CN107724961A - A kind of dual-purpose air water tap of reverse circulation for air drilling - Google Patents
A kind of dual-purpose air water tap of reverse circulation for air drilling Download PDFInfo
- Publication number
- CN107724961A CN107724961A CN201711119753.4A CN201711119753A CN107724961A CN 107724961 A CN107724961 A CN 107724961A CN 201711119753 A CN201711119753 A CN 201711119753A CN 107724961 A CN107724961 A CN 107724961A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- housing
- drilling
- air
- water tap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000009792 diffusion process Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 4
- 210000002445 nipple Anatomy 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- 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
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
A kind of dual-purpose air water tap of reverse circulation for air drilling, available for geological core drilling, oil/gas drilling, geothermal drilling etc., air water tap includes the non-rotating mechanism in outside that housing, upper press cover, lower cover and air inlet pipe are formed, the internal rotating mechanism that main shaft, inner tube and tool joint are formed, Liang Ge mechanisms are connected by deep groove ball bearing；Offer radial hole in the middle part of main shaft, annular gap is formed between inner tube and main shaft outside and tool joint；There is screwed hole on housing, and housing and upper press cover and lower cover are linked together using bolt, diffusion groove is arranged on housing central section, and diffusion groove side connects with air inlet pipe, and opposite side connects with the radial hole being opened on main shaft；Pipe plug is arranged on the inlet end of air inlet pipe.The dual-purpose air water tap of the present invention is used for reverse circulation and converted, and has conversion process simple, reliable operation, can adapt to the change of drilling technology method in time, is advantageous to improve safety in drilling efficiency and hole.
Description
Technical field
The present invention relates to a kind of drilling toolses, available for geological core drilling, oil/gas drilling, geothermal drilling etc..
Background technology
Air drilling is both as circulatory mediator using compressed air, and a kind of underbalance as fractured rock energy is crept into again
Technology.Air drilling technology has just been paid close attention to since birth by domestic and international probing circle, and energy is adapted to its drilling efficiency height, stratum
Power is strong, shaft bottom cleaning and cooling condition are good, effectively avoids the generation of the complex situations such as leakage, adapts to drought and water-scarce area construction etc.
Feature, the fields such as hydrology and water well drilling, oil/gas drilling, geothermal drilling, mine exploration have been widely popularized and applied to it.In air drilling
In, air water tap is important drilling toolses, is mainly used in migrate gas medium and transmission moment of torsion.Its structure and service behaviour
Directly affect drilling efficiency.The endless form of air typically has two kinds during drilling well：Direct circulation and reacting cycle mode.Conventional air water
Tap can only adapt to single endless form, and rig is only equipped with a kind of air water tap, but in drilling process, because stratum becomes
Change, accident occur in casing programme change or well, endless form must be changed, it is necessary to change rig, or to air water tap and rig
Main shaft carry out overall replacing, have a strong impact on drilling progress and drilling efficiency.Conventional air water tap structure is complicated, performance list
One, it is difficult to more and more complicated stratum and wellbore structure are adapted to, thus, research and develop a kind of simple in construction, dual-purpose gas of reverse circulation
Tap, drilling well non-cutting time can be shortened, reduce the supporting of drilling toolses, adapted to stratum and the wellbore structure of complexity, improve and bore
Enter efficiency and economic benefit.
The content of the invention
The unicity and limitation used for existing air water tap in drilling process, it is an object of the invention to for
The deficiency of existing air water tap structure, there is provided it is a kind of to can adapt to the dual-purpose air water tap of reverse circulation, change reverse circulation
It is more convenient, drilling well needs are adapted to, improve drilling efficiency.
