CN208473711U - A kind of vortex pulse shock drill bit - Google Patents
A kind of vortex pulse shock drill bit Download PDFInfo
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- CN208473711U CN208473711U CN201821014469.0U CN201821014469U CN208473711U CN 208473711 U CN208473711 U CN 208473711U CN 201821014469 U CN201821014469 U CN 201821014469U CN 208473711 U CN208473711 U CN 208473711U
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- pdc drill
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- 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 4
- 238000009527 percussion Methods 0.000 abstract description 3
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- 238000000465 moulding Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 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
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 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
- 238000013461 design Methods 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
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- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model 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 utility model the 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 in sliding construction significantly and drag pressure phenomenon, to improve the stability and rate of penetration of drilling well.
Description
Technical field
The utility model belongs to the mechanical drilling tool technical field more particularly to a kind of vortex pulse shock of petroleum resources exploitation
Drill bit.
Background technique
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 complicated bad ground development, drill bit are the tools that rock is directly acted in oil/gas drilling exploitation, however traditional
PDC drill bit in drilling process, efficiency of breaking rock is low, and revolving speed is slow, sliding drag pressure to happen occasionally, be unable to satisfy 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 in 80 meters away from drill bit left-right positions to drill bit is slowed down
Less than desired effect, therefore researches and develops one kind effectively solution drill bit and the drill bit of pressure is dragged there are very much market prospects.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of vortex pulse shock drill bit,
Overcome in the prior art 1: efficiency of breaking rock is low, and revolving speed is slow, and 2: tool-face is unstable, is easy to produce drill bit sliding and drags pressure phenomenon,
3: the problems such as stability of drilling well is poor.
In order to solve technical problem, the technical solution of the utility model is: a kind of vortex pulse shock drill bit, including PDC
Drill body and top connection are wherein connected to inside the connection top connection of PDC drill bit ontology and PDC drill bit ontology and top connection, institute
It states PDC drill bit chamber body and is provided with and its integrally formed runner distributor, the top connection inner cavity are provided with vortex arteries and veins
Inner core is rushed, 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, sets 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 two 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 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, wherein close to vortex pulse inner core 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 vibration
Inner core runner is swung in the figure of eight.
Compared with the existing technology, utility model has the advantages that
(1) there is the utility model the vortex pulse shock drill bit of percussion can carry out pre-impact effect to rock,
The intensity for substantially reducing rock discharges the stress of surrounding rock, since rock stress discharges, creeps into so that PDC drill bit is secondary
The stick slip vibration of suffered cross force and drilling rod substantially reduces in journey, greatly enhances the use longevity of drill bit and drilling tool
Life reduces lower brill time and cost, alleviates in sliding construction significantly and drag pressure phenomenon, largely improve PDC drill bit
Cross force and the stick slip vibration of drilling rod extend making for drill bit and drilling tool to improve the stability and rate of penetration of drilling well
With the service life, the drilling technology growth requirement of speed-raising synergy is realized；
(2) drill bit axial-radial periodic swinging effect can be improved in the utility model vortex pulse inner core, and it is sliding to improve drill bit
Construction efficiency in dynamic construction, to improve the stability of drilling well, rate of penetration；
(3) the utility model structure is smooth, manufacturing process is simple, efficiency of breaking rock is high, and revolving speed is fast, can be widely applied to depth
Well, ultradeep well and complicated difficult bore in strata drilling operation process.
Detailed description of the invention
The structural schematic diagram of Fig. 1, the utility model；
The half section structure diagram of Fig. 2, the utility model.
Description of symbols:
1- connection screw thread, 2- shock resistance diamond compact, 3- top connection shell, 4- are vortexed impulse hunting inner core runner,
5- runner distributor, 6- bit nozzle hydrophthalmia, 7- are vortexed pulse inner core, 8-PDC drill body, 9- chip space, 10-PDC brill
Head body screw thread, 11- top connection screw thread female thread, 12- top connection pressure cap, 13-PDC drill bit wing, 14- bit port.
