CN108612480A - A kind of vortex pulse shock drill bit - Google Patents
A kind of vortex pulse shock drill bit Download PDFInfo
- Publication number
- CN108612480A CN108612480A CN201810692727.9A CN201810692727A CN108612480A CN 108612480 A CN108612480 A CN 108612480A CN 201810692727 A CN201810692727 A CN 201810692727A CN 108612480 A CN108612480 A CN 108612480A
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- drill bit
- pdc drill
- top connection
- wing
- ontology
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- 230000035939 shock Effects 0.000 title claims abstract description 54
- 229910003460 diamond Inorganic materials 0.000 claims description 36
- 239000010432 diamond Substances 0.000 claims description 36
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 34
- 239000011435 rock Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 230000035515 penetration Effects 0.000 abstract description 5
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 3
- 238000009527 percussion Methods 0.000 abstract description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 7
- 230000000737 periodic effect Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 210000003462 vein Anatomy 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
-
- 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
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- 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 kind of vortex pulse shock drill bits, including PDC drill bit ontology and top connection, wherein it is connected to inside the connection top connection of PDC drill bit ontology and PDC drill bit ontology and top connection, the PDC drill bit chamber body is provided with and its integrally formed runner distributor, the top connection inner cavity is provided with vortex pulse inner core, wherein vortex pulse inner core one end is embedded in runner distributor.There is the present invention vortex pulse shock drill bit of percussion can carry out pre-impact effect to rock, substantially reduce the intensity of rock, discharge the stress of surrounding rock, since rock stress discharges, so that the stick slip vibration of suffered cross force and drilling rod substantially reduces in the secondary drilling process of PDC drill bit, the service life of drill bit and drilling tool is greatly enhanced, reduces lower brill time and cost, alleviate significantly in sliding construction and drag pressure phenomenon, to improve the stability and rate of penetration of drilling well.
Description
Technical field
The invention belongs to the mechanical drilling tool technical fields of petroleum resources exploitation more particularly to a kind of vortex pulse shock to bore
Head.
Background technology
With the increase both at home and abroad to Oil And Gas Exploration And Development dynamics so that petroleum resources exploit work gradually to depth
Well, ultradeep well and the development of complicated bad ground, drill bit is that the tool of rock is directly acted in oil/gas drilling exploitation, however traditional
PDC drill bit in drilling process, efficiency of breaking rock is low, and rotating speed is slow, sliding drag pressure to happen occasionally, cannot be satisfied synergy of raising speed instantly
Drilling technology requirement, the then adaptability of the length of bit life, drill bit and rock bores to improving rate of penetration and reducing
Well cost plays an important role.
Most commonly used PDC drill bit in current oil drilling well, conventional PDC drill bit often go out in compound and sliding construction
How phenomena such as existing tool-face is unstable, and pressure is dragged in sliding reduces inefficient construction of the PDC drill bit in sliding process, enhancing drilling
Efficiency of breaking rock in the process is our urgent problems.
Hydraulic oscillation tool is the new technology quickly grown in recent years, and general use installs hydraulic oscillation in drilling tool
Tool reaches and slows down drill bit and drag pressure, but installation site drags pressure effect to reach generally 80 meters away from drill bit left and right positions to slowing down drill bit
Less than desired effect, therefore a kind of effective solution drill bit of research and development drags the drill bit of pressure to have very much market prospects.
Invention content
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of vortex pulse shock drill bit is provided, is overcome
In the prior art 1：Efficiency of breaking rock is low, and rotating speed is slow, and 2：Tool-face is unstable, easy tos produce drill bit sliding and drags pressure phenomenon, and 3：It bores
The problems such as stability of well is poor.
In order to solve technical problem, the technical scheme is that：A kind of vortex pulse shock drill bit, including PDC drill bit
Ontology and top connection, wherein PDC drill bit ontology connect top connection and are connected to inside PDC drill bit ontology and top connection, the PDC
Drill body inner cavity, which is provided with, to be provided with its integrally formed runner distributor, the top connection inner cavity in vortex pulse
Core, wherein vortex pulse inner core one end is embedded in runner distributor.
