CN112049567A - Well drilling speed-up instrument suitable for screw rod drilling tool - Google Patents
Well drilling speed-up instrument suitable for screw rod drilling tool Download PDFInfo
- Publication number
- CN112049567A CN112049567A CN202011124665.5A CN202011124665A CN112049567A CN 112049567 A CN112049567 A CN 112049567A CN 202011124665 A CN202011124665 A CN 202011124665A CN 112049567 A CN112049567 A CN 112049567A
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- cylinder
- drainage joint
- drilling
- tool
- outer cylinder
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- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 238000003466 welding Methods 0.000 claims abstract description 4
- 230000001133 acceleration Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000036346 tooth eruption Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
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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
- E21B12/00—Accessories for drilling tools
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a well drilling speed-increasing tool suitable for a screw drill, which comprises a drainage joint, a speed changer, a heavy cylinder and an outer cylinder, wherein the upper end of the drainage joint is connected with the screw drill, the outer cylinder is connected with the outer side of the lower end of the drainage joint, the upper end of the speed changer is connected with the middle part of the lower end of the drainage joint, the heavy cylinder is connected with the lower end of the speed changer, and a drainage joint channel serving as a flow guide hole is arranged around the drainage joint. All connections adopt one or more of threads, welding, bonding and bolt connection. The swing amplitude of the drill bit can be prevented or reduced in the process of drilling the well by the screw drill, so that the drilling efficiency of the screw drill is improved, and the service life of the drill bit is prolonged.
Description
Technical Field
The invention relates to the field of petroleum drilling, in particular to a drilling speed-up tool suitable for a screw drilling tool.
Background
With the development of oil drilling technology, high efficiency drilling technology has become an important aspect of oil drilling. When the screw drilling tool is used for drilling, the drill bit is subjected to complex unbalanced force, so that the movement direction and the cutting surface of the cutting teeth of the drill bit are constantly changed, the cutting teeth are subjected to irregular alternating load and impact load, the drilling efficiency is seriously influenced, and the service life of the drill bit is shortened.
Disclosure of Invention
The present invention is directed to solve the above problems and to provide a speed increasing tool capable of preventing or reducing the swing amplitude of a drill bit during the drilling process of a screw drill, thereby improving the drilling efficiency of the screw drill and increasing the service life of the drill bit.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a well drilling speed-raising instrument suitable for screw rod drilling tool, includes drainage joint, derailleur, heavy cylinder and urceolus, and the drainage connects the upper end to link to each other with the screw rod drilling tool, and the urceolus links to each other with the drainage joint lower extreme outside, and the derailleur upper end links to each other with drainage joint lower extreme middle part, and the heavy cylinder links to each other with the derailleur lower extreme, and the drainage connects and is equipped with the drainage joint passageway as the water conservancy diversion hole all around.
All connections are made by one or more of, but not limited to, threading, welding, bonding and bolting.
And flow guide holes communicated with the flow guide joint channel are formed in the periphery of the outer barrel.
An inner cylinder is arranged in the outer cylinder, the transmission and the heavy-weight cylinder are positioned in the inner cylinder, an outer cylinder flow passage is formed between the outer cylinder and the inner cylinder, and the outer cylinder flow passage is communicated with the drainage joint channel.
The heavy column body is a solid cylinder made of metal materials, ceramics, composite materials and the like, but is not limited to the materials.
A plurality of couplings or couplers can be added between the drainage joint and the speed changer and between the speed changer and the heavy-weight cylinder.
The invention has the beneficial effects that:
1) the high-speed rotation of the heavy cylinder has larger moment of inertia, can inhibit the external force action which is dozens of times larger than the self weight and keep the direction of the rotating shaft unchanged, and utilizes the characteristic to inhibit the drill bit from swinging in the drilling process of the screw drill.
2) This well drilling speed-raising instrument lug connection in screw rod drilling tool suitable for screw rod drilling tool utilizes the rotatory driving tool rotation of screw rod, need not extra power source, and simple structure is reliable.
3) The low speed rotation of the screw is converted into high speed rotation of the heavy weight cylinder using a transmission.
4) The large-mass cylinder rotates in a closed environment, the friction resistance is low, and the energy loss is small.
Drawings
Fig. 1 is a schematic structural diagram of a drilling acceleration tool suitable for a screw drill according to the present invention.
FIG. 2 is a top view of a flow sub of the present invention for use in a drilling acceleration tool for a progressive cavity drilling tool.
FIG. 3 is a top view of the outer barrel of the drilling acceleration tool for a progressive cavity drill according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figure 1, the drilling speed-up tool suitable for the screw drill comprises a drainage joint 2, a speed changer 4, a heavy cylinder 5 and an outer cylinder 31, wherein the upper end of the drainage joint 2 is connected with the screw drill 1, the outer cylinder 31 is connected with the outer side of the lower end of the drainage joint 2, the upper end of the speed changer 4 is connected with the middle part of the lower end of the drainage joint 2, the heavy cylinder 5 is connected with the lower end of the speed changer 4, and drainage joint channels 21 serving as flow guide holes are formed in the periphery of the drainage joint 2.
All connections adopt one or more of threads, welding, bonding and bolt connection.
And diversion holes 33 communicated with the drainage joint channel 21 are formed in the periphery of the outer cylinder 31. Or an inner cylinder 32 is arranged in the outer cylinder 31, the speed changer 4 and the heavy column 5 are positioned in the inner cylinder 32, an outer cylinder flow passage 33 is formed between the outer cylinder 31 and the inner cylinder 32, and the outer cylinder flow passage 33 is communicated with the drainage joint channel 21.
The heavy column 5 is a solid cylinder made of metal materials, ceramics and composite materials.
Several couplings or couplings can be added between the tapping fitting 2 and the gearbox 4 and between the gearbox 4 and the heavy-weight column 5.
During drilling operations, the mud is rotated by the auger 1 at a speed of approximately 40-70rpm, and the rotational speed and torque are transmitted to the drill bit through the diversion connection 2 and the outer barrel 31. The mud flows down the screw drill 1 into the drainage connection 2 and into the drainage connection channel 21, see fig. 2. The slurry enters the outer cylinder flow passage 33 from the flow guide joint flow passage 21, if the outer cylinder is an integral body, a flow passage can be arranged, referring to fig. 3, the slurry can also be made into two sleeves of an inner cylinder 32 and an outer cylinder 31, the slurry flows through the outer cylinder flow passage 33 in the middle annular space of the two sleeves to enter the drill bit, no slurry enters the inner cylinder, and the inner cylinder is kept as an air chamber 6. The middle part of the lower end of the drainage joint 21 is connected with a speed changer 4 which is a speed increaser, and the rotating speed of the drainage joint 2 can be increased by about 100 times from 40-70rpm to 4000-7000rpm, but not limited to the speed increaser. The lower end of the speed changer 4 is connected with a heavy column body 5 and rotates at a high rotating speed along with the speed changer, so that a larger rotating inertia is generated, and a drill rod is kept stable during drilling operation. Couplings can be added between the tapping fitting 2 and the transmission 4 and between the transmission 4 and the heavy-weight column 5 according to technical requirements. To increase system safety and stability.
In summary, the disclosure of the present invention is not limited to the above-mentioned embodiments, and persons skilled in the art can easily set forth other embodiments within the technical teaching of the present invention, but such embodiments are included in the scope of the present invention.
Claims (6)
1. The utility model provides a well drilling speed-raising instrument suitable for screw rod drilling tool, a serial communication port, including drainage joint (2), derailleur (4), heavy weight cylinder (5) and urceolus (31), drainage joint (2) upper end links to each other with screw rod drilling tool (1), urceolus (31) link to each other with drainage joint (2) lower extreme outside, derailleur (4) upper end links to each other with drainage joint (2) lower extreme middle part, heavy weight cylinder (5) link to each other with derailleur (4) lower extreme, drainage joint (2) are equipped with drainage joint passageway (21) as the water conservancy diversion hole all around.
2. The drilling acceleration tool for the screw drill according to claim 1, wherein all connections are one or more of threads, welding, bonding and bolting.
3. The drilling acceleration tool for the screw drill according to claim 1, characterized in that the outer cylinder (31) is provided with diversion holes around and communicated with the diversion connector channel (21).
4. The well drilling speed-increasing tool suitable for the screw drill is characterized in that an inner cylinder (32) is arranged in the outer cylinder (31), the speed changer (4) and the heavy-weight cylinder (5) are positioned in the inner cylinder (32), an outer cylinder flow passage (33) is formed between the outer cylinder (31) and the inner cylinder (32), and the outer cylinder flow passage (33) is communicated with the drainage joint channel (21).
5. The well drilling speed-increasing tool suitable for the screw rod drilling tool is characterized in that the heavy-weight cylinder (5) is a solid cylinder and is made of metal materials, ceramics and composite materials.
6. Drilling acceleration tool adapted for a screw drill according to claim 1, characterized in, that several couplings or couplings can be added between the flow guiding joint (21) and the transmission (4) and between the transmission (4) and the heavy weight column (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124665.5A CN112049567A (en) | 2020-10-20 | 2020-10-20 | Well drilling speed-up instrument suitable for screw rod drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011124665.5A CN112049567A (en) | 2020-10-20 | 2020-10-20 | Well drilling speed-up instrument suitable for screw rod drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112049567A true CN112049567A (en) | 2020-12-08 |
Family
ID=73605297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011124665.5A Pending CN112049567A (en) | 2020-10-20 | 2020-10-20 | Well drilling speed-up instrument suitable for screw rod drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112049567A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203296733U (en) * | 2013-06-22 | 2013-11-20 | 中国石油集团渤海钻探工程有限公司第三钻井工程分公司 | Drilling tool capable of generating axial impact vibration |
| CN105672883A (en) * | 2014-11-21 | 2016-06-15 | 中石化胜利石油工程有限公司钻井工艺研究院 | Speed-increasing tool and speed-increasing method used for well drilling |
| US20160230462A1 (en) * | 2014-01-30 | 2016-08-11 | Halliburton Energy Services, Inc. | Nutating fluid-mechanical energy converter to power wellbore drilling |
| CN105927145A (en) * | 2016-04-22 | 2016-09-07 | 中石化石油工程机械有限公司研究院 | Electric drilling speed increasing system |
| CN108374636A (en) * | 2018-03-22 | 2018-08-07 | 天津市景宝中泰科技有限公司 | A kind of drilling well double pendulum speed-raising drilling tool |
| CN110761715A (en) * | 2019-12-05 | 2020-02-07 | 金冰兰 | Downhole gas phase space rotating and swinging drilling tool and implementation method |
-
2020
- 2020-10-20 CN CN202011124665.5A patent/CN112049567A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203296733U (en) * | 2013-06-22 | 2013-11-20 | 中国石油集团渤海钻探工程有限公司第三钻井工程分公司 | Drilling tool capable of generating axial impact vibration |
| US20160230462A1 (en) * | 2014-01-30 | 2016-08-11 | Halliburton Energy Services, Inc. | Nutating fluid-mechanical energy converter to power wellbore drilling |
| CN105672883A (en) * | 2014-11-21 | 2016-06-15 | 中石化胜利石油工程有限公司钻井工艺研究院 | Speed-increasing tool and speed-increasing method used for well drilling |
| CN105927145A (en) * | 2016-04-22 | 2016-09-07 | 中石化石油工程机械有限公司研究院 | Electric drilling speed increasing system |
| CN108374636A (en) * | 2018-03-22 | 2018-08-07 | 天津市景宝中泰科技有限公司 | A kind of drilling well double pendulum speed-raising drilling tool |
| CN110761715A (en) * | 2019-12-05 | 2020-02-07 | 金冰兰 | Downhole gas phase space rotating and swinging drilling tool and implementation method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201208 |
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| RJ01 | Rejection of invention patent application after publication |