CN112412381A - Oil recovery well head sealing protection device - Google Patents
Oil recovery well head sealing protection device Download PDFInfo
- Publication number
- CN112412381A CN112412381A CN202110070712.0A CN202110070712A CN112412381A CN 112412381 A CN112412381 A CN 112412381A CN 202110070712 A CN202110070712 A CN 202110070712A CN 112412381 A CN112412381 A CN 112412381A
- Authority
- CN
- China
- Prior art keywords
- sealing
- connecting seat
- protection device
- polished rod
- seat
- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 138
- 238000011084 recovery Methods 0.000 title claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 238000009987 spinning Methods 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000005202 decontamination Methods 0.000 claims description 9
- 230000003588 decontaminative effect Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000003129 oil well Substances 0.000 abstract description 14
- 238000000605 extraction Methods 0.000 abstract description 9
- 239000000565 sealant Substances 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 6
- 239000002923 metal particle Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
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- B08B1/12—
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/006—Accessories for drilling pipes, e.g. cleaners
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides an oil extraction wellhead sealing protection device, and relates to the field of oil exploitation. This oil recovery well head sealing protection device, including the seal receptacle, the vertical polished rod that runs through in middle part of seal receptacle, one side lateral wall at seal receptacle middle part is provided with the manometer, the interior bottom of second seal chamber is provided with the second sealing washer, the setting of second sealing washer is in the periphery of polished rod, the interior middle part and the polished rod of connecting seat form first seal chamber, the interior bottom of first seal chamber is provided with first sealing washer, the middle part both sides on connecting seat top are all through locating pin fixed connection collecting vat, the vertical polished rod that runs through in middle part of collecting vat. Drive the spinning wheel through branch and oppress the second sealing washer, annotate the agent pipe and pour into the sealant into to the sealed intracavity of second, the tight nature between first sealing washer of pressurization wheel promotion and the connecting seat, triple seal makes the oil well mouth sealed effectual, realizes cleaning action through the collecting vat with the circle of deoiling to the polished rod, is worth wideling popularize.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to an oil extraction wellhead sealing protection device.
Background
With the discovery of petroleum resources, petroleum energy becomes important gradually, meanwhile, the technology of petroleum exploitation is updated continuously, the existing petroleum exploitation equipment has different forms, the mainstream is still oil well exploitation, according to data statistics, the oil production of an oil rod oil well occupies a large proportion of mechanical oil extraction, and meanwhile, the use proportion of a wellhead polished rod sealing device in the oil rod oil well oil exploitation equipment is higher.
When the existing polish rod sealing device is used, a sealing ring is likely to lose efficacy in oil extraction, so that the oil extraction efficiency is reduced or well blowout is likely to be caused, if the polish rod is disassembled, repaired or coated with a sealing agent, the machine halt also delays the oil extraction time, and in addition, when the polish rod is inserted into an oil well or oil is pumped, if the polish rod is polluted or has a lot of oil stains, the use of equipment is also affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an oil extraction wellhead sealing protection device, and solves the problems that a polished rod sealing device is poor in sealing effect and a polished rod is easy to stain.
In order to achieve the purpose, the invention is realized by the following technical scheme: an oil extraction wellhead sealing protection device comprises a sealing seat, a polish rod vertically penetrates through the middle part of the sealing seat, the middle parts of the two sides of the lower end of the sealing seat are respectively provided with a sliding cavity, the side wall of one side of the middle part of the sealing seat is provided with a pressure gauge, the periphery of the upper end of the sealing seat is connected with a connecting seat in a threaded manner, a polish rod vertically penetrates through the middle part of the connecting seat, a second sealing cavity is formed between the inner top of the connecting seat and the sealing seat, a second sealing ring is arranged at the inner bottom of the second sealing cavity, the second sealing ring is arranged on the periphery of the polish rod, the inner middle part of the connecting seat and the polish rod form a first sealing cavity, a first sealing ring is arranged at the inner bottom of the first sealing cavity and is arranged at the periphery of the polish rod, the middle part both sides on connecting seat top all are through locating pin fixed connection collecting vat, the middle part of collecting vat is vertical to run through there is the polished rod.