Preferably, the PDC drill bit ontology is additionally provided with PDC drill bit wing, chip space, bit nozzle hydrophthalmia and shock resistance gold
Hard rock composite sheet is wherein provided with multiple PDC drill bit wings, is set on the multiple PDC drill bit wing on PDC drill bit ontology crown
Multiple shock resistance diamond compacts are equipped with, wherein the gap location of two neighboring PDC drill bit wing is provided with bit nozzle hydrophthalmia,
It is connected to inside the bit nozzle hydrophthalmia and runner distributor.
Preferably, the shock resistance diamond compact is set to side of the PDC drill bit wing far from PDC drill bit ontology side
Along place, wherein shock resistance diamond compact place plane and horizontal plane.
Preferably, the PDC drill bit wing includes the operator wing and secondary wing, wherein the number of the operator wing is two, secondary knife
The number of the wing is four, and described two one side ends of the operator wing connect and in the U-shaped setting of PDC drill bit ontology crown, wherein secondary
Wing is respectively arranged at two-by-two on the both sides PDC drill bit ontology crown that two operator wings divide PDC drill bit ontology crown.
Preferably, it is equipped with chip space between the operator wing/pair wing and secondary wing, is wherein provided with drill bit on chip space
The number of nozzle port, the chip space and bit nozzle hydrophthalmia is six.
Preferably, the top connection includes top connection shell, top connection screw thread female thread, top connection pressure cap and connection screw thread,
Wherein top connection enclosure interior penetrates through, and the top connection shell one end is equipped with top connection screw thread female thread, and the other end is equipped with connection spiral shell
Line, top connection housing cavity side are provided with vortex pulse inner core, close to vortex pulse inner core wherein in top connection shell
End is equipped with top connection pressure cap, and PDC drill bit ontology one end is equipped with PDC drill bit body screw thread, wherein PDC drill bit body screw thread
Screw thread is threadedly coupled with top connection screw thread female thread.
Preferably, the top connection shell is equipped with bit port close to one end of connection screw thread.
Preferably, the vortex pulse inner core is provided centrally with vortex impulse hunting inner core runner, wherein vortex pulse is shaken
It is in the figure of eight to swing inner core runner.
Compared with the existing technology, the advantage of the invention is that：
（1）There is the present invention vortex pulse shock drill bit of percussion can carry out pre-impact effect to rock, substantially reduce
The intensity of rock discharges the stress of surrounding rock, since rock stress discharges so that suffered in the secondary drilling process of PDC drill bit
The stick slip vibration of cross force and drilling rod substantially reduces, and greatly enhances the service life of drill bit and drilling tool, reduces
Lower brill time and cost, significantly alleviate sliding construction in drag pressure phenomenon, largely improve PDC drill bit cross force and
The stick slip vibration of drilling rod extends the service life of drill bit and drilling tool to improve the stability and rate of penetration of drilling well, realizes
The drilling technology growth requirement of speed-raising synergy；
（2）The present invention is vortexed pulse inner core and drill bit axial-radial periodic swinging effect can be improved, and improves in drill bit sliding construction
Construction efficiency, to improve stability, the rate of penetration of drilling well；
（3）Structure of the invention is smooth, manufacturing process is simple, efficiency of breaking rock is high, and rotating speed is fast, can be widely applied to deep-well, ultra-deep
Well and complicated difficult bore in strata drilling operation process.
Description of the drawings
The structural schematic diagram of Fig. 1, the present invention；
The half section structure diagram of Fig. 2, the present invention.
Reference sign：
1- connection screw threads, 2- shock resistance diamond compacts, 3- top connection shells, 4- are vortexed impulse hunting inner core runner, 5- streams
Road distributor, 6- bit nozzle hydrophthalmias, 7- are vortexed pulse inner core, 8-PDC drill bodies, 9- chip spaces, 10-PDC bit bodys
Screw thread, 11- top connection screw thread female threads, 12- top connection pressure caps, 13-PDC drill bit wings, 14- bit ports.
