CN103615195A - Method for connection between horizontal well and vertical well of tunnel - Google Patents
Method for connection between horizontal well and vertical well of tunnel Download PDFInfo
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- CN103615195A CN103615195A CN201310632159.0A CN201310632159A CN103615195A CN 103615195 A CN103615195 A CN 103615195A CN 201310632159 A CN201310632159 A CN 201310632159A CN 103615195 A CN103615195 A CN 103615195A
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Abstract
The invention provides a method for connection between a horizontal well and a vertical well of a tunnel. The method for connection between the horizontal well and the vertical well of the tunnel comprises the steps of drilling the horizontal well in the side wall of the tunnel in the horizontal direction; determining the position of one end, far away from the tunnel, of the horizontal well; determining a vertical well drilling point, corresponding to the position, on the ground, drilling the vertical well, and guiding the drilling direction of a drilling tool through cooperation between a magnetic connector which is installed on the drilling tool for drilling the vertical well, and a magnetic detection instrument which is arranged in one end of the horizontal well in at least part of drilling stages of drilling of the vertical well, wherein the vertical well drilling point and one end of the horizontal well are connected through the vertical well. According to the method for connection between the horizontal well and the vertical well of the tunnel, due to the facts that the magnetic connector is installed on the drilling tool for drilling the vertical well, the magnetic detection instrument used for detecting the magnetic connector is installed in one end of the horizontal well, and then the lower end of the vertical well and one end of the horizontal well are connected through cooperation between the magnetic detection instrument and the magnetic connector, the horizontal well and the vertical well have high connection accuracy, and the phenomenon that the vertical well deflects is avoided.
Description
Technical field
The present invention relates to Jing Lu and be communicated with field, more specifically, relate to a kind of method that horizontal well of tunnel is communicated with straight well.
Background technology
At present, tunnel is all the method that adopts straight well and horizontal well to cooperatively interact with being communicated with of ground.Yet straight well is larger with the difficulty being communicated with of horizontal well, and the precision being communicated with is not easy to control.
Summary of the invention
The present invention aims to provide a kind of method that horizontal well of tunnel is communicated with straight well, the problem that is difficult to be communicated with straight well to solve the horizontal well in the tunnel of prior art.
For solving the problems of the technologies described above, the invention provides a kind of method that horizontal well of tunnel is communicated with straight well, comprising: along continuous straight runs is drilled with horizontal well on the sidewall in tunnel; Determine the position of one end away from tunnel of horizontal well; Determine that the ground straight well corresponding with position is drilled with a little; Being drilled with one is communicated with straight well and is drilled with some the straight well with one end of horizontal well, in the stage that is drilled with at least partly that is drilled with straight well, utilize the direction that is drilled with of the guiding drilling tool that cooperatively interacts of the magnetic determining device in the one end that is arranged on the magnetic joint on the drilling tool that is drilled with straight well and is arranged on horizontal well.
Further, the method that is drilled with straight well comprises: from straight well, be drilled with a little to one end of horizontal well and be drilled with a straight well until the distance of the lower end of straight well and one end of horizontal well reaches preset distance; Magnetic joint is installed being drilled with on the drilling tool of straight well; Magnetic determining device 50 for detection of magnetic joint 40 is installed in one end of horizontal well; Utilize magnetic determining device to continue the lower end of straight well to creep into one end of horizontal well, until the lower end of straight well and one end of horizontal well connect.
Further, along continuous straight runs is drilled with after horizontal well on the sidewall in tunnel, the method that horizontal well is communicated with straight well also comprises: the one end at horizontal well forms a cavity, and selectes a connectivity points in cavity, then determines that the ground straight well corresponding with connectivity points is drilled with a little.
Further, at the connectivity points place of cavity, the magnetic determining device for detection of magnetic joint is installed.
Further, the diameter of cavity is greater than 500mm.
Further, the length of cavity is greater than 5000mm.
Further, in the net horizontal section of the distance horizontal well of the cavity selected connectivity points in 2000mm place at least.
Further, form after cavity, the method that the horizontal well in tunnel is communicated with diameter also comprises: in cavity, divide into measuring apparatus, and the space coordinates of definite connectivity points, and determine that according to the coordinate information of connectivity points straight well is drilled with a little.
Further, from straight well, be drilled with a little to one end of horizontal well and be drilled with a straight well until the distance of the lower end of straight well and one end of horizontal well reaches 30000mm.
The present invention installs magnetic joint being drilled with on the drilling tool of straight well, and in one end of horizontal well, the magnetic determining device for detection of magnetic joint is installed; Then, according to cooperatively interacting of magnetic determining device and magnetic joint, the lower end of straight well is communicated with one end of horizontal well.Like this, make horizontal well and straight well there is the higher precision that is communicated with, avoided occurring the situation of straight well deflection.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the horizontal well in the tunnel in the present invention and the schematic diagram that is communicated with of straight well.
Reference numeral in figure: 10, tunnel; 20, horizontal well; 21, cavity; 22, net horizontal section; 30, straight well; 31, straight well is drilled with a little; 40, magnetic joint; 50, magnetic determining device; 60, ground; 70, drilling tool.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
The invention provides a kind of method that horizontal well of tunnel is communicated with straight well, comprising: along continuous straight runs is drilled with horizontal well 20 on the sidewall in tunnel 10; Determine the position of one end away from tunnel 10 of horizontal well 20; Determine that the straight well corresponding with position on ground 60 is drilled with a little 31; Being drilled with one is communicated with straight well and is drilled with a little 31 and the straight well 30 of one end of horizontal well 20, in the stage that is drilled with at least partly that is drilled with straight well 30, utilize the direction that is drilled with of the guiding drilling tool 70 that cooperatively interacts of the magnetic determining device 50 in the magnetic joint 40 being arranged on the drilling tool 70 that is drilled with straight well 30 and the one end that is arranged on horizontal well 20.
The present invention installs magnetic joint 40 being drilled with on the drilling tool 70 of straight well 30, and in one end of horizontal well 20, the magnetic determining device 50 for detection of magnetic joint 40 is installed; Then, according to cooperatively interacting of magnetic determining device 50 and magnetic joint 40, the lower end of straight well 30 is communicated with one end of horizontal well 20.Like this, make horizontal well 20 and straight well 30 there is the higher precision that is communicated with, avoided occurring the situation of straight well 30 deflections.
Preferably, the method that is drilled with straight well 30 comprises: from straight well, be drilled with a little 31 one end to horizontal well 20 and be drilled with a straight well 30 until the distance of one end of the lower end of straight well 30 and horizontal well 20 reaches preset distance; Magnetic joint 40 is installed being drilled with on the drilling tool 70 of straight well 30; Magnetic determining device 50 for detection of magnetic joint 40 is installed in one end of horizontal well 20; Utilize magnetic determining device 50 to continue the lower end of straight well 30 to creep into one end of horizontal well 20, until one end of the lower end of straight well 30 and horizontal well 20 connects.
Preferably, along continuous straight runs is drilled with after horizontal well 20 on the sidewall in tunnel 10, the method that horizontal well is communicated with straight well also comprises: the one end at horizontal well 20 forms a cavity 21, and in the interior selected connectivity points of cavity 21, then determine that the straight well corresponding with connectivity points on ground 60 is drilled with a little 31.Preferably, with reamer, form cavity 21.Like this, can reduce to be communicated with the difficulty of straight well 30 and horizontal well 20.
Preferably, at the connectivity points place of cavity 21, the magnetic determining device 50 for detection of magnetic joint 40 is installed.Like this, can improve the precision that is communicated with of straight well 30 and horizontal well 20.
Preferably, the diameter of cavity 21 is greater than 500mm.
Preferably, the length of cavity 21 is greater than 5000mm.
