CN2761825Y - High temperature polish rod sealing device of filling extracting combined oil pumping well - Google Patents
High temperature polish rod sealing device of filling extracting combined oil pumping well Download PDFInfo
- Publication number
- CN2761825Y CN2761825Y CN 200420120708 CN200420120708U CN2761825Y CN 2761825 Y CN2761825 Y CN 2761825Y CN 200420120708 CN200420120708 CN 200420120708 CN 200420120708 U CN200420120708 U CN 200420120708U CN 2761825 Y CN2761825 Y CN 2761825Y
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- CN
- China
- Prior art keywords
- packing
- oil
- polished rod
- spheroid
- turriform
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- 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 - Lifetime
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Abstract
The utility model discloses a high-temperature polished rod sealing device of an oil pumping well which integrates oiling and oil extraction. The utility model belongs to the class of well head equipment of a pumping unit. Because a polished rod sealing device of a pumping unit in the prior art has a packing structural shape and is affected by the swing of a horsehead of the pumping unit, an oil leakage phenomenon frequently occurs in the pumping unit. In order to solve the problem, the utility model changes the sealing packing structure of the present polished rod sealing device into an upper and a lower tower-shaped packing shape, and the structure is formed by the press of strip-shaped graphite. In addition, a sphere structure is adopted in the device so that a polished rod is not affected by the swing of the horsehead of the pumping unit when moving up and down, which ensures that the polished rod of the pumping unit has good sealing performance. When applied, the device can not be affected by over-high back pressure in the well caused by eccentric wear hole inclination, the rough surface of the polished rod, sand discharge abrasion in the well and a long thick oil pipeline, and thus, the utility model can be widely used in an oil well which integrates oiling and oil extraction.
Description
Technical field:
The utility model relates to a kind of notes and adopts unification pumpingh well high temperature polish rod seal device, belongs to oil pumper well head device class.
Background technology:
Pumping production is used in the oil field in recovery process, oil leakage phenomenon takes place in well head oil pumping polish rod position through being everlasting, along with the increase of thickened oil recovery block, reach viscosity of crude and strengthen in recent years, oil well constantly increases, the Oil Well Back Pressure resistance is strengthened, and pumpingh well well head crude oil leakage rate is on the increase.This not only causes environment pollution, has also increased post employee's workload greatly, and rate when also influencing pumping production because of the frequent packing of changing polished rod sealer simultaneously causes the meaningless human and material resources wasting of resources.For this purpose now in the technology, the common polished rod seal apparatus that has adopted packing-type, all not high as arc wheel formula seal disc radical etc. because of its unreasonable structure or corrosion resistant degree, fail fundamentally to overcome oil leakage phenomenon.
The utility model content:
The purpose of this utility model is in order to overcome above-mentioned shortcoming, and a kind of notes that provide are adopted unification pumpingh well high temperature polish rod seal device, can fundamentally overcome oil-extractor polish-rod in Christmas tree and occur oil leakage phenomenon in the course of the work.
The utility model is to realize like this.
It is made up of by the handle of nut connection and the housing in the pressure cap pressure cap, be equipped with one in the described housing cavity from top to bottom and go up turriform packing and following turriform packing, the housing lower end is connecting a spheroid with screw thread, spheroid external application gland parcel, in the spheroid bottom one lower contact is arranged, this lower contact uses screwed connection on the steel ring flange.
Described last turriform packing and down the turriform packing be one and form that it is shaped as the taper packing of tower shape with the compacting of strip rubber material, this cone angle be 9 ° 31 ', its helical angle is smooth and smooth.
Described spheroid is the joint that through hole is arranged in, and it is horn-like that the upper end is, and turriform packing and spring are equipped with down in the inside, and the position profile is a spherical shape under the spheroid, and " O " RunddichtringO is housed between sphere and the lower contact.
Described go up turriform packing lower seat drop on spring above, described housing medium position is connecting an oil drain pan by male thread.
The utility model working method is such:
Steel ring flange with this device during use is attached on the flange of ground pithead position with bolt; again oil-extractor polish-rod is passed in the heart from device; regulating handle then; the turriform packing is pressed on the plane of spring; and the turriform packing closely is wrapped on the middle oil pumping polish rod; fixed screw by the outer top of adjustment housings makes following turriform packing in spheroid again then; equally polished rod is packed tightly; start oil pumper at last; make on the sucker rod; do not stop to move down; because sucker rod is sealed tightly in the turriform packing; and the oil-extractor polish-rod joint is in the spheroid chamber and along Internal Spherical Surface and rotates; can not rock former thereby cause oil-extractor polish-rod to depart from polished rod sealer this moment because of pumping unit horsehead, so this device is last; oil leakage phenomenon can not take place down in following turriform packing and spheroid protection.
The utility model compared with prior art has distinguishing feature:
Because this device changes upper and lower packing into tower shape shape packing on existing polished rod sealer basis, and the packing material replaces with graphite sealing material high temperature resistant, high pressure, and packing is suppressed with strip rubber, make that like this packing_seal is tighter, upper and lower in addition packing all is pressed in above the spring, and spring can make packing convenient when loading and unloading are changed again, on changing the outfit during packing, only need loosening handle, the turriform packing can be upspring automatically under the spring force effect like this, changes.And down packing only need become flexible that fixed screw is just desirable to go out packing, in addition in this device owing to adopt sphere structure, make that oil pumping polish rod can be free along spherical rotation at the spheroid inner face, guaranteed that pumping unit horsehead is under the situation of rocking, the unlikely deflection of oil pumping polish rod, thus make polished rod sealer can better play sealing function.
Description of drawings:
Figure is the utility model structural representation.
Among the figure by 1, pressure cap, 2, handle, 3, upper holder block, 4, go up the turriform packing, 5, housing, 7, upper spring, 8, lower lock block, 9, following turriform packing, 10, sealing ring, 11, spheroid, 12, set screw, 13, gland, 14, " O " shape sealing ring, 15, lower contact, 17, the steel ring flange, 18, oil drain pan, 20 fixed screws are formed.
The specific embodiment:
The utility model is provided by following examples.Illustrated below in conjunction with accompanying drawing.
Among the figure, pressure cap 1 is one to have six square nuts of chamfering and box, the upper end has handle 2 fixing, a upper holder block 3 is housed in the pressure cap 1, tightly be pressed in above the turriform packing 4, last turriform packing 4 is a turriform rubber taper packing, 9 ° 31 of its cone angle ' be the cone-type spiral structure, appearance is smooth and smooth, outside last turriform packing, be housing 5, the last turriform packing 4 of housing 5 tops is located on the upper surface of upper spring 7, this upper spring 7 is pressed in the top of lower lock block 8 again, and lower lock block be pressed in down turriform packing 9 above, the following turriform packing 9 of structure is pressed on the spring in the shape of a spiral, like this in housing by on, the main sealing system of the oil-extractor polish-rod that following turriform packing and spring are formed can make system itself have more sealing and change and make things convenient for function.A spheroid 11 with screwed connection below housing 5, this spheroid is the joint that through hole is arranged in, and it is horn-like that the upper end is, and turriform packing 9 and spring are equipped with down in the inside, and the spheroid outside is spherical shape, and finish is
" O " RunddichtringO 14 is housed between sphere and the lower contact 15, the effect of spheroid is to make the device can free beat certain angle within it, thereby keep sealing, by the structure of forming by upper and lower tower tray root and spheroid of two seals up and down, can improve device static pressure voltage endurance capability, housing 5 medium positions link an oil drain pan 18 by male thread, and this dish is done the time spent, reclaim in the crude oil access dish with the polished rod sealer leakage, and prevent to pollute.When packing pressure under adjusting, can directly twist oil drain pan 18, set screw 12 is that the assurance that is used for fixing housing 5 and spheroid 11 does not misplace each other, fixed screw 20, effect can be used to regulate down the tightness of turriform packing 9,4 sealings of last turriform packing are regulated by handle 2, only need turning handle 2 can will go up above the upper surface that turriform packing 4 is pressed on spring 7 by upper holder block 3.
Claims (4)
1, a kind of notes are adopted unification pumpingh well high temperature polish rod seal device, be by the handle (2) of pressure cap (1) by the nut screwed connection, and the housing (5) in the pressure cap are formed; It is characterized in that: be equipped with one in the chamber of described housing (5) from top to bottom and go up turriform packing (4) and following turriform packing (9), lower end at housing (5) is connecting a spheroid (11) with screw thread, spheroid external application gland (13) parcel, one lower contact (16) is arranged at the spheroid bottom, and this lower contact is bound up on above the steel ring flange (17) with screw thread.
2, a kind of notes according to claim 1 are adopted unification pumpingh well high temperature polish rod seal device, it is characterized in that: go up turriform packing (4) down turriform packing (9) respectively be one and form with the compacting of strip rubber material, shape is the taper packing of tower shape, its cone angle be 9 ° 31 ', helicoid is smooth and smooth.
3, a kind of notes according to claim 1 are adopted unification pumpingh well high temperature polish rod seal device, it is characterized in that: spheroid (11) is the joint that through hole is arranged in, it is horn-like that upper port is, turriform packing (9) and spring are equipped with down in the inside, the following profile of spheroid is spherical shape, and " O " RunddichtringO (14) is housed between sphere and the lower contact (15).
4, a kind of notes according to claim 1 are adopted unification pumpingh well high temperature polish rod seal device, it is characterized in that: go up turriform packing (4) lower seat drop on upper spring (7) above.
Described housing (5) medium position connects an oil drain pan (18) by male thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420120708 CN2761825Y (en) | 2004-12-22 | 2004-12-22 | High temperature polish rod sealing device of filling extracting combined oil pumping well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420120708 CN2761825Y (en) | 2004-12-22 | 2004-12-22 | High temperature polish rod sealing device of filling extracting combined oil pumping well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2761825Y true CN2761825Y (en) | 2006-03-01 |
Family
ID=36094953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420120708 Expired - Lifetime CN2761825Y (en) | 2004-12-22 | 2004-12-22 | High temperature polish rod sealing device of filling extracting combined oil pumping well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2761825Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864917A (en) * | 2010-06-25 | 2010-10-20 | 辽宁中瑞科技有限公司 | Random and automatic regulating polished rod sealing device of oil pumping machine |
| CN104948131A (en) * | 2014-03-24 | 2015-09-30 | 李昱男 | Multifunctional combined oil well polished rod sealer |
-
2004
- 2004-12-22 CN CN 200420120708 patent/CN2761825Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864917A (en) * | 2010-06-25 | 2010-10-20 | 辽宁中瑞科技有限公司 | Random and automatic regulating polished rod sealing device of oil pumping machine |
| CN104948131A (en) * | 2014-03-24 | 2015-09-30 | 李昱男 | Multifunctional combined oil well polished rod sealer |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141222 Granted publication date: 20060301 |