Specific implementation mode
The specific embodiment of the invention is described with reference to the accompanying drawings and embodiments：
It should be noted that structure, ratio, the size etc. illustrated in this specification institute attached drawing, only coordinating specification institute
The content of announcement is not limited to the enforceable qualifications of the present invention so that those skilled in the art understands and reads,
The modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the effect of present invention can be generated and institute's energy
Under the purpose reached, should all still it fall in the range of disclosed technology contents can be covered.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, also
Only being illustrated for ease of narration, rather than to limit the scope of the invention, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the present invention.
Embodiment 1
As shown in Figure 1 and 2, it the invention discloses including PDC drill bit ontology 8 and top connection, is wherein connect in the connection of PDC drill bit ontology 8
It is connected to inside head and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its integrally formed stream
Road distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein 7 one end of vortex pulse inner core is embedded in runner
In distributor 5.
Embodiment 2
As shown in Figure 1 and 2, it the invention discloses including PDC drill bit ontology 8 and top connection, is wherein connect in the connection of PDC drill bit ontology 8
It is connected to inside head and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its integrally formed stream
Road distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein 7 one end of vortex pulse inner core is embedded in runner
In distributor 5.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit ontology 8 is additionally provided with PDC drill bit wing 13, chip space 9, drill bit spray
Mouth hydrophthalmia 6 and shock resistance diamond compact 2 are wherein provided with multiple PDC drill bit wings 13, institute on 8 crown of PDC drill bit ontology
It states and is provided with multiple shock resistance diamond compacts 2 on multiple PDC drill bit wings 13, wherein two neighboring PDC drill bit wing 13
Gap location be provided with bit nozzle hydrophthalmia 6, the bit nozzle hydrophthalmia 6 and 5 inside of runner distributor are connected to.
Embodiment 3
As shown in Figure 1 and 2, it the invention discloses including PDC drill bit ontology 8 and top connection, is wherein connect in the connection of PDC drill bit ontology 8
It is connected to inside head and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its integrally formed stream
Road distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein 7 one end of vortex pulse inner core is embedded in runner
In distributor 5.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit ontology 8 is additionally provided with PDC drill bit wing 13, chip space 9, drill bit spray
Mouth hydrophthalmia 6 and shock resistance diamond compact 2 are wherein provided with multiple PDC drill bit wings 13, institute on 8 crown of PDC drill bit ontology
It states and is provided with multiple shock resistance diamond compacts 2 on multiple PDC drill bit wings 13, wherein two neighboring PDC drill bit wing 13
Gap location be provided with bit nozzle hydrophthalmia 6, the bit nozzle hydrophthalmia 6 and 5 inside of runner distributor are connected to.
As shown in Figure 1 and 2, it is preferred that the shock resistance diamond compact 2 is set to PDC drill bit wing 13 far from PDC
The edge of 8 side of drill body, wherein 2 place plane of shock resistance diamond compact and horizontal plane.
Embodiment 4
As shown in Figure 1 and 2, it the invention discloses including PDC drill bit ontology 8 and top connection, is wherein connect in the connection of PDC drill bit ontology 8
It is connected to inside head and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its integrally formed stream
Road distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein 7 one end of vortex pulse inner core is embedded in runner
In distributor 5.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit ontology 8 is additionally provided with PDC drill bit wing 13, chip space 9, drill bit spray
Mouth hydrophthalmia 6 and shock resistance diamond compact 2 are wherein provided with multiple PDC drill bit wings 13, institute on 8 crown of PDC drill bit ontology
It states and is provided with multiple shock resistance diamond compacts 2 on multiple PDC drill bit wings 13, wherein two neighboring PDC drill bit wing 13
Gap location be provided with bit nozzle hydrophthalmia 6, the bit nozzle hydrophthalmia 6 and 5 inside of runner distributor are connected to.
As shown in Figure 1 and 2, it is preferred that the shock resistance diamond compact 2 is set to PDC drill bit wing 13 far from PDC
The edge of 8 side of drill body, wherein 2 place plane of shock resistance diamond compact and horizontal plane.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit wing 13 includes the operator wing and secondary wing, wherein of the operator wing
Number is two, and the number of secondary wing is four, and described two one side ends of the operator wing connect and are in U in 8 crown of PDC drill bit ontology
Type is arranged, wherein secondary wing is respectively arranged at the both sides PDC drill bit sheet that two operator wings divide PDC drill bit ontology crown two-by-two
On 8 crown of body.
Embodiment 5
As shown in Figure 1 and 2, it the invention discloses including PDC drill bit ontology 8 and top connection, is wherein connect in the connection of PDC drill bit ontology 8
It is connected to inside head and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its integrally formed stream
Road distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein 7 one end of vortex pulse inner core is embedded in runner
In distributor 5.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit ontology 8 is additionally provided with PDC drill bit wing 13, chip space 9, drill bit spray
Mouth hydrophthalmia 6 and shock resistance diamond compact 2 are wherein provided with multiple PDC drill bit wings 13, institute on 8 crown of PDC drill bit ontology
It states and is provided with multiple shock resistance diamond compacts 2 on multiple PDC drill bit wings 13, wherein two neighboring PDC drill bit wing 13
Gap location be provided with bit nozzle hydrophthalmia 6, the bit nozzle hydrophthalmia 6 and 5 inside of runner distributor are connected to.
As shown in Figure 1 and 2, it is preferred that the shock resistance diamond compact 2 is set to PDC drill bit wing 13 far from PDC
The edge of 8 side of drill body, wherein 2 place plane of shock resistance diamond compact and horizontal plane.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit wing 13 includes the operator wing and secondary wing, wherein of the operator wing
Number is two, and the number of secondary wing is four, and described two one side ends of the operator wing connect and are in U in 8 crown of PDC drill bit ontology
Type is arranged, wherein secondary wing is respectively arranged at the both sides PDC drill bit sheet that two operator wings divide PDC drill bit ontology crown two-by-two
On 8 crown of body.
As shown in Figure 1 and 2, it is preferred that be equipped with chip space 9, wherein chip removal between the operator wing/pair wing and secondary wing
It is provided with bit nozzle hydrophthalmia 6 on slot 9, the number of the chip space 9 and bit nozzle hydrophthalmia 6 is six.
Embodiment 6
As shown in Figure 1 and 2, it the invention discloses including PDC drill bit ontology 8 and top connection, is wherein connect in the connection of PDC drill bit ontology 8
It is connected to inside head and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its integrally formed stream
Road distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein 7 one end of vortex pulse inner core is embedded in runner
In distributor 5.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit ontology 8 is additionally provided with PDC drill bit wing 13, chip space 9, drill bit spray
Mouth hydrophthalmia 6 and shock resistance diamond compact 2 are wherein provided with multiple PDC drill bit wings 13, institute on 8 crown of PDC drill bit ontology
It states and is provided with multiple shock resistance diamond compacts 2 on multiple PDC drill bit wings 13, wherein two neighboring PDC drill bit wing 13
Gap location be provided with bit nozzle hydrophthalmia 6, the bit nozzle hydrophthalmia 6 and 5 inside of runner distributor are connected to.
As shown in Figure 1 and 2, it is preferred that the shock resistance diamond compact 2 is set to PDC drill bit wing 13 far from PDC
The edge of 8 side of drill body, wherein 2 place plane of shock resistance diamond compact and horizontal plane.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit wing 13 includes the operator wing and secondary wing, wherein of the operator wing
Number is two, and the number of secondary wing is four, and described two one side ends of the operator wing connect and are in U in 8 crown of PDC drill bit ontology
Type is arranged, wherein secondary wing is respectively arranged at the both sides PDC drill bit sheet that two operator wings divide PDC drill bit ontology crown two-by-two
On 8 crown of body.
As shown in Figure 1 and 2, it is preferred that be equipped with chip space 9, wherein chip removal between the operator wing/pair wing and secondary wing
It is provided with bit nozzle hydrophthalmia 6 on slot 9, the number of the chip space 9 and bit nozzle hydrophthalmia 6 is six.
As shown in Figure 1 and 2, it is preferred that the top connection includes top connection shell 3, top connection screw thread female thread 11, top connection
Pressure cap 12 and connection screw thread 1, wherein 3 internal run-through of top connection shell, described 3 one end of top connection shell are equipped with top connection threaded female
Button 11, the other end are equipped with connection screw thread 1, and 3 inner cavity side of the top connection shell is provided with vortex pulse inner core 7, wherein on connect
Casing 3 is equipped with top connection pressure cap 12 close to one end of vortex pulse inner core 7, close to vortex pulse wherein in top connection shell 3
7 end of inner core is equipped with top connection pressure cap 12, and wherein PDC drill bit body screw thread 10 is threadedly coupled with top connection screw thread female thread 11.
