CN106761388B - Rotary impact type drilling tool - Google Patents
Rotary impact type drilling tool Download PDFInfo
- Publication number
- CN106761388B CN106761388B CN201710125553.3A CN201710125553A CN106761388B CN 106761388 B CN106761388 B CN 106761388B CN 201710125553 A CN201710125553 A CN 201710125553A CN 106761388 B CN106761388 B CN 106761388B
- Authority
- CN
- China
- Prior art keywords
- impact
- current divider
- hammer
- collision
- rotary impact
- 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.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 238000009527 percussion Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims description 82
- 239000012530 fluid Substances 0.000 claims description 35
- 230000001681 protective Effects 0.000 claims description 26
- 230000004308 accommodation Effects 0.000 claims description 12
- 230000037361 pathway Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 210000004907 Glands Anatomy 0.000 claims description 6
- 230000000875 corresponding Effects 0.000 claims description 5
- 239000012188 paraffin wax Substances 0.000 claims description 5
- 230000023298 conjugation with cellular fusion Effects 0.000 claims description 4
- 229910001105 martensitic stainless steel Inorganic materials 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 230000021037 unidirectional conjugation Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 210000002421 Cell Wall Anatomy 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009987 spinning Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 15
- 239000011435 rock Substances 0.000 description 15
- 210000003128 Head Anatomy 0.000 description 5
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 206010008469 Chest discomfort Diseases 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002708 enhancing Effects 0.000 description 2
- 230000001965 increased Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- HBUBKKRHXORPQB-UUOKFMHZSA-N 2-fluoroadenosine Chemical compound C1=NC=2C(N)=NC(F)=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O HBUBKKRHXORPQB-UUOKFMHZSA-N 0.000 description 1
- 206010018987 Haemorrhage Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding Effects 0.000 description 1
- 231100000319 bleeding Toxicity 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003116 impacting Effects 0.000 description 1
- 230000001771 impaired Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000003534 oscillatory Effects 0.000 description 1
- 238000004540 process dynamic Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
Abstract
The invention discloses a kind of rotary impact type drilling tools, including sequentially connected by-pass valve assembly, motor assembly, universal axle assembly and driving-shaft assembly, the driving-shaft assembly includes the internal transmission shaft with hollow channel, one end of the transmission shaft is connected with percussion mechanism, and the end of the percussion mechanism is connected with drill bit；The cross torsion impact force of certain frequency is generated by the shock of rotary impact hammer using side knock mechanism, impact of collision mechanism generates the longitudinal impact force of certain frequency by the shock that impact of collision is hammered into shape, the two combines and forms three-dimensional motion impact effect, and by being rotated by transmission shaft, the movement of spinning of three-dimensional impact mode is formed, bit speed and drilling efficiency are improved.
Description
Technical field
The present invention relates to oil-well drilling equipment, in particular to a kind of rotary impact type drilling tool.
Background technique
How to improve bit speed is the technical problem that current countries in the world are being studied, in particular, with the increasing of well depth
Add, waterpower is lost along journey to be increased, and shaft bottom drill bit can sharply be declined with water energy, and hydraulic drilling and clear rock reduced capability cause deep-well
The problems such as drilling speed is low, bit wear is fast, viscous card is serious；In addition, in order to improve oil recovery efficiency, horizontal well, Multilateral Wells, big displacement
Well is got more and more attention from formula well etc., and current wellbore is more and more irregular, and frictional resistance and torque are big, and slide drilling is difficult, wellbore
Expanded range is small.
The core technology content for improving bit speed is how to improve the efficiency of breaking rock of drill bit, surrounds the technology contents, removes
Other than research bit technique, water-jet breaking technique for rock and other drilling technologies, recent decades have also been proposed rotating drilling
Technology, and a large amount of technical research and field application have been carried out, principle is to connect (the rotation of a hydraulic impacter on drill bit top
Rush connector), in drilling process, drill bit is rushed with drill string rotating, while also by the high frequency from impactor under certain bit pressure
Hit stress, and the fractured rock under the synergy for rotating and impacting.
Rotary impact is a kind of broken rock mode for effectively improving efficiency of breaking rock and rate of penetration, rotary impact common at present
Drilling tool is broadly divided into hydrodynamic, pneumatic type and electrodynamic type etc., mouth of being used widely in Rock and Soil Drilling Engineering.
It discloses one kind in the patent of invention that notification number is CN104033113B to spin helicoid hydraulic motor, mud is by bypass
Enter inside helicoid hydraulic motor inside valve chest, the machinery for rotating the hydraulic energy transfer of mud for rotor using motor portion
Can, rotor rotation successively drives universal shaft and the rotation of upper axis body, due to being that spline connects between upper axis body and lower axis body, cam,
Cam chair and lower axis body are sequentially connected, and lower axis body and cam can also be rotated with upper axis body, are cooperated due to cam and idler wheel
Structure feature will push lower axis body in cam rotary course and pump, and generate the stable of certain frequency and size
Soft impact force.Above-mentioned patent drives the axially reciprocating of lower axle body to generate axial vibration punching by the cooperation of cam and idler wheel
Rotating drilling mode is realized in the rotation hit in conjunction with lower axis body, since lower axis body also needs to generate axial reciprocal fortune in rotation process
Dynamic, so that the raising in bit speed and drilling efficiency is very limited, and drill bit rock breaking capacity is poor when encountering the hard objects such as rock.
Summary of the invention
The object of the present invention is to provide a kind of rotary impact type drilling tools, are mutually tied using helicoid hydraulic motor with speed enhancing apparatus
It closes, reaches rotating drilling mode, speed enhancing apparatus generates three-dimensional vibrating impact laterally and longitudinally, greatly using drilling fluid as power
Width improves bit speed and drilling efficiency.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of rotary impact type drilling tool, including sequentially connected by-pass valve assembly, anti-lost assembly, motor assembly,
Universal axle assembly and driving-shaft assembly, the driving-shaft assembly include the internal transmission shaft with hollow channel, the transmission shaft
One end be connected with percussion mechanism, the end of the percussion mechanism is connected with drill bit；The percussion mechanism includes setting up and down
Impact of collision mechanism and side knock mechanism, the side knock mechanism include rotary impact hammer seat, are rotationally connected with rotation punching
Rotary impact hammer in hammer seat and the first steering current divider in rotary impact hammer；The impact of collision mechanism includes
Impact of collision hammers seat, the impact of collision portion in impact of collision hammer seat into shape and turns to the linkage portion that current divider drives by first,
Crankmotion under the driving that the rotary impact hammer turns to current divider first, while the impact of collision portion is in linkage portion
Driving under reciprocating longitudinal motion.
By using above-mentioned technical proposal, the mud pumped out flowed through by-pass valve assembly using slush pump, and to enter motor total
At interior, certain pressure difference is formed in the import and export of motor assembly, pushes the rotor of motor to rotate, and torque and revolving speed are led to
It crosses universal shaft and transmission shaft is transmitted in percussion mechanism, drive percussion mechanism rotation, percussion mechanism rotates progress with drill bit together
Broken rock；Percussion mechanism is converted into rotary impact hammer and impact of collision portion using drilling fluid as motive power, by the kinetic energy of drilling fluid
High frequency and impact energy by a small margin, and the 3 D stereo as caused by rotary impact hammer and impact of collision mechanism is impacted
It avoids generating a glutinous sliding phenomenon in energy transmission to drill bit, while improving rate of penetration and drilling efficiency, drilling efficiency is same
2-3 times of PDC drill bit is used alone in well, same layer.
Preferably, the impact of collision portion includes impact of collision hammer and the upper and lower ends set on impact of collision hammer
Upper striker and lower striker are formed with the first driving chamber, the lower striker between the upper striker and impact of collision hammer
The second driving chamber is formed between impact of collision hammer；First low pressure liquid that is internally provided with of the first steering current divider leads to
Road, the highly pressurised liquid channel being connected to first low pressure liquid channel is provided in the linkage portion and the second low pressure liquid is logical
Road, when one in first driving chamber and the second driving chamber is connected to second low pressure liquid channel, described first
Another in driving chamber and second driving chamber is connected to the axial fortune of driving impact of collision hammer with the highly pressurised liquid channel
It is dynamic.
By using above-mentioned technical proposal, cleaner for high-pressure drilling fluid circulation is passed into the first driving chamber or the second driving chamber, is made
The first driving chamber and the second driving chamber distinguish staggered is formationed high pressure chest and low pressure chamber, cause to push in the first driving chamber and
Longitudinally reciprocating motion is hammered in impact of collision between second driving chamber into shape, and striker and lower striker generate longitudinal high frequency vibrating in shock
It is dynamic, it is significantly high in oscillation intensity, further increase the rock breaking capacity of drill bit.
Preferably, the linkage portion includes the intermediate tube in impact of collision hammer and the in intermediate tube
Two turn to current divider, and the second steering current divider connect and rotates synchronously with the first steering current divider；It is opened on the intermediate tube
Equipped with the first inlet opening being connected to the first driving chamber and the second inlet opening being connected to the second driving chamber, first feed liquor
Hole is connected to the first driving chamber, and the second inlet opening is connected to the second driving chamber, is corresponded to and first on the second steering current divider
The position of inlet opening and the second inlet opening is respectively arranged with the first inlet tube and the second inlet tube, wherein the first inlet opening and second
Inlet opening is opened up in the circumferential misalignment of intermediate tube.
By using above-mentioned technical proposal, second turns to the drive rotation that current divider turns to current divider first, is set to the
Two turn to the first inlet tube on current dividers and the second inlet tube alternately with the first inlet opening being provided on intermediate tube and the
The connection of two inlet openings, and the first inlet opening, the second inlet opening are connected to the first driving chamber, the second driving chamber respectively, so that the
Entering in the first driving chamber and the second driving chamber for cleaner for high-pressure drilling fluid circulation is realized in the rotation process of two steering current dividers, is made
It obtains the first driving chamber and the second driving chamber generates a pressure difference, so that the carry out axial reciprocating that impact of collision hammer can be more smooth
Movement.
Preferably, the second low pressure liquid is formed there are spacing between the second steering current divider and intermediate tube
Body channel, the highly pressurised liquid channel are formed in inside the second steering current divider, wherein turning to current divider close to first in second
The one end for turning to current divider offers third inlet opening, and the third inlet opening is respectively communicated with the first low pressure liquid channel and second
Low pressure liquid channel.
By using above-mentioned technical proposal, the drilling fluid in the first low pressure liquid channel is entered using third inlet opening
To the second low pressure liquid channel, make the drilling fluid in the second low pressure liquid channel under the rotation of the second steering current divider
It can enter in the first driving chamber or the second driving chamber and make in the first driving chamber or the one of cavity of the second driving chamber
As soon as forming a low pressure chamber, another is high pressure chest relatively, so that the first driving chamber and the second driving chamber form pressure difference, driving
Impact of collision hammer moves back and forth.
Preferably, it is provided with axle bed in the impact of collision hammer seat, described second turns between current divider and axle bed
Annular groove is formed, is provided with several steel balls in the annular groove.
By using above-mentioned technical proposal, the setting of steel ball drives second to turn to current divider so that turning to current divider first
Rolling friction is converted into when rotation, the friction reduced between impact of collision hammer seat is impaired, improves service life.
Preferably, the side knock mechanism further includes the upper press cover being fixed in rotary impact hammer seat and pushing
Lid, the rotary impact hammer are set between upper press cover and lower cover, and one end of the first steering current divider is connected to lower cover
On, the other end is stretched out across upper press cover, and the outer wall and rotary impact hammer of the upper and lower gland, first turn between current divider
Steel ball is provided at mating surface.
By using above-mentioned technical proposal, the setting of upper lower cover will turn to jump bit and first first and turn to diverter shaft
To limit, and the setting of steel ball reduces frictional force in the rotary course of rotary impact hammer and the first steering current divider, improves rotation
Turn the service life of jump bit and the first steering current divider.
Preferably, be also provided with two groups of symmetrical liquid inlet and outlet channels on the rotary impact hammer seat, every group into,
Liquid outlet channel includes two feed pathways and the liquid outlet channel between two feed pathways, the upper press cover be provided with into
The upper hole of liquid channel connection, lower cover are provided with the lower opening being connected to liquid outlet channel；Symmetrically it is arranged in the rotary impact hammer
There are two arc bump, the arc bump and impact block are distributed in right-angled intersection, and are offered in the two sides of arc bump
First leakage fluid dram, the two sides of the impact block offer the second leakage fluid dram, and described first turns on the outer wall of current divider symmetrically
Setting is there are two chamber is divided, and the arc bump, which is placed in, to be divided intracavitary and abut against in the side wall of partial pressure chamber, each partial pressure chamber
Two sides are provided with sump pit, open up in the radial symmetric of the first steering current divider there are two liquid inlet channel, the liquid inlet channel and the
One turns to the inside connection of current divider, is symmetrical arranged on the lower cover there are two arc apocenosis passage, each arc drain is logical
It recycles and is connected in the rotation process that road and sump pit turn to current divider first.