Preferably, in the net horizontal section 22 of the distance horizontal well 20 of the cavity 21 selected connectivity points in 2000mm place at least.Preferably, in the equal selected connectivity points in 2000mm place at least of two sidewalls of the distance cavity 21 of cavity 21.Like this, can improve the reliability that straight well 30 is communicated with horizontal well 20.
Preferably, form after cavity 21, the method that the horizontal well in tunnel is communicated with diameter also comprises: in cavity 21, divide into measuring apparatus, and the space coordinates of definite connectivity points, and determine that according to the coordinate information of connectivity points straight well is drilled with a little 31.
Preferably, from straight well, be drilled with a little 31 one end to horizontal well 20 and be drilled with a straight well 30 until the distance of one end of the lower end of straight well 30 and horizontal well 20 reaches 30000mm.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. the method that the horizontal well in tunnel is communicated with straight well, is characterized in that, comprising:
Along continuous straight runs is drilled with horizontal well (20) on the sidewall of tunnel (10);
Determine the position of one end away from described tunnel (10) of described horizontal well (20);
Determine that the straight well corresponding with described position on ground (60) is drilled with point (31);
Be drilled with one and be communicated with the straight well (30) that described straight well is drilled with described one end of point (31) and described horizontal well (20), in the stage that is drilled with at least partly that is drilled with described straight well (30), utilize the cooperatively interacting of magnetic determining device (50) be arranged on the magnetic joint (40) on the drilling tool (70) that is drilled with described straight well (30) and be arranged in described one end of described horizontal well (20) to guide the direction that is drilled with of described drilling tool (70).
2. the method that the horizontal well in tunnel according to claim 1 is communicated with straight well, is characterized in that, the method that is drilled with described straight well (30) comprises:
From described straight well, be drilled with point (31) and be drilled with a straight well (30) until the distance of described one end of the lower end of described straight well (30) and described horizontal well (20) reaches preset distance to described one end of described horizontal well (20);
At the upper magnetic joint (40) of installing of the drilling tool (70) that is drilled with described straight well (30);
Magnetic determining device (50) for detection of described magnetic joint (40) is installed in described one end of described horizontal well (20);
Utilize described magnetic determining device (50) to continue the lower end of described straight well (30) to creep into described one end of described horizontal well (20), until described one end of the lower end of described straight well (30) and described horizontal well (20) connects.
3. the method that the horizontal well in tunnel according to claim 1 is communicated with straight well, it is characterized in that, along continuous straight runs is drilled with after described horizontal well (20) on the sidewall of described tunnel (10), the method that described horizontal well is communicated with straight well also comprises: the described one end at described horizontal well (20) forms a cavity (21), and in described cavity (21), select a connectivity points, then determine that the described straight well corresponding with described connectivity points on described ground (60) is drilled with point (31).
4. the method that the horizontal well in tunnel according to claim 3 is communicated with straight well, is characterized in that, at the described connectivity points place of described cavity (21), the magnetic determining device (50) for detection of described magnetic joint (40) is installed.
5. the method that the horizontal well in tunnel according to claim 3 is communicated with straight well, is characterized in that, the diameter of described cavity (21) is greater than 500mm.
6. the method that the horizontal well in tunnel according to claim 3 is communicated with straight well, is characterized in that, the length of described cavity (21) is greater than 5000mm.
7. the method that the horizontal well in tunnel according to claim 3 is communicated with straight well, is characterized in that, at the net horizontal section (22) of horizontal well (20) described in the distance of described cavity (21), at least selectes described connectivity points in 2000mm place.
8. the method that the horizontal well in tunnel according to claim 3 is communicated with straight well, it is characterized in that, form after described cavity (21), the method that the horizontal well in described tunnel is communicated with diameter also comprises: in described cavity (21), divide into measuring apparatus, and the space coordinates of definite described connectivity points, and determine that according to the coordinate information of described connectivity points described straight well is drilled with point (31).
9. the method that the horizontal well in tunnel according to claim 2 is communicated with straight well, it is characterized in that, from described straight well, be drilled with point (31) and be drilled with a described straight well (30) until the distance of described one end of the lower end of described straight well (30) and described horizontal well (20) reaches 30000mm to described one end of described horizontal well (20).
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| CN201310632159.0A CN103615195B (en) | 2013-11-29 | 2013-11-29 | The method that the horizontal well in tunnel is communicated with straight well |
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| CN201310632159.0A CN103615195B (en) | 2013-11-29 | 2013-11-29 | The method that the horizontal well in tunnel is communicated with straight well |
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| CN103615195B CN103615195B (en) | 2015-10-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104481400A (en) * | 2014-12-10 | 2015-04-01 | 中国石油化工股份有限公司 | Three-dimensional (3D) horizontal well borehole track controlling method |
| CN104806166A (en) * | 2015-03-25 | 2015-07-29 | 宁夏煤炭勘察工程公司 | Butt joint method for ground multi-branch horizontal well and underground horizontal drilling far end |
| CN104989366A (en) * | 2015-08-03 | 2015-10-21 | 中国神华能源股份有限公司 | Coal mine well and construction method thereof |
| US10006269B2 (en) | 2013-07-11 | 2018-06-26 | Superior Energy Services, Llc | EAP actuated valve |
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| US20090120691A1 (en) * | 2004-11-30 | 2009-05-14 | General Electric Company | Systems and methods for guiding the drilling of a horizontal well |
| CN101713286A (en) * | 2009-11-04 | 2010-05-26 | 中国石油大学(北京) | Electromagnetic system for detecting distance between adjacent wells while drilling |
| CN101852078A (en) * | 2010-06-08 | 2010-10-06 | 中国石油大学(北京) | Electromagnetic distance measurement guide system for double solenoid set during drilling |
| CN102112699A (en) * | 2008-08-01 | 2011-06-29 | 索尔维化学有限公司 | Traveling undercut solution mining systems and methods |
| CN102392678A (en) * | 2011-10-21 | 2012-03-28 | 河南煤业化工集团研究院有限责任公司 | Gas drainage method combining surface and underground fracturing and permeability improvement |
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| US20090120691A1 (en) * | 2004-11-30 | 2009-05-14 | General Electric Company | Systems and methods for guiding the drilling of a horizontal well |
| CN102112699A (en) * | 2008-08-01 | 2011-06-29 | 索尔维化学有限公司 | Traveling undercut solution mining systems and methods |
| CN101713286A (en) * | 2009-11-04 | 2010-05-26 | 中国石油大学(北京) | Electromagnetic system for detecting distance between adjacent wells while drilling |
| CN101852078A (en) * | 2010-06-08 | 2010-10-06 | 中国石油大学(北京) | Electromagnetic distance measurement guide system for double solenoid set during drilling |
| CN102392678A (en) * | 2011-10-21 | 2012-03-28 | 河南煤业化工集团研究院有限责任公司 | Gas drainage method combining surface and underground fracturing and permeability improvement |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10006269B2 (en) | 2013-07-11 | 2018-06-26 | Superior Energy Services, Llc | EAP actuated valve |
| CN104481400A (en) * | 2014-12-10 | 2015-04-01 | 中国石油化工股份有限公司 | Three-dimensional (3D) horizontal well borehole track controlling method |
| CN104481400B (en) * | 2014-12-10 | 2016-08-10 | 中国石油化工股份有限公司 | A kind of three-dimensional horizontal well track control method |
| CN104806166A (en) * | 2015-03-25 | 2015-07-29 | 宁夏煤炭勘察工程公司 | Butt joint method for ground multi-branch horizontal well and underground horizontal drilling far end |
| CN104989366A (en) * | 2015-08-03 | 2015-10-21 | 中国神华能源股份有限公司 | Coal mine well and construction method thereof |
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| CN103615195B (en) | 2015-10-28 |
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