In order to achieve the above object, the present invention adopts the following technical scheme that：A kind of reverse circulation for air drilling
Dual-purpose air water tap, it is characterised in that：Including main shaft, upper press cover, housing, air inlet pipe, lower cover, inner tube, tool joint, elasticity
Back-up ring, bolt, deep groove ball bearing, diffusion groove and pipe plug, wherein housing, upper press cover, lower cover and air inlet pipe form outside non-rotation
Rotation mechanism, main shaft, inner tube and tool joint form internal rotating mechanism, and outside non-rotating mechanism and internal rotating mechanism pass through depth
Ditch ball bearing connects；
Offered in the middle part of the main shaft two rows staggeredly, the radial hole of annular distribution, main shaft connected with tool joint by screw thread
Connect to form an entirety；Said inner tube is placed in main shaft and tool joint, inner tube and main shaft grafting, and splicing position is provided with O
Annular gap is formed between type sealing ring, inner tube and main shaft outside and tool joint；The housing is sleeved on main shaft
On, deep groove ball bearing is installed between housing and main shaft, there is screwed hole on housing, and using bolt by housing and upper press cover and
Lower cover is linked together, and the upper surface of upper press cover is withstood on the upper step end face of main shaft, and the lower surface of lower cover is resisted against
On circlip；The circlip is located at main shaft bottom；The diffusion groove is arranged on housing central section, diffusion groove side and air inlet
Pipe connects, and opposite side connects with the radial hole being opened on main shaft；The pipe plug is movably arranged on the inlet end of air inlet pipe.
Further, the housing and upper press cover junction are provided with sealing gasket, housing is set with lower cover junction
There is lower seal pad.
Further, it is each provided with one of Y in the upper and lower ends of the diffusion grooveXSealing ring and one group of O-ring seal.
Further, the quantity of the deep groove ball bearing is three, and two of which deep groove ball bearing is located at housing upper, and
Packing ring is provided between two deep groove ball bearings, another deep groove ball bearing is located at lower housing portion.
The dual-purpose air water tap of reverse circulation proposed by the present invention for air drilling, in addition to grease nipple, the butter
Mouth is arranged in the side wall of housing, and is connected through housing with zanjon bearing.
By above-mentioned design, the present invention can bring following beneficial effect：Dual-purpose air water tap is used for reverse circulation
Conversion, have conversion process simple, reliable operation, the change of drilling technology method can be adapted in time, be advantageous to improve drilling effect
Safety in rate and hole.
Brief description of the drawings
Fig. 1 is a kind of structure chart of the dual-purpose air water tap of reverse circulation for air drilling of the invention.
Fig. 2 is reacting cycle gas flow channel figure.
Fig. 3 is direct circulation gas flow channel figure.
In figure：1- main shafts, 2- upper press covers, the upper sealing gaskets of 3-, 4- housings, 5- air inlet pipe, 6- lower seal pads, 7- lower covers,
8- inner tubes, 9- tool joints, 10- circlips, 11- bolts, 12- deep groove ball bearings, 13-YXSealing ring, 14- ring packings
Circle, 15- diffusions groove, 16- grease nipples, 17- packing rings, 18- pipe plugs.
Embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.It should be understood by those skilled in the art that.Specifically described content is illustrative and be not restrictive below, should not be with this
Limit the scope of the invention.