By using above-mentioned technical proposal, drilling fluid is entered from the feed pathway being opened on rotary impact hammer seat to be passed through
The partial pressure that the upper hole of upper press cover enters the first steering current divider is intracavitary, pushes first to turn to current divider clockwise or counter-clockwise
Rotation drives rotary impact hammer rotation to realize rotation when the partial pressure cavity wall of the first steering current divider is abutted against with arc bump
Turn the shock between jump bit and rotary impact hammer seat, after completing one-shot, first turn to current divider on liquid inlet channel with
The second leakage fluid dram on rotary impact hammer and be connected to impact chamber, drilling fluid enters impact block and abuts against with cavity wall is impacted
Position, push rotary impact hammer counter motion, realize reciprocating impact.
Preferably, the connecting pin of the transmission shaft offers the fixing groove being connected to hollow channel, the fixing groove
It is inside provided with the protective case made of martensitic stain less steel, is offered on the inner wall of the protective case multiple with spiral-distributed
One mounting hole is provided with ball in first mounting hole, wherein the orifice diameter of the first mounting hole is less than the diameter of ball
So that ball part is placed in the outside of the first mounting hole, and is provided in the first mounting hole and to force ball always there is disengaging
The elastic component of one mounting hole movement tendency；The percussion mechanism includes the connector for being set to end, the side wall of the connector
The upper position corresponding to the first mounting hole offers multiple second mounting holes, and connector is connected through a screw thread with protective case, and two
Person's fixed rear portion ball outside installation cavity that is placed in is embedded in third mounting hole.
By using above-mentioned technical proposal, transmission shaft utilizes the connection of the protective case and percussion mechanism that are mounted in fixing groove
Head thread is connected and fixed, and protective case is made of martensitic stain less steel with high Wear-resistant corrosion-resistant performance, can be improved transmission
The bonding strength of axis and connector junction more preferably transmits torque by transmission shaft；Secondly it is that connector cooperates in protective case
Afterwards, it can be embedded in the second mounting hole of connector, be played to transmission shaft with the ball that helical arrangement is arranged on protective case inner wall
It is limited with the circumferential direction of percussion mechanism, capable of offsetting a part, the borehole wall is to reactive torque caused by percussion mechanism in drilling well, into one
Step improves the transmission efficiency of torque transmission shaft.
Preferably, multiple accommodation grooves are offered on the inner wall of the protective case, heat are installed swollen in the accommodation groove
Swollen packet is equipped with paraffin in thermal expansion packet.
By using above-mentioned technical proposal, percussion mechanism is converted to when being driven rotation by transmission shaft by mechanical energy
Partial heat energy force the thermal expansion packet expanded by heating in protective case to be fitted tightly on the outer wall of connector to improve transmission shaft
Bonding strength between connector；Secondly after paraffin expands to a certain extent, entire thermal expansion packet can be burst so that stone applies
Waterproof action is played in the junction for covering protective case and connector, reduces drilling fluid in the corrosion of junction, improves the use of device
Service life, and preferably transferred torque in percussion mechanism by transmission shaft.
Preferably, the accommodation groove is in on the helix of spiral-distributed multiple first mounting holes, and each
Accommodation groove is respectively positioned between adjacent two first mounting hole.
By using above-mentioned technical proposal, accommodation groove and the first mounting hole interval helical arrangement, so that on percussion mechanism
Pressure of the connector by the formula of gathering, and close ball using thermal expansion inclusion and play radial and circumferential dual limit to connector
Axial limiting is played in position, the threaded connection between connector and fixing groove, so that both transmission shaft and connector are consolidated with three-dimensional
Determine mode to interconnect, transmission shaft can be transferred torque on percussion mechanism with highest transmission efficiency, improve revolving speed.
In conclusion the invention has the following advantages:
1, by cleaner for high-pressure drilling fluid driving work, side knock mechanism passes through rotation for side knock mechanism and impact of collision mechanism
The shock for turning jump bit generates the cross torsion impact force of certain frequency, and impact of collision mechanism is produced by the shock that impact of collision is hammered into shape
The longitudinal impact force of raw certain frequency, the two combines so that entire percussion mechanism stroke one kind three in driving drill bit rotation process
Dimension acts impact effect, and percussion mechanism simultaneously drives rotation by transmission shaft, forms the mode of spinning of three-dimension type oscillatory type, assist drill bit
Broken rock improves bit speed and efficiency；
2, percussion mechanism and the connection of transmission shaft using multiple balls combine thermal expansion wrap axial direction, circumferential direction and the two it
Between the axial limiting that is threadedly coupled, greatly improve transmission shaft to the torque transmission efficiency of percussion mechanism, so that the rotation of percussion mechanism
Rotary speed is higher, further increases and improves bit speed and efficiency.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of rotary impact type drilling tool each section in embodiment one；
Fig. 2 is the structural schematic diagram of transmission shaft and connector junction in embodiment one；
Fig. 3 is the structural schematic diagram of transmission shaft and connector junction after fixed in embodiment one；
Fig. 4 is the structural schematic diagram that packet is thermally expanded in embodiment one；
Fig. 5 is the cross-sectional view of drilling speed percussion mechanism entirety in embodiment one；
Fig. 6 is the structural schematic diagram of rotary impact hammer seat in embodiment one；
Fig. 7 is the structural schematic diagram of rotary impact hammer in embodiment one；
Fig. 8 is the first structural schematic diagram for turning to current divider in embodiment one；
Fig. 9 is rotary impact hammer seat in embodiment one, rotary impact hammer and showing after the first steering current divider three cooperation
It is intended to；
Figure 10 is that intermediate tube and second turns to state diagram of the current divider in the first cooperation position in embodiment one；
Figure 11 is that intermediate tube and second turns to state diagram of the current divider in the second cooperation position in embodiment one；
Figure 12 is in schematic diagram when the first operating position for side knock mechanism in embodiment one；
Figure 13 is in schematic diagram when the second operating position for side knock mechanism in embodiment one；
Figure 14 is in schematic diagram when third operating position for side knock mechanism in embodiment one；
Figure 15 is in schematic diagram when four operating positions for side knock mechanism in embodiment one；
Figure 16 is in schematic diagram when five operating positions for side knock mechanism in embodiment one.
In figure: 1a, by-pass valve assembly；2a, anti-lost assembly；3a, motor assembly；4a, universal axle assembly；5a, transmission shaft are total
At；51a, transmission shaft；511a, hollow channel；51b, protective case；511b, the first mounting hole；512b, ball；513b, elastic component；
514b, thermal expansion packet；1b, percussion mechanism；11b, connector；111b, the second mounting hole；1c, drill bit；1, drill-bit installing seat；2,
Side knock mechanism；21, rotary impact hammer seat；211, feed pathway；212, liquid outlet channel；213, chamber is impacted；2131, slideway；
22, rotary impact hammer；221, impact block；2211, the second leakage fluid dram；2212, punching groove；222, arc bump；2221, first row
Liquid mouth；23, first current divider is turned to；231, chamber is divided；232, sump pit；233, liquid inlet channel；234, the first low pressure liquid channel；
24, upper press cover；25, lower cover；251, arc apocenosis passage；3, impact of collision mechanism；31, seat is hammered in impact of collision into shape；32, Zong Xiangchong
Hit portion；321, upper striker；322, lower striker；323, impact of collision is hammered into shape；324, the first driving chamber；325, the second driving chamber；
33, linkage portion；331, intermediate tube；3311, the first inlet opening；3312, the second inlet opening；332, second current divider is turned to；3321,
First inlet tube；3322, the second inlet tube；3323, highly pressurised liquid channel；3324, the second low pressure liquid channel；3325, third
Inlet opening；4, nozzle；5, steel ball；6, axle bed.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one
Referring to Fig. 1, a kind of rotary impact type drilling tool, including passing sequentially through the by-pass valve assembly 1a of threaded connection, preventing
Fall assembly 2a, motor assembly 3a, universal axle assembly 4a and driving-shaft assembly 5a, above-mentioned structure is same as the prior art not to be done
It is described in detail.Driving-shaft assembly 5a includes the transmission shaft 51a with hollow channel, and one end of transmission shaft 51a is connected by screw thread
It is connected to percussion mechanism 1b, the separate one end connecting with transmission shaft 51a percussion mechanism 1b is further through being threaded with drill bit 1c, the brill
Head 1c is PDC drill bit.
Referring to fig. 2 with Fig. 3, one end of transmission shaft 51a offers fixing groove, and fixing groove is in truncated cone-shaped and and hollow channel
511a connection, and towards one end of notch be big end.Protective case 51b, the foreign steamer profile of protective case 51b are installed in fixing groove
Shape matches with the cell wall of fixing groove, and protective case 51b is made of martensitic stain less steel, and is connected by welding manner and fixing groove
It connects.
Offer multiple first mounting hole 511b, each first mounting hole in a spiral manner on the inner wall of protective case 51b
Ball 512b is embedded in 511b, wherein the orifice diameter of the first mounting hole 511b is less than the diameter of ball 512b, so that
Ball 512b after being fit into the first mounting hole 511b without departing from；Elastic component is also equipped in the first mounting hole 511b
513b, elastic component 513b are compressed spring, and one end of elastic component 513b is connected to the hole bottom of the first mounting hole 511b, the other end
It is abutted with ball 512b, before installing ball 512b, the orifice diameter of the first mounting hole 511b is larger than the straight of ball 512b
Diameter, and elastic component 513b is placed into the first mounting hole 511b first, then will be put into the first mounting hole 511b, most
Shrinkage cavity processing is carried out to the aperture of the first mounting hole 511b afterwards, so that orifice diameter is reduced to the diameter less than ball 512b.
Multiple accommodation grooves are also provided on the inner wall of protective case 51b, multiple accommodation grooves are opened in spiral-distributed multiple
On the helix of one mounting hole 511b, thermal expansion packet 514b is installed in accommodation groove, reference can be made to Fig. 4, thermal expansion packet 514b's
Inside is filled with paraffin, and paraffin props up entire backpack body.
The end of percussion mechanism 1b has the connector 11b cooperated with protective case 51b, and connector 11b is in truncated cone-shaped and protects
The inner wall shape of sheath 51b matches, and the inner wall of protective case 51b is tapped with internal screw thread, and the outer wall of connector 11b is provided with outer spiral shell
Line, both connector 11b and protective case 51b are connected through a screw thread fixation；Multiple second are offered on the outer wall of connector 11b
Mounting hole 111b, multiple second mounting hole 111b's equally opens up in a spiral manner, and pacifies with multiple first on protective case 51b
It is corresponding to fill the position hole 511b, after connector 11b is connect with protective case 51b, the first mounting hole 511b and the second mounting hole 111b
An installation cavity is formed, and ball 512b is made to be placed on the part rolling outside the first mounting hole 511b by the effect of elastic component 513b
Pearl 512b is embedded into the second mounting hole 111b.
Referring to Fig. 5, above-mentioned percussion mechanism, including drill-bit installing seat 1, side knock mechanism 2 and impact of collision mechanism
3, drill-bit installing seat 1 is fixed on one end of side knock mechanism 2, and impact of collision mechanism 3 is fixed on side knock mechanism 2 far from brill
One end of head mounting base 1.
Side knock mechanism 2 include rotary impact hammer seat 21, the rotary impact hammer 22 in rotary impact hammer seat 21 with
And first in rotary impact hammer 22 turns to current divider 23, is fixed with upper press cover by screw in rotary impact hammer seat 21
24 are placed between upper press cover 24 and lower cover 25 with lower cover 25, rotary impact hammer 22, and pass through upper press cover 24 and lower cover 25
The axial displacement of rotary limited jump bit 22, the first steering current divider 23 are provided with nozzle 4 close to one end of drill-bit installing seat 1,
The other end stretches out upper press cover 24；At mating surface between rotary impact hammer 22 and upper and lower gland 24,25 and first turns to shunting
Multiple steel balls 5 are provided at the mating surface of device 23 and upper and lower gland 24,25, are turned to reducing rotary impact hammer 22 and first
Frictional force when current divider 23 rotates between upper and lower gland 24,25.
