CN105888578A - Lifting system of horizontal hole or inclined hole drilling tool - Google Patents
Lifting system of horizontal hole or inclined hole drilling tool Download PDFInfo
- Publication number
- CN105888578A CN105888578A CN201610393036.XA CN201610393036A CN105888578A CN 105888578 A CN105888578 A CN 105888578A CN 201610393036 A CN201610393036 A CN 201610393036A CN 105888578 A CN105888578 A CN 105888578A
- Authority
- CN
- China
- Prior art keywords
- fixed pulley
- ring
- steel wire
- wire rope
- drilling tool
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000010276 construction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
Landscapes
- 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 lifting system of a horizontal hole or inclined hole drilling tool. A first fixed pulley, a second fixed pulley and a third fixed pulley are installed above a bottom frame, wherein the first fixed pulley is located at the end away from a drilled hole, and the second fixed pulley and the third fixed pulley are equal in height and located on the side close to the drilled hole. A winch is installed in the middle of the bottom frame. When the drilling tool needs to be conveyed to the drilled hole, one end of a first steel wire rope is fixed to the winch, and the other end of the first steel wire rope winds around the first fixed pulley and then is connected with one end of a triangular connecting ring; a second steel wire rope sequentially winds around the second fixed pulley, a notch of a special joint and the fixed pulley, and then the two ends of the second steel wire rope are connected with the other two ends of the triangular connecting ring in a one-to-one corresponding mode; when the drilling tool inside the drilled hole needs to be lifted out of the hole, one end of the first steel wire rope is fixed to the winch, and the other end of the first steel wire rope is arranged on a bolt of the special joint in a sleeving mode. The lifting system can be used for conveying or taking out drilling tools of different lengths, can greatly improve the working efficiency and lower labor intensity of workers, and is convenient to operate, safe, reliable and small in occupied area.
Description
Technical field
The present invention relates to geological drilling engineering field, be specifically related to a kind of for lateral aperture or inclined hole drilling construction
Time drilling jacking system.
Background technology
Now current, also do not have special jacking system to remove for the drilling tool of lateral aperture or inclined hole, common practice
It is:
First, when using traditional spindle-type drill, by artificial, drilling tool is extracted out or artificial in hole completely
Force feed in hole by force.
Second, when using power head type drill rig (churn is driven on top), use the power of unit head in hole
Force feed or extraction drilling tool one by one.
Existing problems:
One, artificial conveyance or extraction drilling tool, owing to lateral aperture or inclined hole resistance are especially big, need many people the completeest
Becoming, labor intensity is very big, and efficiency is low, and dangerous.
Two, enter under unit head (top is driven) rig or extract drilling tool out, although labor intensity is low, but due to rig
Kelly limited length (typically at about 3 meters), can only extract (or feeding) 3 meters of left sides out every time
Right drilling rod, the most extremely inefficient, and can not the force feed (or extracting out) drilling tool more than 3 meters.
Summary of the invention
The present invention is directed to above-mentioned technical problem improve, intend providing one to rise for lateral aperture or inclined hole drilling tool
Under jacking system, can be suitably used for different length drilling tool conveying or take out, work efficiency is greatly improved, alleviates work
People's labor intensity, convenient operation, safe and reliable, take up an area few.
To this end, the technical solution adopted in the present invention is: a kind of lateral aperture or inclined hole drilling tool jacking system,
Including underframe, first, second, third fixed pulley, first, second steel wire rope, triangle connects ring,
Hoist engine and special fit, described first, second, third fixed pulley is pacified by respective installing rack respectively
Being contained in above underframe and arrange in isosceles triangle on downward projection, wherein the first fixed pulley is located remotely from
One end of boring, second, third fixed pulley is contour and is located close to the side holed, and described hoist engine is pacified
It is contained in the middle part of underframe；Described special fit includes catcher, carries and draw ring, nuts and bolt, described nut
Activity is placed on and carries in the inner chamber drawing ring, and the lower end of catcher is provided with screw thread for being connected with drilling rod, catcher
Upper end stretch into from bottom to top to carry in the inner chamber drawing ring and be connected with nut, the sidewall of catcher draws under ring with carrying
Leaving gap between port part, the external diameter of nut is less than carrying the internal diameter drawing ring, but is more than and carries the lower end drawing ring
Mouth diameters；Described carrying is drawn the upper end of ring and is provided with the short slot passed through for steel wire rope, and described bolt is horizontally through
The journal stirrup of short slot both sides is also locked to carry and draws on ring；
When needs carry drilling tool in boring, one end of described first steel wire rope is fixed on hoist engine,
The other end is connected wherein one end of ring and is connected with triangle after walking around the first fixed pulley；Second steel wire rope is respectively
After walking around the second fixed pulley, the short slot of special fit and fixed pulley successively, two ends is respectively with triangle even
The other two ends one_to_one corresponding of T-Ring is connected；
When needing to propose outside hole the drilling tool in boring, one end of described first steel wire rope is fixed on elevator
On machine, the other end is directly sleeved on the bolt of special fit.
Preferred as such scheme, described in carry drawing and on the sidewall of ring, have two breach communicated with inner chamber,
Two breach relatively carry and draw the centrage of ring and be arranged symmetrically with, and nut is put into through breach and carried in the inner chamber drawing ring.
Carry and draw ring employing integrative-structure, reduce number of parts, and can guarantee that the installation of nut.
Further, described short slot is arc structure, and the top of arc is upward, facilitates steel wire
Rope is arranged and is carried and draws ring stress.
Further, described underframe uses rectangular frame structure, four angle positions of described rectangular frame
Place is each provided with a root post, and every root post is equipped with a hound, second, third fixed pulley described
It is arranged close to the top of two root posts of boring side correspondingly；Two away from boring side are stood
Column top is connected by cross bar, and described first fixed pulley is arranged in the middle part of cross bar；The middle part of described underframe sets
It is equipped with two crosspieces parallel with cross bar for installing hoist engine and rig.Simplifying structure, reduction is manufactured into
This.
Further, by adjusting the height of the first fixed pulley, the first steel wire rope and drill center are adjusted
The angle of line, to be suitable for the construction of different angles inclined hole.
Operation principle: threadeded with drilling rod in hole catcher lower end, when needs carry brill in hole
During tool, one end of the first steel wire rope is fixed on hoist engine, the other end walk around after the first fixed pulley with triangle
Shape connects wherein one end of ring and is connected；Second steel wire rope walks around the second fixed pulley, special fit the most successively
Short slot and fixed pulley after, two ends be connected with triangle respectively ring other two ends one_to_one corresponding be connected；
Starting hoist engine, steel wire rope shrinks, and i.e. draws ring generation downforce to carrying, carries and draw ring and catcher upper end
Contact, and downforce is passed to catcher, catcher transmits the force to drilling tool in hole, i.e. can reach in hole
The purpose of conveying drilling tool.
When outside in needs are by hole, drilling tool proposes hole, one end of the first steel wire rope is fixed on hoist engine, separately
One end is directly sleeved on the bolt of special fit；Starting hoist engine, steel wire rope shrinks, and i.e. draws ring product to carrying
Raw upper pulling force, now carries and draws the lower end of ring and contact with nut, by nut, transmit the force to take over, lead to
Cross catcher can be proposed by drilling tool in hole.
Beneficial effects of the present invention:
(1), simple in construction, it is easy to processing, without consumable accessory, processing and use cost are low；
(2), drilling tool both can have been proposed in hole, it is also possible to press drilling tool under in hole, it is achieved that Yi Zhongji
Have two kinds of purposes；
(3), significantly reduce labor strength, improve drilling efficiency；
(4), floor space is little, it is easy to install operation, safe and reliable；
(5) multi-angle drilling construction and the conveying of different length drilling tool or taking-up are adapted to.
Accompanying drawing explanation
State when Fig. 1 is the present invention for carrying drilling tool in hole.
State when Fig. 2 is the present invention for being proposed by drilling tool in hole.
Fig. 3 is first, second, third fixed pulley scheme of installation on underframe.
Fig. 4 is the front view of special fit.
Fig. 5 is the top view of special fit.
Fig. 6 is the A-A sectional view of Fig. 5.
Detailed description of the invention
Below by embodiment and combine accompanying drawing, the invention will be further described:
Shown in Fig. 1 Fig. 3, a kind of lateral aperture or inclined hole drilling tool jacking system, mainly by underframe 13,
First fixed pulley 5a, the second fixed pulley 5b, the 3rd fixed pulley 5c, first steel wire rope the 6, second steel wire rope
9, triangle connects the compositions such as ring 8, hoist engine 7 and special fit A.
First fixed pulley 5a, the second fixed pulley 5b, the 3rd fixed pulley 5c are respectively by respective installing rack
It is arranged on above underframe 13 and arranges in isosceles triangle on downward projection, wherein the first fixed pulley 5a
Being located remotely from one end of boring 11, the second fixed pulley 5b, the 3rd fixed pulley 5c are contour and are located close to bore
The side in hole 11.Hoist engine 7 is arranged on the middle part of underframe 13.
Preferably, underframe 13 uses rectangular frame structure, respectively arranges at four angle positions of rectangular frame
There are a root post 13a, every root post 13a equipped with a hound 13b for support post 13a.The
Two fixed pulley 5b, the 3rd fixed pulley 5c are arranged close to two root post 13a of boring side correspondingly
Top, i.e. it is fixed sliding that two root post 13a and two hound 13b near boring side constitute second
Wheel 5b, the installing rack of the 3rd fixed pulley 5c.Cross bar is passed through at the two root post 13a tops away from boring side
13c is connected, and the first fixed pulley 5a is arranged in the middle part of cross bar 13c, i.e. away from two root posts of boring side
13a, two hound 13b and cross bar 13c constitute the installing rack of the first fixed pulley 5a.Underframe
The middle part of 13 is provided with two crosspiece 13ds parallel with cross bar 13c for installing hoist engine 7 and rig,
During installation, underframe 13 fixes on the ground, and hoist engine 7 and rig are arranged on the crosspiece 13d of underframe 13
On, further ensure the steadiness of underframe 13.
Shown in Fig. 4 Fig. 6, special fit A is mainly by taking over 1, carrying and draw ring 2, nut 3 and spiral shell
Bolt 4 forms.The orientation of special fit A is with close boring 11 sides as lower section, away from 11 sides of holing
For top, describe different with the orientation of underframe A.
Nut 3 activity is placed on and carries in the inner chamber drawing ring 2, by thread set in the upper end of catcher 1,
Increase the tip diameter of catcher 1, prevent from taking over 1 and draw ring 2 from carrying.The lower end of catcher 1 is arranged
Having screw thread for being connected with drilling rod, the parameter of the tapering and screw thread of taking over 1 lower end is mated with drilling rod, logical
Cross screw thread to link together with drilling rod.
The upper end of catcher 1 is stretched into from bottom to top to carry in the inner chamber drawing ring 2 and is connected with nut 3.Catcher 1
Sidewall and carry and leave gap between the lower end oral area drawing ring 2, it is ensured that catcher 1 threadeds one with drilling rod 10
Rise when rotating, carry and draw ring 2 and do not rotate.The external diameter of nut 3 is less than carrying the internal diameter drawing ring 2, but is more than and carries
Draw the lower end mouth diameters of ring 2, it is ensured that catcher 1 can not come off from carrying drawing ring 2.
Carrying and draw the upper end of ring 2 and be provided with the short slot 2a passed through for steel wire rope, steel wire rope passes through from short slot 2a,
Pressure it is downwardly applied to during for declining drilling tool 12.Carrying and draw ring 2 upper end and have bolt through-hole, bolt 4 is horizontal
Through the journal stirrup 2b of short slot 2a both sides and be locked to carry and draw on ring 2.The effect of bolt 4 has
When declining drilling tool, steel wire rope can be kept off in arcuate groove, not allow it skid off；Two is to promote drilling tool
Time, steel wire rope is just enclosed within bolt 4, passes to carry by lifting force and draws ring 2, it is simple to drilling tool is proposed hole
Outward.
Preferably, carry and on the sidewall drawing ring 2, have two the breach 2c communicated with inner chamber, two breach 2c
Relatively carrying and draw the centrage of ring 2 and be arranged symmetrically with, the width of breach 2c is more than the diameter of nut 3, nut 3
Put into through breach 2c and carry in the inner chamber drawing ring 2.One breach 2c also can meet use requirement, arranges
Two symmetrical breach 2c are in order to ensure stress balance during use, and convenient processing.Carry
Draw ring 2 and use integrative-structure, reduce number of parts, and can guarantee that the installation of nut 3.Certainly, carry and drawing
Ring 2 can also use split-type structural, then is combined by screw thread or snap connection.
It addition, short slot 2a is arc structure, and the top of arc is upward.Certainly, short slot 2a
The structure of flat recess can also be used, but when carrying drilling tool in hole, steel wire rope is at the margin location of flat recess
Put place's stress bad, be susceptible to fracture.
As it is shown in figure 1, the lower end of special fit A is connected with the upper end of drilling rod 10, the lower end of drilling rod 10
It is connected with drilling tool 12.When needs carry drilling tool in boring, one end of the first steel wire rope 6 is fixed on volume
Raising on machine 7, the other end is connected wherein one end of ring 8 and is connected with triangle after walking around the first fixed pulley 5a.