Preferably, the equal fixedly connected with stereoplasm spring of the interior roof of sliding chamber, the equal fixed connection of lower extreme of stereoplasm spring is in the upper end of arc pole, the lower extreme of arc pole all rotates through first pivot and connects two outside lower parts at the circle of deoiling, the circle of deoiling comprises two semicircular rubber circles, the upper end of the circle of deoiling all rotates through the second pivot and connects in the lower surface one side that the seal receptacle is close to the polished rod, the inboard of the circle of deoiling all laminates at the outer wall of polished rod.
Preferably, centralizers are arranged on two sides of the middle part in the sealing seat, and the centralizers are attached to two sides of the polish rod.
Preferably, four supporting rods are uniformly distributed on two sides of the middle of the lower surface of the connecting seat and on the inner top wall of the second sealing cavity, the middle of the lower end of each supporting rod is rotatably connected with a spinning wheel through a rotating pin, and the spinning wheels are tangent to the upper surface of the second sealing ring.
Preferably, the agent injection pipes penetrate through the two sides of the second sealing cavity and the side wall of the lower end of the connecting seat, sealing bolts are connected to the middle of the agent injection pipes in the connecting seat in an internal thread mode, and small holes are formed in the lower ends of the sealing bolts and communicated with the agent injection pipes.
Preferably, the equal evenly distributed of lateral wall on the connecting seat upper end has four pressure bolts, pressure bolt all with connecting seat threaded connection, all be provided with sealed the pad between the outer wall of pressure bolt and connecting seat, pressure bolt keeps away from sealed one end of filling up and all extends to the inside upper end in first sealed chamber, the equal fixed connection of one end of pressure bolt in first sealed intracavity is in central one side of the pressure wheel, the pressure wheel all laminates the upper surface at first sealing washer.
Preferably, the upper end of the middle part in the collecting vat evenly is provided with the decontamination brush hair in the periphery of polished rod, the decontamination brush hair is the nylon material, middle part periphery in the collecting vat all is provided with the magnet piece.
The working principle is as follows: when the oil well mouth sealing protection device is used, because the outer surface of the polish rod is coated with anti-rust oil or has oil stain, the polish rod is easily contaminated or metal small parts when being inserted into the sealing device, the use of the sealing device can be influenced or the sealing performance can be influenced when the contaminated matter enters the sealing device, so the contaminated matter or the metal small parts contaminated on the outer surface of the polish rod can be removed through the decontamination brush hair arranged in the middle of the collecting tank, meanwhile, the contaminated or metal small parts are brushed and dropped in the collecting tank, metal particles are collected through the magnet sheet, the influence on the next use of the polish rod caused by the metal particles falling on the ground is avoided, meanwhile, when the polish rod is used, the arc-shaped rod is pushed through the hard spring, the arc-shaped rod pushes the deoiling ring to tightly extrude the side wall of the polish rod, when the polish rod is pulled in work, the oil stain can not enter the sealing device due to extrusion, and a protection function for the oil well mouth sealing device, when the sealing device is used, the pressure inside the sealing device is detected through a pressure gauge, if the pressure displayed by the pressure gauge is different from the sealing pressure value, the sealing device is indicated to have a problem, firstly, a support rod drives a spinning wheel to rotate by screwing a connecting seat, the spinning wheel presses a second sealing ring to improve the sealing performance of the second sealing ring and a polished rod, meanwhile, a sealing bolt is screwed to open an injection pipe, a sealing agent is injected into a second sealing cavity through the injection pipe, the sealing bolt is screwed to seal after the injection is finished, the sealing seat and the polished rod are effectively sealed, finally, the pressurizing bolt is screwed to drive a pressurizing wheel, the pressurizing wheel improves the sealing performance between the first sealing ring and the connecting seat by extruding the first sealing ring, and through the setting of triple sealing, the oil well mouth sealing device can be sealed to the oil well mouth without being detached and repaired, complete sealing of the oil well mouth can be realized without being detached, the working efficiency is greatly improved, blowout accidents are avoided, the efficiency of oil exploitation is improved, and the oil well mouth sealing device is worthy of being widely popularized.