Referring to Fig. 6 to Fig. 8, rotary impact hammer seat 21, rotary impact hammer 22 and the first steering current divider are respectively illustrated
23 structural schematic diagram, rotary impact hammer seat 21 are a cylinder, symmetrically open up that there are two fan-shaped impact chambers inside it
213, two groups of symmetrically arranged liquid inlet and outlet channels 211,212, every group of liquid inlet and outlet are also provided between two impact chambers 213
Channel 211,212 includes two feed pathways 211 and the liquid outlet channel 212 between two feed pathways 211.
The outer wall of rotary impact hammer 22 is arranged symmetrically, and there are two fan-shaped impact blocks 221, in the inner wall of rotary impact hammer 22
Place is symmetrical arranged there are two arc bump 222, and two arc bumps 222 are just distributed with two impact blocks 221 in right-angled intersection,
The two sides of every piece of arc bump 222 offer the first leakage fluid dram 2221, and offer the second drain in the two sides of impact block 221
Mouth 2211, the first leakage fluid dram 2221 is connected to the inside of rotary impact hammer 22 with the second leakage fluid dram 2211.
The first low pressure liquid channel 234 that perforation is offered in the middle part of first steering current divider 23, is symmetrically opened in its outer wall
If there are two chamber 231 is divided, the two sides of each partial pressure chamber 231 offer sump pit 232；In the diameter that first turns to current divider 23
It is opened up on direction there are two liquid inlet channel 233, which is connected to the first low pressure liquid channel 234 at middle part.
Referring to Fig. 9, after rotary impact hammer seat 21, rotary impact hammer 22 and first turn to 23 three of current divider cooperation, rotation
Turn impact block 221 on jump bit 22 to be placed in the impact chamber 213 of rotary impact hammer seat 21, and the fan-shaped face paste of impact block 221
Together in the side wall of impact chamber 213；Arc bump 222 is placed in the partial pressure chamber 231 of the first steering current divider 23 on rotary impact hammer 22
Interior, the fan-shaped surface of same arc bump 222 fits in the side wall of partial pressure chamber 231；Secondly rotary impact hammer seat 21 after three's cooperation
On feed pathway 211 can on rotary impact hammer 22 the second leakage fluid dram 2211 and first turn to current divider 23 partial pressure chamber
231 are mutually conducted, the impact chamber 213 on rotary impact hammer seat 21 can on rotary impact hammer 22 the first leakage fluid dram 2221 and
Liquid inlet channel 233 on first steering current divider 23 is mutually conducted.
Fig. 5 is come back to, impact of collision mechanism 3 includes impact of collision hammer seat 31, indulging in impact of collision hammer seat 31
To impact portion 32 and linkage portion 33, wherein the end of impact of collision hammer seat 31 is arranged in connector 11b, and seat 31 is hammered in impact of collision into shape
One end and one end of rotary impact hammer seat 21 far from connector 11b are connected and fixed, impact of collision portion 32 include be fixed on it is vertical
Upper striker 321 and lower striker 322 into jump bit seat 31 are provided with longitudinal direction between upper and lower striker 321,322
Jump bit 323, forms the first driving chamber 324 between upper striker 321 and impact of collision hammer 323, lower striker 322 is rushed with longitudinal
The second driving chamber 325 is formed between hammer 323.
Second steering current divider 332 of the above-mentioned linkage portion 33 including intermediate tube 331 and in intermediate tube 331, in
Between pipe 331 both ends it is fixed with upper and lower striker 321,322 respectively, second turns to one end of current divider 332 and side knock machine
The first steering current divider 23 in structure 2 is connected and fixed, and the two, which is realized, to be rotated synchronously, and the first feed liquor is offered on intermediate tube 331
Hole 3311 and the second inlet opening 3312, wherein the first inlet opening 3311 is connected to the first driving chamber 324, the second inlet opening 3312 with
The connection of second driving chamber 325, and the first inlet opening 3311 and the second inlet opening 3312 misplace arrangement in the circumferential；At second turn
Correspond at the position of the first inlet opening 3311 and the second inlet opening 3312 on current divider 332 and offers the first inlet tube respectively
3321 and second inlet tube 3322, and the first inlet tube 3321 and the second inlet tube 3322 with the inner wall phase of intermediate tube 331
Fitting.
Second turn to current divider 332 internal run-through formed highly pressurised liquid channel 3323, the highly pressurised liquid channel 3323 with
First turns to the first low pressure liquid channel 234 connection of current divider 23, turns to current divider 332 second and turns to shunting close to first
One end of device 23 is provided with throttling set (not shown), and high pressure liquid throttling is converted to low pressure liquid using the throttling set.
Furthermore the second low pressure liquid is formed there are spacing between the second steering current divider 332 and the inner wall of intermediate tube 331 to lead to
Road 3324 offers third inlet opening 3325 in one end close to the first steering current divider 23 of the second steering current divider 332, should
Third inlet opening 3325 is respectively communicated with the first low pressure liquid channel 234 and the second low pressure liquid channel 3324.Simultaneously at second turn
It is additionally provided with an axle bed 6 close to one end of the first steering current divider 23 to current divider 332, which is fixed on impact of collision hammer
In seat 31, annular groove is formed between the second steering current divider 332 and axle bed 6, in being provided with multiple steel balls 5 in annular groove, in this way
Reduce the frictional force when rotation of the second steering current divider 332.
The course of work of the rotary impact type drilling tool are as follows: slush pump squeezes into drilling fluid from by-pass valve assembly 1a, when
Reach the drilling fluid when valve body after certain pressure in by-pass valve assembly 1a moves downward and enters motor by bleeding off assembly 2a
In assembly 3a, rotor is driven to do planetary motion in stator, which is changed into biography by universal axle assembly 4a by rotor
The dead axle of moving axis 51a moves, and transmission shaft 51a finally drives percussion mechanism 1b and drill bit 1c to rotate broken rock.