Specific embodiment
Specific embodiment of the present 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 to cooperate explanation
The revealed content of book is not intended to limit the utility model enforceable so that those skilled in the art understands and reads
Qualifications, the modification of any structure, the change of proportionate relationship or the adjustment of size, can be generated not influencing the utility model
The effect of and the purpose that can reach under, should all still fall in the range of the revealed technology contents of the utility model can cover.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, also
Only being illustrated convenient for narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified,
Under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Embodiment 1
As shown in Figure 1 and 2, the utility model discloses include PDC drill bit ontology 8 and top connection, wherein PDC drill bit ontology 8
It is connected to inside connection top connection and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its one
Molding runner distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein in vortex 7 one end of pulse inner core
In runner distributor 5.
Embodiment 2
As shown in Figure 1 and 2, the utility model discloses include PDC drill bit ontology 8 and top connection, wherein PDC drill bit ontology 8
It is connected to inside connection top connection and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its one
Molding runner distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein in vortex 7 one end of pulse inner core
In runner 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, be connected to inside the bit nozzle hydrophthalmia 6 and runner distributor 5.
Embodiment 3
As shown in Figure 1 and 2, the utility model discloses include PDC drill bit ontology 8 and top connection, wherein PDC drill bit ontology 8
It is connected to inside connection top connection and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its one
Molding runner distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein in vortex 7 one end of pulse inner core
In runner 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, be connected to inside the bit nozzle hydrophthalmia 6 and runner distributor 5.
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, the utility model discloses include PDC drill bit ontology 8 and top connection, wherein PDC drill bit ontology 8
It is connected to inside connection top connection and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its one
Molding runner distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein in vortex 7 one end of pulse inner core
In runner 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, be connected to inside the bit nozzle hydrophthalmia 6 and runner distributor 5.
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 setting, wherein secondary wing is respectively arranged at the two 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, the utility model discloses include PDC drill bit ontology 8 and top connection, wherein PDC drill bit ontology 8
It is connected to inside connection top connection and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its one
Molding runner distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein in vortex 7 one end of pulse inner core
In runner 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, be connected to inside the bit nozzle hydrophthalmia 6 and runner distributor 5.
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 setting, wherein secondary wing is respectively arranged at the two 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, the utility model discloses include PDC drill bit ontology 8 and top connection, wherein PDC drill bit ontology 8
It is connected to inside connection top connection and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its one
Molding runner distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein in vortex 7 one end of pulse inner core
In runner 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, be connected to inside the bit nozzle hydrophthalmia 6 and runner distributor 5.
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 setting, wherein secondary wing is respectively arranged at the two 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 be equipped with connection screw thread 1, the 3 inner cavity side of top connection shell be 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, wherein close to vortex pulse 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, the utility model discloses include PDC drill bit ontology 8 and top connection, wherein PDC drill bit ontology 8
It is connected to inside connection top connection and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its one
Molding runner distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein in vortex 7 one end of pulse inner core
In runner 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, be connected to inside the bit nozzle hydrophthalmia 6 and runner distributor 5.
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 setting, wherein secondary wing is respectively arranged at the two 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 be equipped with connection screw thread 1, the 3 inner cavity side of top connection shell be 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, wherein close to vortex pulse 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, the utility model discloses include PDC drill bit ontology 8 and top connection, wherein PDC drill bit ontology 8
It is connected to inside connection top connection and PDC drill bit ontology and top connection, 8 inner cavity of PDC drill bit ontology is provided with and its one
Molding runner distributor 5, the top connection inner cavity are provided with vortex pulse inner core 7, wherein in vortex 7 one end of pulse inner core
In runner 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, be connected to inside the bit nozzle hydrophthalmia 6 and runner distributor 5.
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 be according to different drilling conditions come the position of adjusting tooth, number
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 setting, wherein secondary wing is respectively arranged at the two 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 be equipped with connection screw thread 1, the 3 inner cavity side of top connection shell be 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, wherein close to vortex pulse 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 vortex 7 size of pulse inner core and position, adjustable bit oscillations and impact effect by design, with
Meet different types of broken rock stratum condition.
The working principle of the utility model is as follows:
During actual well drilled, drilling fluid is entered in vortex pulse inner core 7 the utility model by bit port 14, stream
Through being vortexed the vortex impulse hunting inner core runner 4 of pulse inner core 7, then generating pulse by adherent effect generates drill bit axially
And radial periodic vibration, drill bit axial direction and radial vibration are realized by periodic vibration, to reduce drill bit and top drilling tool
Pressure is dragged, provides certain impact effect for PDC drill bit, achievees the effect that carry out quick crashing to rock.
It flows through the drilling fluid of vortex impulse hunting inner core runner 4 and then passes through runner distributor and flow into bit nozzle hydrophthalmia
6, shock resistance diamond compact 2 can be washed away, improve the construction efficiency in drill bit sliding construction.
There is the utility model the vortex pulse shock drill bit of percussion can carry out pre-impact effect to rock, significantly
The intensity for reducing rock, discharges the stress of surrounding rock, since rock stress discharges, so that in the secondary drilling process of PDC drill bit
The stick slip vibration of suffered cross force and drilling rod substantially reduces, and greatly enhances the service life of drill bit and drilling tool, drop
Low lower brill time and cost are alleviated in sliding construction significantly and drag pressure phenomenon, largely improve the transverse direction of PDC drill bit
The stick slip vibration of power and drilling rod extends the service life of drill bit and drilling tool to improve the stability and rate of penetration of drilling well,
Realize the drilling technology growth requirement of speed-raising synergy；The drill bit axial-radial period can be improved in the utility model vortex pulse inner core
Property oscillation effect, improve drill bit sliding construction in construction efficiency；The utility model structure is smooth, manufacturing process is simple, broken rock
High-efficient, revolving speed is fast, can be widely applied to deep-well, ultradeep well and complicated difficult and bores in strata drilling operation process.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to
Above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art
It is made a variety of changes under the premise of objective.
Many other changes and modifications may be made without departing from the spirit and scope of the utility model.It should be appreciated that this reality
It is not limited to specific embodiment with novel, the scope of the utility model 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 are provided on the multiple PDC drill bit wing, wherein phase
The gap location of adjacent two PDC drill bit wings is provided with bit nozzle hydrophthalmia, in the bit nozzle hydrophthalmia and runner distributor
Portion's connection.
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, wherein secondary wing is respectively arranged at two operator wings two-by-two and bores PDC
On the two 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 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 penetrates 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 wherein equipped with top connection pressure cap, the PDC drill bit ontology one close to vortex pulse inner core end in top connection shell
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 |
|---|---|---|---|
| CN201821014469.0U CN208473711U (en) | 2018-06-29 | 2018-06-29 | A kind of vortex pulse shock drill bit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821014469.0U CN208473711U (en) | 2018-06-29 | 2018-06-29 | A kind of vortex pulse shock drill bit |
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| CN208473711U true CN208473711U (en) | 2019-02-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612480A (en) * | 2018-06-29 | 2018-10-02 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of vortex pulse shock drill bit |
| CN110005342A (en) * | 2019-04-23 | 2019-07-12 | 西南石油大学 | The PDC drill bit of fluidic oscillation realization rock fracture in dynamic indentation |
-
2018
- 2018-06-29 CN CN201821014469.0U patent/CN208473711U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612480A (en) * | 2018-06-29 | 2018-10-02 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of vortex pulse shock drill bit |
| CN108612480B (en) * | 2018-06-29 | 2024-06-18 | 中国石油天然气集团有限公司 | Vortex pulse impact drill bit |
| CN110005342A (en) * | 2019-04-23 | 2019-07-12 | 西南石油大学 | The PDC drill bit of fluidic oscillation realization rock fracture in dynamic indentation |
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