Refering to Fig. 1, Fig. 2 and Fig. 3, the dual-purpose air water tap of a kind of reverse circulation for air drilling proposed by the present invention,
The air water tap need to pass to the moment of torsion of rig the drilling tool of bottom, by main shaft 1, tool joint 9 by the moment of torsion transmission of rig
To lower drilling tool, air water of the invention tap includes main shaft 1, upper press cover 2, upper sealing gasket 3, housing 4, air inlet pipe 5, lower seal pad
6th, lower cover 7, inner tube 8, tool joint 9, circlip 10, bolt 11, deep groove ball bearing 12, YXSealing ring 13, ring packing
Circle 14, diffusion groove 15, grease nipple 16, packing ring 17 and pipe plug 18, the housing 4, upper press cover 2, lower cover 7 and air inlet pipe 5 are formed
Outside non-rotating mechanism, to prevent gas from leaking, the housing 4 and the junction of upper press cover 2 are provided with sealing gasket 3, housing 4
The junction of lower cover 7 is provided with lower seal pad 6；The main shaft 1, inner tube 8 and tool joint 9 form internal rotating mechanism, outside
Between non-rotating mechanism of portion and internal rotating mechanism rolling friction and relative motion, zanjon are realized by three deep groove ball bearings 12
Ball bearing 12 is by upper press cover 2, lower cover 7 and the axially position of housing 4；The middle part of the main shaft 1 offer two rows staggeredly, annular distribution
Radial hole, both ensured enough flow channels, and met intensity requirement again, main shaft 1 is formed with tool joint 9 by screwed connection
One entirety, the moment of torsion that rig exports can be passed to drilling tool in hole after connection, drive bottom hole bit operation；Said inner tube 8 is put
In main shaft 1 and tool joint 9, inner tube 8 and the grafting of main shaft 1, and splicing position is provided with O-ring seal, inner tube 8 is with being located at it
Annular gap is formed between outside main shaft 1 and tool joint 9, the annular gap is that passage and direct circulation are returned on reverse circulating
Inlet channel；The housing 4 is sleeved on main shaft 1, and deep groove ball bearing 12, main shaft 1 and shell are provided between housing 4 and main shaft 1
Positioning is using two, top, the deep groove ball bearing 12 of bottom one between body 4, to ensure good perpendicularity and flexibility, and
Separated between the deep groove ball bearing 12 of two, top using packing ring 17, there is screwed hole on housing 4, and utilize bolt 11 by housing
4 are linked together with upper press cover 2 and lower cover 7, and the upper surface of upper press cover 2 is withstood on the upper step end face of main shaft 1, lower cover
7 lower surface is resisted against on circlip 10, and the axial direction of housing 4, upper press cover 2 and lower cover 7 is by the upper step of main shaft 1 and spring
Back-up ring 10 positions；The circlip 10 is located at the bottom of main shaft 1；The diffusion groove 15 is arranged on the middle part of housing 4, diffusion groove 15 1
Side connects with air inlet pipe 5, and opposite side connects with the radial hole being opened on main shaft 1, enables uniformly to enter from the gas of air inlet pipe 5
Enter inner tube 8 and annular gap that main shaft 1, tool joint 9 surround；One of Y is each provided with the upper and lower ends of the diffusion groove 15X
Sealing ring 13 and one group of O-ring seal 14, the sealing for gas；The pipe plug 18 is movably arranged on the air inlet of air inlet pipe 5
End.
Reverse circulation drilling：When being changed into reacting cycle from the direct circulation of routine, only the air water tap of the present invention need to be connected to brill
Between the output shaft and drilling rod of machine, air water tap top connection scum pipe, bottom jointed rod is counter to follow referring to shown in Fig. 2 arrows
Ring gas circulation channel is：Compressed air enters diffusion groove 15 from air inlet pipe 5, enters main shaft 1 and interior through the radial hole on main shaft 1
Annular gap between pipe 8, then the drilling rod in drilling is entered by annular gap between inner tube 8 and tool joint 9 and delivers to bottom hole
Drill bit, be converted to the energy of drill bit detritus, fractured rock；The inner tube that gas after acting enters drilling rod through bit central passage is led to
Returned on road, finally the central passage of inner tube 8 from air water tap, the central passage of main shaft 1 drain into earth's surface；
When need to be changed into direct circulation from reacting cycle, the air admission hole of air inlet pipe 5 need to only be blocked with pipe plug 18, direct circulation drilling
When, air water tap top connection blast pipe, bottom jointed rod, referring to shown in Fig. 3 arrows, direct circulation gas circulation channel is：
Compressed air enters from the central passage of main shaft 1, into the central passage of inner tube 8, into drilling in drilling rod, until bottom hole is bored
Head, promote bottom hole drill bit fractured rock；The annular gap of gas cutting carring from drilling rod and drilling after acting drains into earth's surface, complete
Into direct circulation chip removal.