Fig. 5 and Figure 10, Figure 11 are specifically combined, partial high pressure drilling fluid enters the height in the second steering current divider 332
In press liquid channel 3323, become low pressure liquid by the throttling partial pressure of throttling set, and turn on current divider 332 by second
Third inlet opening 3325 enter in the second low pressure liquid channel 3324.Second, which turns to current divider 332, turns to shunting first
It is rotated under the drive of device 23, so that the cooperation for turning to current divider 332 and intermediate tube 331 by second recycles conducting, makes the first drive
One in dynamic chamber 324 and the second driving chamber 325 when being connected to the second low pressure liquid channel 3324, the first driving chamber 324 and the
Another in two driving chambers 325 is connected to highly pressurised liquid channel 3323.
When the second steering current divider 332 turns an angle, the second inlet opening 3312 is connected to the second inlet tube 3322,
To make highly pressurised liquid channel 3323 be connected to the second driving chamber 325, cleaner for high-pressure drilling fluid passes through highly pressurised liquid channel 3323, second
Inlet opening 3312 and the second inlet tube 3322 enter in the second driving chamber 325.At this point, being high pressure liquid in the second driving chamber 325
Body is low pressure liquid in the first driving chamber 324, therefore, impact of collision hammer 323 can be pushed to one far from drill bit connector 1
Side movement.
When the second steering current divider 332 is rotated further by certain angle, the first inlet opening 3311 and the first inlet tube 3321 connect
Logical, so that highly pressurised liquid channel 3323 be made to be connected to the first driving chamber 324, highly pressurised liquid passes through highly pressurised liquid channel 3323, the
One inlet opening 3311 and the first inlet tube 3321 enter in the first driving chamber 324.At this point, being high pressure in the first driving chamber 324
Liquid is low pressure liquid in the second driving chamber 325, therefore, can be hammered into shape 323 with impact of collision to the side close to drill bit connector 1
Movement.It and so on acts, generates the longitudinal impact force of certain frequency.
In conjunction with Fig. 5 and Figure 12 to Figure 15, a part of drilling fluid can be gone out by through-hole overflow on the first steering current divider 23
Enter in the feed pathway 211 that the upper hole from upper press cover 24 enters rotary impact hammer seat 21, the setting of arc bump 222 two sides
The first leakage fluid dram 2221 be respectively communicated with feed pathway 211 and liquid outlet channel 212, cleaner for high-pressure drilling fluid enters in partial pressure chamber 231
And the first steering current divider 23 is pushed to rotate clockwise.
Referring specifically to Figure 13, when the arc bump 222 of rotary impact hammer 22 encounters the inner wall of partial pressure chamber 231, first turn
The second leakage fluid dram 2211 on the liquid inlet channel 233 and rotary impact hammer 22 of current divider 23 is corresponding, impacts chamber 213 and liquid inlet channel
233 connections, the other half of impact chamber 213 are connected to sump pit 232, arc apocenosis passage 251, and drilling fluid can be turned to through first to be divided
First low pressure liquid channel 234 of stream device 23, liquid inlet channel 233, the second leakage fluid dram 2211 enter in impact chamber 213, make to rotate
Jump bit 22 rotates counterclockwise under the promotion of drilling fluid, and the first steering current divider 23 is driven to rotate counterclockwise.
Referring to Figure 14, when stopping operating after the inner wall that the impact block 221 of rotary impact hammer 22 encounters impact chamber 213, into
Liquid channel 211 is connected to feed liquor with partial pressure chamber 231 by the first leakage fluid dram 2221, and divides another part and liquid out of chamber 231
Channel 212 is connected to drain, and the first steering current divider 23 rotates counterclockwise.
Referring to Figure 15, when the arc bump 222 of rotary impact hammer 22 encounters partial pressure 231 inner wall of chamber, first turns to shunting
The second leakage fluid dram 2211 on the liquid inlet channel 233 and rotary impact hammer 22 of device 23 is corresponding, impacts chamber 213 and liquid inlet channel at this time
Another part of 233 connections, impact chamber 213 is connected to drain with sump pit 232, arc apocenosis passage 251, pushes rotary impact hammer
22 rotate clockwise, and the first steering current divider 23 is driven to rotate clockwise.
Referring finally to Figure 16, stop operating after the inner wall of the 221 impact chamber 213 of impact block of rotary impact hammer 22.
It and so on acts, generates the lateral impact forces of certain frequency.
Application Example
Using the field test situation analysis of this rotary impact type drilling tool, test period on April 1st, 2016.
Table 1: test interval table
| Layer position | Push up deep (rice) | Bottom is deep (rice) |
| Group one | 210 | 485 |
| Group two | 485 | 685 |
| Group three | 685 | 966 |
| Group four | 966 | 1236 |
Table 2: the drilling speed contrast table of different drilling tools
It is learnt by table 2, significantly improves bit speed using the drilling tool in embodiment one, compared to existing drilling tool speed
Degree about promotes 60% or so.By generating the cross torsion impact force and axial impact force of certain frequency to drill bit, one is formed
The effect of kind three-dimensional motion impact, and the bonding strength between transmission shaft 51a and percussion mechanism 1b is improved, so as to auxiliary drill
Head broken rock, improves drill bit rock breaking capacity, improves in, the bit speed and drilling efficiency of hard formation, while being able to solve PDC brill
Viscous, sliding, the bit freezing problem of head slow down the torsion shake of down-hole equipment, extend drilling life of bit, by right in practical work process
The test of above-mentioned drilling well percussion mechanism is it is found that be same well, same layer exclusive use PDC using the drilling efficiency of the drilling well percussion mechanism
2-3 times of drill bit, drilling efficiency is obviously improved.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (7)
1. a kind of rotary impact type drilling tool, including sequentially connected by-pass valve assembly (1a), anti-lost assembly (2a), motor
Assembly (3a), universal axle assembly (4a) and driving-shaft assembly (5a), the driving-shaft assembly (5a) include internal with hollow logical
The transmission shaft (51a) in road, which is characterized in that one end of the transmission shaft (51a) is connected with percussion mechanism (1b), the impact dress
The end for setting (1b) is connected with drill bit (1c)；The percussion mechanism (1b) includes impact of collision mechanism (3) and cross setting up and down
To beater mechanism (2), the side knock mechanism (2) includes rotary impact hammer seat (21), is rotationally connected with rotary impact hammer seat
(21) rotary impact hammer (22) in and the first steering current divider (23) in rotary impact hammer (22)；Longitudinal punching
Hitting mechanism (3) includes impact of collision hammer seat (31), the impact of collision portion (32) being set in impact of collision hammer seat (31) and by the
One turn to current divider (23) drive linkage portion (33), the linkage portion (33) include intermediate tube (331) and be set to intermediate tube
(331) second in turns to current divider (332), past under the driving that the rotary impact hammer (22) turns to current divider (23) first
Multiple rotary motion, while the impact of collision portion (32) reciprocating longitudinal motion under the driving of linkage portion (33)；
The connecting pin of the transmission shaft (51a) offers the fixing groove being connected to hollow channel (511a), and fixing groove is in truncated cone-shaped
And towards one end of notch be big end, the protective case made of martensitic stain less steel is provided with by welding in the fixing groove
The outer contour shape of (51b), protective case (51b) match with the cell wall of fixing groove, open up on the inner wall of the protective case (51b)
Have multiple with spiral-distributed first mounting hole (511b), be provided with ball (512b) in first mounting hole (511b),
In the orifice diameter of the first mounting hole (511b) be less than the diameter of ball (512b) and make ball (512b) that can partially be placed in first
The outside of mounting hole (511b), and be provided in the first mounting hole (511b) and force ball (512b) that there is disengaging first always
The elastic component (513b) of mounting hole (511b) movement tendency；The percussion mechanism (1b) includes the connector for being set to end
(11b), the position on the side wall of the connector (11b) corresponding to the first mounting hole (511b) offer multiple second mounting holes
(111b), connector (11b) are connected through a screw thread with protective case (51b), and the two fixed rear portion is placed in the rolling outside installation cavity
Pearl (512b) is embedded in the second mounting hole (111b)；
Multiple accommodation grooves are offered on the inner wall of the protective case (51b), thermal expansion packet (514b) is installed in the accommodation groove,
Paraffin is installed in the thermal expansion packet (514b)；The accommodation groove is in spiral-distributed multiple first mounting holes (511b)
Helix on, and each accommodation groove is respectively positioned between adjacent two first mounting hole (511b).
2. rotary impact type drilling tool according to claim 1, which is characterized in that the impact of collision portion (32) includes
Impact of collision hammers (323) into shape and the upper striker (321) and lower striker that are set to the upper and lower ends of impact of collision hammer (323)
(322), it is formed with the first driving chamber (324) between the upper striker (321) and impact of collision hammer (323), the lower impact
The second driving chamber (325) are formed between seat (322) and impact of collision hammer (323)；Described first turns to the interior of current divider (23)
Portion is provided with the first low pressure liquid channel (234), is provided with and first low pressure liquid channel in the linkage portion (33)
(234) the highly pressurised liquid channel (3323) and the second low pressure liquid channel (3324) being connected to, when first driving chamber (324) and
One in second driving chamber (325) when being connected to second low pressure liquid channel (3324), first driving chamber (324)
Driving impact of collision hammer is connected to another in second driving chamber (325) with the highly pressurised liquid channel (3323)
(323) axial movement.
3. rotary impact type drilling tool according to claim 2, which is characterized in that described second turns to current divider
(332) current divider (23) are turned to first to connect and rotate synchronously；It is offered and the first driving chamber on the intermediate tube (331)
(324) the first inlet opening (3311) being connected to and the second inlet opening (3312) for being connected to the second driving chamber (325), described the
One inlet opening (3311) is connected to the first driving chamber (324), and the second inlet opening (3312) is connected to the second driving chamber (325), institute
Correspondence on the second steering current divider (332) is stated to be respectively set with the first inlet opening (3311) and the position of the second inlet opening (3312)
There are the first inlet tube (3321) and the second inlet tube (3322), wherein the first inlet opening (3311) and the second inlet opening (3312) In
The circumferential misalignment of intermediate tube (331) opens up.
4. rotary impact type drilling tool according to claim 3, which is characterized in that described second turns to current divider
(332) the second low pressure liquid channel (3324) is formed there are spacing between intermediate tube (331), the highly pressurised liquid is logical
It is internal that road (3323) is formed in the second steering current divider (332), wherein turning to current divider (332) close to the first steering point in second
One end of stream device (23) offers third inlet opening (3325), and the third inlet opening (3325) is respectively communicated with the first low pressure liquid
Channel (234) and the second low pressure liquid channel (3324).
5. rotary impact type drilling tool according to claim 3, which is characterized in that in impact of collision hammer seat (31)
It is provided with axle bed (6), forms annular groove, setting in the annular groove between second steering current divider (332) and axle bed (6)
There are several steel balls (5).
6. rotary impact type drilling tool according to claim 3, which is characterized in that the side knock mechanism (2) is also
Including the upper press cover (24) being fixed in rotary impact hammer seat (21) and lower cover (25), the rotary impact hammer (22) is set to upper
Between gland (24) and lower cover (25), described first one end for turning to current divider (23) is connected on lower cover (25), another
End is stretched out across upper press cover (24), and the outer wall and rotary impact hammer (22) of the upper and lower gland (24,25), first, which turn to, to be shunted
Steel ball (5) are provided at mating surface between device (23).
7. rotary impact type drilling tool according to claim 3, which is characterized in that on the rotary impact hammer seat (21)
Be also provided with two groups of symmetrical liquid inlet and outlet channels (211,212), every group of liquid inlet and outlet channel (211,212) include two into
Liquid channel (211) and the liquid outlet channel (212) between two feed pathways (211), the upper press cover (24) be provided with into
The upper hole of liquid channel (211) connection, lower cover (25) are provided with the lower opening being connected to liquid outlet channel (212)；The rotary impact
Two arc bumps (222) are symmetrically arranged in hammer (22), the arc bump (222) and impact block (221) are handed in cross
Fork distribution, and offered the first leakage fluid dram (2221) in the two sides of arc bump (222), the two sides of the impact block (221)
It offers the second leakage fluid dram (2211), arranged symmetrically on the outer wall of first steering current divider (23) there are two divide chamber
(231), the arc bump (222) is placed in partial pressure chamber (231) and abuts against in the side wall of partial pressure chamber (231), each partial pressure
The two sides of chamber (231) are provided with sump pit (232), open up in the radial symmetric that first turns to current divider (23) there are two feed liquor
Road (233), the inside that the liquid inlet channel (233) turns to current divider (23) with first are connected to, symmetrically set on the lower cover (25)
It sets there are two arc apocenosis passage (251), each arc apocenosis passage (251) turns to current divider first with sump pit (232)
(23) conducting is recycled in rotation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125553.3A CN106761388B (en) | 2017-03-04 | 2017-03-04 | Rotary impact type drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125553.3A CN106761388B (en) | 2017-03-04 | 2017-03-04 | Rotary impact type drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761388A CN106761388A (en) | 2017-05-31 |
| CN106761388B true CN106761388B (en) | 2019-12-03 |
Family
ID=58961267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710125553.3A Expired - Fee Related CN106761388B (en) | 2017-03-04 | 2017-03-04 | Rotary impact type drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761388B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780831B (en) * | 2017-10-24 | 2019-05-10 | 西南石油大学 | Double frequency axial impact tool |
| CN109930987A (en) * | 2017-12-19 | 2019-06-25 | 中石化石油工程技术服务有限公司 | A kind of mechanical liquid type rock crushing tool, the drill string of multi-load coupling |
| CN108360974A (en) * | 2018-04-12 | 2018-08-03 | 中国石油大学(北京) | Composite impact tool |
| CN108756732A (en) * | 2018-08-02 | 2018-11-06 | 西南石油大学 | Circumferential impactor based on screw rod and spring |
| CN110566120B (en) * | 2019-09-11 | 2021-01-08 | 中煤科工集团西安研究院有限公司 | Multi-power directional combined drilling tool for hard rock of coal mine underground coal seam bottom plate and hole forming method thereof |
| CN111255374B (en) * | 2020-02-21 | 2021-04-13 | 南通大学 | Anti-drill-sticking device and method for circumferential impact |
| CN111577120B (en) * | 2020-04-29 | 2021-08-20 | 北京工业大学 | Torsional impact screw drill |
| CN111577133B (en) * | 2020-04-30 | 2021-08-13 | 中国石油天然气集团有限公司 | Two-stage throttling-based rotary steering instruction downloading method |
| CN112065269B (en) * | 2020-09-17 | 2022-09-27 | 浙江睿智钢业有限公司 | Three-dimensional vibration drilling rock breaking device |
| CN112324332A (en) * | 2020-10-19 | 2021-02-05 | 万晓跃 | Controllable-track lateral drilling tool and method |
| CN113020013B (en) * | 2021-03-11 | 2022-08-19 | 中铁隧道局集团有限公司 | Shield constructs machine knife dish mud cake excitation cleaning device |
| CN113107435A (en) * | 2021-04-29 | 2021-07-13 | 南方海洋科学与工程广东省实验室(湛江) | Internal and external linkage type jet crushing tool for natural gas hydrate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256007A (en) * | 2013-05-24 | 2013-08-21 | 中国石油大学(北京) | Underground dynamic pressurizing drilling rig |
| CN103291213A (en) * | 2013-03-29 | 2013-09-11 | 温州加达机械制造有限公司 | Water pressure torsional impact device for well drilling |
| CN105421996A (en) * | 2015-11-23 | 2016-03-23 | 西南石油大学 | Drilling tool for breaking rocks by producing compound action through rotary-percussion mode |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7832502B2 (en) * | 2008-02-08 | 2010-11-16 | Javins Corporation | Methods and apparatus for drilling directional wells by percussion method |
| JP5774147B2 (en) * | 2014-01-28 | 2015-09-02 | 三和地下工事株式会社 | Blow-type drilling fluid injection device and high-pressure injection ground improvement method |
| CN104975806A (en) * | 2014-04-06 | 2015-10-14 | 江苏贵鑫石油装备有限公司 | Efficient and durable PDM drill |
| CN104912478B (en) * | 2015-04-23 | 2017-09-05 | 中海油研究总院 | Drilling well percussion mechanism |
-
2017
- 2017-03-04 CN CN201710125553.3A patent/CN106761388B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291213A (en) * | 2013-03-29 | 2013-09-11 | 温州加达机械制造有限公司 | Water pressure torsional impact device for well drilling |
| CN103256007A (en) * | 2013-05-24 | 2013-08-21 | 中国石油大学(北京) | Underground dynamic pressurizing drilling rig |
| CN105421996A (en) * | 2015-11-23 | 2016-03-23 | 西南石油大学 | Drilling tool for breaking rocks by producing compound action through rotary-percussion mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761388A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106761388B (en) | Rotary impact type drilling tool | |
| CN104832083B (en) | Helicoid hydraulic motor and its rock-breaking and well-drilling method | |
| CN206071449U (en) | Drilling speed percussion mechanism | |
| CN108708672B (en) | A kind of circumferential direction axial vacuum impact speed-raising tool | |
| CN105672873B (en) | A kind of high frequency reverses and axial double direction impulse device | |
| CN105201402B (en) | Torsional pulse drilling rig | |
| CN103256007B (en) | Underground dynamic pressurizing drilling rig | |
| CN102213074B (en) | Rotary impact type rock drilling machine and double-layer drilling rod mechanism | |
| CN104453704B (en) | A kind of hydraulic drill rig top hammer formula impact rotary power head | |
| CN107842317A (en) | Hard-rock boring punching composite drill bit | |
| CN202990851U (en) | Screw type high-frequency percussion drilling tool | |
| CN206129207U (en) | Novel oscillatory surge ware based on turbine and cam | |
| CN205840769U (en) | A kind of underground hydraulic rotary impact device | |
| CN106639943A (en) | High-frequency torsion-restoration axial vibration impacting tool | |
| CN107664015A (en) | Screw double acting speed-raising instrument | |
| CN212079204U (en) | High-power drilling torsion impact speed-increasing tool | |
| CN108104715A (en) | Torsion impact device based on turbine and gear | |
| CN106703686A (en) | Pulsed-jet longitudinal impactor | |
| CN202926511U (en) | Drilling power tool and novel drilling tool | |
| CN202047742U (en) | Rotary percussion type rock drilling machine and double-layer drill rod mechanism | |
| CN104329019B (en) | High-frequency drilling impactor | |
| CN105209709B (en) | For the high-frequency jump bit for the flowing pressure driving crept into hard formation | |
| CN105178860B (en) | Torsional pendulum oscillator | |
| US20160153236A1 (en) | Percussion hammer bit | |
| AU2002354376B2 (en) | Liquid driven downhole drilling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20200304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |