CN203594361U - Zero-radius radial water jet ejection guider - Google Patents
Zero-radius radial water jet ejection guider Download PDFInfo
- Publication number
- CN203594361U CN203594361U CN201320838024.5U CN201320838024U CN203594361U CN 203594361 U CN203594361 U CN 203594361U CN 201320838024 U CN201320838024 U CN 201320838024U CN 203594361 U CN203594361 U CN 203594361U
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- Prior art keywords
- guide
- guider
- pipe
- water jet
- radius
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000007921 spray Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 230000035699 permeability Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 18
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model relates to a zero-radius radial water jet ejection guider which comprises a guide shoe pipe (1), oil pipe screw threads (2), a guide body (3) and a guide groove (4). The outer side of the guide shoe pipe (1) is sleeved with the oil pipe screw threads (2), and the bottom end of the guide shoe pipe (1) is fixedly connected with the guide body (3). The guide groove (4) which transits from the vertical direction to the horizontal direction is formed in the guide body (3), one end of the guide groove (4) is communicated with the guide shoe pipe (1), and the other end of the guide groove (4) is communicated with the side face of the guide body (3). By the adoption of the zero-radius radial water jet drilling technology, the curvature radius is smaller than the diameter of an underground tool, so that switching from the vertical direction to the horizontal direction can be finished in a shaft, the effect of optimal zero-radius radial horizontal drilling is achieved, resistance of a steering device on a flexible ejection tube string is greatly reduced, the individual-well producing rate is effectively improved at a lower cost, economic benefits are improved, and the guider can be applied to exploitation of maturing oil fields, marginal oil fields, low permeability reservoirs and coalbed methane.
Description
Technical field
The utility model belongs to petroleum machinery field, and particularly a kind of no-radius radial water jet sprays guider.
Background technology
At present, in the exploitation in oil field, horizontal well drilling obtains extensive high-speed development, cannot develop by the method for straight well for some special oil reservoirs or when benefit is very low usage level well often income is obvious, particularly all the more so at some vertically fractured wells, precipitous one-tenth oil reservoir and heavy oil tested layer.And horizontal well adopts conventional drilling mode mostly, radius of curvature mostly more than 150 meters, even the radius of curvature of super short radial horizontal well is also 3 meters of left and right, because radius of curvature is larger, the work difficulty while having increased operation.Having human hair to understand a kind of instrument that bores radial level hole in old casing, aim at target zone and utilize water jet directly to realize horizontal drilling perforate in sleeve pipe, is exactly almost no-radius horizontal drilling, still, there is no at present the transfer for this instrument.
Summary of the invention
The purpose of this utility model is to provide a kind of no-radius radial water jet and sprays guider, solves the problem of the guiding device that there is no at present no-radius horizontal drilling instrument.
The utility model is achieved through the following technical solutions: a kind of no-radius radial water jet sprays guider, this device comprises guide shoe pipe, oil pipe thread, guide way and gathering sill, guide shoe pipe outside is set with oil pipe thread, and the bottom of guide shoe pipe is fixedly connected with guide way; There is the gathering sill from vertical transition to level guide way inside, and gathering sill one end communicates with guide shoe pipe, and the other end communicates with guide way side.
Alloy sleeve is equipped with in the exit of described gathering sill.
Between described guide shoe pipe and oil pipe thread, also have pin to fix.
Described guide way comprises two semicircular body, in two semicircular body, has snakelike guide groove, and two semicircular body are staggered relatively and have a bolton, the inner gathering sill forming from vertical transition to level.
Adopt the good effect of technique scheme: the utility model adopts no-radius radial water jet drilling technology, radius of curvature is less than the diameter of downhole tool, can in pit shaft, complete by vertical turning to horizontal direction, reach the effect of the optimal radial horizontal drilling of no-radius, greatly reduce the resistance of steering gear to flexibility injection pipe string, effectively improve well yield with lower cost, increase economic benefit, can be applicable in the exploitation of old filed, marginal oil field, low-permeability oil gas reservoir and coal bed gas.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1 guide shoe pipe, 2 oil pipe threads, 3 guide waies, 4 gathering sills, 5 alloy sleeves, 6 pins.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further, but should not be construed as restriction of the present utility model:
Fig. 1 is structural representation of the present utility model, as shown in the figure, a kind of no-radius radial water jet sprays guider, and this device comprises guide shoe pipe 1, oil pipe thread 2, guide way 3 and gathering sill 4, guide shoe pipe 1 outside is set with oil pipe thread 2, and the bottom of guide shoe pipe 1 is fixedly connected with guide way 3; There is the gathering sill 4 from vertical transition to level guide way 3 inside, and gathering sill 4 one end communicate with guide shoe pipe 1, and the other end communicates with guide way 3 sides, has formed the main body of this device, reduce the resistance of steering gear to flexibility injection pipe string.The effect of guide shoe pipe is to guarantee that injection pipe string and jet bit enter in gathering sill smoothly, and oil pipe thread can directly connect centralizer and operation tubing, guarantee that guide shoe pipe is in oil pipe inner chamber, the effect of gathering sill is that injection pipe string and jet bit are become to horizontal direction from vertical transition.
In order to make guider durable wear, increase application life, alloy sleeve 5 is also equipped with in the exit of described gathering sill 4.
Between described guide shoe pipe 1 and oil pipe thread 2, be provided with pin 6 fixing, further play fixing effect.
Concrete, described guide way 3 comprises two semicircular body, has the snakelike guide groove of same size in two semicircular body, and two semicircular body are staggered relatively to be anchored to together and to have a bolton, the inner circular gathering sill 4 forming from vertical transition to level.
The utility model relates to a kind of instrument that bores radial level hole in old casing used in oil extraction in oil field field, and in sleeve pipe, aim at target zone and utilize water jet directly to realize horizontal drilling perforate, be exactly almost no-radius horizontal drilling.This technology can get out relatively easily multiple radial branching wells in existing pit shaft, do not need complicated deflecting, the operations such as TRAJECTORY CONTROL, and the parts of this device links all pass through cure process, like this under instrument lower going-into-well after assigned address, from the flexible spraycan of sending into coiled tubing in oil pipe chamber, can be incorporated into smoothly the position of gathering sill by guide shoe pipe, because gathering sill is the circular hole with radian, the radian of gathering sill is from 0 degree continuous transition to 90 degree, namely from vertically to level, spraying drilling tool with the flexibility of drill bit so is just forced to directly turn to level, and can rotate freely in gathering sill, and transmit the pressure of the drill and moment of torsion downwards, realize smoothly horizontal bore and horizontal drilling operation.
This device is easy to process, practical, durable in use again.Guider is connected to composition optimal radial drilling tool with centralizer and oil pipe; Reduce the resistance of steering gear to steel flexible drill string and jet hose, reduce reaming cost, increase radial level drilling depth.
This instrument has passed through on-the-spot application verification, and in northern 1-3-fourth 76, reliable and stable in the use procedure in northern 3-1-fourth 42 wells, long service life, operating efficiency are high, have obtained good effect.
Claims (4)
1. a no-radius radial water jet sprays guider, it is characterized in that: this device comprises guide shoe pipe (1), oil pipe thread (2), guide way (3) and gathering sill (4), guide shoe pipe (1) outside is set with oil pipe thread (2), and the bottom of guide shoe pipe (1) is fixedly connected with guide way (3); There is the gathering sill (4) from vertical transition to level guide way (3) inside, and gathering sill (4) one end communicates with guide shoe pipe (1), and the other end communicates with guide way (3) side.
2. no-radius radial water jet according to claim 1 sprays guider, it is characterized in that: alloy sleeve (5) is equipped with in the exit of described gathering sill (4).
3. no-radius radial water jet according to claim 1 sprays guider, it is characterized in that: between described guide shoe pipe (1) and oil pipe thread (2), also have pin (6) fixing.
4. no-radius radial water jet according to claim 1 sprays guider, it is characterized in that: described guide way (3) comprises two semicircular body, in two semicircular body, have snakelike guide groove, two semicircular body are staggered relatively and have a bolton, the inner gathering sill (4) forming from vertical transition to level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838024.5U CN203594361U (en) | 2013-12-19 | 2013-12-19 | Zero-radius radial water jet ejection guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320838024.5U CN203594361U (en) | 2013-12-19 | 2013-12-19 | Zero-radius radial water jet ejection guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594361U true CN203594361U (en) | 2014-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320838024.5U Expired - Fee Related CN203594361U (en) | 2013-12-19 | 2013-12-19 | Zero-radius radial water jet ejection guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525874A (en) * | 2015-12-03 | 2016-04-27 | 中国石油天然气集团公司 | Rotary outlet device of guide device for drilling radial horizontal holes |
| CN112627730A (en) * | 2020-12-18 | 2021-04-09 | 成都理工大学 | Method and device for reentry into radial branch well |
-
2013
- 2013-12-19 CN CN201320838024.5U patent/CN203594361U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525874A (en) * | 2015-12-03 | 2016-04-27 | 中国石油天然气集团公司 | Rotary outlet device of guide device for drilling radial horizontal holes |
| CN112627730A (en) * | 2020-12-18 | 2021-04-09 | 成都理工大学 | Method and device for reentry into radial branch well |
| CN112627730B (en) * | 2020-12-18 | 2022-10-28 | 成都理工大学 | Method and device for reentry into radial branch well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |