CN219826770U - Can improve sealed effect's wellhead sealer - Google Patents
Can improve sealed effect's wellhead sealer Download PDFInfo
- Publication number
- CN219826770U CN219826770U CN202321316462.5U CN202321316462U CN219826770U CN 219826770 U CN219826770 U CN 219826770U CN 202321316462 U CN202321316462 U CN 202321316462U CN 219826770 U CN219826770 U CN 219826770U
- Authority
- CN
- China
- Prior art keywords
- sealing
- sleeve
- sealed
- sealing washer
- retaining ring
- 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
- 230000000694 effects Effects 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 183
- 238000012856 packing Methods 0.000 claims description 12
- 238000005498 polishing Methods 0.000 claims 1
- 239000000945 filler Substances 0.000 abstract description 12
- 239000003129 oil well Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a wellhead sealer capable of improving sealing effect, belongs to the technical field of wellhead sealing of oil wells, and aims to solve the problems of poor sealing performance and short sealing period when an existing sealing device is used. Through adapter sleeve, first retaining ring, seal cover, the second retaining ring, sealed lid, first sealing washer, the second sealing washer, the third sealing washer, the fourth sealing washer, the filler chamber, sealing filler, the fifth sealing washer, the sixth sealing washer, the sealed chamber, the screw rod, the sealing plug, rubber seal body and hand wheel's setting, first sealing washer and second retaining ring prevent the base, adapter sleeve and seal cover from moving from top to bottom, filler chamber and sealing filler can realize the filler seal in the pole outside, utilize the hand wheel can make the screw rod drive the sealing plug and remove and extrude the rubber seal body in the sealed intracavity, thereby seal the pole outside, a plurality of places adopt the sealing washer to seal, multiple sealing methods have improved the sealed effect to the pole, and sealing cycle has been prolonged.
Description
Technical Field
The utility model relates to the technical field of wellhead sealing of oil wells, in particular to a wellhead sealer capable of improving sealing effect.
Background
An oil well is a borehole drilled by a drilling method. After the oil well reaches the oil layer, the oil layer casing is lowered, and the annular space between the casing and the well wall is filled with oil well cement to maintain the well wall and to seal oil, gas and water layers. And an oil pumping polished rod sealing device is arranged at the wellhead.
When the existing sealing device is used, the sealing performance is poor, the sealing period is short, and oil leakage is easy to occur after the sealing device is used for a period of time.
Disclosure of Invention
In view of the problems existing in the prior art, the utility model discloses a wellhead sealer capable of improving sealing effect, the technical scheme adopted is that the wellhead sealer comprises a polished rod and a base, wherein the polished rod is arranged in the base in a penetrating manner, a connecting sleeve is sleeved above the base on the polished rod, the polished rod above the base can be sealed through the arrangement of the connecting sleeve, two first check rings are detachably connected to the outer sides of the base and the connecting sleeve, the base can be tightly connected with the connecting sleeve through the arrangement of the first check rings, the base and the connecting sleeve are prevented from moving up and down, a sealing sleeve is sleeved above the connecting sleeve on the polished rod, two second check rings are detachably connected to the outer sides between the connecting sleeve and the sealing sleeve through the arrangement of the sealing sleeve, the connecting sleeve and the sealing sleeve can be tightly connected through the arrangement of the second check rings, the sealing sleeve and the sealing sleeve are prevented from moving up and down, a sealing cover is connected to the upper thread of the sealing sleeve, the top of the sealing sleeve can be sealed through the arrangement of the sealing cover, a plurality of first sealing rings are arranged on the inner sides of the base, the outer sides of the base are provided with a plurality of sealing rings, the sealing gaskets are respectively arranged on the outer sides of the sealing sleeve and the sealing sleeve, the sealing sleeve can be fixedly connected with the bottom surfaces of the base through the first sealing sleeve and the sealing sleeve through the first sealing sleeve and the second sealing ring, the sealing gasket and the sealing gasket are arranged between the sealing gasket and the sealing sleeve, the sealing gasket can be fixedly connected with the sealing bottom surfaces of the sealing sleeve through the sealing sleeve and the sealing gasket, through the setting of third sealing washer, can improve the leakproofness between adapter sleeve and the second retaining ring, the outside of seal cover is provided with the fourth sealing washer, through the setting of fourth sealing washer, can improve the leakproofness in the seal cover outside, the packing chamber has been seted up to the inside of seal cover, the packing intracavity is filled with sealing filler, through the setting of packing chamber and sealing filler, can realize the packing seal in the dead bolt outside, the top of seal cover is provided with the fifth sealing washer, through the setting of fifth sealing washer, can improve the leakproofness between sealed lid and the seal cover, the inboard of sealed lid is provided with a plurality of sixth sealing washers, can improve the leakproofness between polished rod and the sealed lid through the setting of sixth sealing washer, the seal chamber has been seted up to the inside of second retaining ring, through the setting of seal chamber, can make things convenient for the activity of sealing plug, second internal thread connection has the screw rod, the one end of screw rod is located the inside swing joint of seal chamber has the sealing plug, one side of sealing plug is provided with the rubber seal body, the one end fixedly connected with hand wheel of sealing plug in the one end of screw rod of keeping away from the sealing plug, through screw rod, hand wheel, rubber seal body and the setting up and can utilize the sealing plug to drive the screw rod through screw rod, further rotation to extrude the sealing plug outside the sealing plug.
As a preferable technical scheme of the utility model, the bottom outside the connecting sleeve is provided with the first clamping groove, the top of the first check ring is positioned on the first clamping groove, the inner top wall of the first check ring is fixedly connected with the second sealing gasket, the second sealing gasket is abutted with the inner bottom wall of the first clamping groove, the first clamping groove can conveniently clamp the first check ring and the blocking sleeve through the arrangement of the first clamping groove and the second sealing gasket, and the second sealing gasket can prevent oil gas from flowing out from the top of the first check ring and improve the sealing performance.
As a preferable technical scheme of the utility model, the outside of the sealing sleeve is provided with the second clamping groove, the top and the bottom of the second check ring are fixedly connected with the blocking sleeve, the blocking sleeve is clamped with the second clamping groove above, the blocking sleeve is abutted with the inner top wall of the first clamping groove below, and the blocking sleeve can be clamped by the second clamping groove and the blocking sleeve through the arrangement of the second clamping groove, so that the sealing sleeve is prevented from moving up and down.
As a preferable technical scheme of the utility model, connecting pieces are fixedly connected to the connecting ends of the first check ring, the second check ring and the retaining sleeve, a third sealing gasket is fixedly connected to the opposite side of the connecting pieces, the connecting pieces are connected through bolts, and the connecting pieces can be fixedly connected through the arrangement of the connecting pieces, the third sealing gasket and the bolts, so that the first check ring, the second check ring and the retaining sleeve are fixedly connected through the bolts, the sealing property between the connecting pieces is improved through the third sealing gasket, and leakage is prevented.
As a preferable technical scheme of the utility model, the outer surface of the sealing cover is provided with the anti-skid patterns, and the anti-skid property of the outer surface of the sealing cover can be improved through the arrangement of the anti-skid patterns, so that the sealing cover can be rotated conveniently.
The utility model has the beneficial effects that: the utility model adopts the arrangement of the connecting sleeve, the first check ring, the sealing sleeve, the second check ring, the sealing cover, the first sealing ring, the second sealing ring, the third sealing ring, the fourth sealing ring, the filling cavity, the sealing filling, the fifth sealing ring, the sixth sealing ring, the sealing cavity, the screw rod, the sealing plug, the rubber sealing body and the hand wheel, the connecting sleeve, the first check ring, the sealing sleeve, the second check ring and the sealing cover can seal the outer side of the polish rod, the first sealing ring and the second check ring can prevent the base, the connecting sleeve and the sealing sleeve from moving up and down, the first sealing ring can improve the tightness of the connection between the polish rod and the base, the second sealing ring can improve the tightness of the connection between the first check ring and the base, the third sealing ring can improve the leakproofness between adapter sleeve and the second retaining ring, the fourth sealing ring can improve the leakproofness in seal cover outside, the fifth sealing ring can improve the leakproofness between sealed lid and the seal cover, the sixth sealing ring can improve the leakproofness between polished rod and the sealed lid, the packing chamber can realize the packing seal in the polished rod outside with sealed packing, improve the leakproofness of seal cover, further, utilize the hand wheel can rotate the screw rod, make the screw rod drive the sealing plug and remove and extrude the rubber seal body in sealed intracavity, thereby further seal the polished rod outside, the polished rod outside adopts many sealings, multiple sealing means has improved the sealed effect to the polished rod, and sealing cycle has been prolonged.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present utility model;
FIG. 2 is a schematic view of a front view partially in cross section;
fig. 3 is a schematic view of a front view in cross section.
In the figure: 1. a polish rod; 2. a base; 3. connecting sleeves; 4. a first retainer ring; 5. sealing sleeve; 6. the second check ring; 7. sealing cover; 8. a first seal ring; 9. a second seal ring; 10. a first gasket; 11. a third seal ring; 12. a fourth seal ring; 13. a filler cavity; 14. sealing filler; 15. a fifth seal ring; 16. a sixth seal ring; 17. sealing the cavity; 18. a screw; 19. a sealing plug; 20. a rubber seal; 21. a hand wheel; 22. a first clamping groove; 23. a second gasket; 24. a second clamping groove; 25. a blocking sleeve; 26. a connecting sheet; 27. a third sealing gasket; 28. a bolt; 29. anti-skid lines.
Detailed Description
Example 1
As shown in fig. 1 to 3, the utility model discloses a wellhead sealer capable of improving sealing effect, which adopts the technical scheme that the wellhead sealer comprises a polished rod 1 and a base 2, wherein the polished rod 1 is arranged in the base 2 in a penetrating way, a plurality of first sealing rings 8 are arranged on the inner side of the base 2 for improving the sealing performance of the base 2, a connecting sleeve 3 is sleeved on the polished rod 1 above the base 2 for sleeving and sealing the outer side of the polished rod 1, a sealing sleeve 5 is sleeved on the polished rod 1 above the connecting sleeve 3 for preventing the base 2 and the connecting sleeve 3 from moving up and down, two first check rings 4 are detachably connected on the outer sides of the base 2 and the connecting sleeve 3, a first clamping groove 22 is arranged at the bottom of the outer side of the connecting sleeve 3, the top of the first check ring 4 is positioned on the first clamping groove 22, a second sealing ring 9 is arranged on the outer side of the base 2 for improving the sealing performance of the connecting sleeve 3 and the first check ring 4, the upper surface of the base 2 is fixedly connected with a first sealing gasket 10 at the bottom end of the connecting sleeve 3, the inner top wall of the first retaining ring 4 is fixedly connected with a second sealing gasket 23, the second sealing gasket 23 is abutted with the inner bottom wall of the first clamping groove 22, in order to prevent the connecting sleeve 3 and the sealing sleeve 5 from moving up and down, two second retaining rings 6 are detachably connected on the outer side of the polish rod 1 between the connecting sleeve 3 and the sealing sleeve 5, the upper surface of the connecting sleeve 3 and the lower surface of the sealing sleeve 5 are abutted with the surfaces of the second retaining rings 6, a second clamping groove 24 is formed on the outer side of the sealing sleeve 5, the top and the bottom of the second retaining rings 6 are fixedly connected with a retaining sleeve 25, the upper retaining sleeve 25 is clamped with the second clamping groove 24, the lower retaining sleeve 25 is abutted with the inner top wall of the first clamping groove 22, in order to improve the tightness of the connecting sleeve 3, the sealing sleeve 5 and the second retaining rings 6, a third sealing ring 11 is arranged on the upper surface of the connecting sleeve 3, the outside of seal cover 5 is provided with fourth sealing washer 12, the packing chamber 13 has been seted up to the inside of seal cover 5, the packing chamber 13 intussuseption is filled with sealing filler 14, and the sealed chamber 17 has been seted up in the inside of second retaining ring 6, second retaining ring 6 internal thread connection has screw 18, the one end of screw 18 is located the inside swing joint of sealed chamber 17 has sealing plug 19, one side of sealing plug 19 is provided with rubber seal 20, one end fixedly connected with hand wheel 21 of sealing plug 19 is kept away from to screw 18, in order to seal the top of packing chamber 13, threaded connection has sealed lid 7 on seal cover 5, the surface of sealed lid 7 is provided with anti-skidding line 29, the top of seal cover 5 is provided with fifth sealing washer 15, in order to improve the leakproofness between sealed lid 7 and the polished rod 1, be provided with a plurality of sixth sealing washer 16 in the inboard of sealed lid 7, in order to conveniently dismantle first retaining ring 4 and second retaining ring 6, the link 26 is all fixedly connected with connection piece 26 in two first retaining ring 4, the link between two second retaining ring 6 and retaining ring 25, the opposite side fixedly connected with third sealing washer 27 of connection piece 26, through 28 connection between the connection piece 26.
