical field of petroleum machinery, in particular to a wellhead testing pipeline traversing device. The main part of the device is installed in the passageway that traverses of oil pipe head cross upper flange, the cover is equipped with a plurality of sealed packing on the main part, main part lower extreme outer wall design has spacing step and spacing to sealed packing, packing press cap outside and traverses passageway inner wall threaded connection, packing press cap cover dress is in the main part outside, packing press cap precession extrusion sealed packing makes sealed packing seal main part and traverses the clearance between the passageway, main part threading pore both ends cartridge cutting ferrule respectively, test pipeline passes main part, cutting ferrule, the cutting ferrule can fix and seal test pipeline. The utility model realizes the traversing function of the wellhead test pipeline, takes the tubing head four-way as the outlet of the test pipeline, and ensures that the installation operation is simpler and safer, and the sealing technology is reliable; meanwhile, more traversing channels can be provided, so that the requirements of the wellhead with multiple testing channels are met.
Description
Technical field:
The utility model relates to the technical field of petroleum machinery, in particular to a wellhead testing pipeline traversing device.
The background technology is as follows:
With the continuous development of the oil and gas development field, the well completion technology is improved, and more intelligent control devices are arranged at the bottom of the well, such as a downhole safety valve, a downhole pressure/temperature sensor, an electric submersible pump, a fluid injection device, a hydraulic control tool and the like, so that a wellhead is required to be provided with a test pipeline crossing channel and a crossing channel sealing device. The wellhead test pipeline crossing device is key equipment for realizing safe and reliable penetrating of the test pipeline out of the wellhead, is equipped on more and more wellheads, and accords with the development trend of intelligent wellheads in the future.
In the traditional wellhead test pipeline crossing mode, an oil pipe head reducing joint is used as an outlet, and in the actual installation operation process, an installer needs to stand below to penetrate a test pipeline led out from a hanger into the reducing joint, so that potential safety hazards are high; meanwhile, in order to prevent winding, the test pipeline is led out from the outlet continuously along with the falling of the reducing joint, and the operation process is complex and dangerous.
The utility model comprises the following steps:
The utility model aims to solve the technical problem of providing a wellhead test pipeline traversing device, which realizes the traversing function of a wellhead test pipeline, and uses a tubing head four-way as a test pipeline outlet, so that the installation operation is simpler and safer, and the sealing technology is reliable; meanwhile, more traversing channels can be provided, and the method is suitable for development requirements of future wellhead such as gas storage wellhead, intelligent wellhead, PR2 high-pressure gas production wellhead and the like.
The technical scheme adopted by the utility model is as follows: a wellhead testing pipeline crossing device comprises a main body, wherein a threading pore canal is arranged in the center of the main body; the main body is arranged in a crossing channel of an upper flange of the tubing head four-way joint, a plurality of sealing fillers are sleeved on the main body, a limiting step is designed on the outer wall of the lower end of the main body and is used for limiting the sealing fillers, the outer side of a filler pressing cap is in threaded connection with the inner wall of the crossing channel, the filler pressing cap is sleeved on the outer side of the main body, the filler pressing cap is screwed into the sealing filler to press the sealing filler to enable the sealing filler to seal a gap between the main body and the crossing channel, clamping sleeves are respectively inserted at two ends of a threading channel of the main body, a test pipeline penetrates through the main body and the clamping sleeves, and the clamping sleeves can fix and seal the test pipeline.
Further, a packing pad is arranged between the packing pressing cap and the sealing packing.
Further, the sealing filler is one of hydrogenated nitrile rubber, polytetrafluoroethylene and polyether-ether-ketone.
Further, the cutting ferrule is the metal cutting ferrule, and cutting ferrule cartridge end design screws the inclined plane, and the cutting ferrule is inside to be equipped with metal seal, can seal the test pipeline that passes through the cutting ferrule through metal seal.
Further, an inner step surface matched with the main body limiting step is arranged in the traversing channel of the upper flange of the tubing head four-way joint.
Further, the through passage is designed on the side wall of the flange plate on the oil pipe head four-way joint.
Further, a plurality of the through channels are designed.
The beneficial effects of the utility model are as follows:
(1) The structure is simple and novel, the parts are few, and the economy is good;
(2) The sealing performance is stable and reliable, and the sealing device can be suitable for sealing a wellhead traversing channel within the temperature range of-60 ℃ to 400 ℃;
(3) A plurality of crossing channels can be arranged at the same time, so that the requirements of the wellhead of the multiple test channels are met;
(4) The safety risk of the test pipeline during crossing operation is greatly reduced, and the operation steps and time are reduced.
Description of the drawings:
the utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic diagram of the present utility model in use.
FIG. 3 is a schematic illustration of a tubing head with multiple crossover passages provided in a four-way upper flange.
The specific embodiment is as follows:
As shown in FIG. 1, a wellhead testing pipeline traversing device comprises a main body 1, wherein a threading pore canal is arranged in the center of the main body 1; the main body 1 is arranged in a traversing channel of an upper flange of a tubing head four-way joint, a plurality of sealing fillers 3 are sleeved on the main body 1, the outer wall of the lower end of the main body 1 is provided with a limiting step and limits the sealing fillers 3, the outer side of a filler pressing cap 2 is in threaded connection with the inner wall of the traversing channel, the filler pressing cap 2 is sleeved on the outer side of the main body 1, the filler pressing cap 2 is screwed into the sealing fillers 3 to enable the sealing fillers 3 to seal a gap between the main body 1 and the traversing channel, clamping sleeves 5 are respectively inserted at two ends of a threading pore channel of the main body 1, a test pipeline passes through the main body 1 and the clamping sleeves 5, and the clamping sleeves 5 can fix and seal the test pipeline.
A packing pad 4 is arranged between the packing pressing cap 2 and the sealing packing 3.
The sealing filler 3 is one of hydrogenated nitrile rubber, polytetrafluoroethylene and polyether-ether-ketone.
The cutting ferrule 5 is the metal cutting ferrule, and cutting ferrule 5 cartridge end design screws the inclined plane, and cutting ferrule 5 inside is equipped with metal seal, can seal the test pipeline that passes through cutting ferrule 5 through metal seal.
An inner step surface matched with the limiting step of the main body 1 is arranged in the traversing channel of the upper flange of the tubing head four-way joint.
The traversing channel is designed on the side wall of the flange plate of the oil pipe head four-way upper flange plate.
As shown in fig. 2, the sealing filler 3 is extruded and deformed between the main body 1 and the tubing head four-way joint by screwing the filler pressing cap 2 so as to realize sealing; the test pipeline passes through the clamping sleeve 5 and the main body 1, and the fixation and the sealing of the test pipeline are realized by screwing the clamping sleeve 5. The nonmetal seal and metal sleeve seal mode is adopted, the seal is universal to a jackscrew seal part, the technology is mature and reliable, and the specification variety of the seal is reduced.
The crossing device is arranged in the upper flange of the tubing head four-way joint, the tubing head four-way joint is used as a test pipeline outlet, the test pipeline passes through the hanger from the lower part of the hanger, after the hanger is installed in place, the device passes through a wellhead, the operation of crossing the pipeline is completed, and then the operation of installing the christmas tree is carried out.
As shown in FIG. 3, a plurality of crossing channels can be arranged at the same time, and the crossing channels are not interfered with each other, so that the requirements of the wellhead with a plurality of test channels are met.
The application process of the utility model is as follows:
(1) The test pipeline firstly enters the well along with the pipe column;
(2) The test pipeline passes through the through hole of the oil pipe hanger, the cutting sleeve is installed, and then the test pipeline is wound around the neck of the hanger for several weeks;
(3) Installing a wellhead testing pipeline traversing device on the tubing head four-way joint;
(3) The test pipeline passes through the wellhead test pipeline traversing device and is sealed at two ends by the clamping sleeve 5;
(4) The installation of the crossing pipeline is completed;
(5) And (3) mounting the christmas tree on the tubing head four-way joint.
It should be understood that the foregoing detailed description of the present utility model is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present utility model, and those skilled in the art should understand that the present utility model may be modified or substituted for the same technical effects; as long as the use requirement is met, the utility model is within the protection scope of the utility model.
Claims (7)
1. The wellhead testing pipeline crossing device comprises a main body (1), wherein a threading pore canal is arranged in the center of the main body (1); the method is characterized in that: the main body (1) is installed in a crossing channel of an upper flange of a tubing head four-way joint, a plurality of sealing fillers (3) are sleeved on the main body (1), a limit step is designed on the outer wall of the lower end of the main body (1) and used for limiting the sealing fillers (3), the outer side of a filler pressure cap (2) is in threaded connection with the inner wall of the crossing channel, the filler pressure cap (2) is sleeved on the outer side of the main body (1), the filler pressure cap (2) is screwed into the sealing fillers (3) to enable the sealing fillers (3) to seal a gap between the main body (1) and the crossing channel, clamping sleeves (5) are respectively inserted at two ends of a threading pore channel of the main body (1), a test pipeline penetrates through the main body (1) and the clamping sleeves (5), and the clamping sleeves (5) can fix and seal the test pipeline.
2. The wellhead testing pipeline traversing device according to claim 1, wherein: a packing pad (4) is arranged between the packing pressing cap (2) and the sealing packing (3).
3. The wellhead testing pipeline traversing device according to claim 1, wherein: the sealing filler (3) is one of hydrogenated nitrile rubber, polytetrafluoroethylene and polyether-ether-ketone.
4. The wellhead testing pipeline traversing device according to claim 1, wherein: the cutting ferrule (5) is the metal cutting ferrule, and cutting ferrule (5) cartridge end design screws the inclined plane, and cutting ferrule (5) inside is equipped with metal seal, can seal the test pipeline that passes through cutting ferrule (5) through metal seal.
5. The wellhead testing pipeline traversing device according to claim 1, wherein: an inner step surface matched with the limiting step of the main body (1) is arranged in the traversing channel of the upper flange of the tubing head four-way joint.
6. The wellhead testing pipeline traversing device according to claim 1, wherein: the traversing channel is designed on the side wall of the flange plate of the oil pipe head four-way upper flange plate.
7. The wellhead testing pipeline traversing device according to claim 1, wherein: the number of the crossing channels is plural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323335444.4U CN221481890U (en) | 2023-12-07 | 2023-12-07 | Wellhead test pipeline crossing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323335444.4U CN221481890U (en) | 2023-12-07 | 2023-12-07 | Wellhead test pipeline crossing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221481890U true CN221481890U (en) | 2024-08-06 |
Family
ID=92356150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323335444.4U Active CN221481890U (en) | 2023-12-07 | 2023-12-07 | Wellhead test pipeline crossing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221481890U (en) |
-
2023
- 2023-12-07 CN CN202323335444.4U patent/CN221481890U/en active Active
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| GR01 | Patent grant |