CN114016913A - Directional guide nipple offset adjusting device structure of rotary guide drilling tool - Google Patents
Directional guide nipple offset adjusting device structure of rotary guide drilling tool Download PDFInfo
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- CN114016913A CN114016913A CN202111283916.9A CN202111283916A CN114016913A CN 114016913 A CN114016913 A CN 114016913A CN 202111283916 A CN202111283916 A CN 202111283916A CN 114016913 A CN114016913 A CN 114016913A
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- drilling tool
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- 238000005553 drilling Methods 0.000 title claims abstract description 102
- 210000002445 nipple Anatomy 0.000 title claims abstract description 15
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B45/00—Measuring the drilling time or rate of penetration
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a directional guide nipple offset adjusting device structure of a rotary guide drilling tool, which comprises a drilling rod, wherein the tail end of the drilling rod is connected with a rotary guide drilling tool body, a measuring and controlling module, a steering motor, an offset adjusting mechanism and a universal device are sequentially arranged in the rotary guide drilling tool body from top to bottom, and the tail end of the universal device is connected with a drill bit through a mandrel. When the rotary steering drilling tool body drills in a guiding mode, a first offset adjusting motor and a second offset adjusting motor of the offset adjusting mechanism are started in a matching mode, and an included angle is formed between a central shaft of the drill bit and a central shaft of the rotary steering drilling tool body. The rotary steering drilling tool body detects the self rotating speed through a rotating speed sensor in the measuring and controlling module and controls the steering motor to rotate anticlockwise at the same speed through the controlling module in the measuring and controlling module. The offset adjusting device eliminates the reaming effect of the existing directional rotary steering tool during drilling, improves the drilling efficiency and has extremely high popularization value.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to a structure of a directional guide short section offset adjusting device of a rotary guide drilling tool.
Background
In the directional well operation in the oil exploitation process, in order to control the drilling direction of a drill bit, the directional drilling operations such as increasing the inclination, reducing the inclination, twisting the azimuth and the like need to be carried out in the construction according to the well track design scheme. Typically, guided drilling operations are performed using MWD in conjunction with a drilling motor. In the process of the guided drilling operation, the whole drilling tool cannot rotate, and the transmission mechanism and the well wall mostly have static friction, so that the pressure of the drill bit is often removed, the drilling speed is seriously influenced, and the drilling cost is increased. And the drilling tool is stuck more seriously, the whole drilling tool cannot be taken out, the well is scrapped, and the economic loss is serious.
Against this background, rotary steerable drilling systems have been developed, which essentially comprise a drilling machine arranged above the oil well and a rotary steerable drilling tool arranged below for drilling, the drilling machine being in driving connection with a drill bit shaft on the rotary steerable drilling tool via a flexible drive shaft, so that a torque is transmitted to the drill bit shaft, which drives the drill bit to drill. The tool controls the direction of movement of the drill bit during drilling.
Technical personnel in the field of rotary steerable drilling have designed various mechanical structures and control schemes to allow the drill bit to achieve the required motion trajectory. Typically, there are three ways, namely, push-on rotary steerable tools, point-on rotary steerable tools, and compound rotary steerable tools. The directional rotary steering tool and the combined rotary steering tool have reaming motions in the rotary drilling process of the directional rotary steering tool, and are not beneficial to high-speed work.
Disclosure of Invention
The invention aims to provide a structure of a directional guide short section offset adjusting device of a rotary guide drilling tool, which aims to solve the problem that a directional rotary guide tool and a combined rotary guide tool in the background technology have reaming motion in the rotary drilling working process and are not beneficial to high-speed working.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a directional direction nipple joint biasing adjusting device structure of rotary steering drilling tool, includes the drilling rod, drilling rod end-to-end connection has the rotary steering drilling tool body, inside measurement and control module, steering motor, biasing guiding mechanism and the universal device of having set gradually from top to bottom of rotary steering drilling tool body, the universal device end is connected with the drill bit through the dabber.
Further, the mandrel inside the offset adjusting mechanism is divided into 3 sections, namely, a first offset mechanism section, a second offset mechanism section and a third offset mechanism section, the outer sides of the first offset mechanism section and the second offset mechanism section are respectively connected with a first offset adjusting motor and a second offset adjusting motor through connecting pieces, the driving end of the first offset adjusting motor is connected with a first pinion, and the driving end of the second offset adjusting motor is connected with a second pinion. The first bias adjusting motor and the second bias adjusting motor are both permanent magnet synchronous motors.
Furthermore, the outer sides of the first pinion and the second pinion are respectively engaged with a gearwheel, and the gearwheels are respectively arranged at the joint of the first section of the biasing mechanism and the second section of the biasing mechanism and the joint of the second section of the biasing mechanism and the third section of the biasing mechanism.
Further, the internal mandrel of the offset adjustment mechanism is connected to the driving end of the steering motor.
Furthermore, drill collars are arranged on the outer sides of the rotary steering drilling tool body and the universal device, and the drill collars on the outer sides of the rotary steering drilling tool body and the universal device are independent drill collars or integrated drill collars.
Further, the drill rod is matched with a drill collar on the outer side of the rotary guiding drilling tool body to connect the rotary guiding drilling tool body to the driving end of the drilling machine.
Further, the universal device is coaxially connected with the rotary steering drilling tool body.
Further, the spindle inside the universal device is directly connected with the drill bit through threads.
Further, the drill bit includes, but is not limited to, a gear-type bit, a PDC diamond bit, or an eccentric bit.
The drill collar is made of high-strength alloy steel, the surface of the drill collar is covered with a wear-resistant coating, the universal device is made of high-strength alloy steel, and the surface of the universal device is subjected to wear-resistant treatment.
Further, the measurement and control module includes a rotational speed sensor and a control module.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotary steering drilling tool bias adjusting mechanism is reasonable in design, simple in structure and high in popularization value.
2. When the rotary steering drilling tool body drills in a rotary mode, the first bias adjusting motor and the second bias adjusting motor of the bias adjusting mechanism are started in a matched mode, the first section of the bias adjusting mechanism, the second section of the bias adjusting mechanism and the third section of the bias adjusting mechanism are adjusted to be overlapped with the central axis of the drill collar, namely the central axis of the drill bit is overlapped with the central axis of the drill collar, the drill rod rotates clockwise, and therefore rotary drilling is completed.
3. When the rotary steering drilling tool body drills in a guiding mode, a first offset adjusting motor and a second offset adjusting motor of the offset adjusting mechanism are started in a matching mode, and an included angle is formed between a central shaft of the drill bit and a central shaft of the rotary steering drilling tool body. The rotary steering drilling tool body detects the self rotating speed through a rotating speed sensor in the measuring and controlling module and controls the steering motor to rotate anticlockwise at the same speed through the controlling module in the measuring and controlling module. At the moment, the drill bit rotates clockwise around the central axis of the drill bit, and the central axis of the drill bit is fixed relative to the ground direction, so that the guided drilling is completed.
4. By using the rotary steering drilling tool body underground, the bit pressure and the torque of the drill collar or the drill rod can be transmitted to the drill bit no matter in a rotary drilling state or a directional drilling state, so that the rotating speed is accelerated, the drilling cost is reduced, and the drilling jamming probability is reduced.
5. Due to the use of the offset adjusting mechanism, the reaming effect of the existing directional rotary guiding tool during drilling is eliminated during rotary drilling, and the drilling efficiency is improved.
Drawings
FIG. 1 is a schematic view of a mounting structure proposed in one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an offset adjustment apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an open bias configuration proposed in one embodiment of the present invention;
fig. 4 is a schematic structural diagram of an opening bias adjustment device according to an embodiment of the present invention;
FIG. 5 is a schematic view of the state of motion of the drill guide operation proposed in one embodiment of the present invention;
the labels in the figure are: 1-a drill rod; 2-rotating and guiding the drilling tool body; 3-a drill bit; 4-a measurement and control module; 5-a steering motor; 6-an offset adjustment mechanism; 61-a first section of a biasing mechanism; 62-a second section of the biasing mechanism; 63-biasing mechanism third section; 64-a first bias adjustment motor; 65-a first pinion; 66-a second bias adjustment motor; 67-a second pinion; 7-universal device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a directional formula direction nipple joint biasing adjusting device structure of rotary steering drilling tool, includes drilling rod 1, and 1 end-to-end connection of drilling rod has rotary steering drilling tool body 2, and rotary steering drilling tool body 2 is inside from top to bottom has set gradually measurement and control module 4, turns to motor 5, biasing guiding mechanism 6 and universal device 7, and universal device 7 end is connected with drill bit 3 through the dabber.
In the invention, a mandrel in an offset adjusting mechanism 6 is divided into 3 sections, namely, a first offset mechanism section 61, a second offset mechanism section 62 and a third offset mechanism section 63, wherein the outer sides of the first offset mechanism section 61 and the second offset mechanism section 62 are respectively connected with a first offset adjusting motor 64 and a second offset adjusting motor 66 through connecting pieces, the driving end of the first offset adjusting motor 64 is connected with a first pinion 65, and the driving end of the second offset adjusting motor 66 is connected with a second pinion 67.
In the invention, the outer sides of the first pinion 65 and the second pinion 67 are respectively engaged with a gearwheel, and the gearwheels are respectively arranged at the joint of the first section 61 of the biasing mechanism and the second section 62 of the biasing mechanism and the joint of the second section 62 of the biasing mechanism and the third section 63 of the biasing mechanism.
In the invention, the internal mandrel of the offset adjusting mechanism 6 is connected to the driving end of the steering motor 5.
In the invention, drill collars are arranged on the outer sides of the rotary steering drilling tool body 2 and the universal device 7, and the drill collars on the outer sides of the rotary steering drilling tool body 2 and the universal device 7 are independent drill collars or integrated drill collars.
In the invention, the drill rod 1 is matched with a drill collar on the outer side of the rotary steering drilling tool body 2 to connect the rotary steering drilling tool body 2 to the driving end of a drilling machine.
In the invention, the universal device 7 is coaxially connected with the rotary steering drilling tool body 2.
In the invention, the core shaft inside the universal device 7 is directly connected with the drill bit 3 through threads.
In the present invention, the drill bit 3 includes, but is not limited to, a gear type bit, a PDC diamond bit, or an eccentric bit.
In the invention, the drill collar is made of high-strength alloy steel, and the surface of the drill collar is covered with a wear-resistant coating.
In the invention, the universal device 7 is made of high-strength alloy steel, and the surface of the universal device 7 is subjected to wear-resistant treatment.
In the invention, the measuring and controlling module 4 comprises a rotating speed sensor and a controller, the rotating speed sensor is electrically connected with the controller, the rotating speed sensor is used for detecting the rotating speed of the rotary steering drilling tool body 2, and the controller is used for controlling the rotating speed of the steering motor 5.
The working principle is as follows:
fig. 5 shows the movement of the tool guide as seen from the surface. O is1Is the axis of rotation of a drill collar, O2Is the rotating shaft of the drill bit. Omega1Representing the angular velocity, omega, of the drill collar3Indicating the rotational angular velocity, omega, of the drill bit2Indicating the bit rotation axis O2Around O1Angular velocity of revolution.
When the rotary steering tool body 2 drills in a rotating mode, the drill rod 1 rotates clockwise, the offset adjusting mechanism 6 controls the three-section mandrel, namely the center lines of the first section 61 of the offset mechanism, the second section 62 of the offset mechanism and the third section 63 of the offset mechanism coincide with the center line of the drill collar, as shown in fig. 1, at the moment, the center line of the drill bit 3 coincides with the center line of the drill collar.
When the rotary steering drilling tool body 2 drills in a steering mode, the first bias adjusting motor 64 and the second bias adjusting motor 66 of the bias adjusting mechanism 6 stop rotating to fixed positions, as shown in fig. 3, at the moment, the 3-section mandrel of the bias adjusting mechanism, the first section 61 of the bias mechanism, the second section 62 of the bias mechanism and the third section 63 of the bias mechanism are not on the same straight line, so that bias is generated, and an included angle is formed between the central line of the drill bit 3 and the central line of the drill collar. The included angle between the central line of the drill bit 3 and the central line of the drill collar can be controlled by the rotating angle of the first bias adjusting motor 64 and the second bias adjusting motor 66, and can be adjusted within a certain range.
The drill rod 1 rotates clockwise to drive the rotary guide drilling tool body 2 to rotate, and the drill bit 3 rotates along with the rotary guide drilling tool body 2. The rotary steering drilling tool body 2 detects the self rotating speed omega through the rotating speed sensor1The control module 4 controls the steering motor 5 to rotate counterclockwise (ω) at a speed equal to that of the drill rod 1Electric machine＝ω1). The drill bit 3 is now in a moving state, i.e. the drill bit 3 rotates clockwise (ω) about its central axis1＝ω3)，While being relatively static (omega) with respect to the central axis of the drilling tool2＝0)。
The offset adjusting mechanism 6 eliminates the reaming effect generated when the rotary steering tool body 2 is used for rotary drilling, the method accelerates the drilling speed, reduces the drilling cost and further reduces the drilling sticking probability.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a directional formula direction nipple off-set adjusting device structure of rotary steering drilling tool, includes drilling rod (1), its characterized in that: drilling rod (1) end-to-end connection has rotary steering drilling tool body (2), rotary steering drilling tool body (2) inside has set gradually from top to bottom and has measured and control module (4), steering motor (5), biasing guiding mechanism (6) and universal device (7), universal device (7) end is connected with drill bit (3) through the dabber.
2. The structure of the directional guide nipple offset adjustment device of the rotary guide drilling tool as claimed in claim 1, wherein: the mandrel in the bias adjusting mechanism (6) is divided into 3 sections, namely a first section (61) of the bias mechanism, a second section (62) of the bias mechanism and a third section (63) of the bias mechanism, the outer sides of the first section (61) of the bias mechanism and the second section (62) of the bias mechanism are respectively connected with a first bias adjusting motor (64) and a second bias adjusting motor (66) through connecting pieces, the driving end of the first bias adjusting motor (64) is connected with a first pinion (65), and the driving end of the second bias adjusting motor (66) is connected with a second pinion (67).
3. The structure of the directional guide nipple offset adjustment device of the rotary guide drilling tool as claimed in claim 2, wherein: the outer sides of the first small gear (65) and the second small gear (67) are respectively meshed with a large gear, and the large gears are respectively arranged at the joint of the first biasing mechanism section (61) and the second biasing mechanism section (62) and the joint of the second biasing mechanism section (62) and the third biasing mechanism section (63).
4. The structure of the directional guide nipple offset adjustment device of the rotary guide drilling tool as claimed in claim 2, wherein: and the inner mandrel of the offset adjusting mechanism (6) is connected to the driving end of the steering motor (5).
5. The structure of the directional guide nipple offset adjustment device of the rotary guide drilling tool as claimed in claim 1, wherein: drill collars are arranged on the outer sides of the rotary steering drilling tool body (2) and the universal device (7), and the drill collars on the outer sides of the rotary steering drilling tool body (2) and the universal device (7) are independent drill collars or integrated drill collars.
6. The structure of the directional guide nipple offset adjustment device of the rotary guide drilling tool as claimed in claim 5, wherein: the drill rod (1) is matched with a drill collar on the outer side of the rotary guide drilling tool body (2) to connect the rotary guide drilling tool body (2) to the driving end of the drilling machine.
7. The structure of the directional guide nipple offset adjustment device of the rotary guide drilling tool as claimed in claim 5, wherein: the universal device (7) is coaxially connected with the rotary steering drilling tool body (2).
8. The structure of the directional guide nipple offset adjustment device of the rotary guide drilling tool as claimed in claim 1, wherein: and a mandrel in the universal device (7) is directly connected with the drill bit (3) through threads.
9. The structure of the directional guide nipple offset adjustment device of the rotary guide drilling tool as claimed in claim 7, wherein: the drill bit (3) includes, but is not limited to, a tooth wheel bit, a PDC diamond bit, or an eccentric bit.
10. The structure of the directional guide nipple offset adjustment device of the rotary guide drilling tool as claimed in claim 5, wherein: the drill collar is composed of high-strength alloy steel, a wear-resistant coating covers the surface of the drill collar, the universal device (7) is composed of the high-strength alloy steel, and the surface of the universal device (7) is subjected to wear-resistant treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111283916.9A CN114016913A (en) | 2021-11-01 | 2021-11-01 | Directional guide nipple offset adjusting device structure of rotary guide drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111283916.9A CN114016913A (en) | 2021-11-01 | 2021-11-01 | Directional guide nipple offset adjusting device structure of rotary guide drilling tool |
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| Publication Number | Publication Date |
|---|---|
| CN114016913A true CN114016913A (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111283916.9A Pending CN114016913A (en) | 2021-11-01 | 2021-11-01 | Directional guide nipple offset adjusting device structure of rotary guide drilling tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115726688A (en) * | 2022-11-29 | 2023-03-03 | 北京探矿工程研究所 | Drilling track retaining device for flexible drilling tool |
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| US20180328111A1 (en) * | 2015-11-18 | 2018-11-15 | Tony Ross | Bearing Section for a Positive Displacement Mud Motor for Use in Directional Earth Drilling |
| US20190376344A1 (en) * | 2017-02-28 | 2019-12-12 | General Electric Company | Hybrid rotary steerable system and method |
| CN113216844A (en) * | 2021-06-23 | 2021-08-06 | 西安石油大学 | Guide nipple of rotary guide drilling tool |
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2021
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| AU6318099A (en) * | 1999-12-07 | 2001-06-14 | Schlumberger Holdings Limited | Actively controlled rotary steerable system and method for drilling wells |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115726688A (en) * | 2022-11-29 | 2023-03-03 | 北京探矿工程研究所 | Drilling track retaining device for flexible drilling tool |
| CN115726688B (en) * | 2022-11-29 | 2023-05-12 | 北京探矿工程研究所 | Drilling track holding device for flexible drilling tool |
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