CN205025404U - Gland subassembly is prevented spouting by sealed ware of beam -pumping unit well head - Google Patents
Gland subassembly is prevented spouting by sealed ware of beam -pumping unit well head Download PDFInfo
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- CN205025404U CN205025404U CN201520641660.8U CN201520641660U CN205025404U CN 205025404 U CN205025404 U CN 205025404U CN 201520641660 U CN201520641660 U CN 201520641660U CN 205025404 U CN205025404 U CN 205025404U
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- gland
- pumping unit
- well head
- unit well
- oil pumping
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Abstract
The utility model provides a gland subassembly is prevented spouting by sealed ware of beam -pumping unit well head, it encapsulates on the sucker rod of beam -pumping unit is located to the sealed ware of beam -pumping unit well head upper end and cover, it spouts the subassembly including sealing to press the main gland on the sealed ware of beam -pumping unit well head and set up preventing on main gland to prevent spouting the gland subassembly, it includes hollow pair of gland to prevent spouting the subassembly, vice gland seal joint is on main gland, the sucker rod runs through main gland and vice gland, the sealed packing of having loaded in the inner wall of vice gland and the annular space between the sucker rod, at least one draining hole has been offered on the inner wall of the vice gland below lieing in the packing. Through set up vice gland on main gland, can lose suddenly under the condition of the effect of sealing at main gland, liquid blocks, the pressure release to taking revealing of pressing through vice gland, again by the play of draining orifice flow, reaches the liquid large tracts of land splash of revealing that prevents the area pressure and causes the environmental pollution accident, restrains that oil gas does not have the outer row of control, falls to the minimum with pollution degree, compensaties equipment and managerial defect.
Description
Technical field
The utility model relates to a kind of oil gas field well head environmental control system, especially a kind of oil pumping unit well head sealer blowout prevention pressure cover assembly.
Background technology
At present, field use the most widely wellhead sealing device by packing, put the assembly such as hurdle, gland and form, for sealing the annular space between oil pipe and polished rod, play a part to prevent crude oil leakage, the wellhead sealing device structure of this structure is simple, but the sealing means of the wellhead sealing device of this structure, when the situation such as the wearing and tearing of unexpected generation packing, pressure superelevation, polished rod eccentric wear, just lose sealing function, cause downhole oil gas blowout to be spattered, cause environment pollution.When well cylinder pressure is large, gas-oil ratio is high, wind-force is larger, contaminated area can increase considerably.Traditional way to manage is patrolled and examined by personnel to find leakage problem, then the assembly manually more renewed solves problem, patrols and examines not in time, it is off quality to change assembly, all will pollute and increase the weight of.
Utility model content
The purpose of this utility model is to provide a kind of oil pumping unit well head sealer blowout prevention pressure cover assembly, during to overcome the situation such as the wearing and tearing of generation packing, pressure superelevation, polished rod eccentric wear that wellhead sealing device in above-mentioned prior art exists, wellhead sealing device seal failure, causes downhole oil gas blowout spatter and cause the deficiency of environment pollution.
For this reason, the utility model proposes a kind of oil pumping unit well head sealer blowout prevention pressure cover assembly, be packaged in oil pumping unit well head sealer upper end and be sheathed on the sucker rod of oil pumper, wherein, described blowout prevention pressure cover assembly comprises the main gland that envelope is pressed on described oil pumping unit well head sealer upper end and the blowout prevention assembly be arranged on described main gland, described blowout prevention assembly comprises the secondary gland of hollow, described secondary gland seal is engaged on described main gland, described sucker rod runs through described main gland and described secondary gland, seal in the annular space between the inwall and described sucker rod of described secondary gland and be filled with packing, the inwall being positioned at the described secondary gland below described packing offers at least one oil leak hole.
In a preferred embodiment, wherein, described main gland with between described oil pumping unit well head sealer for being threaded.
In a preferred embodiment, wherein, the inwall of described secondary gland is uniformly distributed circumferentially multiple described oil leak hole.
