CN107387014A - Oil pumper Universal sealed component and application process - Google Patents
Oil pumper Universal sealed component and application process Download PDFInfo
- Publication number
- CN107387014A CN107387014A CN201710825541.1A CN201710825541A CN107387014A CN 107387014 A CN107387014 A CN 107387014A CN 201710825541 A CN201710825541 A CN 201710825541A CN 107387014 A CN107387014 A CN 107387014A
- Authority
- CN
- China
- Prior art keywords
- letter body
- ring
- oil
- sealed
- sealed letter
- 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
- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000010425 asbestos Substances 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims abstract description 17
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims description 7
- 206010040007 Sense of oppression Diseases 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 239000010779 crude oil Substances 0.000 description 4
- 239000008393 encapsulating agent Substances 0.000 description 4
- 241000191291 Abies alba Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- UPLPHRJJTCUQAY-WIRWPRASSA-N 2,3-thioepoxy madol Chemical compound C([C@@H]1CC2)[C@@H]3S[C@@H]3C[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@](C)(O)[C@@]2(C)CC1 UPLPHRJJTCUQAY-WIRWPRASSA-N 0.000 description 1
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
Oil pumper Universal sealed component and application process are high, low pressure reciprocating oil pumping unit wellhead sealing technology, it overcomes the shortcomings that other technologies, it includes lower main letter body, upper main letter body, sealed letter body, upper seal support, bottom sealing socket, sealed letter body pressure cap, upper guide ring, lower guide ring, packing, asbestos seal pad, upper subdivision ring, lower subdivision ring, pressure ring, first preloading spring, tapered sleeve pressure cap, second preloading spring, well head Taper Pipe jointing, the sealed letter body is internally provided with the cavity of a lengthwise, oil-extractor polish-rod runs through sealed letter body, passed from lower main letter body；The internal cavity face at the sealed letter body both ends is provided with screw thread, and tapered sleeve pressure cap is threadedly coupled with sealed letter body lower end, and tapered sleeve pressure cap is enclosed on oil-extractor polish-rod；Preloading spring, pressure ring, lower subdivision ring, upper subdivision ring are followed successively by the left of tapered sleeve pressure cap, and is sequentially sleeved in from right side on oil-extractor polish-rod.
Description
Technical field
The present invention relates to high and low pressure reciprocating oil pumping unit wellhead sealing technology, especially oil pumper Universal sealed component and answer
Use method.
Background technology
At present it is known that oil pumper oil-extractor polish-rod during oil exploitation seals, moving parts and seal be present
Short life, phenomena such as causing crude oil leakage.The basic reason for forming this phenomenon is：1st, there is considerable impurity in crude oil,
It is the micro- stone grain of various hard that the composition of these impurity is most of, and these hard stone grains are adhered to the surface of encapsulant, therewith phase
The movement parts of contact just by breakage, the damaged more havoc power exacerbated again to encapsulant of movement parts, ultimately result in close
Envelope and movement parts failure；2nd, the misaligning property and polished rod of Christmas tree wellhead and oil-extractor polish-rod are when pumping
There is oscillatory, cause oil-extractor polish-rod to rub partially encapsulant, this 2 points the main reason for being current Wellhead crue oil leakage.
The content of the invention
It is an object of the invention to provide a kind of simple in construction, service life length and can universal adjustment oil pumper Universal sealed
Component, the shortcomings that it overcomes other technologies, the object of the present invention is achieved like this, it include lower main letter body, upper main letter body,
Sealed letter body, upper seal support, bottom sealing socket, sealed letter body pressure cap, upper guide ring, lower guide ring, packing, asbestos seal pad, on
Subdivision ring, lower subdivision ring, pressure ring, the first preloading spring, tapered sleeve pressure cap, the second preloading spring, well head Taper Pipe jointing, it is described
Sealed letter body is internally provided with the cavity of a lengthwise, and oil-extractor polish-rod runs through sealed letter body, is passed from lower main letter body；It is described close
The internal cavity face at packing body both ends is provided with screw thread, and tapered sleeve pressure cap is threadedly coupled with sealed letter body lower end, and tapered sleeve pressure cap, which is enclosed on, to be taken out
On oil machine polished rod；Preloading spring, pressure ring, lower subdivision ring, upper subdivision ring are followed successively by the left of tapered sleeve pressure cap, and is covered successively from right side
On oil-extractor polish-rod, the spherical diameter of sealed letter body is 10- 300mm；The taper of tapered sleeve pressure cap is 10 ° -180 °.
