CN214303693U - Hydraulic control type guiding drilling device - Google Patents
Hydraulic control type guiding drilling device Download PDFInfo
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- CN214303693U CN214303693U CN202120292657.5U CN202120292657U CN214303693U CN 214303693 U CN214303693 U CN 214303693U CN 202120292657 U CN202120292657 U CN 202120292657U CN 214303693 U CN214303693 U CN 214303693U
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Abstract
The utility model provides a pilot operated directional drilling device, this drilling device includes: a drilling assembly; a driving bending adjusting component for driving the drilling component to rotate; and the guiding assembly is connected between the drilling assembly and the driving bending adjusting assembly and is used for realizing the change of the drilling track of the drill bit. The utility model discloses in concrete working process, its angular adjustment and action range relatively fixed have guaranteed the certainty of angle, ensure controllable and relatively fixed at the fixed inclination that the drill bit received.
Description
Technical Field
The utility model relates to an oil drilling engineering technical field, concretely relates to pilot operated type directional drilling device.
Background
With the continuous progress of our society, our oil industry is rapidly developed, the demand for oil is more and more, more and more oil reservoirs need to be exploited, the exploitation difficulty is increased, the requirement for exploitation technology is higher and higher, so our research on oil and gas drilling technology is more and more emphasized. The rotary steering drilling technology is a drilling mode of key research in China, meets the technical requirements of modern automation, has obvious technical advantages, can greatly improve the working efficiency of China in the aspect of oil and gas exploitation, and is suitable for various oil reservoir types.
The rotary steering drilling system is the most advanced and efficient petroleum directional drilling tool in the world at present, and can realize the drilling operation and control of three-dimensional complex borehole trajectories under the rotation mode of a drilling tool. The whiplash principle is divided into a push type and a directional type. The pushing type provides the lateral force of the drill bit by utilizing a pushing mode so as to realize guiding, and is greatly influenced by factors such as displacement, hole diameter expansion and the like; the directional type provides a dip angle inconsistent with the axis of the well hole for the drill bit to generate a guiding effect, has strong deflecting capability and is not limited by discharge capacity, well diameter and stratum factors.
However, the angle conversion of the existing rotary steerable drilling system is often uncontrolled or inaccurate.
Disclosure of Invention
In view of this, the utility model provides a pilot operated type steering drilling device to solve the problem among the prior art.
In order to solve the technical problem, the utility model discloses a technical scheme is: a pilot operated steerable drilling apparatus, the drilling apparatus comprising:
a drilling assembly;
a driving bending adjusting component for driving the drilling component to rotate; and
and the guide assembly is connected between the drilling assembly and the driving bending adjusting assembly and is used for realizing the change of the drilling track of the drill bit.
Preferably, the guiding assembly comprises a chute base, and the chute base comprises a cylindrical base and a spherical body integrally arranged with the base.
Preferably, a plurality of vertical rolling chutes are distributed in the sphere in the vertical direction, a horizontal rolling chute is arranged in the horizontal direction of the sphere, the plurality of vertical rolling chutes are distributed coaxially, the horizontal rolling chute is perpendicular to the vertical rolling chute, and the horizontal rolling chute is communicated with the plurality of vertical rolling chutes.
Preferably, the driving bending adjusting assembly comprises a single screw rod, a universal bearing fixedly connected with the single screw rod, a bending adjusting shell outside the universal bearing and a central sleeve.
Preferably, the center of the base is provided with a through hole, the central sleeve is arranged inside the sphere, one end of the central sleeve is connected with the inner ring of the universal bearing, the other end of the central sleeve penetrates through the through hole in the center of the sliding groove base and is fixedly connected with the drilling assembly, and the central through hole of the sliding groove base is in sealing sliding connection with the outer wall of the central sleeve.
Preferably, a circle of central sleeve sliding groove is arranged on the outer side of the central sleeve, and the height of the central sleeve sliding groove is the same as that of the horizontal rolling sliding groove.
Preferably, the inside fixedly connected with hydraulic pressure riser of spout base.
Preferably, the bottom end of the hydraulic lifter is fixed on the base, the telescopic end is hinged with a rotary lantern ring connecting rod, one end of the rotary lantern ring connecting rod is connected with an inner idler wheel, the other end of the rotary lantern ring connecting rod is connected with an outer idler wheel, and the hydraulic lifter is hinged in the middle of the rotary lantern ring connecting rod; the inner roller is arranged in the central sleeve chute in a rolling way; the outer roller is arranged in the horizontal rolling chute and the vertical rolling chute in a rolling manner.
Preferably, the chute base is fixedly connected with a rotating base, and the rotation of the rotating base drives the chute base connected with the rotating base and the hydraulic lifter fixedly connected with the chute base to rotate.
Preferably, the sphere is hollow, and the outer wall of the sphere is fixedly connected with the driving bending adjusting assembly.
The utility model has the advantages and positive effects that: the utility model discloses in concrete working process, its angular adjustment and action range relatively fixed have guaranteed the certainty of angle, ensure controllable and relatively fixed at the fixed inclination that the drill bit received.
Drawings
FIG. 1 is a schematic diagram of a hydraulically controlled steerable drilling unit according to the present invention;
FIG. 2 is a schematic diagram of the arrangement of the horizontal rolling chutes and the vertical rolling chutes of the hydraulic-controlled steerable drilling device according to the present invention;
fig. 3 is a schematic view of a connection structure of an inner roller and an outer roller of the pilot-controlled steering drilling device of the present invention.
Detailed Description
For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.
The utility model provides a pilot operated directional drilling device, this drilling device includes:
a drilling assembly;
a driving bending adjusting component for driving the drilling component to rotate; and
and the guide assembly is connected between the drilling assembly and the driving bending adjusting assembly and is used for realizing the change of the drilling track of the drill bit.
The utility model discloses a drive is transferred curved subassembly and is connected with the subassembly that drills, transfers curved subassembly drive subassembly that drills to rotate by the drive, in addition the utility model discloses in increase a direction subassembly, change the drilling orbit of subassembly that drills through this direction subassembly.
Specifically, in the utility model discloses in, the drive is transferred curved the subassembly and is included a single screw rod 2, universal bearing 3 with single screw rod 2 fixed connection, adjustable curved casing 4 and a central sleeve pipe 12 outside universal bearing 3, single screw rod 2 and universal bearing 3's inner circle fixed connection, the one end of central sleeve pipe 12 is connected in universal bearing 3 inner circle equally, the other end of this central sleeve pipe 12 and the subassembly that creeps in fixed connection, the moment of torsion of single screw rod 2 can transmit universal bearing 3's inner circle, universal bearing 3's inner circle drives central sleeve pipe 12 and the subassembly that creeps in with central sleeve pipe 12 fixed connection and rotates, and adjustable curved casing 4 supports different angle bent angles, universal bearing 3 outside and adjustable curved casing 4 fixed connection, universal bearing 3's inner circle sets up for adjustable curved casing 4 rotation; this part is of conventional construction and will not be described further herein.
In the process of driving the bending adjusting assembly to work, the single screw rod 2 rotates, the torque of the single screw rod 2 is transmitted to the universal bearing 3, the central sleeve 12 connected with the universal bearing 3 and the assembly are driven to rotate together, and the bending adjusting shell 4 is in a static state and cannot rotate together with the universal bearing 3.
Further, the guiding assembly comprises a chute base 10, the chute base 10 comprises a cylindrical base 101 and a sphere 102 integrally arranged with the base 101, the sphere 102 is arranged above the base 101, the sphere 102 is hollow, and the outer part of the sphere 102 and the base 101 are integrally arranged; the outer wall of the sphere 102 is fixedly connected to the inner wall of the adjustable curved casing 4, which may be a threaded connection.
The center of the base 101 is provided with a through hole; the central sleeve 12 is arranged inside the spherical body 102, one end of the central sleeve is connected with the inner ring of the universal bearing 3, the other end of the central sleeve penetrates through a through hole in the center of the sliding groove base 10 and is fixedly connected with the drilling assembly, and the central through hole of the sliding groove base 10 is in sealed sliding connection with the outer wall of the central sleeve 12.
Furthermore, a plurality of vertical rolling chutes 13 are distributed in the sphere 102 in the vertical direction, a horizontal rolling chute 11 is arranged in the horizontal direction of the sphere 102, the plurality of vertical rolling chutes 13 are coaxially distributed, the horizontal rolling chute 11 is perpendicular to the vertical rolling chute 13, and the horizontal rolling chute is communicated with the plurality of vertical rolling chutes 13.
A circle of central sleeve sliding groove 121 is arranged outside the central sleeve 12, and the height of the central sleeve sliding groove 121 is the same as that of the horizontal rolling sliding groove 11.
A hydraulic lifter 6 is fixedly connected inside the chute base 10, specifically, the bottom end of the hydraulic lifter 6 is fixed on the base 101, the telescopic end is hinged with a rotary lantern ring connecting rod 5, one end of the rotary lantern ring connecting rod 5 is connected with an inner idler wheel 15, the other end is connected with an outer idler wheel 14, and the hydraulic lifter 6 is hinged in the middle of the rotary lantern ring connecting rod 5; the inner roller 15 is arranged in the central sleeve chute 121 in a rolling manner; the outer rollers 14 are arranged in the horizontal rolling sliding chute 11 and the vertical rolling sliding chute 13 in a rolling manner.
Specifically, one side of the central sleeve sliding groove 121 close to the rotating lantern ring connecting rod 5 is opened, so that the inner roller 15 is hinged with the rotating lantern ring connecting rod 5 at the opened side, and in the process that the rotating lantern ring connecting rod 5 rotates around the central sleeve 12, the inner roller 15 slides in a circle of central sleeve sliding groove 121 arranged on the outer wall of the central sleeve 12; it should be noted that the outer diameter of the inner roller 15 is larger than the opening width of the central sleeve chute 121, i.e. the inner roller 15 does not separate from the central sleeve chute 121.
Similarly, the horizontal rolling chute 11 and the vertical rolling chute 13 are provided with openings on the opposite sides of the central sleeve 12, the outer diameter of the outer roller 14 is larger than the width of the opening, and the outer roller 14 cannot be separated from the horizontal rolling chute 11 and the vertical rolling chute 13.
Further, the chute base 10 is fixedly connected with a rotating base 7, the rotation of the rotating base 7 drives the chute base 10 connected with the rotating base and the hydraulic lifter 6 fixedly connected with the chute base 10 to rotate, and in the process of rotating the chute base 10, the rotating base rotates around the central sleeve 12.
In the specific working process, the torque of the single screw rod 2 can be transmitted to the universal bearing 3 to drive the universal bearing 3 to rotate, the universal bearing 3 drives the central sleeve 12 and the drilling assembly fixedly connected with the central sleeve 12 to rotate, and in the rotating process of the central sleeve 12, the sliding groove base 10, the rotating base 7 connected with the sliding groove base 10 and the adjustable bent shell 4 are fixed.
When the rotation track of the drilling assembly needs to be changed:
firstly, driving a hydraulic lifter 6 to lift a rotary lantern ring connecting rod 5 to a horizontal rolling chute 11;
then, the rotating base 7 is driven to rotate, in the rotating process, the sliding chute base 10 and the hydraulic lifter 6 fixedly connected with the sliding chute base 10 are driven to rotate together, the outer roller 14 of the rotating lantern ring connecting rod 5 rotates along the horizontal rolling sliding chute 11, at the moment, the inner roller 15 slides correspondingly in the central sleeve sliding chute 121, and when the outer roller 14 rotates to the target vertical rolling sliding chute 12, the rotation is stopped;
next, the hydraulic lifter 6 is driven to ascend and descend, in the process, the inner roller 15 is limited in the central sleeve sliding groove 121 in the vertical direction and cannot ascend and descend, the outer roller 14 slides along the vertical rolling sliding groove 12 in the target vertical rolling sliding groove 12, and due to the fact that the length of the rotating sleeve ring connecting rod 5 is fixed, the up-and-down movement of the rotating sleeve ring connecting rod 5 can change the horizontal distance of the central shaft tube 12 connected with the rotating sleeve ring connecting rod, the direction of the central shaft tube 12 is changed, the bending of the adjustable bent shell 4 is caused, and then the direction of the drilling assembly is changed.
If the deflection direction of the drilling assembly needs to be changed further, the hydraulic lifter 6 needs to be lifted to the central horizontal rolling chute 11, the rotating base 7 is rotated to the proper vertical rolling chute opening 12 and then stopped, the height of the hydraulic lifter 6 is lifted properly, and the operation is repeated.
After the reversing arrangement and the replacement, the universal bearing 3 is biased towards a fixed direction, and a fixed inclination angle in the direction is always provided for the drilling assembly, so that a guide drilling mode of full rotation is realized.
Further, the drilling assembly includes a drill bit 9 and a drive shaft assembly 8 connected to the drill bit 9, and the central sleeve 12 is connected to the drill bit 9 through the drive shaft assembly 8, thereby rotating the drill bit 9 with the rotation of the central sleeve 12.
The utility model discloses in concrete working process, its angular adjustment and action range relatively fixed have guaranteed the certainty of angle, ensure controllable and relatively fixed at the fixed inclination that the drill bit received.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (10)
1. A pilot operated steerable drilling apparatus, comprising: the drilling device comprises:
a drilling assembly;
a driving bending adjusting component for driving the drilling component to rotate; and
and the guide assembly is connected between the drilling assembly and the driving bending adjusting assembly and is used for realizing the change of the drilling track of the drill bit.
2. The pilot operated steerable drilling apparatus of claim 1, wherein: the guide assembly comprises a chute base, and the chute base comprises a cylindrical base and a spherical body integrally arranged with the base.
3. The pilot operated steerable drilling apparatus of claim 2, wherein: a plurality of vertical rolling sliding grooves are distributed in the sphere in the vertical direction, a horizontal rolling sliding groove is formed in the horizontal direction of the sphere, the vertical rolling sliding grooves are distributed coaxially, the horizontal rolling sliding grooves are perpendicular to the vertical rolling sliding grooves, and the horizontal rolling sliding grooves are communicated with the vertical rolling sliding grooves.
4. The pilot operated steerable drilling apparatus of claim 3, wherein: the driving bending adjusting assembly comprises a single screw, a universal bearing fixedly connected with the single screw, a bending adjusting shell outside the universal bearing and a central sleeve.
5. The pilot operated steerable drilling apparatus of claim 4, wherein: the center of the base is provided with a through hole, the center sleeve is arranged inside the sphere, one end of the center sleeve is connected with the inner ring of the universal bearing, the other end of the center sleeve penetrates through the through hole in the center of the sliding groove base and is fixedly connected with the drilling assembly, and the center through hole of the sliding groove base is in sealed sliding connection with the outer wall of the center sleeve.
6. The pilot operated steerable drilling apparatus of claim 5, wherein: the outer side of the central sleeve is provided with a circle of central sleeve sliding groove, and the height of the central sleeve sliding groove is the same as that of the horizontal rolling sliding groove.
7. The pilot operated steerable drilling apparatus of claim 6, wherein: the inside fixedly connected with hydraulic pressure riser of spout base.
8. The pilot operated steerable drilling apparatus of claim 7, wherein: the bottom end of the hydraulic lifter is fixed on the base, the telescopic end is hinged with a rotary lantern ring connecting rod, one end of the rotary lantern ring connecting rod is connected with an inner idler wheel, the other end of the rotary lantern ring connecting rod is connected with an outer idler wheel, and the hydraulic lifter is hinged in the middle of the rotary lantern ring connecting rod; the inner roller is arranged in the central sleeve chute in a rolling way; the outer roller is arranged in the horizontal rolling chute and the vertical rolling chute in a rolling manner.
9. The pilot operated steerable drilling apparatus of claim 8, wherein: the sliding groove base is fixedly connected with a rotating base, and the rotation of the rotating base drives the sliding groove base connected with the rotating base and the hydraulic lifter fixedly connected with the sliding groove base to rotate.
10. The pilot operated steerable drilling apparatus of claim 9, wherein: the sphere is hollow, and the outer wall of the sphere is fixedly connected with the driving bending adjusting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120292657.5U CN214303693U (en) | 2021-02-02 | 2021-02-02 | Hydraulic control type guiding drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120292657.5U CN214303693U (en) | 2021-02-02 | 2021-02-02 | Hydraulic control type guiding drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214303693U true CN214303693U (en) | 2021-09-28 |
Family
ID=77832606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120292657.5U Active CN214303693U (en) | 2021-02-02 | 2021-02-02 | Hydraulic control type guiding drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214303693U (en) |
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2021
- 2021-02-02 CN CN202120292657.5U patent/CN214303693U/en active Active
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