CN207017975U - A kind of cleaning drilling tool for coal bed gas oil pipe - Google Patents
A kind of cleaning drilling tool for coal bed gas oil pipe Download PDFInfo
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- CN207017975U CN207017975U CN201720512328.0U CN201720512328U CN207017975U CN 207017975 U CN207017975 U CN 207017975U CN 201720512328 U CN201720512328 U CN 201720512328U CN 207017975 U CN207017975 U CN 207017975U
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- oil pipe
- bit body
- bed gas
- coal bed
- hole
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Abstract
The utility model belongs to cleaning oil pipe technical field, more particularly to a kind of cleaning drilling tool for coal bed gas oil pipe.Including bit body and metallic cable, multiple radial direction through hole are provided with wherein on bit body vertically, a metallic cable is inserted with each radial direction through hole, the both ends of each metallic cable carry out drilling by being stretched out in radial direction through hole for the fouling to coal bed gas tube inner wall.Metallic cable is steel wire rope, and it is isometric and along reverse bending that steel wire rope is exposed to both ends on the outside of radial direction through hole.Bit body is provided with centre bore vertically with drilling through one end that driver drilling rod is connected, and the medial extremity of centre bore is blind end, is provided with multiple hydro-peening holes with centre bore insertion on the excircle of bit body vertically.The utility model is simple and practical, improves 20~70 times of drilling coverage rate, improves cleaning quality and cleaning efficiency, reduces production cost and operating cost, avoids damage to oil pipe.
Description
Technical field
The utility model belongs to cleaning oil pipe technical field, more particularly to a kind of cleaning drilling tool for coal bed gas oil pipe.
Background technology
Coal bed gas, which produces, to be settled in oil pipe with frequent generation coal dust blocking aerogenesis passage, coal dust during mining and causes pipe
Phenomena such as post fails, the overall exploitation benefit of coal bed gas is had a huge impact.It is coal seam that these ineffective oil-well pipes are repaired in cleaning
Gas enterprise reduces cost of winning, realizes the light-weighted important measure of assets.
Coal dust deposits in oil pipe and forms dirty layer, and the intensity of its dirty layer is of a relatively loose, the thinner thickness of layer of scale, rarely
The phenomenon that tube inner wall blocks.These scaling oil pipes are repaired at present mostly using oil pipe brill for the fouling feature of coal bed gas oil pipe
The mode that logical machine and Cleaning by High Pressure Water Jet are combined, that is, first pass through oil pipe and drill through the drilling effect of machine drill head to tube inner wall hardly possible
Clean dirty matter, scale etc. and carry out prerinse, then using High-Pressure Water to the further cleaning of oil pipe.Oil pipe drills through machine drill head and adopted more
Carbide bit is welded with steel bit body or the carbide bit of floating is installed in steel bit body, due to oil pipe
Structural requirement causes run of steel, and more than 10 meters, bit vibration is big in drilling process, often results in drill bit tipping in work, bores
Bar damages, and service life is short, cleaning efficiency is low, maintenance cost is high, while carbide bit easy damaged oil during drilling
Tube body.It is relatively low more importantly to drill through the coverage rate of drill bit its drilling in drilling tube inner wall dirt layer of machine, after drilling
Tube inner wall can remain the helix of dirty layer, and removing the helix of these dirty layer residuals needs high-pressure water jet progress secondary clear
Wash.The operation electric energy loss of high-pressure water shot flow device is big, and equipment production and maintenance cost are high.
Utility model content
To solve the above problems, the purpose of this utility model is that providing one kind is used for coal bed gas cleaning oil pipe drilling tool, should
Cleaning oil pipe drilling tool structure is simple and practical, improves 20~70 times of drilling coverage rate, improves cleaning quality and cleaning efficiency, reduces life
Cost and operating cost are produced, avoids damage to oil pipe.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of cleaning drilling tool for coal bed gas oil pipe, including bit body and metallic cable, wherein set vertically on bit body
Have multiple radial direction through hole, be inserted with a metallic cable in each radial direction through hole, the both ends of each metallic cable by being stretched out in radial direction through hole,
Drilling is carried out for the fouling to coal bed gas tube inner wall.
The metallic cable is steel wire rope, and it is isometric and along reverse bending that the steel wire rope is exposed to both ends on the outside of radial direction through hole.
A diameter of 8-16mm of the steel wire rope.
The angle of the axis of two neighboring radial direction through hole is 30 ° -60 ° on the bit body.
Spacing on the bit body between two neighboring radial direction through hole is more than 20cm, described in the diameter ratio of each radial direction through hole
The big 0.2-0.5mm of diameter of metallic cable.
The bit body is provided with centre bore vertically with drilling through one end that driver drilling rod is connected, and the medial extremity of the centre bore is
Blind end, multiple hydro-peening holes with centre bore insertion are provided with the excircle of the bit body vertically.
The outboard end in the hydro-peening hole is along the square inclination of drill bit.
The both ends of the bit body are equipped with guide cone.
The other end relative with drill bit is provided with external screw thread on the bit body, and the external screw thread is used for drilling through driver drilling rod phase
Even.
Multiple annular grooves are provided with the excircle of the bit body vertically.
The advantages of the utility model and beneficial effect are：A kind of cleaning oil pipe drilling tool provided by the utility model, structure letter
It is singly practical, formed by bit body and steel wire rope are equipped, replace and drill through machine drill head in existing oil pipe, to improve the use longevity of drilling tool
Life, 20~70 times of drilling coverage rate is improved, improve cleaning quality and cleaning efficiency, reduced production cost and operating cost, keep away
Exempt to damage oil pipe, suitable for the cleaning of coal bed gas oil pipe.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model structure.
Fig. 2 is Fig. 1 A-A sectional views.
In figure：1 is bit body, and 11 be radial direction through hole, and hole centered on 12,13 be hydro-peening hole, and 14 be annular groove, and 15 be outer spiral shell
Line, 2 be steel wire rope.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in detail example.
As shown in Figure 1-2, a kind of cleaning drilling tool for coal bed gas oil pipe provided by the utility model, including bit body 1
And metallic cable, multiple radial direction through hole 11 are provided with wherein on bit body 1 vertically, a metal is inserted with each radial direction through hole 11
Rope, the both ends of each metallic cable are stretched out by radial direction through hole 11, and drilling is carried out for the fouling to coal bed gas tube inner wall.
The both ends of bit body 1 are equipped with guide cone, play a part of guiding when bit body 1 enters flowline and avoid passing in and out
Hanging and pulling mouth of pipe during oil pipe.
The other end relative with drill bit is provided with external screw thread 15 on bit body 1, and external screw thread 15 is used to be connected with drilling through driver drilling rod.
Therefore, the specification of external screw thread 15 is identical with the connection screw thread for drilling through machine drill boom end.
Multiple annular grooves 14 are provided with the excircle of bit body 1 vertically, the effect of annular groove is set on bit body 1：In drilling tool
Used under working condition as chip area, be easy to the drilling cuttings under being ground in work to be discharged under water impact by annular groove；Together
When reduce drilling process in resistance.
The metallic cable is preferably steel wire rope 2, and the both ends that steel wire rope 2 is exposed to the outside of radial direction through hole 11 are isometric and along reverse
Bending.
The length of installation steel wire rope 2 configures according to the scaling degree of cleaning tubing in bit body 1, the diameter one of steel wire rope 2
As select 8~16 millimeters, avoid damaging tube inner wall in drilling process so that drilling frictional force and drilling rod driving torque reach
Most suitable configuration.
The angle of the axis of two neighboring radial direction through hole 11 is 30 ° -60 ° on bit body 1, two neighboring radial direction through hole 11 it
Between spacing be more than 20cm, the diameter of each radial direction through hole 11 is bigger 0.2-0.5mm than the diameter of steel wire rope 2.
Further, one end of the connection of bit body 1 drilling rod is provided with centre bore 12 vertically, and the medial extremity of centre bore is closing
Hold, be provided with multiple hydro-peening holes 13 penetrated with centre bore 12 on the excircle of bit body 1 vertically.
Further, the outboard end in hydro-peening hole 13 is along the square inclination of drill bit.
The oil pump plunger piston scrapped can be selected in the bit body 1, because oil pump plunger piston has good wear-resistant, corrosion resistant
Corrosion, toughness are high, transmit the features such as moment of torsion is big, can save manufacturing cost.
Operation principle of the present utility model is：
In use, thread connection of the external screw thread 15 of the one end of bit body 1 with drilling through driver drilling rod, driving bit body 1 transmit greatly
Moment of torsion is reversed with dragging several straps 2 on bit body in oil pipe, and the length of steel wire rope 2 can change drilling face in oil pipe
Drilling coverage rate, the diameter of steel wire rope 2 is typically chosen 8~16 millimeters, is easy to bending, further improves cleaning performance and replacing
It is simple and quick.By steel wire rope 2, caused frictional force, the coal dust that can effectively remove tube inner wall deposit between tube inner wall
Layer, scale and fouling.Water at atmospheric pressure is connected with the centre bore of drilling rod, water at atmospheric pressure is by the centre bore 12 on bit body 1 by hydro-peening hole
13 are ejected, and the coal dust to get off, scale and fouling impurity will be ground in drilling process and is washed away totally, while avoids drilling process
In airborne dust.
Also the advance of bit body or rotary speed can be changed according to the scaling degree of oil pipe in cleaning process, to reach
Optimal cleaning effect.
Steel wire rope 2 is installed in the utility model, on bit body 1 to replace conventional carbide bit, and steel wire rope
It is conveniently replaceable, without regular maintenance, greatly reduces making of the present utility model and daily production cost.
In the utility model, bit body installs steel wire rope to replace conventional carbide bit to make the coverage rate of drilling
20~70 times are improved, cleaning quality is improved, and secondary cleaning is carried out to oil pipe without being reconfigured at Cleaning by High Pressure Water Jet equipment,
So that cleaning greatly simplifies, energy consumption reduces by 70%, and investment of production equipment reduces by 50%.
Bit body is connected on drilling rod, waterline is sprayed by inclined hydro-peening hole 13 on bit body, in favor of discharging oil pipe
Interior drilling cuttings fouling is simultaneously cleaned.In work, steel wire rope 2 is wrapped on bit body 1, plays support bit body 1 at work,
It ensure that bit body 1 is consistent with the center of oil pipe.
Bit body is processed into using the oil pump plunger piston scrapped, brill is improved using the special material of plunger and overlay coating
The intensity and corrosion resistance and wearability of bar, waste and old utilization is realized, reduce cost of manufacture.
Embodiment of the present utility model is the foregoing is only, is not intended to limit the scope of protection of the utility model.It is all
Made within spirit of the present utility model and principle any modification, equivalent substitution and improvements, extension etc., are all contained in this reality
With in new protection domain.
Claims (10)
1. a kind of cleaning drilling tool for coal bed gas oil pipe, it is characterised in that including bit body (1) and metallic cable, wherein drill bit
Multiple radial direction through hole (11) are provided with body (1) vertically, a metallic cable is inserted with each radial direction through hole (11), each metallic cable
Both ends are stretched out by radial direction through hole (11), and drilling is carried out for the fouling to coal bed gas tube inner wall.
2. the cleaning drilling tool according to claim 1 for coal bed gas oil pipe, it is characterised in that the metallic cable is steel wire
Restrict (2), it is isometric and along reverse bending that the steel wire rope (2) is exposed to both ends on the outside of radial direction through hole (11).
3. the cleaning drilling tool according to claim 2 for coal bed gas oil pipe, it is characterised in that the steel wire rope (2)
A diameter of 8-16mm.
4. the cleaning drilling tool according to claim 1 for coal bed gas oil pipe, it is characterised in that on the bit body (1)
The angle of the axis of two neighboring radial direction through hole (11) is 30 ° -60 °.
5. the cleaning drilling tool according to claim 4 for coal bed gas oil pipe, it is characterised in that on the bit body (1)
Spacing between two neighboring radial direction through hole (11) is more than 20cm, the diameter of the diameter of each radial direction through hole (11) than the metallic cable
Big 0.2-0.5mm.
6. the cleaning drilling tool for coal bed gas oil pipe according to claim any one of 1-5, it is characterised in that the drill bit
Body (1) is provided with centre bore (12) vertically with drilling through one end that driver drilling rod is connected, and the medial extremity of the centre bore is blind end, institute
State and be provided with multiple hydro-peening holes (13) with the centre bore (12) insertion on the excircle of bit body (1) vertically.
7. the cleaning drilling tool according to claim 6 for coal bed gas oil pipe, it is characterised in that the hydro-peening hole (13)
Outboard end is along the square inclination of drill bit.
8. the cleaning drilling tool according to claim 1 for coal bed gas oil pipe, it is characterised in that the bit body (1)
Both ends are equipped with guide cone.
9. the cleaning drilling tool according to claim 8 for coal bed gas oil pipe, it is characterised in that on the bit body (1)
The other end relative with drill bit is provided with external screw thread (15), and the external screw thread (15) is used to be connected with drilling through driver drilling rod.
10. the cleaning drilling tool according to claim 1 for coal bed gas oil pipe, it is characterised in that the bit body (1)
Multiple annular grooves (14) are provided with excircle vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720512328.0U CN207017975U (en) | 2017-05-09 | 2017-05-09 | A kind of cleaning drilling tool for coal bed gas oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720512328.0U CN207017975U (en) | 2017-05-09 | 2017-05-09 | A kind of cleaning drilling tool for coal bed gas oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207017975U true CN207017975U (en) | 2018-02-16 |
Family
ID=61476425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720512328.0U Active CN207017975U (en) | 2017-05-09 | 2017-05-09 | A kind of cleaning drilling tool for coal bed gas oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207017975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779456A (en) * | 2020-07-29 | 2020-10-16 | 河南理工大学 | Steel cable for expanding drill bit |
-
2017
- 2017-05-09 CN CN201720512328.0U patent/CN207017975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779456A (en) * | 2020-07-29 | 2020-10-16 | 河南理工大学 | Steel cable for expanding drill bit |
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