The upper main letter body is internally provided with the cavity of a lengthwise, and its Basolateral is provided with taper pipe thread, upper main letter body
Be sequentially installed with cavity asbestos seal pad, upper seal support, sealed letter body lower end spherical surface body, bottom sealing socket, the second preloading spring,
Lower main letter body, side is provided with taper pipe thread in lower main letter body, and is threadedly coupled with the Basolateral of upper main letter body.
It is the conical surface outside described upper subdivision ring, lower subdivision ring, its taper is 10-60 degree subdivision rings, subdivision bore
For 1-60mm, the diameter of two rings is 20-500mm, and the upper subdivision ring, lower subdivision ring are conical surface split ring, from centre
Axis subdivision, relative two-by-two to merge into a domain, each of which opening staggers 90 degree, and is enclosed on oil-extractor polish-rod.
The taper of the sealed letter intracoelomic cavity inner conical surface is consistent with the taper of upper subdivision ring, lower subdivision annular conical surface.
Be cased with sealed letter body lower end spherical surface body in the cavity of the upper main letter body, the upper and lower ends arc surface of its spherical surface body with
Upper seal support, the conical surface of bottom sealing socket do linear contact lay face, form gapless line contact sealing, are acted in the pressure of preloading spring
Under be compressed axially asbestos seal pad, and compress the conical surface of upper seal support, bottom sealing socket, cause itself and sealed letter body lower end spherical surface body
Sphere plays close linear sealing effect；Upper seal support, the taper of bottom sealing socket are 10-180 °.
The asbestos seal pad suffers oppression with upper main letter body bottom contact surface can play the effect of plane static seal；The asbestos
Sealing gasket internal diameter retains certain interval with the external footpath of sealed letter；Remaining aperture surface not with the external sphere-contact of sealed letter, so close
Packing body has 360 ° of universal swing amounts, there is packing among the sealed letter body and oil-extractor polish-rod, the upper end of packing have on lead
There is lower guide ring Xiang Huan, the lower end of packing；When oil-extractor polish-rod moves reciprocatingly and swung, sealed letter body can follow oil pumper
Polished rod does while swung.
The well head Taper Pipe jointing is enclosed on the outside of oil-extractor polish-rod, one end of well head Taper Pipe jointing and lower master
Letter body is connected, and vent valve interface is provided with well head Taper Pipe jointing；Sealed letter body pressure cap is enclosed on the outside of oil-extractor polish-rod,
Sealed letter body pressure cap one end is located in sealed letter body.
The application process of the present invention：In use, by sealed letter body, upper seal support, bottom sealing socket, upper subdivision ring, under cut open
Divide ring, pressure ring, the universal self-tightening sealing component of the first preloading spring composition, in upper main letter body, and be enclosed on oil pumper light
On bar, when reciprocating part moves reciprocatingly, upper subdivision ring, the internal diameter of lower subdivision ring and male cone (strobilus masculinus) in the first preloading spring and
On take out fluid pressure in the presence of, be attached at the inner conical surface of oil-extractor polish-rod surface and sealed letter body, make oil-extractor polish-rod surface
Blind-mate is formed with upper subdivision ring, the internal diameter of lower subdivision ring and sealed letter body, has blocked minitype particle to enter encapsulant
Surface；When oil-extractor polish-rod moves reciprocatingly and swung, sealed letter body can follow oil-extractor polish-rod to do while swing.
Meaning of the present invention：First, simple in construction, service life length；Second, prevent Christmas tree wellhead and oil-extractor polish-rod
Misaligning property, and oscillatory of the polished rod when pumping, prevented original oil-extractor polish-rod and rubbed partially sealing material
The phenomenon of material；The phenomenon of above-mentioned caused destruction and crude oil seepage is prevented；Three have been to ensure that to high and low pressure under motion state
The reliability of sealing, pollution of the crude oil leakage to ground environment is prevented；Four are reduction of frequency of maintenance, alleviate operating personnel
Labor intensity.
Brief description of the drawings
Fig. 1 is the installation diagram of oil pumper Universal sealed component, 1, oil-extractor polish-rod 2, lower main letter body 3, upper main letter in figure
Body 4, sealed letter body 5, upper seal support 6, bottom sealing socket 7, sealed letter body pressure cap 8, upper guide ring 9, lower guide ring 10,
Packing 11, asbestos seal pad 12, upper subdivision ring 13, lower subdivision ring 14, pressure ring 15, the first preloading spring 16, vent valve
Interface 17, tapered sleeve pressure cap 18, the second preloading spring 19, well head Taper Pipe jointing.
Fig. 2 is sealed letter body schematic diagram.
Fig. 3 is upper seal support schematic diagram.
Fig. 4 bottom sealing socket schematic diagrames.
Fig. 5 is upper subdivision ring schematic diagram.
Fig. 6 is lower subdivision ring schematic diagram.
Fig. 7 is sealed letter body pressure cap schematic diagram.
Fig. 8 is upper main letter body schematic diagram.
Fig. 9 is lower main letter body schematic diagram.
Figure 10 is taper pressure cap schematic diagram.
Embodiment
Embodiment 1, the present invention include lower main letter body 2, upper main letter body 3, sealed letter body 4, upper seal support 5, bottom sealing socket 6,
Sealed letter body pressure cap 7, upper guide ring 8, lower guide ring 9, packing 10, asbestos seal pad 11, upper subdivision ring 12, lower subdivision ring 13,
Pressure ring 14, the first preloading spring 15, tapered sleeve pressure cap 17, the second preloading spring 18, well head Taper Pipe jointing 19, the sealed letter
Body 4 is internally provided with the cavity of a lengthwise, and oil-extractor polish-rod 1 runs through sealed letter body 4, is passed from lower main letter body 2；The sealing
The internal cavity face at the both ends of letter body 4 is provided with screw thread, and tapered sleeve pressure cap 17 is threadedly coupled with the lower end of sealed letter body 4,17 sets of tapered sleeve pressure cap
On oil-extractor polish-rod 1；The left side of tapered sleeve pressure cap 17 is followed successively by the first preloading spring 15, pressure ring 14, lower subdivision ring 13, upper subdivision ring
12, and be sequentially sleeved in from right side on oil-extractor polish-rod 1, the spherical diameter of sealed letter body 4 is 10- 300mm, tapered sleeve pressure cap 17
Taper be 10 ° -180 °.
Embodiment 2, the upper main letter body 3 are internally provided with the cavity of a lengthwise, and its Basolateral is provided with taper pipe thread,
Asbestos seal pad 11, upper seal support 5, the lower end spherical surface body of sealed letter body 4, bottom sealing socket are sequentially installed with the upper main cavity of letter body 3
6th, the second preloading spring 18, lower main letter body 2, the lower inner side of main letter body 2 are provided with taper pipe thread, and with the Basolateral of upper main letter body 3
Threaded connection.
Embodiment 3, described upper subdivision ring 12, the outside of lower subdivision ring 13 are the conical surface, and its taper is 10-60 degree subdivisions
Ring, subdivision bore are 1-60mm, and the diameter of two rings is 20-500mm, and the upper subdivision ring 12, lower subdivision ring 13 are cone
Face split ring, from medial axis subdivision, relative two-by-two to merge into a domain, each of which opening staggers 90 degree, and is enclosed on and takes out
On oil machine polished rod 1.
Taper and upper subdivision ring 12, the cone of the lower conical surface of subdivision ring 13 of embodiment 4, the inner chamber inner conical surface of the sealed letter body 4
Degree is consistent.
Embodiment 5, the upper main letter body 3 cavity in be cased with the lower end spherical surface body of sealed letter body 4, up and down the two of its spherical surface body
End arc surface does linear contact lay face with upper seal support 5, the conical surface of bottom sealing socket 6, forms gapless line contact sealing, pre- second
Asbestos seal pad 11 is compressed axially under the pressure effect of tight spring 18, and compresses upper seal support 5, the conical surface of bottom sealing socket 6, causes it
Close linear sealing effect is played with the sphere of the lower end spherical surface body of sealed letter body 4；Upper seal support 5, the taper of bottom sealing socket 6 are
10-180°。
Embodiment 6, the asbestos seal pad 11 suffer oppression with the upper main bottom contact surface of letter body 3 can play plane static seal work
With；The asbestos seal pads 11 internal diameters and retains certain interval with the external diameter of sealed letter body 4；Remaining aperture surface not with outside sealed letter body 4
Sphere-contact, sealed letter body 4 have 360 ° of universal swing amounts.
With having packing 10 among oil-extractor polish-rod 1, there is upper guide ring the upper end of packing 10 for embodiment 7, the sealed letter body 4
8, there is lower guide ring 9 lower end of packing 10；When moving reciprocatingly and swinging in oil-extractor polish-rod 1, sealed letter body 4 can follow oil pumping
Machine polished rod 1 does while swung.
Embodiment 8, the well head Taper Pipe jointing 19 are enclosed on the outside of oil-extractor polish-rod 1, well head Taper Pipe jointing
19 one end is connected with lower main letter body 2, and vent valve interface 16 is provided with well head Taper Pipe jointing 19；Sealed letter body pressure cap 7
The outside of oil-extractor polish-rod 1 is enclosed on, the one end of sealed letter body pressure cap 7 is located in sealed letter body 4.
Embodiment 9, by sealed letter body 4, upper seal support 5, bottom sealing socket 6, upper subdivision ring 12, lower subdivision ring 13, pressure ring 14,
The universal self-tightening sealing component of first preloading spring 15 composition, in upper main letter body 3, and is enclosed on oil-extractor polish-rod 1,
When reciprocating part moves reciprocatingly, upper subdivision ring 12, the internal diameter of lower subdivision ring 13 and male cone (strobilus masculinus) are in the and of the first preloading spring 15
On take out fluid pressure in the presence of, be attached at the inner conical surface of the surface of oil-extractor polish-rod 1 and sealed letter body 4, make the table of oil-extractor polish-rod 1
Face forms blind-mate with upper subdivision ring 12, the internal diameter of lower subdivision ring 13 and sealed letter body 4, has blocked minitype particle to enter close
Closure material surface；When moving reciprocatingly and swinging in oil-extractor polish-rod 1, sealed letter body 4 can follow oil-extractor polish-rod 1 to do while put
It is dynamic.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention invention, it can be modified or improved, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belongs to the scopes of application claims.
Claims (9)
1. oil pumper Universal sealed component, it includes lower main letter body（2）, upper main letter body (3), sealed letter body (4), upper seal support
(5), bottom sealing socket (6), sealed letter body pressure cap (7), upper guide ring (8), lower guide ring (9), packing (10), asbestos seal pad
(11), upper subdivision ring (12), lower subdivision ring (13), pressure ring（14）, it is the first preloading spring (15), tapered sleeve pressure cap (17), second pre-
Tight spring (18), well head Taper Pipe jointing (19), it is characterized in that：The sealed letter body (4) is internally provided with lengthwise
Cavity, oil-extractor polish-rod (1) run through sealed letter body (4), are passed from lower main letter body (2)；The interior sky at sealed letter body (4) both ends
Cavity surface is provided with screw thread, and tapered sleeve pressure cap (17) is threadedly coupled with sealed letter body (4) lower end, and tapered sleeve pressure cap (17) is enclosed on oil pumper light
Bar（1）On；The left side of tapered sleeve pressure cap 17 is followed successively by the first preloading spring (15), pressure ring (14), lower subdivision ring (13), upper subdivision ring
(12), and from right side it is sequentially sleeved on oil-extractor polish-rod (1);The spherical diameter of sealed letter body (4) is 10- 300mm;Tapered sleeve
The taper of pressure cap (17) is 10 ° -180 °.
2. oil pumper Universal sealed component according to claim 1, it is characterized in that：Set inside the upper main letter body (3)
There is the cavity of a lengthwise, its Basolateral is provided with taper pipe thread, and asbestos seal pad is sequentially installed with upper main letter body (3) cavity
(11), upper seal support (5), sealed letter body (4) lower end spherical surface body, bottom sealing socket (6), the second preloading spring (18), lower main letter body
(2) taper pipe thread, is provided with the inside of lower main letter body (2), and is threadedly coupled with the Basolateral of upper main letter body (3).
3. oil pumper Universal sealed component according to claim 1, it is characterized in that：Described upper subdivision ring (12), under cut open
It is the conical surface to divide outside ring (13), and its taper is 10-60 degree subdivision rings, and subdivision bore is 1-60mm, and the diameter of two rings is equal
For 20-500mm, the upper subdivision ring (12), lower subdivision ring (13) are conical surface split ring, from medial axis subdivision, two two-phases
Pair a domain can be merged into, each of which opening staggers 90 degree, and is enclosed on oil-extractor polish-rod (1).
4. oil pumper Universal sealed component according to claim 1, it is characterized in that：Sealed letter body (4) inner chamber inner cone
The taper in face is consistent with the taper of upper subdivision ring (12), lower subdivision ring (13) conical surface.
5. oil pumper Universal sealed component according to claim 1, it is characterized in that：In the cavity of the upper main letter body (3)
It is cased with sealed letter body (4) lower end spherical surface body, the upper and lower ends arc surface of its spherical surface body and upper seal support (5), bottom sealing socket (6)
The conical surface does linear contact lay face, forms gapless line contact sealing, is compressed axially under the pressure effect of the second preloading spring (18)
Asbestos seal pad (11), and upper seal support (5), the conical surface of bottom sealing socket (6) are compressed, cause itself and sealed letter body (4) lower end sphere
The sphere of body plays close linear sealing effect;Upper seal support (5), bottom sealing socket（6）Taper be 10 ° -180 °.
6. oil pumper Universal sealed component according to claim 1, it is characterized in that：The asbestos seal pad (11) and upper master
Letter body (3) bottom contact surface, which suffers oppression, can play the effect of plane static seal；Asbestos seal pad (11) internal diameter and sealed letter body
(4) external diameter retains certain interval；Remaining aperture surface does not contact with sealed letter body (4) spherical outside surface, and sealed letter body (4) has 360 ° ten thousand
To oscillating quantity.
7. oil pumper Universal sealed component according to claim 1, it is characterized in that：The sealed letter body (4) and oil pumper
There is packing (10) among polished rod (1), there is upper guide ring (8) upper end of packing (10), and there is lower guide ring the lower end of packing (10)
(9)；When moving reciprocatingly and swinging in oil-extractor polish-rod (1), sealed letter body (4) can follow oil-extractor polish-rod（1）Do while put
It is dynamic.
8. oil pumper Universal sealed component according to claim 1, it is characterized in that：The well head Taper Pipe jointing (19)
The outside of oil-extractor polish-rod (1) is enclosed on, one end of well head Taper Pipe jointing (19) is connected with lower main letter body (2), well head Taper Pipe
Vent valve interface (16) is provided with jointing (19)；Sealed letter body pressure cap (7) is enclosed on the outside of oil-extractor polish-rod (1), close
Packing body pressure cap (7) one end is located in sealed letter body (4).
9. the application process of oil pumper Universal sealed component described in claim 1, it is characterized in that：By sealed letter body (4), upper sealing
Seat (5), bottom sealing socket (6), upper subdivision ring (12), lower subdivision ring（13）, pressure ring (14), the first preloading spring (15) composition ten thousand
To self-tightening sealing component, in upper main letter body (3), and it is enclosed on oil-extractor polish-rod (1), reciprocal fortune is done in reciprocating part
When dynamic, upper subdivision ring (12), the internal diameter of lower subdivision ring (13) and male cone (strobilus masculinus) take out in the first preloading spring (15) and above fluid pressure
In the presence of, be attached at the inner conical surface of oil-extractor polish-rod (1) surface and sealed letter body (4), make oil-extractor polish-rod (1) surface with it is upper
Subdivision ring (12), the internal diameter of lower subdivision ring (13) and sealed letter body (4) composition blind-mate, have blocked minitype particle to enter close
Closure material surface；When moving reciprocatingly and swinging in oil-extractor polish-rod (1), sealed letter body (4) can follow oil-extractor polish-rod (1) to do
Swing simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710825541.1A CN107387014A (en) | 2017-09-14 | 2017-09-14 | Oil pumper Universal sealed component and application process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710825541.1A CN107387014A (en) | 2017-09-14 | 2017-09-14 | Oil pumper Universal sealed component and application process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107387014A true CN107387014A (en) | 2017-11-24 |
Family
ID=60351594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710825541.1A Pending CN107387014A (en) | 2017-09-14 | 2017-09-14 | Oil pumper Universal sealed component and application process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107387014A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806329A (en) * | 2017-12-08 | 2018-03-16 | 长江大学 | A kind of ultrahigh-pressure vibration damping pressure break Universal pipe tandem head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806329A (en) * | 2017-12-08 | 2018-03-16 | 长江大学 | A kind of ultrahigh-pressure vibration damping pressure break Universal pipe tandem head |
| CN107806329B (en) * | 2017-12-08 | 2023-08-22 | 长江大学 | Ultrahigh pressure vibration reduction fracturing universal manifold joint |
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Application publication date: 20171124 |
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