CN105888597A - Universal wellhead centering device of oil pumping unit - Google Patents
Universal wellhead centering device of oil pumping unit Download PDFInfo
- Publication number
- CN105888597A CN105888597A CN201610382703.4A CN201610382703A CN105888597A CN 105888597 A CN105888597 A CN 105888597A CN 201610382703 A CN201610382703 A CN 201610382703A CN 105888597 A CN105888597 A CN 105888597A
- Authority
- CN
- China
- Prior art keywords
- universal
- wellhead
- eccentric
- ball end
- oil pumping
- 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.)
- Pending
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 22
- 230000002265 prevention Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000011324 bead Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 241001023788 Cyttus traversi Species 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 238000012856 packing Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 2
- 241001133184 Colletotrichum agaves Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1071—Wear protectors; Centralising devices, e.g. stabilisers specially adapted for pump rods, e.g. sucker rods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the technical field of oil field equipment and particularly relates to a universal wellhead centering device of an oil pumping unit. The universal wellhead centering device comprises an oil pumping rod body, a connecting sealing box and a universal bulb base. An eccentric centering universal bulb is installed in the universal bulb base, synchronization prevention steel balls are arranged in a steel ball groove of the eccentric centering universal bulb, a blowout prevention rubber ball is arranged in the eccentric centering universal bulb, an upper universal bulb cover is arranged outside the eccentric centering universal bulb and connected with the universal bulb base in a threaded mode, and a dual-purpose wellhead connecting structure is arranged at the bottom of the universal bulb base. The eccentric centering universal bulb is connected with the universal bulb base, so that a longitudinal offset angle is adjusted, and thus a wellhead of the oil pumping unit adapts to the inclined angle of a horse head of the oil pumping unit relative to the wellhead. Besides, eccentricity of the wellhead of the oil pumping unit and offset of the horse head and the wellhead are effectively controlled, and it is ensured that an oil pumping rod runs in a centered mode all the time in the running process. The universal wellhead centering device is reasonable in design, easy and convenient to operate, capable of saving energy, environmentally friendly, long in service life and good in centering effect.
Description
Technical field:
The invention belongs to technical field of oil field equipment, be specifically related to a kind of universal deviation correcting device of oil pumping machine well head.
Background technology:
At present, when adjustment sucker rod bias misaligns at the scene, it is that walking beam on pumping units part and well head base are adjusted, owing to this operating type workload is big, task difficulty is big, inconvenience construction, waste time and energy, so up to more than 90% sucker rod does not carry out tuningout, only the biggest eccentric being just adjusted, and this tuningout mode can not fundamentally solve the problem that sucker rod bias misaligns, sucker rod is made to be in condition of misalignment in well head operates, oil pumping machine well head is caused to leak, make sucker rod serious wear, significantly reduce service life and the sealing effectiveness of sealed packing box of sucker rod, reduce work efficiency, but also cause environmental pollution, not only cause waste resource but also pollute environment, greatly have impact on production and the management in oil field, have impact on economic benefit and the social benefit of enterprise.So, it is the most necessary for designing a kind of universal deviation correcting device of oil pumping machine well head easy and simple to handle.
Summary of the invention:
In place of the present invention makes up and improves above-mentioned the deficiencies in the prior art, provide a kind of simple in construction, reasonable in design, easy and simple to handle, energy-conserving and environment-protective, length in service life, tuningout is effective, with low cost, can improve the universal deviation correcting device of a kind of oil pumping machine well head of leakage efficiency, it is easy to promotion and application on a large scale.
The technical solution used in the present invention is: a kind of universal deviation correcting device of oil pumping machine well head, including sucker rod body, connect seal box and universal ball end base, eccentric tuningout universal ball end is installed in universal ball end base, it is provided with anti-synchronization steel ball in the steel bead groove of eccentric tuningout universal ball end, it is provided with sealing ring in the o-ring groove of eccentric tuningout universal ball end, it is provided with blowout prevention glueballs in eccentric tuningout universal ball end, it is provided with universal ball end upper cover outside eccentric tuningout universal ball end, universal ball end upper cover is connected with universal ball end whorl of base, universal ball end base bottom is dual-purpose well head attachment structure.
Beneficial effects of the present invention: simple in construction, reasonable in design, easy and simple to handle, energy-conserving and environment-protective, service life is long, and tuningout is effective, with low cost, it is possible to increase leakage efficiency, it is easy to promotion and application on a large scale.Owing to bias is to use three grades of trigonometric expression figures to connect to dish, can arbitrarily adjust change angle according to field condition, it is adaptable to sucker rod is eccentric without departing from the automatic deflection adjusting at any angle in the range of well head.Using eccentric tuningout universal ball end and universal ball end base to connect, it reaches the adjustment of longitudinal angle excursion, makes oil pumping machine well head adapt to the angle that well head is tilted by pumping unit horsehead.Universal deviation correcting device, from longitudinally, laterally without departing from adjusting in the range of well head and eccentric, fundamentally solves this difficult problem, enables sucker rod well to run when centering, thus improve the service life of sucker rod；Oil pumping machine well head bias and caput Equi Asini and well head deflection is additionally made to have obtained effective control, ensure that sucker rod is in operation and remain that centering runs, sealed object in well head sealing packing box also can the most reasonably hold sucker rod tightly, reach the sealing effectiveness that wellhead packing box is good, and improve leakage efficiency.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of eccentric tuningout universal ball end in the present invention.
Fig. 3 is the structural representation of universal ball end base in the present invention.
Fig. 4 is the structural representation of universal ball end upper cover in the present invention.
Detailed description of the invention:
With reference to each figure, a kind of universal deviation correcting device of oil pumping machine well head, including sucker rod body 4, connect seal box 1 and universal ball end base 3, eccentric tuningout universal ball end 7 is installed in universal ball end base 3, it is provided with anti-synchronization steel ball 5 in the steel bead groove 9 of eccentric tuningout universal ball end 7, it is provided with sealing ring 8 in the o-ring groove of eccentric tuningout universal ball end 7, it is provided with blowout prevention glueballs 2 in eccentric tuningout universal ball end 7, eccentric tuningout universal ball end 7 is outside is provided with universal ball end upper cover 6, universal ball end upper cover 6 is threadeded with universal ball end base 3, it it is dual-purpose well head attachment structure 10 bottom universal ball end base 3.
Universal deviation correcting device utilizes the eccentric position of the head of eccentric tuningout universal ball end 7, empty the inside of eccentric tuningout universal ball end 7, the diameter blowout prevention glueballs 2 more than well head minimum position is placed in the inside of hollow eccentric tuningout universal ball end 7, the requirement of blowout prevention glueballs 2 can reach required physical and chemical index, when sucker rod fractures formation blowout, blowout prevention glueballs 2 under the effect of down-hole pressure dieback in the bottom of wellhead packing box, packing box bottom design arc of specification as blowout prevention glueballs 2 cylindrical, make the contact in blowout prevention glueballs 2 certain face formed here, it coincide and reach the effect of automatic open flow in the bottom of packing box.
Owing to bias is to use three grades of trigonometric expression figures to connect to dish, can arbitrarily adjust change angle according to field condition, it is adaptable to sucker rod is eccentric without departing from the automatic deflection adjusting at any angle in the range of well head.Using eccentric tuningout universal ball end 7 and universal ball end base 3 to connect, it reaches the adjustment of longitudinal angle excursion, makes oil pumping machine well head adapt to the angle that well head is tilted by pumping unit horsehead.Universal deviation correcting device, from longitudinally, laterally without departing from adjusting in the range of well head and eccentric, fundamentally solves this difficult problem, makes sucker rod body 4 well can run when centering, thus improve the service life of sucker rod body 4；Oil pumping machine well head bias and caput Equi Asini and well head deflection is additionally made to have obtained effective control, ensure that sucker rod body 4 is in operation and remain that centering runs, sealed object in well head sealing packing box also can the most reasonably hold sucker rod body 4 tightly, reach the sealing effectiveness that wellhead packing box is good, and improve leakage efficiency.The simple in construction of the present invention, reasonable in design, easy and simple to handle, energy-conserving and environment-protective, service life is long, and tuningout is effective.
Claims (1)
1. the universal deviation correcting device of oil pumping machine well head, including sucker rod body (4), connect seal box (1) and universal ball end base (3), it is characterized in that: eccentric tuningout universal ball end (7) is installed in universal ball end base (3), it is provided with anti-synchronization steel ball (5) in the steel bead groove (9) of eccentric tuningout universal ball end (7), it is provided with sealing ring (8) in the o-ring groove of eccentric tuningout universal ball end (7), it is provided with blowout prevention glueballs (2) in eccentric tuningout universal ball end (7), eccentric tuningout universal ball end (7) is outside is provided with universal ball end upper cover (6), universal ball end upper cover (6) is threadeded with universal ball end base (3), universal ball end base (3) bottom is dual-purpose well head attachment structure (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382703.4A CN105888597A (en) | 2016-06-02 | 2016-06-02 | Universal wellhead centering device of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610382703.4A CN105888597A (en) | 2016-06-02 | 2016-06-02 | Universal wellhead centering device of oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105888597A true CN105888597A (en) | 2016-08-24 |
Family
ID=56710879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610382703.4A Pending CN105888597A (en) | 2016-06-02 | 2016-06-02 | Universal wellhead centering device of oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105888597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110199084A (en) * | 2017-01-18 | 2019-09-03 | 马尔科姆·高夫 | self-aligning stuffing box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608537A (en) * | 2009-06-26 | 2009-12-23 | 大庆油田有限责任公司 | Multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box |
| CN201416411Y (en) * | 2009-06-26 | 2010-03-03 | 大庆油田有限责任公司 | Dual-aligning movable packing kit for polished rod of oil pump |
| CN202767934U (en) * | 2012-09-18 | 2013-03-06 | 牡丹江市金环石化设备有限公司 | Clamp connection type well shutting device |
| CN204163674U (en) * | 2014-10-20 | 2015-02-18 | 大庆市盛世荣欣科技有限公司 | Oil pumper wear-and corrosion-resistant rod member bias-adjusting sealing combination unit |
| CN205638325U (en) * | 2016-06-02 | 2016-10-12 | 富振海 | Universal adjusting deviation device of pumping wellhead |
-
2016
- 2016-06-02 CN CN201610382703.4A patent/CN105888597A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608537A (en) * | 2009-06-26 | 2009-12-23 | 大庆油田有限责任公司 | Multifunctional oil-extractor polish-rod double-aligning anti-theft mobile packing box |
| CN201416411Y (en) * | 2009-06-26 | 2010-03-03 | 大庆油田有限责任公司 | Dual-aligning movable packing kit for polished rod of oil pump |
| CN202767934U (en) * | 2012-09-18 | 2013-03-06 | 牡丹江市金环石化设备有限公司 | Clamp connection type well shutting device |
| CN204163674U (en) * | 2014-10-20 | 2015-02-18 | 大庆市盛世荣欣科技有限公司 | Oil pumper wear-and corrosion-resistant rod member bias-adjusting sealing combination unit |
| CN205638325U (en) * | 2016-06-02 | 2016-10-12 | 富振海 | Universal adjusting deviation device of pumping wellhead |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110199084A (en) * | 2017-01-18 | 2019-09-03 | 马尔科姆·高夫 | self-aligning stuffing box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |