CN201826797U - Anti-spouting day lighting rod sealer - Google Patents
Anti-spouting day lighting rod sealer Download PDFInfo
- Publication number
- CN201826797U CN201826797U CN2010205266723U CN201020526672U CN201826797U CN 201826797 U CN201826797 U CN 201826797U CN 2010205266723 U CN2010205266723 U CN 2010205266723U CN 201020526672 U CN201020526672 U CN 201020526672U CN 201826797 U CN201826797 U CN 201826797U
- Authority
- CN
- China
- Prior art keywords
- sealing
- polish rod
- polished rod
- packing box
- rod
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses an anti-spouting day lighting rod sealer, which comprises a packing box base, wherein the packing box base is arranged on an oil extraction wellhead receptacle through bolt connection; the inside of the lower part of a central hole on the packing box base is connected with a sealing casing through a screw thread; a polish rod passes through the sealing casing and is in sliding fit with the sealing casing; and the lower end of the sealing casing extends into an oil pipe below the oil extraction wellhead receptacle. The anti-spouting day lighting rod sealer can realize control over blowout by using a metal hard seal during steam injection with a pump, is resistant to high temperature and high pressure, safe and environmentally-friendly and saves energy; the polish rod of a pumping well is centralized forcibly and the sealing period of an upper-stage rubber packing is prolonged; wear and damage of the polish rod caused by well deviation and damage of a polish rod clamp to a sealed polish rod are avoided; hard seal technology is realized and the leakage of a friction pair which consists of an outer sealing sleeve and a spray-welded polish rod is only 1 mini liter under the pressure of 1.5 Mpa; and the upper-stage packing is taken as an auxiliary sealing measure, so that maintenance sealing period is prolonged by 3 to 10 times.
Description
Technical field
The utility model relates to the anti-spray daylighting rod seal device that a kind of field produces is used, and belongs to the improvement of oil field shaft mouth sealer structure.
Background technology
Present oil field shaft mouth sealer all is to seal by the rubber-like packing, installs because of well head to have error, and there are skew in well head and polished rod axis, cause eccentric wear.The one, influence the polished rod surface quality; The 2nd, the wearing and tearing of aggravation packing; The 3rd, the packing_seal cycle is all very short, needs the oil recovery worker often to safeguard and could guarantee the well head health.
Summary of the invention
The purpose of this utility model is to provide a kind of anti-spray daylighting rod seal device, and it is simple in structure, can improve the sealing effectiveness of oil field shaft mouth effectively, guarantees to produce and normally carries out in order.
The purpose of this utility model is achieved in that a kind of anti-spray daylighting rod seal device, comprise by bolt and be mounted on packing box base on the production wellhead seat, in the bottom of packing box centre hole of base by the Sealed casing pipe that is being threaded, polished rod passes from Sealed casing pipe, be between polished rod and the Sealed casing pipe and be slidingly matched, the lower end of Sealed casing pipe extends in the oil pipe of production wellhead seat below.
The utility model is being owing to be provided with Sealed casing pipe in packing box base bottom, by itself and being slidingly matched of polished rod, metal hard-sealing is controlled blowout, high temperature high voltage resistant, safety environment protecting energy saving in the time of realizing being with infusion vapour; Realization pumpingh well polished rod is forced to set upright, and improves higher level's rubber packing sealing cycle; Prevent the damage of the polished rod wear-out failure that causes partially because of well and polished rod clamp to the sealing polished rod; Realize hard sealing technology, the friction pair that hermetically sealed case and surfacing polished rod are formed, under 1.5Mpa pressure, wastage only has 1ml; Higher level's packing is used as the auxiliary seal measure, prolongs to safeguard that sealing cycle 3-10 doubly.The utility model is simple in structure, can improve the sealing effectiveness of oil field shaft mouth effectively, guarantees to produce and normally carries out in order.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model.
The specific embodiment
A kind of anti-spray daylighting rod seal device, as shown in Figure 1, comprise by bolt and be mounted on packing box base 2 on the production wellhead seat 3, in the bottom of packing box base 2 centre bores by the Sealed casing pipe 4 that is being threaded, polished rod 1 passes from Sealed casing pipe 4, be between polished rod 1 and the Sealed casing pipe 4 and be slidingly matched, the lower end of Sealed casing pipe 4 extends in the oil pipe 5 of production wellhead seat below.Said polished rod is the surfacing polished rod, and the length of polished rod is 3-10 rice.Polished rod 1 process surfacing processing, surface roughness are smaller or equal to Ra0.8.
Because the gap between Sealed casing pipe 4 and the polished rod 1 is little, metal hard-sealing control blowout when the utility model can be realized band infusion vapour like this, high temperature high voltage resistant, safety environment protecting energy saving; Realization pumpingh well polished rod is forced to set upright, and improves higher level's rubber packing sealing cycle; Prevent the damage of the polished rod wear-out failure that causes partially because of well and polished rod clamp to the sealing polished rod; Realize hard sealing technology, the friction pair that hermetically sealed case and surfacing polished rod are formed, under 1.5Mpa pressure, wastage only has 1ml; Higher level's packing is used as the auxiliary seal measure, prolongs to safeguard that sealing cycle 3-10 doubly.
Claims (2)
1. anti-spray daylighting rod seal device, comprise by bolt and be mounted on packing box base on the production wellhead seat, it is characterized in that: in the bottom of packing box centre hole of base by the Sealed casing pipe that is being threaded, polished rod passes from Sealed casing pipe, be between polished rod and the Sealed casing pipe and be slidingly matched, the lower end of Sealed casing pipe extends in the oil pipe of production wellhead seat below.
2. anti-spray daylighting rod seal device according to claim 1, it is characterized in that: said polished rod is the surfacing polished rod, the length of polished rod is 3-10 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205266723U CN201826797U (en) | 2010-09-13 | 2010-09-13 | Anti-spouting day lighting rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205266723U CN201826797U (en) | 2010-09-13 | 2010-09-13 | Anti-spouting day lighting rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201826797U true CN201826797U (en) | 2011-05-11 |
Family
ID=43965340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205266723U Expired - Fee Related CN201826797U (en) | 2010-09-13 | 2010-09-13 | Anti-spouting day lighting rod sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201826797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996093A (en) * | 2012-11-20 | 2013-03-27 | 康雄雄 | Oil well blowout-prevention environmentally-friendly device |
-
2010
- 2010-09-13 CN CN2010205266723U patent/CN201826797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996093A (en) * | 2012-11-20 | 2013-03-27 | 康雄雄 | Oil well blowout-prevention environmentally-friendly device |
| CN102996093B (en) * | 2012-11-20 | 2015-09-09 | 康雄雄 | Oil well blowout-prevention environmentally-friedevice device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20110913 |