In a preferred embodiment, wherein, on the inwall of described secondary gland, radially inwardly projection forms annular stop protuberance, and described annular stop protuberance is positioned at the below of described packing; The lower surface of described annular stop protuberance, space between the inwall of described secondary gland and the upper surface of described main gland form long-pending grease chamber.
In a preferred embodiment, wherein, described blowout prevention assembly also comprises the fastening gland of hollow, and the internal chamber wall of described fastening gland is from top to bottom the stepped of flaring, form the joint portion on top and the diversion division of bottom, described joint portion is connected with the outer wall energy dismounting of described secondary gland; Described diversion division extends to the outside of described long-pending grease chamber, and forms downward opening flow-guiding channel with the outer wall of described long-pending grease chamber.
In a preferred embodiment, wherein, described fastening gland described joint portion with between described secondary gland for being threaded.
In a preferred embodiment, wherein, the lower end of described diversion division can extend downward the below of described oil leak hole.
In a preferred embodiment, wherein, described blowout prevention pressure cover assembly also comprises a swab case, and described swab case is set in the outside of the described oil pumping unit well head sealer below described main gland removedly, described swab case has opening upward, and described opening is relative with described flow-guiding channel.
In a preferred embodiment, wherein, between described swab case with described oil pumping unit well head sealer for being threaded.
Feature and the advantage of a kind of oil pumping unit well head sealer blowout prevention pressure cover assembly that the utility model proposes are:
By arranging secondary gland on main gland, can when main gland loses suddenly sealing function, by secondary gland, leak liquid with pressure is stopped, pressure release, flowed out by oil leak hole again, thus reach and prevent leak liquid large area with pressure splash and cause environmental pollution accident, degree of contamination, without the outer row of control, drops to minimum, makes up the defect on facilities and administration by effective containment oil gas.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is using state structural representation of the present utility model;
Fig. 3 is fastening gland structure schematic diagram of the present utility model.
Reference numeral illustrates:
1 main gland 4 amasss grease chamber
2 blowout prevention assembly 5 flow-guiding channels
21 secondary gland 6 swab cases
211 annular stop protuberance 61 openings
22 fastening gland 7 oil pumping unit well head sealers
221 joint portion 8 sucker rods
222 diversion division 9 packings
3 oil leak hole
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model be described:
As Fig. 1, shown in Fig. 2, for a kind of oil pumping unit well head sealer blowout prevention pressure cover assembly of the present utility model, it is packaged in oil pumping unit well head sealer 7 upper end and is sheathed on the sucker rod 8 of oil pumper, wherein, blowout prevention pressure cover assembly comprises the main gland 1 that envelope is pressed on oil pumping unit well head sealer 7 upper end and the blowout prevention assembly 2 be arranged on main gland 1, blowout prevention assembly 2 comprises the secondary gland 21 of hollow, secondary gland 21 is sealingly engaged on main gland 1, sucker rod 8 runs through main gland 1 and secondary gland 21, seal in the annular space between the inwall and sucker rod 8 of secondary gland 21 and be filled with packing 9, the inwall being positioned at the secondary gland 21 below packing 9 offers at least one oil leak hole 3.Oil pumping unit well head sealer blowout prevention pressure cover assembly of the present utility model is on the basis reaching existing structure sealing function, by arranging secondary gland 21 on main gland 1, can when main gland 1 loses suddenly sealing function, by secondary gland 21, leak liquid with pressure is stopped, pressure release, leak liquid is flowed out by oil leak hole 3 after pressure release.When using a kind of oil pumping unit well head sealer blowout prevention pressure cover assembly of the present utility model, the liquid that main gland 1 pair of sucker rod about 8 produces when running carries out sealing antiseep, when the packing 9 of oil pumping unit well head sealer 7 inside sends inclined side because of wearing and tearing or sucker rod 8, oil pumping unit well head sealer 7 seal failure may be caused, and cause band press liquid to spray through main gland 1 top; Now be sealingly engaged in the secondary gland 21 on main gland 1, and in the annular space between the inwall and sucker rod 8 of secondary gland 21, seal the packing 9 of filling, barrier effect can be produced to the band press liquid sprayed via main gland 1, by after the band press liquid pressure release that stops, flowed out by oil leak hole 3, thus reach and prevent leak liquid large area with pressure splash and cause environmental pollution accident, effectively containment oil gas is without the outer row of control, degree of contamination is dropped to minimum, make up the defect on facilities and administration.
Wherein, main gland 1 with between oil pumping unit well head sealer 7 for being threaded.The utility model does not limit this connected mode.
Further, the inwall of secondary gland 21 is uniformly distributed circumferentially multiple oil leak hole 3.
Preferably, on the inwall of secondary gland 21, radially inwardly projection forms annular stop protuberance 211, and annular stop protuberance 211 is positioned at the below of packing 9; The lower surface of annular stop protuberance 211, space between the inwall of secondary gland 21 and the upper surface of main gland 1 form long-pending grease chamber 4.When using a kind of oil pumping unit well head sealer blowout prevention pressure cover assembly of the present utility model, the liquid that main gland 1 pair of sucker rod about 8 produces when running carries out sealing antiseep, when the packing 9 of oil pumping unit well head sealer 7 inside sends inclined side because of wearing and tearing or sucker rod 8, oil pumping unit well head sealer 7 seal failure may be caused, and cause band press liquid to spray through main gland 1 top, annular stop protuberance now on secondary gland 21 inwall 211 pairs of leak liquid produce barrier effect, prevent the packing 9 in the annular space between its inwall polluting secondary gland 21 and sucker rod 8, the band press liquid sprayed by main gland 1 to be blocked in long-pending grease chamber 4 and by pressure release, flow out via oil leak hole 3 more afterwards, thus reach and prevent leak liquid splash with pressure and cause environmental pollution accident.
In a feasible embodiment, blowout prevention assembly 2 also comprises the fastening gland 22 of hollow, as shown in Figure 3, fastening gland 22 is made up of top cover and the sidewall being positioned at top cover periphery, the internal chamber wall of fastening gland 22 is from top to bottom the stepped of flaring, form the joint portion 221 on top and the diversion division 222 of bottom, joint portion 221 is connected with the secondary outer wall energy dismounting of gland 21; Diversion division 222 extends to the outside of long-pending grease chamber 4, and forms downward opening flow-guiding channel 5 with the outer wall of long-pending grease chamber 4.When using a kind of oil pumping unit well head sealer blowout prevention pressure cover assembly of the present utility model, the liquid that main gland 1 pair of sucker rod about 8 produces when running carries out sealing antiseep, when the packing 9 of oil pumping unit well head sealer 7 inside sends inclined side because of wearing and tearing or sucker rod 8, oil pumping unit well head sealer 7 seal failure may be caused, and cause band press liquid to spray through main gland 1 top, now, the band press liquid that major part is sprayed by main gland 1 is blocked in long-pending grease chamber 4, the diversed portion 222 of liquid sprayed via oil leak hole 3 on a small quantity stops, discharged downwards by flow-guiding channel 5 again, thus reach and prevent leak liquid splash with pressure.
Wherein, fastening gland 22 joint portion 221 with between secondary gland 21 for being threaded.The utility model does not limit this connected mode.
Preferably, the lower end of diversion division 222 can extend downward the below of oil leak hole 3.
Further, blowout prevention pressure cover assembly also comprises a swab case 6, and swab case 6 is set in the outside of the oil pumping unit well head sealer 7 below main gland 1 removedly, and swab case 6 has opening 61 upward, and opening 61 is relative with flow-guiding channel 5.When using a kind of oil pumping unit well head sealer blowout prevention pressure cover assembly of the present utility model, the liquid flowed down by flow-guiding channel 5 can flow in swab case 6.
Wherein, between swab case 6 with oil pumping unit well head sealer 7 for being threaded.The utility model does not limit this connected mode.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.And it should be noted that, each ingredient of the present utility model is not limited in above-mentioned overall applicability, the each technical characteristic described in manual of the present utility model can select one to adopt separately or select the multinomial use that combines according to actual needs, therefore, the utility model covers other relevant with this case utility model point in the nature of things and combines and embody rule.
