CN204163673U - A kind of well mouth sealing device growing shutdown pumpingh well - Google Patents
A kind of well mouth sealing device growing shutdown pumpingh well Download PDFInfo
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- CN204163673U CN204163673U CN201420566908.4U CN201420566908U CN204163673U CN 204163673 U CN204163673 U CN 204163673U CN 201420566908 U CN201420566908 U CN 201420566908U CN 204163673 U CN204163673 U CN 204163673U
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- sealing device
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Abstract
The utility model discloses a kind of well mouth sealing device growing shutdown pumpingh well, it is characterized in that: comprise hoop, tubing nipple, tubing coupling and plug, described tubing nipple is vertically fixed on hoop upper end, the top fixed installation tubing coupling of tubing nipple, tubing coupling upper end open installs plug; Stop well mouth of oil well in length and unload polished rod sealer, transferring sucker rod makes plunger seat put to pump barrel, after this device is installed, oil gas does not have can leakage point, thoroughly solve length and stop well mouth of oil well sealing problem, avoid the oil well produced due to oil and gas leakage the fire incident such as to catch fire, ensure that oil security.
Description
Technical field
The utility model relates to oil well implement field, particularly a kind of long shutdown pumping well head sealing device.
Background technology
On-the-spot at oilfield exploitation, oil field part high gas-oil ratio (HGOR) machine pumpingh well reduces along with output, and oil well is in closes down state for a long time, and the machine pumpingh well being in the state of closing down generally adopts polished rod sealer as well mouth sealing device.The main seal of general polished rod sealer is packing.
Such as Chinese patent literature publication number is CN202417379U, publication date is the utility model patent of on 09 05th, 2012, disclose and be a kind ofly applicable to heavy crude heat extraction and polished rod moves up and down the pumping well head new type of rod sealing unit needing packing_seal, it comprises three grades of packing pressure caps, sealed packing, servo-actuated packing, three grades of packing box main bodys, oil chamber, emptying pipe nipple, plug, secondary packing pressure cap, secondary packing gland, secondary wearing bush, secondary packing, one secondary packing box connector, locking nut, one-level packing pressure cap, sealing mat, one-level packing, one-level packing seat, translation pressure cap, one-level wearing bush, sealing mat, translation base forms.One secondary is polish rod seal packing kit, and three grades is lubrication, sealing polished rod, leakproof, blowout hookup, and the utility model is directly set with wellhead tree and is connected.The sealing device of this structure, in machine oil pumping gas well long-term shutdowns process, there is aging phenomenon in rubber formula polished rod sealer, very easily following situations occurs:
(1) along with strata pressure recovers, well head pressure raises, and oil gas leaks from polished rod sealer, causes crude oil to lose;
(2) when there is the factor such as thunderstorm weather, external naked light, causing well head natural gas, crude oil catches fire, causing fire incident.
Utility model content
The utility model, for solving the problems of the technologies described above, provides a kind of well mouth sealing device for long shutdown pumpingh well and can prevent the long oil well oil-gas that stops from leaking, avoid fire incident, guarantee oil security.
The technical solution of the utility model is as follows:
A kind of well mouth sealing device growing shutdown pumpingh well; it is characterized in that: comprise hoop, tubing nipple, tubing coupling and plug; described tubing nipple is vertically fixed on hoop upper end, and the top fixed installation tubing coupling of tubing nipple, tubing coupling upper end open installs plug.
Described hoop is installed on well head.
The beneficial effects of the utility model are as follows:
Long stop oil well closing well state under, well head oil hermetic seal problem does not come into one's own, and because wellhead polish rod sealer rubber packing is aging, causes oil and gas leakage, inevitably there will be and avoids oil and gas leakage, thus the accident such as cause that oil well catches fire, and causes any property loss;
The utilization of sealing device, can solve and long shut down pumping well head sealing problem, avoid oil and gas leakage accident, avoids the fire incidents such as the oil well produced due to oil and gas leakage catches fire, ensure that oil security.
Accompanying drawing explanation
fig. 1 is structural representation of the present utility model
Wherein, Reference numeral is: 1 hoop; 2 tubing nipples; 3 polished rods; 4 tubing couplings; 5 plugs.
Detailed description of the invention
As shown in Figure 1; grow a well mouth sealing device of shutting down pumpingh well, comprise hoop 1, tubing nipple 2, tubing coupling 4 and plug 5, described tubing nipple 2 is vertically fixed on hoop 1 upper end; the top fixed installation tubing coupling 4 of tubing nipple 2, tubing coupling 4 upper end open installs plug 5.
Described hoop 1 is installed on well head, and beam hanger, through hoop 1, is positioned at the centre position of tubing nipple 2.
Described well mouth sealing device is long 2m, middle tubing nipple 2 for diameter be 73mm plain end oil well pipe, the top of tubing nipple 2 is 73mm oil pipe plug 5 by tubing coupling 4 connection diameter, and the lower termination internal diameter of tubing nipple 2 is 73mm hoop 1; Described sealing device is installed on well head, replaces rubber formula polished rod 3 sealer.
Claims (2)
1. the well mouth sealing device of one kind long shutdown pumpingh well; it is characterized in that: comprise hoop (1), tubing nipple (2), tubing coupling (4) and plug (5); described tubing nipple (2) is vertically fixed on hoop (1) upper end; top fixed installation tubing coupling (4) of tubing nipple (2), tubing coupling (4) upper end open installs plug (5).
2. a kind of length shuts down the well mouth sealing device of pumpingh well according to claim 1, it is characterized in that: described hoop (1) is installed on well head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566908.4U CN204163673U (en) | 2014-09-29 | 2014-09-29 | A kind of well mouth sealing device growing shutdown pumpingh well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566908.4U CN204163673U (en) | 2014-09-29 | 2014-09-29 | A kind of well mouth sealing device growing shutdown pumpingh well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204163673U true CN204163673U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420566908.4U Active CN204163673U (en) | 2014-09-29 | 2014-09-29 | A kind of well mouth sealing device growing shutdown pumpingh well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204163673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837251A (en) * | 2017-01-12 | 2017-06-13 | 谭华 | A kind of closed bailing enters ring oil rig |
-
2014
- 2014-09-29 CN CN201420566908.4U patent/CN204163673U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837251A (en) * | 2017-01-12 | 2017-06-13 | 谭华 | A kind of closed bailing enters ring oil rig |
| CN106837251B (en) * | 2017-01-12 | 2022-11-22 | 谭华 | Closed bailing ring oil pumping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |