CN207739985U - Salvagable well-flushing sliding sleeve - Google Patents
Salvagable well-flushing sliding sleeve Download PDFInfo
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- CN207739985U CN207739985U CN201721877016.6U CN201721877016U CN207739985U CN 207739985 U CN207739985 U CN 207739985U CN 201721877016 U CN201721877016 U CN 201721877016U CN 207739985 U CN207739985 U CN 207739985U
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- well
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Abstract
The utility model is related to arrive well washing equipment field, and in particular to arrive salvagable well-flushing sliding sleeve.Including sliding sleeve ontology, test pipe device and fisher, sliding sleeve ontology includes top connection, piston ring, lower contact, spring, it tests pipe device to include spiral extension, connecting pole, outer tube, central tube, shear pin, test seal ring, weight linear meter, fisher includes upper extension bar, elongation bar, casing, lock ring, lower linking tube, bar.The utility model, it is simple in structure, it is easy to operate, operation team working efficiency is improved, labor intensity is reduced, alleviates environmental pollution, the well-flushing sliding sleeve reasonable design, technique success rate is high, can meet the requirement of water filling, well-flushing and salvaging simultaneously, application effect is good.
Description
Technical field
The utility model is related to arrive well washing equipment field, and in particular to arrive salvagable well-flushing sliding sleeve.
Background technology
Well-flushing refers to due to requirement of engineering, during workover treatment, by well-flushing medium by pumping-in equipment through pit shaft or brill
Bar injects, and the substance (liquid phase, solid phase, gas phase) in pit shaft is carried to ground, to which the medium character changed in pit shaft reaches
The process of job requirements.The method of well-flushing has：It is pumped into clear water with former drilling pump, that is, after clear water changes slurry, is further continued for cycle and washes
Well claims water flushing；Stop clear water cycle, is carried up and down with piston is continuous in well casing, cause stress excitement, destroy borehole wall mud
Skin, while water-bearing layer hole is dredged, claim piston well-flushing；Piston well-flushing needs alternate repetition to carry out；Before bailing test, first using centrifugation
Pump or air compressor, groundwater abstraction reach water clearly and stablize water outlet, then carry out bailing test, referred to as pumping well-flushing and pressure
Contracting air circulation；In addition there are with carbon dioxide well-flushing, pickling well.Salvagable well-flushing sliding sleeve mainly applies to oil well, well
Well-flushing downhole tool.
Utility model content
The technical problem to be solved by the utility model is to a kind of reasonable designs, and application effect is good, technique success rate
Height can meet water filling, well-flushing and salvage desired salvagable well-flushing sliding sleeve simultaneously.
To achieve the goals above, technical solution provided by the utility model is：
Salvagable well-flushing sliding sleeve, including sliding sleeve ontology, test pipe device and fisher, sliding sleeve ontology include hollow top connection,
The inner edge of top connection is provided with sliding slot, and trepanning is provided on top connection side wall corresponding with sliding slot top, work is provided in sliding slot
Plug ring, the outer rim of piston ring and the cell wall of sliding slot are slidably and sealingly connected with, and the inner edge upper end of piston ring is provided with upper end to piston ring
Outer rim expands the conical surface, is provided with hollow lower contact below top connection, top connection is threadedly coupled with lower contact, the inner edge of lower contact
Top is provided with annular groove, and spring is provided between piston ring lower end and the lower slot bottom of annular groove；
The pipe device of testing includes that spiral is hung, and spiral hangs lower end and is provided with connecting pole, and connecting pole is connect with outer tube threaded upper ends,
Central tube is provided in outer tube, central tube lower end extends to below outer tube, and outer tube is fixedly connected with central tube by shear pin, center
It is provided with first through hole on the tube wall of pipe, it is logical that corresponding with first through hole second is provided on the outer tube wall below first through hole
Hole, the lower end outer rim of central tube, which is fixedly installed, tests seal ring, and the peripheral-edge lower for testing seal ring is provided with center of the lower end to central tube
The lower internal thread of the arcwall face of gathering, central tube is connected with weight linear meter, and the slot being connected to central tube is provided in weight linear meter,
The fifth hole being connected to slot is provided on the side wall of weight linear meter；
The fisher includes upper extension bar, and the lower end of upper extension bar and the threaded upper ends of elongation bar connect, and elongation bar lower part is set
It sets in casing, sleeve upper end is threaded with the lock ring being slidably matched with elongation bar, and the elongation bar lower end in casing is provided with
Bumping post, the diameter of bumping post are more than the internal diameter of lock ring, and the lower thread of casing is connected with lower linking tube, the lower end of lower linking tube be provided with
The both ends of its vertical bar, bar extend to the outside of lower linking tube.
Specifically, the spiral satchel includes ring portion, it is provided with according to its longitudinal center line pair on the sidewall upper face of ring portion
The upper end of the lug boss of title, lug boss is tip, and it is symmetrical vertical according to the axial centre of ring portion to be both provided on lug boss
Slot hole, the centrosymmetric helicla flute of longitudinal center line according to ring portion is both provided on lug boss, and helicla flute prolongs to ring portion spiral
It stretches, helicla flute is connected to slot hole.
Specifically, the outer rim of the piston ring and the cell wall of sliding slot are slidably connected by multiple first sealing rings, first is close
Seal ring divides equally the both sides up and down for being arranged in trepanning, and the second sealing is provided between lower contact top outer rim and top connection lower internal edge
Ring, is provided with third sealing ring and the 4th sealing between central tube outer rim and outer tube inner edge, first through hole is located at third sealing ring
And the 4th between sealing ring.
Specifically, the top connection lower end is provided with the steady nail of stable lower contact.
Specifically, the top in the upper extension bar is provided with fourth hole, the lower part in upper extension bar is provided with and four-way
The third through-hole of hole connection, third through-hole and the upper extension bar of fourth hole perforation, the diameter of fourth hole are less than the straight of third through-hole
Diameter.
Specifically, the conical surface and arcwall face are shiny surface.
Compared with prior art, the beneficial effects of the utility model are：
The utility model, it is simple in structure, it is easy to operate, operation team working efficiency is improved, labor intensity is reduced, alleviates
Environmental pollution, the well-flushing sliding sleeve reasonable design, technique success rate is high, can meet the requirement of water filling, well-flushing and salvaging simultaneously, applies
It works well.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram that spiral is hung.
Fig. 3 is the expanded view that spiral is hung.
Parts title in attached drawing is：
1, top connection, 2, piston ring, the 3, first sealing ring, 4, spring, the 5, second sealing ring, 6, stablize, 7, lower contact,
8, spiral is hung, and 9, outer tube, 10, third sealing ring, 11, first through hole, 12, central tube, the 13, second through-hole, 14, shear pin, 15, test
Seal ring, 16, weight linear meter, 17, upper extension bar, 18, elongation bar, 19, lock ring, 20, casing, 21, lower linking tube, 22, bar, 23,
Three through-holes, 24, fourth hole, 25, connecting pole, 26, lug boss, 27, ring portion, 28, slot hole, 29, helicla flute, 30, bumping post, 31,
Fifth hole, 32, slot, 33, trepanning, 34, arcwall face, 35, the conical surface, 36, sliding slot, 37, annular groove, the 38, the 4th sealing ring.
Specific implementation mode
As shown in Figs. 1-3, salvagable well-flushing sliding sleeve, including sliding sleeve ontology, pipe device and fisher are tested, during sliding sleeve ontology includes
Empty top connection 1, the inner edge of top connection 1 is provided with sliding slot 36, is provided on 1 side wall of top connection corresponding with 36 top of sliding slot
Trepanning 33 is provided with piston ring 2 in sliding slot 36, and the outer rim and the cell wall of sliding slot 36 of piston ring 2 are slidably and sealingly connected with, the piston
The outer rim of ring 2 and the cell wall of sliding slot 36 are slidably connected by multiple first sealing rings 3, and the first sealing ring 3, which is divided equally, is arranged in trepanning
33 both sides up and down.The inner edge upper end of piston ring 2 is provided with upper end and expands the conical surface 35 to 2 outer rim of piston ring, and the conical surface 35 is smooth
Face.The lower section of top connection 1 is provided with hollow lower contact 7, and top connection 1 is threadedly coupled with lower contact 7,7 top outer rim of lower contact and
The second sealing ring 5 is provided between 1 lower internal edge of top connection.The inner edge top of lower contact 7 is provided with annular groove 37, under piston ring 2
It is provided with spring 4 between end and the lower slot bottom of annular groove 37.1 lower end of the top connection is provided with the steady nail 6 of stable lower contact 7.