The connection screw thread 1 connects tubing string.
Embodiment 7
As shown in Figure 1 and 2, it the invention discloses including PDC drill bit ontology 8 and top connection, is wherein connect in the connection of PDC drill bit ontology 8
It is connected to inside head and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its integrally formed stream
Road distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein 7 one end of vortex pulse inner core is embedded in runner
In distributor 5.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit ontology 8 is additionally provided with PDC drill bit wing 13, chip space 9, drill bit spray
Mouth hydrophthalmia 6 and shock resistance diamond compact 2 are wherein provided with multiple PDC drill bit wings 13, institute on 8 crown of PDC drill bit ontology
It states and is provided with multiple shock resistance diamond compacts 2 on multiple PDC drill bit wings 13, wherein two neighboring PDC drill bit wing 13
Gap location be provided with bit nozzle hydrophthalmia 6, the bit nozzle hydrophthalmia 6 and 5 inside of runner distributor are connected to.
As shown in Figure 1 and 2, it is preferred that the shock resistance diamond compact 2 is set to PDC drill bit wing 13 far from PDC
The edge of 8 side of drill body, wherein 2 place plane of shock resistance diamond compact and horizontal plane.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit wing 13 includes the operator wing and secondary wing, wherein of the operator wing
Number is two, and the number of secondary wing is four, and described two one side ends of the operator wing connect and are in U in 8 crown of PDC drill bit ontology
Type is arranged, wherein secondary wing is respectively arranged at the both sides PDC drill bit sheet that two operator wings divide PDC drill bit ontology crown two-by-two
On 8 crown of body.
As shown in Figure 1 and 2, it is preferred that be equipped with chip space 9, wherein chip removal between the operator wing/pair wing and secondary wing
It is provided with bit nozzle hydrophthalmia 6 on slot 9, the number of the chip space 9 and bit nozzle hydrophthalmia 6 is six.
As shown in Figure 1 and 2, it is preferred that the top connection includes top connection shell 3, top connection screw thread female thread 11, top connection
Pressure cap 12 and connection screw thread 1, wherein 3 internal run-through of top connection shell, described 3 one end of top connection shell are equipped with top connection threaded female
Button 11, the other end are equipped with connection screw thread 1, and 3 inner cavity side of the top connection shell is provided with vortex pulse inner core 7, wherein on connect
Casing 3 is equipped with top connection pressure cap 12 close to one end of vortex pulse inner core 7, close to vortex pulse wherein in top connection shell 3
7 end of inner core is equipped with top connection pressure cap 12, and wherein PDC drill bit body screw thread 10 is threadedly coupled with top connection screw thread female thread 11.
As shown in Figure 1 and 2, it is preferred that the top connection shell 3 is equipped with bit port 14 close to one end of connection screw thread 1.
Embodiment 8
As shown in Figure 1 and 2, it the invention discloses including PDC drill bit ontology 8 and top connection, is wherein connect in the connection of PDC drill bit ontology 8
It is connected to inside head and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its integrally formed stream
Road distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein 7 one end of vortex pulse inner core is embedded in runner
In distributor 5.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit ontology 8 is additionally provided with PDC drill bit wing 13, chip space 9, drill bit spray
Mouth hydrophthalmia 6 and shock resistance diamond compact 2 are wherein provided with multiple PDC drill bit wings 13, institute on 8 crown of PDC drill bit ontology
It states and is provided with multiple shock resistance diamond compacts 2 on multiple PDC drill bit wings 13, wherein two neighboring PDC drill bit wing 13
Gap location be provided with bit nozzle hydrophthalmia 6, the bit nozzle hydrophthalmia 6 and 5 inside of runner distributor are connected to.
As shown in Figure 1 and 2, it is preferred that the shock resistance diamond compact 2 is set to PDC drill bit wing 13 far from PDC
The edge of 8 side of drill body, wherein 2 place plane of shock resistance diamond compact and horizontal plane.
Preferably, the shock resistance diamond compact 2 can adjust position, the number of tooth according to different drilling conditions
Amount and flute profile, and the drill bit of different sizes can be selected according to different drilling well demands.
As shown in Figure 1 and 2, it is preferred that the PDC drill bit wing 13 includes the operator wing and secondary wing, wherein of the operator wing
Number is two, and the number of secondary wing is four, and described two one side ends of the operator wing connect and are in U in 8 crown of PDC drill bit ontology
Type is arranged, wherein secondary wing is respectively arranged at the both sides PDC drill bit sheet that two operator wings divide PDC drill bit ontology crown two-by-two
On 8 crown of body.
As shown in Figure 1 and 2, it is preferred that be equipped with chip space 9, wherein chip removal between the operator wing/pair wing and secondary wing
It is provided with bit nozzle hydrophthalmia 6 on slot 9, the number of the chip space 9 and bit nozzle hydrophthalmia 6 is six.
As shown in Figure 1 and 2, it is preferred that the top connection includes top connection shell 3, top connection screw thread female thread 11, top connection
Pressure cap 12 and connection screw thread 1, wherein 3 internal run-through of top connection shell, described 3 one end of top connection shell are equipped with top connection threaded female
Button 11, the other end are equipped with connection screw thread 1, and 3 inner cavity side of the top connection shell is provided with vortex pulse inner core 7, wherein on connect
Casing 3 is equipped with top connection pressure cap 12 close to one end of vortex pulse inner core 7, close to vortex pulse wherein in top connection shell 3
7 end of inner core is equipped with top connection pressure cap 12, and wherein PDC drill bit body screw thread 10 is threadedly coupled with top connection screw thread female thread 11.
The top connection pressure cap 12 is used to be vortexed the limit of pulse inner core 7.
As shown in Figure 1 and 2, it is preferred that the top connection shell 3 is equipped with bit port 14 close to one end of connection screw thread 1.
As shown in Figure 1 and 2, it is preferred that the vortex pulse inner core 7 is provided centrally with vortex impulse hunting inner core runner 4,
The vortex impulse hunting inner core runner 4 is in the figure of eight.
Preferably, vortex pulse inner core 7 can rearrange vortex impulse hunting inner core runner 4 according to using effect, lead to
It crosses vortex pulse inner core 7 and generates axial-radial periodic vibration, realize the stick slip vibration for slowing down cross force and drill string suffered by drill bit,
And extend the service life of drill bit and drilling tool.
Change 7 size of vortex pulse inner core and position by designing, bit oscillations and impact effect can be adjusted, with
Meet different types of broken rock stratum condition.
Working principle of the present invention is as follows：
During actual well drilled, drilling fluid is entered by bit port 14 in vortex pulse inner core 7 present invention, flows through vortex arteries and veins
The vortex impulse hunting inner core runner 4 of inner core 7 is rushed, then generating pulse by adherent effect makes drill bit generate axially and radially week
Phase property is vibrated, and is realized drill bit axial direction and radial vibration by periodic vibration, is dragged pressure to reduce drill bit and top drilling tool, be
PDC drill bit provides certain impact effect, achievees the effect that carry out quick crashing to rock.
Then the drilling fluid for flowing through vortex impulse hunting inner core runner 4 flows into bit nozzle hydrophthalmia by runner distributor
6, shock resistance diamond compact 2 can be washed away, improve the construction efficiency in drill bit sliding construction.
There is the present invention vortex pulse shock drill bit of percussion can carry out pre-impact effect to rock, substantially reduce
The intensity of rock discharges the stress of surrounding rock, since rock stress discharges so that suffered in the secondary drilling process of PDC drill bit
The stick slip vibration of cross force and drilling rod substantially reduces, and greatly enhances the service life of drill bit and drilling tool, reduces
Lower brill time and cost, significantly alleviate sliding construction in drag pressure phenomenon, largely improve PDC drill bit cross force and
The stick slip vibration of drilling rod extends the service life of drill bit and drilling tool to improve the stability and rate of penetration of drilling well, realizes
The drilling technology growth requirement of speed-raising synergy；The present invention is vortexed pulse inner core and drill bit axial-radial periodic swinging effect can be improved
Fruit improves the construction efficiency in drill bit sliding construction；Structure of the invention is smooth, manufacturing process is simple, efficiency of breaking rock is high, rotating speed
Soon, deep-well, ultradeep well and complicated difficult is can be widely applied to bore in strata drilling operation process.
The preferred embodiment for the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (8)
1. a kind of vortex pulse shock drill bit, it is characterised in that：Including PDC drill bit ontology and top connection, wherein PDC drill bit ontology
Be connected to inside connection top connection and PDC drill bit ontology and top connection, the PDC drill bit chamber body be provided with its one at
The runner distributor of type, the top connection inner cavity are provided with vortex pulse inner core, wherein vortex pulse inner core one end is embedded in
In runner distributor.
2. a kind of vortex pulse shock drill bit according to claim 1, it is characterised in that：The PDC drill bit ontology is also set
There are PDC drill bit wing, chip space, bit nozzle hydrophthalmia and shock resistance diamond compact, is wherein set on PDC drill bit ontology crown
Multiple PDC drill bit wings are equipped with, multiple shock resistance diamond compacts, wherein phase are provided on the multiple PDC drill bit wing
The gap location of adjacent two PDC drill bit wings is provided with bit nozzle hydrophthalmia, the bit nozzle hydrophthalmia in runner distributor
Portion is connected to.
3. a kind of vortex pulse shock drill bit according to claim 2, it is characterised in that：The shock resistance diamond is compound
Piece is set to edge of the PDC drill bit wing far from PDC drill bit ontology side, wherein plane where shock resistance diamond compact
With horizontal plane.
4. a kind of vortex pulse shock drill bit according to claim 2, it is characterised in that：The PDC drill bit wing includes
The operator wing and secondary wing, wherein the number of the operator wing is two, the number of secondary wing is four, described two one sides of the operator wing
Portion connects and in the U-shaped setting of PDC drill bit ontology crown, bores PDC wherein secondary wing is respectively arranged at two operator wings two-by-two
On the both sides PDC drill bit ontology crown of head ontology crown segmentation.
5. a kind of vortex pulse shock drill bit according to claim 4, it is characterised in that：The operator wing/pair the wing with
It is equipped with chip space between secondary wing, bit nozzle hydrophthalmia, the chip space and bit nozzle hydrophthalmia are wherein provided on chip space
Number be six.
6. a kind of vortex pulse shock drill bit according to claim 1, it is characterised in that：The top connection includes top connection
Shell, top connection screw thread female thread, top connection pressure cap and connection screw thread, wherein top connection enclosure interior penetrate through, the top connection shell
Body one end is equipped with top connection screw thread female thread, and the other end is equipped with connection screw thread, and top connection housing cavity side is provided with vortex
Pulse inner core is equipped with top connection pressure cap, the PDC drill bit ontology one wherein in top connection shell close to vortex pulse inner core end
End is equipped with PDC drill bit body screw thread, and wherein PDC drill bit body screw thread is threadedly coupled with top connection screw thread female thread.
7. a kind of vortex pulse shock drill bit according to claim 6, it is characterised in that：The top connection shell is close to even
The one end for connecing screw thread is equipped with bit port.
8. a kind of vortex pulse shock drill bit according to claim 1, it is characterised in that：Vortex pulse inner core center
It is provided with vortex impulse hunting inner core runner, wherein vortex impulse hunting inner core runner is in the figure of eight.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692727.9A CN108612480B (en) | 2018-06-29 | 2018-06-29 | Vortex pulse impact drill bit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692727.9A CN108612480B (en) | 2018-06-29 | 2018-06-29 | Vortex pulse impact drill bit |
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| CN108612480A true CN108612480A (en) | 2018-10-02 |
| CN108612480B CN108612480B (en) | 2024-06-18 |
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| CN201810692727.9A Active CN108612480B (en) | 2018-06-29 | 2018-06-29 | Vortex pulse impact drill bit |
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| Publication number | Publication date |
|---|---|
| CN108612480B (en) | 2024-06-18 |
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