Claims (5)
- A kind of 1. dual-purpose air water tap of reverse circulation for air drilling, it is characterised in that：Including main shaft (1), upper press cover (2), housing (4), air inlet pipe (5), lower cover (7), inner tube (8), tool joint (9), circlip (10), bolt (11), depth Ditch ball bearing (12), diffusion groove (15) and pipe plug (18), wherein housing (4), upper press cover (2), lower cover (7) and air inlet pipe (5) Outside non-rotating mechanism is formed, main shaft (1), inner tube (8) and tool joint (9) form internal rotating mechanism, outside non-rotating machine Structure and internal rotating mechanism are connected by deep groove ball bearing (12)；Offered in the middle part of the main shaft (1) two rows staggeredly, the radial hole of annular distribution, main shaft (1) passes through silk with tool joint (9) Button connection forms an entirety；Said inner tube (8) is placed in main shaft (1) and in tool joint (9), inner tube (8) is inserted with main shaft (1) Connect, and splicing position is provided with O-ring seal, shape between inner tube (8) and main shaft (1) outside and tool joint (9) Circlewise gap；The housing (4) is sleeved on main shaft (1), and deep groove ball bearing is provided between housing (4) and main shaft (1) (12), there is screwed hole on housing (4), and be connected to housing (4) and upper press cover (2) and lower cover (7) using bolt (11) Together, the upper surface of upper press cover (2) is withstood on the upper step end face of main shaft (1), and the lower surface of lower cover (7) is resisted against elasticity On back-up ring (10)；The circlip (10) is located at main shaft (1) bottom；The diffusion groove (15) is arranged in the middle part of housing (4), is expanded Indent (15) side connects with air inlet pipe (5), and opposite side connects with the radial hole being opened on main shaft (1)；The pipe plug (18) It is movably arranged on the inlet end of air inlet pipe (5).
- 2. the dual-purpose air water tap of a kind of reverse circulation for air drilling as claimed in claim 1, it is characterized in that：Described Housing (4) is provided with sealing gasket (3) with upper press cover (2) junction, and housing (4) is provided with down close with lower cover (7) junction Packing (6).
- 3. the dual-purpose air water tap of a kind of reverse circulation for air drilling as claimed in claim 1 or 2, it is characterized in that： The upper and lower ends of the diffusion groove (15) are each provided with one of YXSealing ring (13) and one group of O-ring seal (14).
- 4. the dual-purpose air water tap of a kind of reverse circulation for air drilling as claimed in claim 3, it is characterized in that：The depth The quantity of ditch ball bearing (12) is three, and two of which deep groove ball bearing (12) is located at housing (4) top, and in two deep-groove balls Packing ring (17) is provided between bearing (12), another deep groove ball bearing (12) is located at housing (4) bottom.
- 5. the dual-purpose air water tap of a kind of reverse circulation for air drilling as claimed in claim 1, it is characterized in that：Also include Huang Oil nozzle (16), the grease nipple (16) are arranged in the side wall of housing (4), and are connected through housing (4) with zanjon bearing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119753.4A CN107724961A (en) | 2017-11-14 | 2017-11-14 | A kind of dual-purpose air water tap of reverse circulation for air drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119753.4A CN107724961A (en) | 2017-11-14 | 2017-11-14 | A kind of dual-purpose air water tap of reverse circulation for air drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107724961A true CN107724961A (en) | 2018-02-23 |
Family
ID=61215360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711119753.4A Pending CN107724961A (en) | 2017-11-14 | 2017-11-14 | A kind of dual-purpose air water tap of reverse circulation for air drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107724961A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056316A (en) * | 2019-05-23 | 2019-07-26 | 山东金开峰机械科技有限公司 | A kind of water drilling rig water drilling connector |
| CN111287743A (en) * | 2020-04-10 | 2020-06-16 | 中国地质科学院探矿工艺研究所 | Air reverse circulation continuous sampling drilling system and process method for water-bearing stratum |
| CN113107387A (en) * | 2021-05-18 | 2021-07-13 | 铁福来装备制造集团股份有限公司 | Double-channel rotary joint for drilling |
| CN114080087A (en) * | 2020-08-19 | 2022-02-22 | 新奥科技发展有限公司 | Plasma generation system and drilling method |
| CN117248825A (en) * | 2023-10-25 | 2023-12-19 | 无锡市安曼工程机械有限公司 | Dual shunt of top drive drilling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101956525A (en) * | 2010-09-08 | 2011-01-26 | 吉林大学 | Down-the-hole hammer reverse concentric casing drilling tool |
| CN202510067U (en) * | 2012-03-20 | 2012-10-31 | 河北华北石油荣盛机械制造有限公司 | Combination device of air supported head and air guide box |
| CN102966304A (en) * | 2012-11-28 | 2013-03-13 | 吉林大学 | Mud retaining wall and air down-the-hole hammer drilling tool and drilling technology |
| KR20150053921A (en) * | 2012-09-14 | 2015-05-19 | 드릴코 툴즈 에스. 에이. | Pressurized fluid flow system including multiple working chambers for a down-the-hole hammer drill and normal- and reverse-circulation down-the-hole hammer drills comprising said system |
| CN207453872U (en) * | 2017-11-14 | 2018-06-05 | 吉林大学 | A kind of dual-purpose air water tap of reverse circulation for air drilling |
-
2017
- 2017-11-14 CN CN201711119753.4A patent/CN107724961A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956525A (en) * | 2010-09-08 | 2011-01-26 | 吉林大学 | Down-the-hole hammer reverse concentric casing drilling tool |
| CN202510067U (en) * | 2012-03-20 | 2012-10-31 | 河北华北石油荣盛机械制造有限公司 | Combination device of air supported head and air guide box |
| KR20150053921A (en) * | 2012-09-14 | 2015-05-19 | 드릴코 툴즈 에스. 에이. | Pressurized fluid flow system including multiple working chambers for a down-the-hole hammer drill and normal- and reverse-circulation down-the-hole hammer drills comprising said system |
| CN102966304A (en) * | 2012-11-28 | 2013-03-13 | 吉林大学 | Mud retaining wall and air down-the-hole hammer drilling tool and drilling technology |
| CN207453872U (en) * | 2017-11-14 | 2018-06-05 | 吉林大学 | A kind of dual-purpose air water tap of reverse circulation for air drilling |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056316A (en) * | 2019-05-23 | 2019-07-26 | 山东金开峰机械科技有限公司 | A kind of water drilling rig water drilling connector |
| CN111287743A (en) * | 2020-04-10 | 2020-06-16 | 中国地质科学院探矿工艺研究所 | Air reverse circulation continuous sampling drilling system and process method for water-bearing stratum |
| CN111287743B (en) * | 2020-04-10 | 2022-08-23 | 中国地质科学院探矿工艺研究所 | Air reverse circulation continuous sampling drilling system and process method for water-bearing stratum |
| CN114080087A (en) * | 2020-08-19 | 2022-02-22 | 新奥科技发展有限公司 | Plasma generation system and drilling method |
| CN114080087B (en) * | 2020-08-19 | 2024-04-30 | 新奥科技发展有限公司 | Plasma generating system and drilling method |
| CN113107387A (en) * | 2021-05-18 | 2021-07-13 | 铁福来装备制造集团股份有限公司 | Double-channel rotary joint for drilling |
| CN117248825A (en) * | 2023-10-25 | 2023-12-19 | 无锡市安曼工程机械有限公司 | Dual shunt of top drive drilling machine |
| CN117248825B (en) * | 2023-10-25 | 2024-03-12 | 无锡市安曼工程机械有限公司 | Dual shunt of top drive drilling machine |
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