Claims (9)
1. an oil pumping unit well head sealer blowout prevention pressure cover assembly, be packaged in oil pumping unit well head sealer upper end and be sheathed on the sucker rod of oil pumper, it is characterized in that, described blowout prevention pressure cover assembly comprises the main gland that envelope is pressed on described oil pumping unit well head sealer upper end and the blowout prevention assembly be arranged on described main gland, described blowout prevention assembly comprises the secondary gland of hollow, described secondary gland seal is engaged on described main gland, described sucker rod runs through described main gland and described secondary gland, seal in the annular space between the inwall and described sucker rod of described secondary gland and be filled with packing, the inwall being positioned at the described secondary gland below described packing offers at least one oil leak hole.
2. oil pumping unit well head sealer blowout prevention pressure cover assembly as claimed in claim 1, is characterized in that, described main gland with between described oil pumping unit well head sealer for being threaded.
3. oil pumping unit well head sealer blowout prevention pressure cover assembly as claimed in claim 1, is characterized in that, the inwall of described secondary gland is uniformly distributed circumferentially multiple described oil leak hole.
4. oil pumping unit well head sealer blowout prevention pressure cover assembly as claimed in claim 1, is characterized in that, on the inwall of described secondary gland, radially inwardly projection forms annular stop protuberance, and described annular stop protuberance is positioned at the below of described packing; The lower surface of described annular stop protuberance, space between the inwall of described secondary gland and the upper surface of described main gland form long-pending grease chamber.
5. oil pumping unit well head sealer blowout prevention pressure cover assembly as claimed in claim 4, it is characterized in that, described blowout prevention assembly also comprises the fastening gland of hollow, the internal chamber wall of described fastening gland is from top to bottom the stepped of flaring, form the joint portion on top and the diversion division of bottom, described joint portion is connected with the outer wall energy dismounting of described secondary gland; Described diversion division extends to the outside of described long-pending grease chamber, and forms downward opening flow-guiding channel with the outer wall of described long-pending grease chamber.
6. oil pumping unit well head sealer blowout prevention pressure cover assembly as claimed in claim 5, is characterized in that, the described joint portion of described fastening gland with between described secondary gland for being threaded.
7. oil pumping unit well head sealer blowout prevention pressure cover assembly as claimed in claim 5, it is characterized in that, the lower end of described diversion division can extend downward the below of described oil leak hole.
8. oil pumping unit well head sealer blowout prevention pressure cover assembly as claimed in claim 5, it is characterized in that, described blowout prevention pressure cover assembly also comprises a swab case, described swab case is set in the outside of the described oil pumping unit well head sealer below described main gland removedly, described swab case has opening upward, and described opening is relative with described flow-guiding channel.
9. oil pumping unit well head sealer blowout prevention pressure cover assembly as claimed in claim 8, is characterized in that, for being threaded between described swab case with described oil pumping unit well head sealer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641660.8U CN205025404U (en) | 2015-08-24 | 2015-08-24 | Gland subassembly is prevented spouting by sealed ware of beam -pumping unit well head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641660.8U CN205025404U (en) | 2015-08-24 | 2015-08-24 | Gland subassembly is prevented spouting by sealed ware of beam -pumping unit well head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205025404U true CN205025404U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520641660.8U Active CN205025404U (en) | 2015-08-24 | 2015-08-24 | Gland subassembly is prevented spouting by sealed ware of beam -pumping unit well head |
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| CN (1) | CN205025404U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818829A (en) * | 2021-10-19 | 2021-12-21 | 盘锦森达鑫石油技术有限公司 | Oil well external vapor-liquid flow collecting device and construction method thereof |
| CN115263225A (en) * | 2022-09-19 | 2022-11-01 | 青岛新胜石油机械有限公司 | Wellhead long-acting sealing system capable of improving pump efficiency |
-
2015
- 2015-08-24 CN CN201520641660.8U patent/CN205025404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818829A (en) * | 2021-10-19 | 2021-12-21 | 盘锦森达鑫石油技术有限公司 | Oil well external vapor-liquid flow collecting device and construction method thereof |
| CN115263225A (en) * | 2022-09-19 | 2022-11-01 | 青岛新胜石油机械有限公司 | Wellhead long-acting sealing system capable of improving pump efficiency |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |