CN203961885U - Wellhead polish rod sealing blowout hookup - Google Patents
Wellhead polish rod sealing blowout hookup Download PDFInfo
- Publication number
- CN203961885U CN203961885U CN201420395887.4U CN201420395887U CN203961885U CN 203961885 U CN203961885 U CN 203961885U CN 201420395887 U CN201420395887 U CN 201420395887U CN 203961885 U CN203961885 U CN 203961885U
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- CN
- China
- Prior art keywords
- packing
- cover
- blowout prevention
- righting
- blowout
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 238000012856 packing Methods 0.000 claims abstract description 93
- 230000002265 prevention Effects 0.000 claims abstract description 54
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 5
- 239000010779 crude oil Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Wellhead polish rod sealing blowout hookup, comprises polished rod, packing pressure pad, packing pressure cap, combination shape Screw disk-seal tube, body, righting overcurrent cover, blowout prevention tapered packing, taper blowout prevention cover, packing cover pressure cap, seal receptacle, sealing ring, blowout prevention righting overcoat, polished rod supporting positive cover, broken caye the apotheca of packing, packing pressure pad, packing pressure cap, combination shape Screw disk-seal tube, body, righting overcurrent cover, seal receptacle composition primary seal device, blowout prevention tapered packing, taper blowout prevention cover, packing cover pressure cap, seal receptacle, sealing ring, blowout prevention righting overcoat, polished rod supporting positive cover, broken caye the apotheca composition of tee junction packing secondary blowout control sealing device, when the work of primary seal device, secondary blowout hookup is in off working state, while changing the packing in primary seal device, rotatory sealing seat, drives taper blowout prevention cover compression blowout-preventing cone shape packing, play the effect of blowout prevention, primary seal device can be taken apart and add the packing of changing in it, therefore, can in the situation that not stopping well, change work packing.
Description
technical field:
The utility model is the wellhead assembly that oil exploitation is used, and is the sealing blowout hookup at pumpingh well oil-out place, specifically wellhead polish rod sealing blowout hookup.
Background technology
Existing polish rod sealing blowout preventer kind is more, but all exists certain defect, if any poor sealing, the frequent leakage of oil of well head, had both caused crude oil loss, caused again environment pollution.For fear of well head leakage of oil, need often to change the seal of polish rod anti-blowout device, and current polish rod anti-blowout device just can be changed the work of seal all need to stop well in the time changing seal after.Frequently stop well replacing seal and easily make the sand grains in oil pipe on pump sink, cause sand card oil well pump, occur changing the problem that can not continue to drive a well after careful sealing, occur the well of lying, need operation well workover could recover oil well production, economic loss tool is large.
Summary of the invention
The purpose of this utility model is a kind of wellhead polish rod sealing of design blowout hookup, overcomes the problem of above-mentioned existence, can in oil pumping process, change seal, while making it change seal, does not need to stop well, avoids changing because stopping well the well of lying that seal causes.
The purpose of this utility model is achieved in that and comprises polished rod, packing pressure pad, packing pressure cap, combination shape Screw disk-seal tube, body, righting overcurrent cover, blowout prevention tapered packing, taper blowout prevention cover, packing cover pressure cap, seal receptacle, sealing ring, blowout prevention righting overcoat, polished rod supporting positive cover, broken caye the apotheca of tee junction packing, combination shape Screw disk-seal tube is installed in body, on combination shape Screw disk-seal tube, packing pressure pad is installed, packing pressure cap is connected with the top of body, after being installed in the bottom of body, righting overcurrent cover is threaded with seal receptacle, junction end face compresses, the round taper hole on righting overcurrent cover top coordinates with the taper shape of combination shape Screw disk-seal tube bottom, in the bottom of seal receptacle, put into taper blowout prevention cover, packing the cover external screw thread of pressure cap and being threaded in seal receptacle, make its fixing taper blowout prevention cover, in taper blowout prevention cover, put into blowout prevention tapered packing, both conical surface contacts, in the top of seal receptacle, there is cavity, cavity is on taper blowout prevention cover, polished rod supporting positive cover is placed in blowout prevention righting overcoat, the external screw thread of blowout prevention righting overcoat is connected with the upper internal threaded of broken caye the apotheca of tee junction packing, after being set with sealing ring outside the top of broken caye the apotheca of tee junction packing, its external screw thread is connected with the lower internal thread of seal receptacle, the lower end that makes the upper end of blowout prevention righting overcoat withstand blowout prevention tapered packing, the sealed circle sealing in gap on broken caye the apotheca junction of seal receptacle and tee junction packing, polished rod is through packing pressure pad, packing pressure cap, combination shape Screw disk-seal tube, righting overcurrent cover, blowout prevention tapered packing, polished rod supporting positive cover, broken caye the apotheca of tee junction packing.
Body top thread jacket dress antiseepage packing, antiseepage packing is set with antiseepage nut outward, and antiseepage nut is threaded with packing pressure cap, and the inner conical surface of antiseepage nut is pushed down the male cone (strobilus masculinus) of antiseepage packing.
The beneficial effects of the utility model are: packing pressure pad, packing pressure cap, combination shape Screw disk-seal tube, body, righting overcurrent cover, seal receptacle composition primary seal device, blowout prevention tapered packing, taper blowout prevention cover, packing cover pressure cap, seal receptacle, sealing ring, blowout prevention righting overcoat, polished rod supporting positive cover, broken caye the apotheca composition of tee junction packing secondary blowout control sealing device, when the work of primary seal device, secondary blowout hookup is in off working state, in the time that the packing in primary seal device need to be changed, rotatory sealing seat, it is walked downwards, drive taper blowout prevention cover compression blowout-preventing cone shape packing, make it pack tightly polished rod, play the effect of blowout prevention, thereby make secondary blowout hookup in running order, primary seal device can be taken the packing of changing in it apart, therefore, can in the situation that not stopping well, change work packing, can avoid changing because stopping well the well of lying that packing causes, there is significant economic benefit.
Brief description of the drawings
Fig. 1 is the assembling drawing of the utility model embodiment.
Specific embodiment
Below in conjunction with Fig. 1, the utility model embodiment is described.
As seen from the figure, embodiment of the present utility model comprises polished rod 1, packing pressure pad 2, packing pressure cap 3, antiseepage packing 4, antiseepage nut 5, combination shape Screw disk-seal tube 7, body 6, righting overcurrent cover 8, blowout prevention tapered packing 9, taper blowout prevention cover 10, packing cover pressure cap 11, seal receptacle 12, sealing ring 13, blowout prevention righting overcoat 14, polished rod supporting positive cover 15, broken caye the apotheca 17 of tee junction packing, the interior installation combination of body 6 shape Screw disk-seal tube 7, on combination shape Screw disk-seal tube 7, packing pressure pad 2 is installed, packing pressure cap 3 is connected with the top of body 6, after being installed in the bottom of body 6, righting overcurrent cover 8 is threaded with seal receptacle 12, junction end face compresses, ensure sealing herein, also can install herein sealing ring additional and ensure sealing herein, the round taper hole that righting overcurrent overlaps 8 tops coordinates with the taper shape of combination shape Screw disk-seal tube 7 bottoms, in the bottom of seal receptacle 12, put into taper blowout prevention cover 10, packing the cover external screw thread of pressure cap 11 and being threaded in seal receptacle 12, make its fixing taper blowout prevention cover 10, in taper blowout prevention cover 10, put into blowout prevention tapered packing 9, both conical surface contacts, when being subject to axial force, the conical surface easily produces radial deformation, increase the reliability of sealing, in the top of seal receptacle, there is cavity 16, cavity 16 is on taper blowout prevention cover, polished rod supporting positive cover 15 is placed in blowout prevention righting overcoat 14, the external screw thread of blowout prevention righting overcoat 14 is connected with the upper internal threaded of broken caye the apotheca 17 of tee junction packing, blowout prevention righting overcoat 14 and broken caye the apotheca 17 of tee junction packing are become one to be maintained static, after being set with sealing ring 13 outside the top of broken caye the apotheca 17 of tee junction packing, its external screw thread is connected with the lower internal thread of seal receptacle 12, the lower end that makes the upper end of blowout prevention righting overcoat 14 withstand blowout prevention tapered packing 9, seal receptacle 12 seals with the sealed circle 13 in gap on broken caye the apotheca of tee junction packing 17 junctions, polished rod 1 is crossed packing pressure pad 2, packing pressure cap 3, combination shape Screw disk-seal tube 7, righting overcurrent cover 8, blowout prevention tapered packing 9, polished rod supporting positive cover 15, broken caye the apotheca 17 of tee junction packing.Further scheme of the present utility model is, body 6 top thread jacket dress antiseepage packings 4, the outer suit antiseepage of antiseepage packing 4 nut 5, antiseepage nut 5 is threaded with packing pressure cap 3, the inner conical surface of antiseepage nut 5 is pushed down the male cone (strobilus masculinus) of antiseepage packing 4, is compressed antiseepage packing 4 and reached the outside object of seal body 6 by rotating anti-leakage nut 5.
Packing pressure pad 2, righting overcurrent cover 8, polished rod supporting positive cover 15 can righting polished rods 1, polished rod 1 is mediated, be convenient to get dress combination shape Screw disk-seal tube 7, the cavity 16 arranging can be collected the combination shape Screw disk-seal tube 7 of wearing into fragment, before adding seal, do not need to take out old Screw disk-seal tube, greatly reduce the replacing time of seal, very easy to use.
After having changed combination shape Screw disk-seal tube 7, make it in running order, then rotary sealing seat 12, making it in off working state, well head is still in sealing blowout prevention state, and in well, crude oil can only flow away from the outlet of wellhead tee joint.
Combination shape Screw disk-seal tube 7 is made up of rectangle packing, cylindrical Screw disk-seal tube, tapered auger packing.
In order to prevent that body 6 and seal receptacle 12 junctions from releasing, can install check pin additional two junctions.For the leakage of anti-junction here, can on compression end face, install sealing ring additional.
Claims (2)
1. wellhead polish rod sealing blowout hookup, comprise polished rod (1), packing pressure pad (2), packing pressure cap (3), body (6), combination shape Screw disk-seal tube (7), righting overcurrent cover (8), blowout prevention tapered packing (9), taper blowout prevention cover (10), packing cover pressure cap (11), seal receptacle (12), sealing ring (13), blowout prevention righting overcoat (14), polished rod supporting positive cover (15), broken caye the apotheca of tee junction packing (17), it is characterized in that: combination shape Screw disk-seal tube (7) is installed in body (6), on combination shape Screw disk-seal tube (7), packing pressure pad (2) is installed, packing pressure cap (3) is connected with the top of body (6), after righting overcurrent cover (8) being installed in the bottom of body (6), be threaded with seal receptacle (12), junction end face compresses, the round taper hole on righting overcurrent cover (8) top coordinates with the taper shape of combination shape Screw disk-seal tube (7) bottom, in the bottom of seal receptacle (12), put into taper blowout prevention cover (10), the external screw thread of packing cover pressure cap (11) and being threaded in seal receptacle (12), make its fixing taper blowout prevention cover (10), in taper blowout prevention cover (10), put into blowout prevention tapered packing (9), both conical surface contacts, in the top of seal receptacle (12), there is cavity (16), cavity (16) is on taper blowout prevention cover (10), polished rod supporting positive cover (15) is placed in blowout prevention righting overcoat (14), the external screw thread of blowout prevention righting overcoat (14) is connected with the upper internal threaded of broken caye the apotheca of tee junction packing (17), after being set with sealing ring (13) outside the top of broken caye the apotheca of tee junction packing (17), its external screw thread is connected with the lower internal thread of seal receptacle (12), make the upper end of blowout prevention righting overcoat (14) withstand the lower end of blowout prevention tapered packing (9), seal receptacle (12) seals with the sealed circle in gap (13) on broken caye the apotheca of tee junction packing (17) junction, polished rod (1) is through packing pressure pad (2), packing pressure cap (3), combination shape Screw disk-seal tube (7), righting overcurrent cover (8), blowout prevention tapered packing (9), polished rod supporting positive cover (15), broken caye the apotheca of tee junction packing (17).
2. wellhead polish rod sealing blowout hookup according to claim 1, it is characterized in that: body (6) top thread jacket dress antiseepage packing (4), antiseepage packing (4) outer suit antiseepage nut (5), antiseepage nut (5) is threaded with packing pressure cap (3), and the inner conical surface of antiseepage nut (5) is pushed down the male cone (strobilus masculinus) of antiseepage packing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395887.4U CN203961885U (en) | 2014-07-18 | 2014-07-18 | Wellhead polish rod sealing blowout hookup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395887.4U CN203961885U (en) | 2014-07-18 | 2014-07-18 | Wellhead polish rod sealing blowout hookup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203961885U true CN203961885U (en) | 2014-11-26 |
Family
ID=51922484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420395887.4U Active CN203961885U (en) | 2014-07-18 | 2014-07-18 | Wellhead polish rod sealing blowout hookup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203961885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467636A (en) * | 2022-09-06 | 2022-12-13 | 北京中煤矿山工程有限公司 | Replaceable packing type horizontal drilling two-stage orifice pressing device |
| CN115467635A (en) * | 2022-09-06 | 2022-12-13 | 北京中煤矿山工程有限公司 | Horizontal hole replaceable packing type hydraulic expansion type double-stage orifice pressing device |
-
2014
- 2014-07-18 CN CN201420395887.4U patent/CN203961885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467636A (en) * | 2022-09-06 | 2022-12-13 | 北京中煤矿山工程有限公司 | Replaceable packing type horizontal drilling two-stage orifice pressing device |
| CN115467635A (en) * | 2022-09-06 | 2022-12-13 | 北京中煤矿山工程有限公司 | Horizontal hole replaceable packing type hydraulic expansion type double-stage orifice pressing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180720 Address after: 257513 Shandong Dongying Kenli District Dongan town Shengli Oilfield Gu Bang Petroleum Equipment Co., Ltd. Dongfang alloy foundry Patentee after: Shengli oil field Solid State Petroleum Equipment Co Ltd Address before: 2-115 mailbox, Shengli oil production plant, Dongying, Shandong 257051 Patentee before: Chen Jingshi |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 257513 Shandong Dongying Kenli District Dongan town Shengli Oilfield Gu Bang Petroleum Equipment Co., Ltd. Dongfang alloy foundry Patentee after: Shengli oil field Solid State Petroleum Equipment Co Ltd Address before: 257513 Dongfang Alloy Casting Plant of Gubang Petroleum Equipment Co., Ltd., Donggong Kenli District, Shandong Province Patentee before: Shengli oil field Solid State Petroleum Equipment Co Ltd |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 257055 88 east two road, Dongying District, Dongying, Shandong Patentee after: Shengli oil field Solid State Petroleum Equipment Co Ltd Address before: 257513 Shandong Dongying Kenli District Dongan town Shengli Oilfield Gu Bang Petroleum Equipment Co., Ltd. Dongfang alloy foundry Patentee before: Shengli oil field Solid State Petroleum Equipment Co Ltd |