The invention provides an oil extraction wellhead sealing protection device. The method has the following beneficial effects:
1. the invention detects the pressure in the sealing device through the pressure gauge, if the pressure displayed by the pressure gauge is different from the sealing pressure value, the problem of the sealing device is shown, firstly, the connecting seat is screwed to lead the support rod to drive the spinning wheel to press the second sealing ring, the sealing performance between the second sealing ring and the polished rod is increased, simultaneously, the sealing bolt is screwed to open the sealant injection pipe, the sealant is injected into the second sealing cavity through the sealant injection pipe under high pressure, the sealing bolt is screwed to seal after the sealant is injected, the effective sealing between the sealing seat and the polished rod is realized, finally, the pressurizing bolt is screwed to drive the pressurizing wheel, the pressurizing wheel extrudes the first sealing ring, the sealing performance between the first sealing ring and the connecting seat is improved, the oil wellhead sealing device can realize the high-efficiency sealing of the oil wellhead without dismounting and renovating through the arrangement of triple sealing, and simultaneously, the failure of the sealing, greatly improving the working efficiency, avoiding blowout accidents and improving the efficiency of oil exploitation.
2. According to the invention, dirt or small metal parts stained on the outer surface of the polished rod are removed through the dirt removing bristles arranged in the middle of the collecting tank, meanwhile, the dirt or small metal parts are brushed and dropped into the collecting tank, metal particles are collected through the magnet piece, the metal particles are prevented from dropping to the ground and being stained on the polished rod used next time, when the polished rod is used, the arc-shaped rod is pushed through the hard spring, the arc-shaped rod pushes the oil removing ring to tightly press the side wall of the polished rod, so that when the polished rod is pulled in work, oil stains cannot enter the sealing device due to extrusion or gaps, a cleaning effect is also provided for the polished rod, meanwhile, a protection effect is also provided for the oil well mouth sealing device, and the oil well mouth sealing device is.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a top view of the oil ring installation of the present invention;
FIG. 3 is a side view of the press wheel of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 1;
FIG. 5 is an enlarged view of FIG. 1 at B;
fig. 6 is an enlarged view of fig. 1 at C.
Wherein, 1, a centralizer; 2. an agent injection pipe; 3. a seal bolt; 4. a compression bolt; 5. a pressure wheel; 6. collecting tank; 7. a first sealed chamber; 8. a gasket; 9. a first seal ring; 10. a connecting seat; 11. a pressure gauge; 12. a sealing seat; 13. a polish rod; 14. an arcuate bar; 15. removing an oil ring; 16. cleaning bristles; 17. a strut; 18. a second sealed chamber; 19. a second seal ring; 20. a spinning wheel; 21. a rotation pin; 22. a first rotating shaft; 23. a second rotating shaft; 24. a sliding cavity; 25. a hard spring; 26. positioning pins; 27. and a magnet piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-6, an embodiment of the present invention provides an oil recovery wellhead sealing protection device, which includes a sealing seat 12, wherein the sealing seat 12 realizes a first layer of sealing of an oil wellhead, a polish rod 13 vertically penetrates through the middle portion of the sealing seat 12, sliding cavities 24 are respectively disposed on the middle portion sides of both sides of the lower end of the sealing seat 12, the sliding cavities 24 are used for pushing an arc rod 14 by a hard spring 25, a pressure gauge 11 is disposed on the side wall of the middle portion of the sealing seat 12, the pressure gauge 11 is used for detecting the pressure of the sealing in the oil wellhead, a connecting seat 10 is connected to the outer periphery of the upper end of the sealing seat 12 in a threaded manner, the connecting seat 10 is used for the second time sealing of the oil wellhead, the polish rod 13 vertically penetrates through the middle portion of the connecting seat 10, a second sealing cavity 18 is formed between the inner top portion of the connecting seat 10 and the sealing seat 12, a second sealing ring 19 is disposed on the inner bottom portion, the setting of second sealing washer 19 is in the periphery of polished rod 13, the interior middle part of connecting seat 10 and polished rod 13 form first seal chamber 7, the interior bottom of first seal chamber 7 is provided with first sealing washer 9, first sealing washer 9 and first seal chamber 7 are used for connecting seat 10 to the sealed of polished rod 13, first sealing washer 9 sets up the periphery at polished rod 13, the middle part both sides on connecting seat 10 top are all through locating pin 26 fixed connection collecting vat 6, the vertical polished rod 13 that has run through in middle part of collecting vat 6, collecting vat 6 is used for collecting the dirty or the metal finding that is brushed off by decontamination brush hair 16 above the polished rod 13.
The equal fixedly connected with stereoplasm spring 25 of the interior roof of sliding chamber 24, the equal fixed connection of lower extreme of stereoplasm spring 25 is in the upper end of arc pole 14, the lower extreme of arc pole 14 all rotates through first pivot 22 and connects two outside lower parts at oil removal circle 15, oil removal circle 15 comprises two semicircular rubber rings, oil removal circle 15's upper end all rotates through second pivot 23 and connects in the lower surface one side that seal receptacle 12 is close to polished rod 13, oil removal circle 15's inboard all laminates the outer wall at polished rod 13, promote arc pole 14 through stereoplasm spring 25, arc pole 14 promotes oil removal circle 15 and closely extrudes the lateral wall of polished rod 13, make polished rod 13 when the work pull, the oil stain can not get into sealing device because of extrusion or gap, not only has a cleaning action to polished rod 13, also be to the effect of protecting of oil well mouth sealing device simultaneously.
Both sides of middle part all are provided with centralizer 1 in seal receptacle 12, and centralizer 1 all laminates the setting in the both sides of polished rod 13, and polished rod 13 can produce a little slope because of the motion when using, so use the continuous adjustment polished rod 13 of centralizer 1, make sealed better.
Four supporting rods 17 are uniformly distributed on two sides of the middle of the lower surface of the connecting seat 10 and on the inner top wall of the second sealing cavity 18, the middle of the lower end of each supporting rod 17 is rotatably connected with a spinning wheel 20 through a rotating pin 21, each spinning wheel 20 is tangent to the upper surface of the second sealing ring 19, the supporting rods 17 drive the spinning wheels 20 to rotate by twisting the connecting seat 10, the spinning wheels 20 press the second sealing rings 19, and the sealing performance of the second sealing rings 19 and the polished rods 13 is improved.
The both sides of second seal chamber 18 and all run through in the lower extreme lateral wall of connecting seat 10 and annotate agent pipe 2, annotate the middle part of agent pipe 2 and have sealing bolt 3 at connecting seat 10 internal thread connection, sealing bolt 3's lower extreme is provided with aperture and aperture intercommunication and annotates agent pipe 2, twist and move sealing bolt 3, make and annotate agent pipe 2 and open, through annotating the agent pipe 2 and annotate the sealant into in second seal chamber 18, it is sealed to twist and move sealing bolt 3 after injecting well, make effectual sealing between seal receptacle 12 and the polished rod 13.
Lateral wall evenly distributed of connecting seat 10 upper end has four pressure bolt 4, pressure bolt 4 all with connecting seat 10 threaded connection, all be provided with sealed pad 8 between the outer wall of pressure bolt 4 and connecting seat 10, pressure bolt 4 keeps away from the inside upper end that sealed pad 8's one end all extends to first sealed chamber 7, the equal fixed connection of one end of pressure bolt 4 in first sealed chamber 7 is in the center one side of pressure wheel 5, pressure wheel 5 all laminates the upper surface at first sealing washer 9, twist and move pressure bolt 4, pressure bolt 4 drives pressure wheel 5, pressure wheel 5 is through the first sealing washer 9 of extrusion, promote the leakproofness between first sealing washer 9 and the connecting seat 10.
The upper end of the inner middle part of the collecting groove 6 is uniformly provided with decontamination bristles 16 on the periphery of the polished rod 13, the decontamination bristles 16 are made of nylon materials, the periphery of the inner middle part of the collecting groove 6 is provided with magnet sheets 27, and the decontamination bristles 16 brush dirt and metal particles on the outer surface of the polished rod 13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an oil recovery well head seal protection device, includes seal receptacle (12), its characterized in that: a polish rod (13) vertically penetrates through the middle of the sealing seat (12), sliding cavities (24) are formed in the side portions of the middle portions of the two sides of the lower end of the sealing seat (12), a pressure gauge (11) is arranged on the side wall of one side of the middle portion of the sealing seat (12), a connecting seat (10) is connected to the periphery of the upper end of the sealing seat (12) in a threaded mode, the polish rod (13) vertically penetrates through the middle of the connecting seat (10), a second sealing cavity (18) is formed between the inner top of the connecting seat (10) and the sealing seat (12), a second sealing ring (19) is arranged at the inner bottom of the second sealing cavity (18), the second sealing ring (19) is arranged on the periphery of the polish rod (13), a first sealing cavity (7) is formed by the inner middle of the connecting seat (10) and the polish rod (13), and a first sealing ring (9) is arranged at the inner, first sealing washer (9) set up in the periphery of polished rod (13), the middle part both sides on connecting seat (10) top all are through locating pin (26) fixed connection collecting vat (6), the vertical polished rod (13) that has run through in middle part of collecting vat (6).
2. The production wellhead seal protection device of claim 1, wherein: the equal fixedly connected with stereoplasm spring (25) of the interior roof of sliding chamber (24), the equal fixed connection of lower extreme of stereoplasm spring (25) is in the upper end of arc pole (14), the lower extreme of arc pole (14) all rotates through first pivot (22) and connects two outside lower parts of removing oil ring (15), it comprises two semicircular rubber rings to remove oil ring (15), the upper end of removing oil ring (15) all rotates through second pivot (23) and connects lower surface one side that is close to polish rod (13) in seal receptacle (12), the inboard of removing oil ring (15) all laminates at the outer wall of polish rod (13).
3. The production wellhead seal protection device of claim 1, wherein: centralizers (1) are arranged on two sides of the middle part in the sealing seat (12), and the centralizers (1) are attached to two sides of the polish rod (13).
4. The production wellhead seal protection device of claim 1, wherein: four supporting rods (17) are uniformly distributed on two sides of the middle of the lower surface of the connecting seat (10) and on the inner top wall of the second sealing cavity (18), the middle of the lower end of each supporting rod (17) is rotatably connected with a spinning wheel (20) through a rotating pin (21), and each spinning wheel (20) is tangent to the upper surface of the second sealing ring (19).
5. The production wellhead seal protection device of claim 1, wherein: the two sides of the second sealing cavity (18) penetrate through the agent injection pipe (2) in the side wall of the lower end of the connecting seat (10), the middle of the agent injection pipe (2) is connected with a sealing bolt (3) in the connecting seat (10) in an internal thread mode, and the lower end of the sealing bolt (3) is provided with a small hole and the small hole is communicated with the agent injection pipe (2).
6. The production wellhead seal protection device of claim 1, wherein: the utility model discloses a pressure wheel, including connecting seat (10), lateral wall evenly distributed of upper end has four pressure bolt (4), pressure bolt (4) all with connecting seat (10) threaded connection, all be provided with sealed pad (8) between the outer wall of pressure bolt (4) and connecting seat (10), the one end that sealed pad (8) were kept away from in pressure bolt (4) all extends to the inside upper end of first sealed chamber (7), the equal fixed connection of one end in first sealed chamber (7) of pressure bolt (4) is in center one side of pressure wheel (5), pressure wheel (5) all laminate the upper surface at first sealing washer (9).
7. The production wellhead seal protection device of claim 1, wherein: the improved oil-water separation device is characterized in that decontamination bristles (16) are evenly arranged at the upper end of the inner middle of the collecting tank (6) and on the periphery of the polish rod (13), the decontamination bristles (16) are all made of nylon, and magnet pieces (27) are arranged on the periphery of the inner middle of the collecting tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070712.0A CN112412381B (en) | 2021-01-19 | 2021-01-19 | Oil recovery well head sealing protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070712.0A CN112412381B (en) | 2021-01-19 | 2021-01-19 | Oil recovery well head sealing protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112412381A true CN112412381A (en) | 2021-02-26 |
| CN112412381B CN112412381B (en) | 2021-06-11 |
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ID=74782931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110070712.0A Active CN112412381B (en) | 2021-01-19 | 2021-01-19 | Oil recovery well head sealing protection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112412381B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216888A (en) * | 2021-05-13 | 2021-08-06 | 烟台大学 | Novel magnetic sealing structure device for polished rod |
| RU2775401C1 (en) * | 2021-07-15 | 2022-06-30 | Общество с ограниченной ответственностью "Композитъ" | Wellhead blowout prevention stuffing box with high water cut of wells |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216888A (en) * | 2021-05-13 | 2021-08-06 | 烟台大学 | Novel magnetic sealing structure device for polished rod |
| RU2775401C1 (en) * | 2021-07-15 | 2022-06-30 | Общество с ограниченной ответственностью "Композитъ" | Wellhead blowout prevention stuffing box with high water cut of wells |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112412381B (en) | 2021-06-11 |
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