CN203394378U - Rolling wheel type polished rod anti-eccentric centralizer of wellhead - Google Patents
Rolling wheel type polished rod anti-eccentric centralizer of wellhead Download PDFInfo
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- CN203394378U CN203394378U CN201320479748.5U CN201320479748U CN203394378U CN 203394378 U CN203394378 U CN 203394378U CN 201320479748 U CN201320479748 U CN 201320479748U CN 203394378 U CN203394378 U CN 203394378U
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- polished rod
- centralizer
- wellhead
- housing
- casing
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Abstract
The utility model provides a rolling wheel type polished rod anti-eccentric centralizer of a wellhead. The rolling wheel type polished rod anti-eccentric centralizer is used for centralizing a polished rod of the wellhead of a pumping unit producing well. The rolling wheel type polished rod anti-eccentric centralizer comprises a casing and an adjusting mechanism; the adjusting mechanism is arranged in the adjusting chamber of the casing; an adjusting sleeve of the adjusting mechanism is connected with the adjusting chamber; the adjusting chamber is formed on one side of the casing and communicated with the casing and accordingly the adjusting mechanism can extend into the casing from the adjusting chamber; a nylon centralizing rolling wheel of the adjusting mechanism is utilized to abut against and support the polished rod and accordingly the polished rod can be centered. According to the rolling wheel type polished rod anti-eccentric centralizer of the wellhead, the service life of the polished rod can be improved, the eccentric abrasion can be prevented, the abrasion and consumption of packing in a polished rod sealing device can be reduced, and the production material cost is reduced; the wellhead eccentric abrasion caused by the polished rod is prevented and accidents such as environment pollution caused by oil leakage of the wellhead are reduced; two ends of the casing are provided with an upper clamp head and a lower clamp head and accordingly the casing can rotate 360 degrees in the horizontal direction to be adjusted and be connected with the polished rod sealing device and a wellhead tee, the operation is simple and convenient, and the purposes of safety and rapidness are achieved.
Description
Technical field
The utility model relates to the oil production equipment of petroleum industry, and the anti-bias centralizer of well head roller type polished rod particularly, for the well head of well of oil pumping unit, to polished rod righting.
Background technology
In oilfield development process, conventionally use oil pumper equipment to exploit, wellhead polish rod sealer is one of rod-pumped well important accessory, in oil well normal productive process, play the object of sealing oil pipe and polished rod annular space, its Main Function is by packing_seal polished rod, prevents that polished rod OIH gas blowout in the process of moving up and down from going out well head.
In pumpingh well manufacturing process, because of oil-pump base distortion, sinking, the reasons such as oil pumper installation quality, the phenomenon that makes polished rod and well head generation horizontal-shift and angular deflection cause well head to misalign is comparatively general, therefore, very easily cause well head eccentric wear, polished rod scratched and then corrode, having accelerated the wearing and tearing of packing, sealed packing shortens application life, cause well head leakage of oil, the accidents such as contaminated environment.In the course of the work, polished rod bears fluctuating load to oil pumper for a long time, and working environment is more severe, and polished rod eccentric wear very easily causes fatigue failure and ruptures, causes the well accident of lying.Simultaneously the well liquid well head that can pour out, causes crude oil leakage, pollutes the accidents such as well site.
Be arranged at present the device that well head prevents polished rod eccentric-wear polish rod sealer
havesleeve type centralizer, this device is in polished rod sealer, to install sliding sleeve additional, utilizes the rigid support righting of sliding sleeve polished rod, and its frictional force is larger, and polished rod easy to wear has shortened application life of polished rod.
Summary of the invention
The purpose of this utility model is to provide the anti-bias centralizer of well head roller type polished rod, prevent polished rod and polished rod sealer generation eccentric wear, effectively solving rod-pumped well horse head and well head misaligns, the phenomenon of polished rod eccentric wear packing, in the application life that extends polished rod, prevent from causing the problems such as environment pollution because of packing eccentric wear.
Technical solution of the present utility model is: the anti-bias centralizer of well head roller type polished rod comprises housing and governor motion, and governor motion is arranged in the adjusting chamber of housing, and the regulating sleeve of governor motion is connected with regulating chamber; Regulate chamber be located at housing one side and be communicated with it, governor motion can be stretched in housing from regulate chamber.With the nylon righting pair of rollers polished rod of governor motion, lean and support, make polished rod placed in the middle.
Compared with prior art the utlity model has following significant progress: the utility model is arranged between polished rod sealer and wellhead tee joint, after use, not only can improve the application life of polished rod, prevent eccentric wear, and reduced wearing and tearing and the consumption of packing in polished rod sealer, reduced production consumables cost.Prevent polished rod eccentric wear well head, reduced well head leakage of oil and polluted the accidents such as environment.The housing two ends of this device are provided with upper and lower hoop, can make housing in the horizontal direction rotating 360 degrees adjust.Its result of use is:
1, the design is simple in structure, easy to use, has reduced the eccentric wear of polished rod and wellhead tee joint and polished rod sealer, has alleviated the wearing and tearing of packing and polished rod, makes packing replacing cycle stretch-out.
2, regulate after righting polished rod centering, be convenient to safe and efficient replacing packing, reduced worker's labour intensity, reduce the number of times that changes packing, saved cost of production, shortened because of stopping the well time that replacing packing affects, improved rate while driving a well.
3, this device in the horizontal direction rotating 360 degrees adjust righting polished rod centering, easy and simple to handle, safe and efficient.
4, this device is applicable to various rod-pumped wells, the more serious oil well of polished rod deflection particularly, more can embody its feature, fundamentally solve the race oil phenomenon causing not in time due to discovery after polished rod eccentric wear generation seepage, packing or polished rod wear and tear, avoid the accidents such as environment pollution.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing in detail the utility model is described in detail, referring to Fig. 1: the anti-bias centralizer of well head roller type polished rod comprises housing and governor motion, and governor motion is arranged in the adjusting chamber 11 of housing, and the regulating sleeve 8 of governor motion is connected with adjusting chamber 11; Regulate chamber 11 be located at housing one side and be communicated with it, governor motion can be stretched in housing from regulate chamber 11.Governor motion comprises nylon righting roller 7, bearing bracket stand 4, regulating sleeve 8 and leading screw 10, leading screw 10 is fixed on the rear end of bearing bracket stand 4, nylon righting roller 7 is arranged on the front end of bearing bracket stand 4 by bearing 5 and rotating shaft 6, leading screw 10 is threaded with regulating sleeve 8, regulating sleeve 8 one end are connected with the adjusting chamber 11 of housing, and the other end is equipped with end cap 9.Nylon righting roller 7 is waist drum wheels, middle part arc, and its radian conforms to polished rod cylindrical.One end that leading screw 10 exposes to end cap 9 is provided with spanner side 3.Housing two ends be provided with front band head 1 and lower catch hoop head 2 respectively with polished rod sealer and wellhead tee joint by clamp connection, housing can be rotated by along continuous straight runs 360 degree.
Lower catch hoop head 2 of the present utility model and wellhead tee joint clamp connection, front band head 1 and polished rod sealer clamp connection, the spanner side 3 of blocking leading screw 10 rear ends with spanner rotates, and makes nylon righting roller 7 withstand polished rod 12, until the center of polished rod 12 in polished rod sealer inner chamber.When oil well is normally produced, polished rod 12 pumps, nylon righting roller 7 heads on polished rod 12 and rotates under the support of rotating shaft 6 and bearing 5, when polished rod 12 is pumped, all the time the center in polished rod sealer inner chamber, thereby reach the eccentric wear that reduces polished rod 12 and wellhead tee joint and polished rod sealer, alleviate the object of packing and polished rod 12 wearing and tearing.
Claims (5)
1. the anti-bias centralizer of well head roller type polished rod, is characterized in that, comprises housing and governor motion, and governor motion is arranged in the adjusting chamber of housing, and the regulating sleeve of governor motion is connected with regulating chamber; Regulate chamber be located at housing one side and be communicated with it, governor motion can be stretched in housing from regulate chamber.
2. the anti-bias centralizer of well head roller type polished rod according to claim 1, it is characterized in that, described governor motion comprises nylon righting roller, bearing bracket stand, regulating sleeve and leading screw, leading screw is fixed on the rear end of bearing bracket stand, nylon righting roller is arranged on the front end of bearing bracket stand by bearing and rotating shaft, leading screw is threaded with regulating sleeve, and regulating sleeve one end is connected with the adjusting chamber of housing, and the other end is equipped with end cap.
3. the anti-bias centralizer of well head roller type polished rod according to claim 2, is characterized in that, described nylon righting roller is waist drum wheel, middle part arc, and its radian conforms to polished rod cylindrical.
4. the anti-bias centralizer of well head roller type polished rod according to claim 2, is characterized in that, one end that described leading screw exposes to end cap is provided with spanner side.
5. the anti-bias centralizer of well head roller type polished rod according to claim 1 and 2, it is characterized in that, described housing two ends be provided with front band head and lower catch hoop head respectively with polished rod sealer and wellhead tee joint by clamp connection, housing can be rotated by along continuous straight runs 360 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479748.5U CN203394378U (en) | 2013-08-07 | 2013-08-07 | Rolling wheel type polished rod anti-eccentric centralizer of wellhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479748.5U CN203394378U (en) | 2013-08-07 | 2013-08-07 | Rolling wheel type polished rod anti-eccentric centralizer of wellhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203394378U true CN203394378U (en) | 2014-01-15 |
Family
ID=49905914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320479748.5U Expired - Fee Related CN203394378U (en) | 2013-08-07 | 2013-08-07 | Rolling wheel type polished rod anti-eccentric centralizer of wellhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203394378U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858198A (en) * | 2016-06-07 | 2016-08-17 | 湖南三石油科技有限公司 | Workover treatment integrated equipment, tubular column holding device and grabbing hand thereof |
| CN108971842A (en) * | 2018-10-23 | 2018-12-11 | 国运科技（大连）有限公司 | A kind of gantry welder |
| CN111946279A (en) * | 2019-05-14 | 2020-11-17 | 中国石油天然气股份有限公司 | Fiber optic wellhead guide device and system |
-
2013
- 2013-08-07 CN CN201320479748.5U patent/CN203394378U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858198A (en) * | 2016-06-07 | 2016-08-17 | 湖南三石油科技有限公司 | Workover treatment integrated equipment, tubular column holding device and grabbing hand thereof |
| CN105858198B (en) * | 2016-06-07 | 2018-08-07 | 湖南三一石油科技有限公司 | Workover treatment integration apparatus, tubing string supporting device and its handgrip |
| CN108971842A (en) * | 2018-10-23 | 2018-12-11 | 国运科技（大连）有限公司 | A kind of gantry welder |
| CN111946279A (en) * | 2019-05-14 | 2020-11-17 | 中国石油天然气股份有限公司 | Fiber optic wellhead guide device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20180807 |