The pipe device of testing includes that spiral hangs 8, and it includes ring portion 27 that the spiral, which hangs 8, is arranged on the sidewall upper face of ring portion 27
The upper end of the with good grounds symmetrical lug boss 26 of its axial centre, lug boss 26 is tip, and basis is both provided on lug boss 26
The axial centre symmetrical vertical slot hole 28 of ring portion 27 is both provided in the longitudinal center line according to ring portion 27 on lug boss 26
The symmetrical helicla flute 29 of the heart, helicla flute 29 are extended spirally to ring portion 27, and helicla flute 29 is connected to slot hole 28.Spiral is hung 8 lower ends and is set
It is equipped with connecting pole 25, connecting pole 25 is connect with 9 threaded upper ends of outer tube, and central tube 12,12 outer rim of central tube are provided in outer tube 9
Third sealing ring 10 and the 4th sealing ring 38 are provided between outer tube 9, first through hole 11 is located at third sealing ring 10 and the 4th
Between sealing ring 38.12 lower end of central tube extends to 9 lower section of outer tube, and outer tube 9 is fixedly connected with central tube 12 by shear pin 14, in
It is provided with first through hole 11 on the tube wall of heart pipe 12, is provided with and first through hole 11 on 9 tube wall of outer tube of 11 lower section of first through hole
Corresponding second through-hole 13, the lower end outer rim of central tube 12, which is fixedly installed, tests seal ring 15, tests the peripheral-edge lower setting of seal ring 15
It is shiny surface to have the arcwall face 34 that lower end is collapsed to the center of central tube 12, arcwall face 34.The lower internal thread of central tube 12 connects
Be connected to weight linear meter 16, the slot 32 being connected to central tube 12 be provided in weight linear meter 16, be provided on the side wall of weight linear meter 16 with
The fifth hole 31 that slot 32 is connected to, the longitudinal center line of fifth hole 31 are vertical with the longitudinal center line of slot 32.
The fisher includes upper extension bar 17, and the top in upper extension bar 17 is provided with fourth hole 24, in upper extension bar 17
Lower part is provided with the third through-hole 23 being connected to fourth hole 24, third through-hole 23 and the upper extension bar 17 of the perforation of fourth hole 24, the
The diameter of four through-holes 24 is less than the diameter of third through-hole 23.The lower end of upper extension bar 17 is connect with the threaded upper ends of elongation bar 18, is stretched
18 lower part of stock is arranged in casing 20, and 20 threaded upper ends of casing are connected with the lock ring 19 being slidably matched with elongation bar 18, casing
18 lower end of elongation bar in 20 is provided with bumping post 30, and the diameter of bumping post 30 is more than the internal diameter of lock ring 19, the lower thread of casing 20
It is connected with lower linking tube 21, the lower end of lower linking tube 21 is provided with perpendicular bar 22, and the both ends of bar 22 extend to lower linking tube
21 outside.
Sliding sleeve ontology upper and lower ends connect with oil pipe and transfer to design position respectively, are thrown from oil pipe before well-flushing pipe device is tested
Enter, tests the sealing cooperation of the conical surface 35 for testing the arcwall face 34 of seal ring 15 on pipe device with 2 top of piston ring, closing oil pipe channel, ground
The fluid injection out of oil pipe of well-flushing waterwheel, piston ring 2 compressed spring 4 and downlink under fluid pressure effect, when trepanning 33 and top connection 1
After the connection of inside, oil pipe is connected to oil jacket annular space, and then can proceed by clean-out service.Well-flushing finishes, and unloads fisher
One end of steel wire rope is fixedly connected with upper extension bar 17, then transfers fisher, when the bar 22 of fisher lower end by upper extension bar 17
Into after helicla flute 29, fisher will rotate whereabouts until bar 22 enters in slot hole 28, pull up steel wire rope at this time
Pipe device will be tested to take out of.Piston ring 2 resets under the effect of 4 elastic force of spring, and trepanning 33 is closed, and oil pipe flow channels are connected to, beat again
Operation is dragged for complete.
When the tube body for testing 2 lower section of seal ring 15 and piston ring generates larger negative pressure, arcwall face 34 is not easy and the conical surface 35
Separation pulls up spiral and hangs 8 so that spiral is hung 8 by the pulling outer tube 9 cutting shear pin 14 of connecting pole 25 and transported upwards at this time
Dynamic, when first through hole 11 is connected to the second through-hole 13, the air tested in 15 upper tube of seal ring runs past first through hole 11, the
Two through-holes 13, central tube 12, slot 32 and fifth hole 31 enter arcwall face 34 and the lower section at 35 sealing of the conical surface, to disappear
Except the pressure difference for testing seal ring 15 and piston ring 2 lower section tube body and lower section tube body, then testing pipe device can easily be suggested.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (6)
1. salvagable well-flushing sliding sleeve, including sliding sleeve ontology, test pipe device and fisher, which is characterized in that sliding sleeve ontology includes hollow
Top connection (1), the inner edge of top connection (1) is provided with sliding slot (36), on top connection (1) side wall corresponding with sliding slot (36) top
It is provided with trepanning (33), piston ring (2) is provided in sliding slot (36), the outer rim of piston ring (2) is slided with the cell wall of sliding slot (36)
It is tightly connected, the inner edge upper end of piston ring (2) is provided with upper end to piston ring (2) outer rim expansion conical surface (35), under top connection (1)
Side is provided with hollow lower contact (7), and top connection (1) is threadedly coupled with lower contact (7), the inner edge top setting of lower contact (7)
There is annular groove (37), spring (4) is provided between piston ring (2) lower end and the lower slot bottom of annular groove (37)；
The pipe device of testing includes that spiral hangs (8), and spiral hangs (8) lower end and is provided with connecting pole (25), connecting pole (25) and outer tube (9)
Threaded upper ends connect, and central tube (12) is provided in outer tube (9), and central tube (12) lower end extends to below outer tube (9), outer tube
(9) it is fixedly connected by shear pin (14) with central tube (12), is provided with first through hole (11) on the tube wall of central tube (12), first
It is provided with the second through-hole (13) corresponding with first through hole (11), central tube (12) on outer tube (9) tube wall below through-hole (11)
Lower end outer rim be fixedly installed and test seal ring (15), the peripheral-edge lower for testing seal ring (15) is provided with lower end into central tube (12)
The lower internal thread of the arcwall face (34) that the heart collapses, central tube (12) is connected with weight linear meter (16), is provided in weight linear meter (16)
The slot (32) being connected to central tube (12) is provided with the fifth hole being connected to slot (32) on the side wall of weight linear meter (16)
(31)；
The fisher includes upper extension bar (17), and the lower end of upper extension bar (17) is connect with the threaded upper ends of elongation bar (18), elongation
For the setting of bar (18) lower part in casing (20), casing (20) threaded upper ends are connected with the lock ring being slidably matched with elongation bar (18)
(19), elongation bar (18) lower end in casing (20) is provided with bumping post (30), and the diameter of bumping post (30) is more than the interior of lock ring (19)
The lower thread of diameter, casing (20) is connected with lower linking tube (21), and the lower end of lower linking tube (21) is provided with perpendicular bar
(22), the both ends of bar (22) extend to the outside of lower linking tube (21).
2. salvagable well-flushing sliding sleeve according to claim 1, which is characterized in that it includes ring portion (27), ring that the spiral, which hangs (8),
It is provided on the sidewall upper face in portion (27) according to the symmetrical lug boss of its axial centre (26), the upper end of lug boss (26) is
Tip is both provided with the symmetrical vertical slot hole (28) of axial centre according to ring portion (27), lug boss on lug boss (26)
(26) it is both provided with the centrosymmetric helicla flute of longitudinal center line (29) according to ring portion (27) on, helicla flute (29) is to ring portion
(27) it extends spirally, helicla flute (29) is connected to slot hole (28).
3. salvagable well-flushing sliding sleeve according to claim 1, which is characterized in that the outer rim and sliding slot of the piston ring (2)
(36) cell wall is slidably connected by multiple first sealing rings (3), and the first sealing ring (3), which is divided equally, is arranged in the upper and lower of trepanning (33)
Both sides are provided with the second sealing ring (5) between lower contact (7) top outer rim and top connection (1) lower internal edge, central tube (12) is outside
Third sealing ring (10) and the 4th sealing ring (38) are provided between edge and outer tube (9) inner edge, first through hole (11) is located at third
Between sealing ring (10) and the 4th sealing ring (38).
4. salvagable well-flushing sliding sleeve according to claim 1, which is characterized in that top connection (1) lower end is provided with stabilization
The steady nail (6) of lower contact (7).
5. salvagable well-flushing sliding sleeve according to claim 1, which is characterized in that the top in the upper extension bar (17) is provided with
Fourth hole (24), the lower part in upper extension bar (17) are provided with the third through-hole (23) being connected to fourth hole (24), and third is logical
Extension bar (17) on hole (23) and fourth hole (24) perforation, the diameter of fourth hole (24) are less than the diameter of third through-hole (23).
6. salvagable well-flushing sliding sleeve according to claim 1, which is characterized in that the conical surface (35) is with arcwall face (34)
Shiny surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877016.6U CN207739985U (en) | 2017-12-28 | 2017-12-28 | Salvagable well-flushing sliding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877016.6U CN207739985U (en) | 2017-12-28 | 2017-12-28 | Salvagable well-flushing sliding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207739985U true CN207739985U (en) | 2018-08-17 |
Family
ID=63120313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721877016.6U Active CN207739985U (en) | 2017-12-28 | 2017-12-28 | Salvagable well-flushing sliding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207739985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236894A (en) * | 2020-01-16 | 2020-06-05 | 西南石油大学 | Seabed shallow layer natural gas hydrate exploitation device |
-
2017
- 2017-12-28 CN CN201721877016.6U patent/CN207739985U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236894A (en) * | 2020-01-16 | 2020-06-05 | 西南石油大学 | Seabed shallow layer natural gas hydrate exploitation device |
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| GR01 | Patent grant |