The working principle of the utility model is as follows: when the sealer is used for sealing the polish rod 1, the base 2, the connecting sleeve 3 and the sealing sleeve 5 are sequentially sleeved on the polish rod 1, then the sealing filler 14 is injected into the filler cavity 13, the sealing cover 7 is used for sealing the top of the sealing sleeve 5, then the connecting piece 26 of the first check ring 4 and the second check ring 6 are fixedly connected by the bolt 28, finally the screw 18 is rotated by the hand wheel 21, so that the screw 18 drives the sealing plug 19 to move in the sealing cavity 17 and extrude the rubber sealing body 20, the outer side of the polish rod 1 is further sealed, and meanwhile, the first sealing ring 8, the second sealing ring 9, the third sealing ring 11, the fourth sealing ring 12, the fifth sealing ring 15 and the sixth sealing ring 16 are sealed at multiple positions, so that the sealing effect is further improved, and leakage is prevented.
The mechanical connection according to the utility model is a customary practice adopted by the person skilled in the art, and the technical teaching can be obtained by a limited number of tests, which belongs to the common general knowledge.
The components not described in detail herein are prior art.
Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.
Claims (5)
1. Can improve well head sealer of sealed effect, including polished rod (1) and base (2), polished rod (1) wear to establish in base (2), its characterized in that: the utility model discloses a novel polishing device, including polished rod (1), base (2), connecting sleeve (3), sealing sleeve (5) is located the top cover of connecting sleeve (3), sealing sleeve (5) is located the outside between connecting sleeve (3) and sealing sleeve (5) on polished rod (1), sealing sleeve (5) is threaded connection has sealed lid (7), the inboard of base (2) is provided with a plurality of first sealing washer (8), the outside of base (2) is provided with second sealing washer (9), the upper surface of base (2) is located the bottom fixedly connected with first sealing washer (10) of connecting sleeve (3), the upper surface of connecting sleeve (3) and the lower surface of sealing sleeve (5) all with second retaining ring (6) surface butt, the upper surface of connecting sleeve (3) is provided with third sealing washer (11), the outside of sealing sleeve (5) is provided with sealed lid (7), the inside of sealing sleeve (5) is provided with a plurality of first sealing washer (8), the inside of sealing sleeve (5) is provided with sealing washer (13), the packing (13) is filled with packing (13), the inside of sealed lid (7) is provided with a plurality of sixth sealing washer (16), sealed chamber (17) have been seted up to the inside of second retaining ring (6), threaded connection has screw rod (18) in second retaining ring (6), the inside swing joint of one end of screw rod (18) in sealed chamber (17) has sealing plug (19), one side of sealing plug (19) is provided with rubber seal body (20), one end fixedly connected with hand wheel (21) of sealing plug (19) are kept away from to screw rod (18).
2. A wellhead sealer capable of improving sealing effect according to claim 1, characterized in that: the bottom outside adapter sleeve (3) is provided with first draw-in groove (22), the top of first retaining ring (4) is located first draw-in groove (22), the interior roof fixedly connected with second sealed pad (23) of first retaining ring (4), the interior bottom wall butt of second sealed pad (23) and first draw-in groove (22).
3. A wellhead sealer capable of improving sealing effect according to claim 2, characterized in that: the outside of seal cover (5) has seted up second draw-in groove (24), the top and the bottom of second retaining ring (6) are all fixedly connected with keeps off cover (25), top keep off cover (25) and second draw-in groove (24) joint, below keep off cover (25) and the interior roof butt of first draw-in groove (22).
4. A wellhead sealer capable of improving sealing effect according to claim 3, characterized in that: the two first check rings (4), the two second check rings (6) and the connecting ends of the baffle sleeve (25) are fixedly connected with connecting pieces (26), one side, opposite to the connecting pieces (26), of each connecting piece is fixedly connected with a third sealing gasket (27), and the connecting pieces (26) are connected through bolts (28).
5. A wellhead sealer capable of improving sealing effect according to claim 1, characterized in that: the outer surface of the sealing cover (7) is provided with anti-skid patterns (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321316462.5U CN219826770U (en) | 2023-05-29 | 2023-05-29 | Can improve sealed effect's wellhead sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321316462.5U CN219826770U (en) | 2023-05-29 | 2023-05-29 | Can improve sealed effect's wellhead sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219826770U true CN219826770U (en) | 2023-10-13 |
Family
ID=88285433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321316462.5U Active CN219826770U (en) | 2023-05-29 | 2023-05-29 | Can improve sealed effect's wellhead sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219826770U (en) |
-
2023
- 2023-05-29 CN CN202321316462.5U patent/CN219826770U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |