CN208900027U - A kind of flexible pressuring device suitable for radial bore operation - Google Patents
A kind of flexible pressuring device suitable for radial bore operation Download PDFInfo
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- CN208900027U CN208900027U CN201820112575.6U CN201820112575U CN208900027U CN 208900027 U CN208900027 U CN 208900027U CN 201820112575 U CN201820112575 U CN 201820112575U CN 208900027 U CN208900027 U CN 208900027U
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- diverter
- drill bit
- radial bore
- universal shaft
- bore operation
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Abstract
The utility model relates to the flexible pressuring devices that one of underground operation tool field is suitable for radial bore operation, including oil pipe 1, helicoid hydraulic motor 2, universal shaft 18, drill bit 19 and diverter 20, universal shaft 18 and the connection of drill bit 19 reach diverter 20 by the arc track in diverter 20 and export, it further include the flexible pressuring device being connected between helicoid hydraulic motor 2 and universal shaft 18, and the positioning tube 14 being connected between oil pipe 1 and diverter 20.When carrying out radial bore operation using the utility model, by the sequential connection combination of helicoid hydraulic motor to drill bit by the way that in oil pipe tripping in positioning tube, turn on pump, decentralization top drilling tool pressurizes, only pressure joint, crossover sub, double pin ends convert pipe nipple, landing nipple, the weight of universal shaft is added on drill bit, light-weight and invariable, and Caton will not occur for drill bit.
Description
Technical field
It is the utility model relates to underground operation tool or device field, in particular to a kind of suitable for radial bore operation
Flexible pressuring device.
Background technique
Radial bore technology is to be drilled casing using dedicated junk bit, reuse high-pressure water jet oil reservoir not
Equidirectional and different depth injection, to drill out the small diameter borehole of multiple levels.Can increase length of the wellbore in oil reservoir,
Expand drainage area, improve recovery ratio；Reusable top well section reduces drilling cost；Oil well management and environment can be reduced
The expenses such as protection.Radial bore technology is of great significance to well production increment, particularly old well production potential tapping transformation.
In radial bore operation, need to be surveyed predetermined well depth position in diverter tripping in casing by orientation with oil pipe
Diverter exit spout is set in design orientation by amount, then by coiled tubing by screw rod, universal shaft and junk bit tripping in, milling is bored
Head carries out milling casing operation by after diverter exit spout, touching internal surface of sleeve pipe, pressurization.Since top drilling tool weight all adds
On universal shaft and junk bit, according to laboratory test situation it is found that when milling is close to worn out casing, since bit pressure holds greatly very much
Fitchering is easily caused, cardan shaft breaks are in turn resulted in.
Utility model content
The purpose of this utility model is to overcome bit pressures in radial bore operation to cause fitchering greatly, in turn results in ten thousand
The problem of to axle fracture, propose a kind of flexible pressuring device suitable for radial bore operation, may be implemented in milling operation plus
Press constant and bit pressure smaller, to guarantee smoothly completing for milling operation.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of flexible pressuring device suitable for radial bore operation, including oil pipe 1, helicoid hydraulic motor 2, universal shaft 18, brill
First 19 and diverter 20, universal shaft 18 and the connection of drill bit 19 reach diverter 20 by the arc track in diverter 20 and export,
Further include the flexible pressuring device being connected between helicoid hydraulic motor 2 and universal shaft 18, and be connected to oil pipe 1 and diverter 20 it
Between positioning tube 14.
Above scheme further include:
The flexible pressuring device includes seat hanging joint 4, wirerope 7, hose 10, landing nipple 15, wherein helicoid hydraulic motor 2
Lower end is connect with seat hanging joint 4, and 4 lower end of seat hanging joint is connect with hose 10,7 one end of wirerope respectively by crossover sub 8, soft
Pipe 10, wirerope 7 the other end connect with landing nipple 15 by crossover sub 8,15 lower end of landing nipple successively with universal shaft
18, drill bit 19 connects；Helicoid hydraulic motor 2, seat hanging joint 4, crossover sub 8, hose 10, wirerope 7, crossover sub 8 connect with positioning
First 15 be sequentially connected after constitute in-house tool combination, in-house tool combination is equipped with axial internal channel；1 inner wall of oil pipe is equipped with limiting stand
Rank, in-house tool combination constitute axial sliding fit, while seat hanging joint 4 and limited step structure with oil pipe 1,14 inner wall of positioning tube
Cooperate at axial limiting.
There are location hole and cutting ferrule 17 on 14 inner wall of positioning tube, cutting ferrule 17 is fixed on positioning by location hole by fixed pin 16
On 14 inner walls of cylinder；15 lower end of landing nipple is equipped with the card slot with the limit cooperation of cutting ferrule 17.
Double female connectors 3, the double public short circuits 12 being also connected between oil pipe 1 and positioning tube 14, the limited step is located at
Double 3 inner walls of female connector.
The in-house tool combination further includes the top connection 5 and connection connected between present hanging joint 4 and upper crossover sub 8
Double pin ends 11, conversion pipe nipple 13 between lower crossover sub 8 and landing nipple 15；The both ends difference of hose 10, wirerope 7
It is connect by top connection 5 and double pin ends 11 with seat hanging joint 4, landing nipple 15.
The upper and lower end of the hose 10 and wirerope 7 passes through pressure joint 9, lock sleeve 6 and top connection 5 and double public affairs respectively
Connector 11 is connected and fixed.
Drill bit 19 and the outlet of diverter 20 are vertical with the axis of the present apparatus.
The universal shaft and drill bit of the utility model pass through flexible pressuring device and crossover sub, landing nipple and top
Drilling tool is connected, after tripping in diverter, since the seat hanging joint in flexible pressuring device constitutes suspension cooperation, upper tool with outer cylinder
It is not transmitted still further below with pressure, lower part wirerope is connected with crossover sub, landing nipple, universal shaft and drill bit, and wirerope is
Flexible connection, thus only crossover sub, landing nipple, universal shaft weight be added on drill bit, it is light-weight, and it is constant not
Become, Caton will not occur for drill bit during milling, to can guarantee that milling operation smoothly completes.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a kind of embodiment of the utility model in milling casing operation original state structure chart；
Fig. 2 is a kind of embodiment of the utility model in milling casing operation construction constant compression structure graph；
Fig. 3 is a kind of embodiment of the utility model in worn out casing structure graph.
1. oil pipe in figure, 2. helicoid hydraulic motors, 3. pairs of female connectors, 4. hanging joints, 5. top connections, 6. lock sleeves, 7. steel wires
Rope, 8. crossover subs, 9. pressure joints, 10. hoses, 11. pairs of pin ends, 12. pairs of public short circuits, 13. conversion pipe nipples, 14. positioning
Cylinder, 15. landing nipples, 16. fixed pins, 17. cutting ferrules, 18. universal shafts, 19. drill bits, 20. diverters.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Embodiment 1, a kind of flexible pressuring device suitable for radial bore operation, including what is generallyd use in the prior art
Oil pipe 1, helicoid hydraulic motor 2, universal shaft 18, drill bit 19 and diverter 20, wherein universal shaft 18 and the connection of drill bit 19 pass through diverter
Arc track in 20 reaches diverter 20 and exports.The present embodiment further includes being connected to helicoid hydraulic motor 2 in prior art basis
With the flexible pressuring device between universal shaft 18, and the positioning tube 14 being connected between oil pipe 1 and diverter 20.
The flexible pressuring device includes seat hanging joint 4, wirerope 7, hose 10, landing nipple 15, wherein helicoid hydraulic motor 2
Lower end is connect with seat hanging joint 4, and 4 lower end of seat hanging joint is connect with hose 10,7 one end of wirerope respectively by crossover sub 8, soft
Pipe 10, wirerope 7 the other end connect with landing nipple 15 by crossover sub 8,15 lower end of landing nipple successively with universal shaft
18, drill bit 19 connects；Helicoid hydraulic motor 2, seat hanging joint 4, crossover sub 8, hose 10, wirerope 7, crossover sub 8 connect with positioning
First 15 be sequentially connected after constitute in-house tool combination, in-house tool combination is equipped with axial internal channel；1 inner wall of oil pipe is equipped with limiting stand
Rank, in-house tool combination constitute axial sliding fit, while seat hanging joint 4 and limited step structure with oil pipe 1,14 inner wall of positioning tube
Cooperate at axial limiting.
Embodiment 2, as shown in Figure 1, a kind of flexible pressuring device suitable for radial bore operation, (i.e. work from left to right
Make state from top to bottom) it include oil pipe 1, helicoid hydraulic motor 2, double female connectors 3, seat hanging joint 4, top connection 5, lock sleeve 6, steel wire
Rope 7, crossover sub 8, pressure joint 9, hose 10, double pin ends 11, double public short circuits 12, conversion pipe nipple 13, positioning tube 14, positioning
Connector 15, fixed pin 16, cutting ferrule 17, universal shaft 18, drill bit 19, diverter 20.2 attachment base hanging joint 4 of helicoid hydraulic motor, seat mounting
First 4 connect with top connection 5, and top connection 5 links together with crossover sub 8, the following connection pressure joint 9 of crossover sub 8, and two
It is connected between pressure joint 9 by hose 10, the pressure joint 9 and crossover sub 8 of 10 lower end of hose are linked in sequence, double pin ends
11 upper ends are connect with 8 lower end of crossover sub, and double 11 lower ends of pin end are connect with conversion pipe nipple 13, and the connection of conversion 13 lower end of pipe nipple is fixed
Position connector 15,15 lower end of landing nipple connect universal shaft 18.Universal shaft 18 links together with drill bit 19.Above and below wirerope 7
Respectively there is a lock sleeve 6 at end, by lock sleeve 6 that wirerope 7 is fixed.
Oil pipe 1, double female connectors 3, double public short circuits 12, positioning tube 14, diverter 20 are linked in sequence, and have on 14 inner wall of positioning tube
Cutting ferrule 17 is fixed on 14 inner wall of positioning tube by hole, fixed pin 16 by the hole on 14 inner wall of positioning tube.
When carrying out radial bore operation using the utility model, as shown in Figure 1, first by helicoid hydraulic motor 2, double female connectors 3,
Seat hanging joint 4, top connection 5, lock sleeve 6, wirerope 7, pressure joint 9, crossover sub 8, hose 10, double pin ends 11, conversion
Pipe nipple 13, landing nipple 15, universal shaft 18, drill bit 19 are linked in sequence, and then this set of combination passes through oil pipe 1, double female connectors
3, in 12 tripping in positioning tubes 14 of double public short circuits, universal shaft 18 and drill bit 19 are reached by the arc track in diverter 20 and are turned to
Device 20 exports, and drill bit 19 is on 90 degree of tops to internal surface of sleeve pipe.
Turn on pump carries out radial bore operation, and decentralization top drilling tool pressurization, such as Fig. 2, seat hanging joint 4 in double female connectors 3
Step on, since wirerope 7 and hose 10 are flexible connections, transfer top drilling tool, after seat hanging joint 4 are hung, wirerope 7 and
The softening of hose 10 does not stress, so only pressure joint 9, crossover sub 8, double pin ends 11 convert pipe nipple 13, landing nipple
15, the weight of universal shaft 18 is added on drill bit 19, light-weight and invariable, and drill bit 19 will not occur during milling
Caton, to can guarantee that milling operation smoothly completes.
Continue milling operation, drill bit 19 is gradually worn out by internal surface of sleeve pipe, and landing nipple 15 moves to the position of cutting ferrule 17 at this time
It sets and is fixed by cutting ferrule 17, to enable the length of the prominent diverter of drill bit to reach the requirement of design, as shown in Figure 3.
The utility model is not limited in above-described embodiment, for example, 10 material of hose can be selected arbitrarily, fixed form can
Arbitrarily to select, the connection workpiece of 7 top of wirerope and lower part can be arbitrarily devised, the workpiece of wirerope 7 and top and lower part
Connection type can be selected arbitrarily.It is all on the basis of technical solution disclosed by the utility model, those skilled in the art's root
According to disclosed technology contents, replacement and deformation can be made to technical characteristic therein by not needing creative work, this
It is a little to replace and deform in the range of the utility model is protected.
Claims (7)
1. a kind of flexible pressuring device suitable for radial bore operation, including oil pipe (1), helicoid hydraulic motor (2), universal shaft
(18), drill bit (19) and diverter (20), universal shaft (18) and drill bit (19) connection pass through the arc track in diverter (20)
Diverter (20) outlet is reached, it is characterized in that: further including the flexible pressurizing being connected between helicoid hydraulic motor (2) and universal shaft (18)
Device, and the positioning tube (14) being connected between oil pipe (1) and diverter (20).
2. a kind of flexible pressuring device suitable for radial bore operation according to claim 1, it is characterized in that: described soft
Property pressurizing device includes seat hanging joint (4), wirerope (7), hose (10), landing nipple (15), wherein helicoid hydraulic motor (2) lower end
Connect with seat hanging joint (4), seat hanging joint (4) lower end by a crossover sub (8) respectively with hose (10), wirerope (7) one
End connection, hose (10), wirerope (7) the other end connect with landing nipple (15) by another crossover sub (8), positioning connects
Head (15) lower end is successively connect with universal shaft (18), drill bit (19)；Helicoid hydraulic motor (2), seat hanging joint (4), crossover sub (8),
Hose (10), wirerope (7), crossover sub (8) constitute in-house tool after being sequentially connected with landing nipple (15) and combine, internal work
Tool combination is equipped with axial internal channel；Oil pipe (1) inner wall is equipped with limited step, in-house tool combination and oil pipe (1), positioning tube (14)
Inner wall constitutes axial sliding fit, while seat hanging joint (4) and limited step constitute axial limiting cooperation.
3. a kind of flexible pressuring device suitable for radial bore operation according to claim 2, it is characterized in that: positioning
There are location hole and cutting ferrule (17) on cylinder (14) inner wall, cutting ferrule (17) is fixed on positioning tube (14) by location hole by fixed pin (16)
On inner wall；Landing nipple (15) lower end is equipped with the card slot with cutting ferrule (17) limit cooperation.
4. a kind of flexible pressuring device suitable for radial bore operation according to claim 3, it is characterized in that: in oil pipe
(1) double female connectors (3) for being also connected between positioning tube (14), it is double it is public be shorted (12), the limited step is located at double mothers and connects
Head (3) inner wall.
5. a kind of flexible pressuring device suitable for radial bore operation according to claim 4, it is characterized in that: in described
Portion's tool combinations further include the top connection (5) connected between present hanging joint (4) and a crossover sub (8) and are connected to another turn
Double pin ends (11), conversion pipe nipple (13) between changing-over head (8) and landing nipple (15)；The two of hose (10), wirerope (7)
End is connect by top connection (5) and double pin ends (11) with seat hanging joint (4), landing nipple (15) respectively.
6. a kind of flexible pressuring device suitable for radial bore operation according to claim 5, it is characterized in that: described soft
The upper and lower end of pipe (10) and wirerope (7) passes through pressure joint (9), lock sleeve (6) and top connection (5) and double pin ends respectively
(11) it is connected and fixed.
7. -6 any a kind of flexible pressuring device suitable for radial bore operation according to claim 1, it is characterized in that:
Drill bit (19) and diverter (20) outlet are vertical with the axis of the present apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112575.6U CN208900027U (en) | 2018-01-23 | 2018-01-23 | A kind of flexible pressuring device suitable for radial bore operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820112575.6U CN208900027U (en) | 2018-01-23 | 2018-01-23 | A kind of flexible pressuring device suitable for radial bore operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208900027U true CN208900027U (en) | 2019-05-24 |
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ID=66565185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820112575.6U Active CN208900027U (en) | 2018-01-23 | 2018-01-23 | A kind of flexible pressuring device suitable for radial bore operation |
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| Country | Link |
|---|---|
| CN (1) | CN208900027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067507A (en) * | 2018-01-23 | 2019-07-30 | 中石化石油工程技术服务有限公司 | A kind of flexible pressuring device suitable for radial bore operation |
-
2018
- 2018-01-23 CN CN201820112575.6U patent/CN208900027U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067507A (en) * | 2018-01-23 | 2019-07-30 | 中石化石油工程技术服务有限公司 | A kind of flexible pressuring device suitable for radial bore operation |
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