Second steel wire rope 9 walks around the second fixed pulley 5b, the short slot 2a of special fit A and fixed pulley the most successively
After 5c, two ends is connected the other two ends one_to_one corresponding of ring 8 respectively and is connected with triangle.Start hoist engine,
First steel wire rope shrink, i.e. to carry draw ring produce downforce, carry draw ring with take over upper end contact, and
Downforce passes to catcher, and catcher transmits the force to drilling tool in hole, i.e. can reach conveying drilling tool in hole
Purpose.In figure, 1 arrow show Impact direction when carrying drilling tool in boring.
As in figure 2 it is shown, when needing to propose outside hole the drilling tool in boring, one end of the first steel wire rope 6
Being fixed on hoist engine 7, the other end is directly sleeved on the bolt 4 of special fit A.Start hoist engine,
First steel wire rope 6 shrinks, and i.e. draws ring produce upper pulling force to carrying, and now carries and draws the lower end of ring and contact with nut,
By nut, transmit the force to catcher, drilling tool in hole can be proposed by catcher.Arrow institute in Fig. 2
It is shown as Impact direction when being proposed in boring by drilling tool.
Preferably, the installing rack height adjustable of the first fixed pulley 5a, by adjusting the first fixed pulley 5a's
Highly, the angle of the first steel wire rope 6 and drill center line is adjusted, with executing of applicable different angles inclined hole
Work.
When specifically installing, column 13a is with bolts with underframe 13, and ensures vertical；Four diagonal braces
Bar 13b and underframe 13, column 13a are with bolts；Cross bar 13c and two root post 13a passes through spiral shell
Tether and connect；Two crosspiece 13d are with bolts with underframe 13.First fixed pulley 5a, the second fixed pulley
5b, the 3rd fixed pulley 5c buckle connection with corresponding column 13a by short steel rope band is U-shaped respectively, the first steel
Cord the 6, second steel wire rope 9 is connected with triangle that ring 8 short steel rope band is U-shaped buckles connection.
Claims (5)
1. a lateral aperture or inclined hole drilling tool jacking system, it is characterised in that: include underframe (13), the
One, second, third fixed pulley (5a, 5b, 5c), first, second steel wire rope (6,9), triangle
Connection ring (8), hoist engine (7) and special fit (A), described first, second, third fixed pulley (5a,
5b, 5c) respectively by respective installing rack be arranged on underframe (13) top and on downward projection in etc.
Lumbar triangle shape is arranged, wherein the first fixed pulley (5a) is located remotely from one end of boring, and second, third is fixed
Pulley (5b, 5c) is contour and is located close to the side holed, and described hoist engine (7) is arranged on underframe (13)
Middle part；Described special fit (A) includes taking over (1), carrying and draw ring (2), nut (3) and bolt
(4), described nut (3) activity is placed on and carries in the inner chamber drawing ring (2), and the lower end of catcher (1) sets
Being equipped with screw thread for being connected with drilling rod (10), the upper end of catcher (1) is stretched into from bottom to top to carry and is drawn ring (2)
Inner chamber in be connected with nut (3), the catcher sidewall of (1) and carrying between the lower end oral area drawing ring (2)
Leaving gap, the external diameter of nut (3) is less than carrying the internal diameter drawing ring (2), but draws ring (2) more than carrying
Lower end mouth diameters；Described carrying is drawn the upper end of ring (2) and is provided with the short slot (2a) passed through for steel wire rope, institute
State bolt (4) be horizontally through the journal stirrup (2b) of short slot (2a) both sides and be locked to carry and draw on ring (2)；
When needs carry drilling tool in boring, one end of described first steel wire rope (6) is fixed on hoist engine
(7), on, the other end is walked around the first fixed pulley (5a) and is connected wherein one end of ring (8) afterwards with triangle
It is connected；Second steel wire rope (9) walk around the most successively the second fixed pulley (5b), special fit (A) lack
After groove (2a) and fixed pulley (5c), two ends is connected the other two ends one of ring (8) respectively with triangle
One is corresponding connected；
When needing to propose outside hole the drilling tool in boring, one end of described first steel wire rope (6) is fixed on
On hoist engine (7), the other end is directly sleeved on the bolt (4) of special fit (A).
2. according to the lateral aperture described in claim 1 or inclined hole drilling tool jacking system, it is characterised in that: institute
Stating to carry and have two breach (2c) communicated with inner chamber on the sidewall drawing ring (2), two breach (2c) are relative
Carrying and draw the centrage of ring (2) and be arranged symmetrically with, nut (3) is put into carry through breach (2c) and is drawn ring (2)
Inner chamber in.
3. according to the lateral aperture described in claim 1 or inclined hole drilling tool jacking system, it is characterised in that: institute
Stating short slot (2a) is arc structure, and the top of arc is upward.
4. according to the lateral aperture described in claim 1 or inclined hole drilling tool jacking system, it is characterised in that: institute
State underframe (13) and use rectangular frame structure, be each provided with at four angle positions of described rectangular frame
One root post (13a), every root post (13a) equipped with a hound (13b), described second,
Three fixed pulleys (5b, 5c) are arranged close to the top of two root posts (13a) of boring side correspondingly
Portion；Two root posts (13a) top away from boring side is connected by cross bar (13c), and described first
Fixed pulley (5a) is arranged on cross bar (13c) middle part；The middle part of described underframe (13) be provided with two with
The parallel crosspiece (13d) of cross bar (13c) is used for installing hoist engine (7) and rig.
5. according to the lateral aperture described in claim 1 or inclined hole drilling tool jacking system, it is characterised in that: logical
Cross the height adjusting the first fixed pulley (5a), adjust the folder of the first steel wire rope (6) and drill center line
Angle, to be suitable for the construction of different angles inclined hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393036.XA CN105888578B (en) | 2016-06-03 | 2016-06-03 | Lifting system for horizontal hole or inclined hole drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393036.XA CN105888578B (en) | 2016-06-03 | 2016-06-03 | Lifting system for horizontal hole or inclined hole drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105888578A true CN105888578A (en) | 2016-08-24 |
| CN105888578B CN105888578B (en) | 2017-12-05 |
Family
ID=56709871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610393036.XA Active CN105888578B (en) | 2016-06-03 | 2016-06-03 | Lifting system for horizontal hole or inclined hole drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105888578B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337653A (en) * | 2016-11-30 | 2017-01-18 | 中国石油大学(华东) | Drilling Device and Method for Internal Perforation of Vertical Borehole |
| CN108625802A (en) * | 2018-05-11 | 2018-10-09 | 中国石油集团长城钻探工程有限公司 | A kind of expansion tube drilling tool for construction anti-above ejection device and its application method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600062A (en) * | 1984-07-13 | 1986-07-15 | 501 Dailey Petroleum Services Corporation | Shock absorbing drilling tool |
| CN2072147U (en) * | 1990-07-23 | 1991-02-27 | 卢新华 | High-efficient light well driller |
| CN2175822Y (en) * | 1993-08-14 | 1994-08-31 | 山东省临清市水利局排灌机械厂 | Post hole driller |
| CN101934991A (en) * | 2010-08-24 | 2011-01-05 | 北京市三一重机有限公司 | Lifting mechanism and rotary drilling rig |
| CN102061892A (en) * | 2010-11-25 | 2011-05-18 | 北京市三一重机有限公司 | Rotary drilling rig and drill rod assembly thereof |
| CN205778610U (en) * | 2016-06-03 | 2016-12-07 | 重庆市地质矿产勘查开发局208水文地质工程地质队 | A kind of lateral aperture or inclined hole drilling tool jacking system |
-
2016
- 2016-06-03 CN CN201610393036.XA patent/CN105888578B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600062A (en) * | 1984-07-13 | 1986-07-15 | 501 Dailey Petroleum Services Corporation | Shock absorbing drilling tool |
| CN2072147U (en) * | 1990-07-23 | 1991-02-27 | 卢新华 | High-efficient light well driller |
| CN2175822Y (en) * | 1993-08-14 | 1994-08-31 | 山东省临清市水利局排灌机械厂 | Post hole driller |
| CN101934991A (en) * | 2010-08-24 | 2011-01-05 | 北京市三一重机有限公司 | Lifting mechanism and rotary drilling rig |
| CN102061892A (en) * | 2010-11-25 | 2011-05-18 | 北京市三一重机有限公司 | Rotary drilling rig and drill rod assembly thereof |
| CN205778610U (en) * | 2016-06-03 | 2016-12-07 | 重庆市地质矿产勘查开发局208水文地质工程地质队 | A kind of lateral aperture or inclined hole drilling tool jacking system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337653A (en) * | 2016-11-30 | 2017-01-18 | 中国石油大学(华东) | Drilling Device and Method for Internal Perforation of Vertical Borehole |
| CN108625802A (en) * | 2018-05-11 | 2018-10-09 | 中国石油集团长城钻探工程有限公司 | A kind of expansion tube drilling tool for construction anti-above ejection device and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105888578B (en) | 2017-12-05 |
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