CN209385079U - A kind of water-based drilling device suitable for shale gas exploitation - Google Patents
A kind of water-based drilling device suitable for shale gas exploitation Download PDFInfo
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- CN209385079U CN209385079U CN201822185752.6U CN201822185752U CN209385079U CN 209385079 U CN209385079 U CN 209385079U CN 201822185752 U CN201822185752 U CN 201822185752U CN 209385079 U CN209385079 U CN 209385079U
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- drilling rod
- drill bit
- shale gas
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- drilling
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Abstract
The utility model discloses a kind of water-based drilling devices suitable for shale gas exploitation, including drilling rod, the external helicoid of drilling rod is wound with helical tooth, the interior lower end of drilling rod is equipped with link slot, and the lower end of drilling rod is fixedly connected with connection ring by link slot, connection ring is fixedly connected on the lower end of drill bit, the inside of drill bit and the inside of drilling rod are equipped with hollow tube, the outside of hollow tube, which is located to run through in drill bit surrounding and the external surrounding of drilling rod, several air holes, the beneficial effects of the utility model are: being designed by air holes several on drilling rod and drill bit, and the design that is connected is connected with hollow tube for several air holes, and hollow tube upper end is circumscribed with catheter design, to when drilling rod carries out drilling exploitation to shale gas, it can be by adding asepwirator pump in the conduit other end, it is unconventional natural to make to generate in drilling rod boring procedure Gas is effectively absorbed, so that it is more practical to improve resource utilization.
Description
Technical field
The utility model relates to a kind of shale gas drilling rig, specially a kind of water-based drilling suitable for shale gas exploitation
Device belongs to shale gas development technique field.
Background technique
Shale gas refers to the Unconventional gas preserved in series of rocks based on preservation Yu Yifu organic shale, is continuous life
At biochemical genesis air and heat origin cause of formation gas or both mixing, can be present in intrinsic fracture and hole with free state, and page
Rock gas first passes through drilling rod more and drills in shale gas in daily exploitation, then using quarrying apparatus in shale gas very
Rule natural gas is exploited, and drilling rod is in shale gas boring procedure, and some Unconventional gas are easy in drilling rod boring procedure
In, it is leaked on ground by drilling, to result in waste of resources, lacks effective collection measure, there is improvement.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of water-based drilling device suitable for shale gas exploitation
The problem of proposing in background technique passes through air holes several on drilling rod and drill bit design and several air holes and mesoporous
The connected design of pipe conducting and hollow tube upper end are circumscribed with catheter design, thus when drilling rod carries out drilling exploitation to shale gas,
It can be by adding asepwirator pump in the conduit other end, so that it is effective to carry out the Unconventional gas generated in drilling rod boring procedure
It absorbs, so that it is more practical to improve resource utilization.
To achieve the above object, the utility model provides the following technical solutions: a kind of suitable for the water base of shale gas exploitation
Drilling rig, including drilling rod, the external helicoid of the drilling rod are wound with helical tooth, and the interior lower end of the drilling rod is equipped with connection
Slot, and the lower end of the drilling rod is fixedly connected with connection ring by link slot, the connection ring is fixedly connected on the lower end of drill bit,
The inside of the drill bit and the inside of drilling rod are equipped with hollow tube, and the outside of the hollow tube is located at drill bit surrounding and drilling rod
External surrounding on through there is several air holes, the upper end of the drilling rod is equipped with conduit, in the conduit lower end and drilling rod inside
It is interconnected between the pipe of hole.
Preferably, the inside of the air hole is located at the inside of drilling rod and the inner wall of drill bit is equipped with filter screen.
Preferably, the helical tooth tooth height and tooth pitch are sequentially reduced in the outside of drilling rod under.
Preferably, through there is screw hole, the screw hole is similarly disposed on the lower end side of drilling rod for the side of the connection ring,
Screw hole progress screw thread is sequentially passed through by mounting screw between the drilling rod and link slot to be connected.
Preferably, the outside of the link slot is nested with seal washer, and the diameter of the seal washer is greater than the straight of drilling rod
Diameter.
Preferably, several precession teeth, the precession tooth and drill bit is distributed with using whole casting in the exterior annular of the drill bit
It makes.
Compared with prior art, the utility model has the beneficial effects that passing through air holes several on drilling rod and drill bit
Connected design is connected with hollow tube for design and several air holes and hollow tube upper end is circumscribed with catheter design, thus boring
It, can be by adding asepwirator pump in the conduit other end, to make in drilling rod boring procedure when bar carries out drilling exploitation to shale gas
The Unconventional gas of generation is effectively absorbed, so that it is more practical to improve resource utilization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the drill bit bottom substance schematic diagram of the utility model；
Fig. 3 is the drill bit structure schematic diagram of the utility model；
Fig. 4 is the jackrod structure sectional view of the utility model；
Fig. 5 is the utility model entirety main sectional view；
Fig. 6 is the utility model air hole schematic diagram of internal structure.
In figure: 1, drilling rod；2, helical tooth；3, link slot；4, connection ring；5, mounting screw；6, screw hole；7, drill bit；8, thoroughly
Stomata；9, hollow tube；10, filter screen；11, seal washer；12, conduit；13, precession tooth.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of water-based drilling suitable for shale gas exploitation
Device, including drilling rod 1, the external helicoid of drilling rod 1 are wound with helical tooth 2, and the interior lower end of drilling rod 1 is equipped with link slot 3, and drilling rod
1 lower end is fixedly connected with connection ring 4 by link slot 3, and connection ring 4 is fixedly connected on the lower end of drill bit 7, the inside of drill bit 7
It is equipped with hollow tube 9 with the inside of drilling rod 1, the outside of hollow tube 9 is located in 7 surrounding of drill bit and the external surrounding of drilling rod 1
Through there is several air holes 8, the upper end of drilling rod 1 is equipped with conduit 12, between 1 interior mesopores pipe 9 of 12 lower end of conduit and drilling rod mutually
Connection.
The inside of air hole 8 is located at the inside of drilling rod 1 and the inner wall of drill bit 7 is equipped with filter screen 10, filter screen 10
Setting, can effectively completely cut off the rubble that drilling rod 1 generates in boring procedure, soil etc., prevent dust soil by filter screen into
Enter into hollow tube 9,2 tooth height of helical tooth and tooth pitch are sequentially reduced in the outside of drilling rod 1 under, are facilitated and are screwed in drilling rod 1
Into shale gas ground, the side of connection ring 4 is through there is screw hole 6, and screw hole 6 is similarly disposed on the lower end side of drilling rod 1, drilling rod
Screw hole 6 sequentially passed through by mounting screw 5 between 1 and link slot 3 carry out screw thread and be connected, it is convenient by mounting screw 5 to will
Drill bit 7 is fixed together with drilling rod 1, and the outside of link slot 3 is nested with seal washer 11, and the diameter of seal washer 11 is greater than
The diameter of drilling rod 1, enhances connection sealing energy between drill bit 7 and drilling rod 1, and several precession teeth are distributed in the exterior annular of drill bit 7
13, precession tooth 13 with drill bit 7 using being integrally cast, stablize durable by performance.
Specifically, first the connection ring 4 of drill bit 7 can be inserted into 1 lower end link slot 3 of drilling rod, then pass through mounting screw 5
It will pass through installation screw 6, so that by being sealedly connected between drilling rod 1 and drill bit 7 then suction will be connected in 12 one end of conduit
Air pump, then when drilling rod 1 by drill bit 7 be screwed into shale gas geological stratification when, it is some generated during drilling precession it is non-
Conventional gas is effectively entered in hollow tube 9 by air hole 8, so that absorption stores under air-breathing pumping action, and
Filter screen 10 in air hole 8 effectively avoids the sundries such as soil rubble from entering in hollow tube 9 by air hole 8, simple real
With.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of water-based drilling device suitable for shale gas exploitation, including drilling rod (1), which is characterized in that the drilling rod (1)
External helicoid is wound with helical tooth (2), and the interior lower end of the drilling rod (1) is equipped with link slot (3), and under the drilling rod (1)
End is fixedly connected with connection ring (4) by link slot (3), and the connection ring (4) is fixedly connected on the lower end of drill bit (7), described
The inside of drill bit (7) and the inside of drilling rod (1) are equipped with hollow tube (9), and the outside of the hollow tube (9) is located at drill bit
(7) through having several air holes (8) in surrounding and the external surrounding of drilling rod (1), the upper end of the drilling rod (1) is equipped with conduit
(12), it is interconnected between conduit (12) lower end and drilling rod (1) interior mesopores pipe (9).
2. a kind of water-based drilling device suitable for shale gas exploitation according to claim 1, it is characterised in that: described
The inside of stomata (8) is located at the inside of drilling rod (1) and the inner wall of drill bit (7) is equipped with filter screen (10).
3. a kind of water-based drilling device suitable for shale gas exploitation according to claim 1, it is characterised in that: the spiral shell
Rotation tooth (2) tooth height and tooth pitch are sequentially reduced in the outside of drilling rod (1) under.
4. a kind of water-based drilling device suitable for shale gas exploitation according to claim 1, it is characterised in that: the company
The side of ring (4) is connect through having screw hole (6), the screw hole (6) is similarly disposed on the lower end side of drilling rod (1), the drilling rod
(1) screw hole (6) progress screw thread is sequentially passed through by mounting screw (5) between link slot (3) to be connected.
5. a kind of water-based drilling device suitable for shale gas exploitation according to claim 1, which is characterized in that the company
The outside of access slot (3) is nested with seal washer (11), and the diameter of the seal washer (11) is greater than the diameter of drilling rod (1).
6. a kind of water-based drilling device suitable for shale gas exploitation according to claim 1, it is characterised in that: the brill
Several precession teeth (13) are distributed in the exterior annular of head (7), and the precession tooth (13) uses with drill bit (7) and is integrally cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185752.6U CN209385079U (en) | 2018-12-20 | 2018-12-20 | A kind of water-based drilling device suitable for shale gas exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185752.6U CN209385079U (en) | 2018-12-20 | 2018-12-20 | A kind of water-based drilling device suitable for shale gas exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385079U true CN209385079U (en) | 2019-09-13 |
Family
ID=67873063
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822185752.6U Active CN209385079U (en) | 2018-12-20 | 2018-12-20 | A kind of water-based drilling device suitable for shale gas exploitation |
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| CN (1) | CN209385079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352202A (en) * | 2021-12-17 | 2022-04-15 | 贵州大学 | Microwave and high-pressure hot water rock breaking and drilling device |
-
2018
- 2018-12-20 CN CN201822185752.6U patent/CN209385079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352202A (en) * | 2021-12-17 | 2022-04-15 | 贵州大学 | Microwave and high-pressure hot water rock breaking and drilling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220616 Address after: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: SINOPEC CHONGQING FULING SHALE GAS EXPLORATION AND DEVELOPMENT Co.,Ltd. Address before: 408000 No. 6 Hefeng Avenue, Fuling District, Chongqing Patentee before: SINOPEC CHONGQING FULING SHALE GAS EXPLORATION AND DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |