CN200989162Y - Hydraulic pulse cavitation jet-flow well drilling device and drill bit - Google Patents

Hydraulic pulse cavitation jet-flow well drilling device and drill bit Download PDF

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Publication number
CN200989162Y
CN200989162Y CN 200620123657 CN200620123657U CN200989162Y CN 200989162 Y CN200989162 Y CN 200989162Y CN 200620123657 CN200620123657 CN 200620123657 CN 200620123657 U CN200620123657 U CN 200620123657U CN 200989162 Y CN200989162 Y CN 200989162Y
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China
Prior art keywords
fluid
self
drill bit
pulse
well drilling
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Expired - Lifetime
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CN 200620123657
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Chinese (zh)
Inventor
李根生
牛继磊
黄中伟
史怀忠
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China University of Petroleum Beijing CUPB
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China University of Petroleum Beijing CUPB
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Abstract

The utility model relates to a hydraulic pulse cavitating jet drilling apparatus, which comprises a cylindrical noumenon; a fluid inlet section is arranged at one end of the noumenon and a fluid outlet section is arranged at the other end; the two sections are provided in-between with matched a guiding part that can deviate the flow direction of the fluid, a pulse generator that enables the continuous fluid produce pulse, and a self-exciting vibration part that enables the fluid with pulse produce resonance. The self-vibrating cavitating nozzle drill of the utility model is provided with two communicating fluid channels; the fluid channels are composed of a plurality of channels the section areas of which diminish successively; the channel with the largest section area is provided with a fluid inlet end; the outer upper end of the drill is connected to the fluid outlet section of the hydraulic pulse cavitating jet drilling apparatus, thus improving drill rock breaking and well bottom rock cleaning. The utility model has the advantages of rapidly shooting the pulse resonance flowing fluid into relatively static fluid to produce cavitation, striking the well bottom by the way of fluctuation pressure, improving the capacity of jet rock-breaking and rock-cleaning, and saving the cost of drilling wells.

Description

Waterpower pulse cavitation jet well drilling device and drill bit
Technical field
The utility model relates to a kind of new equipment of downhole drill, particularly a kind of waterpower pulse cavitation jet well drilling device, and a kind of drill bit that can cooperate this device to use.
Background technology
The drilling technology face to as if downhole system (from the pit shaft to the stratum).The characteristics of this object are that well is little, the ground layer depth, and the conditions down-hole complexity, and cannot see, have only the down-hole drill and petroleum extraction tools object of approaching work.Therefore, want downhole system to be carried out fine manipulation only reliable down-hole drill and petroleum extraction tools with new drilling technology.The demand of the drilling technology that development is advanced, caused the generation of new down-hole drill and petroleum extraction tools, and the enforcement of new drilling technology, also must rely on the down-hole drill and petroleum extraction tools of function admirable, reliable operation, and the latter's innovation will further promote the change of drilling technology again conversely.
Tradition drilling mode energy transmission, conversion, distribution and utilization in drilling process exist problems such as efficient is low always.Though the raising rate of penetration that rotary percussion drilling, downhole pressure increasing drilling well all can be in various degree, thus since its life-span and poor stability fail to use on a large scale at the scene always.Pulsing jet aided drilling technology obtained certain effect at the scene but because of its life-span shorter, thereby also have certain limitation.Pulsing jet aided drilling technology mainly be by impulse jet nozzle be used for producing pulsatile effect, be installed on the carcass of drill bit bottom.
The simple impulse jet nozzle life-span uses at the scene and has certain limitation, and along with the increase of well depth, the drill bit hydraulic energy reduces, and confined pressure increases, and the cavitation ability is corresponding to be weakened, and the jet impulse effect obviously descends; Down-hole fluid power propeller produces the pressure of the drill by the instrument piston, and the waterpower pulse effect is bad; Waterpower pulse circulating valve underbalance pulse is effective, and shortcoming is a complex structure, and the solid phase particles that contains in the drilling fluid easily causes wearing and tearing to the modulator inner body.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, a kind of waterpower pulse cavitation jet well drilling device is provided, it can be installed between drill collar (or mud motor) and the drill bit, also self-vibration cavitating nozzle drill bit can be installed on drill bit, perhaps waterpower pulse cavitation jet device short circuit and self-vibration cavitating nozzle drill bit be used in combination.Purpose all is to make jet expansion produce strong pulsation collar vortex stream, impacts the shaft bottom in the mode of surge pressure, improves bottom-hole flow field and bottom rock force-bearing situation, minimizing " chip hold down effect ", auxiliary rock raising rate of penetration, saves drilling cost.
To achieve these goals, the utility model provides a kind of waterpower pulse cavitation jet well drilling device, the body that comprises a cylindricality, one end of this body is provided with the fluid intake section, the other end is provided with the fluid issuing section, between described fluid intake section and the fluid issuing section successively coupling be provided with the flow direction that makes fluid and produce the diversion division depart from, make continuous fluid produce the impulse generator of pulse and make fluid produce the self-oscillation portion of resonance with pulse; One end of described diversion division is provided with inlet, and the other end is provided with outlet, and this outlet and inlet are taked the eccentric manner setting, and the area of outlet is less than the area of inlet; Be pivoted with the impeller of the thrust rotation that utilizes fluid in the described impulse generator, the blade of this impeller and the outlet of described diversion division align setting; Be provided with a fluid passage of running through in the described self-oscillation portion, this fluid passage is made of the runner that the multistage sectional area reduces successively, and the runner of sectional area maximum is arranged on the end that self-oscillation portion docks with described impulse generator.
The fluid intake section of above-mentioned body can be cylindric or is little round table-like of outer imperial palace; The flexible circlip groove of the lower inside of described body is convenient to fixedly self-oscillation cavity, and upper part of body is connected with mud motor or drill collar; The shape of the inlet of described diversion division and the outlet of diversion division be shaped as rectangle or circle; Also be provided with the inlet that is used to snap in impulse generator on described diversion division and the end face that described impulse generator combines, and make the outlet of described diversion division and the fin that described impeller aligns; The cross sectional shape of the multistage runner that is provided with in the described self-oscillation portion is circle or polygon.
The utility model also provides a kind of self-vibration cavitating nozzle drill bit, comprises drill bit, is provided with two fluid passages of running through in the described drill bit, and this fluid passage is made of the runner that the multistage sectional area reduces successively, and the runner of sectional area maximum is provided with the fluid inlet end; The upper end of described drill bit is outside for to be connected in the fluid issuing section of described waterpower pulse cavitation jet well drilling device.
In the technique scheme, the thin segment in lower end, described fluid passage tilts to described bit central, in order to improve towards the rock quality.
Organ tubulose resonator can the humorous resonance of formation sound, makes the jet expansion jet become interrupted collar vortex stream, brings out the generation of cavitation; Rotary blade can produce disturbance to continuous fluid, the discontinuity of enhance fluid, thus strengthen cavitation.
Make the pressure of above-mentioned pulse resonance working fluid produce fluctuation, and make it produce feedback pressure resonance, and utilize pressure resonance to produce the humorous resonance of fluid sound, improve the flow velocity of pulse resonance working fluid with the humorous resonance of fluid sound, inject in the static relatively liquid, produce cavitation phenomenon.
The utility model proposes a kind of waterpower pulse cavitation jet well drilling device, be installed between drill bit and the drill collar (or mud motor), make the continuous-flow of the interior drilling fluid of drill collar (or mud motor) change effect of Fluid Pulsation into and produce cavitation phenomenon, flow to the shaft bottom through bit nozzle, thereby improve the force-bearing situation of bottom-hole flow field and bottom rock.Go out the interruption-forming pulsing jet at bit nozzle on the one hand, reduce " chip hold down effect ", improve large rock-carrying ability; On the other hand because the waterpower pulse device produces the swabbing action that the inertia of drilling fluid in pressure fluctuation and the drill bit annular space on every side produces the drill bit bottom, form low-pressure area, reduce the confined pressure of bottom rock, its mechanism is similar under balance pressure drilling, can significantly improve bit speed.The low-pressure area that while waterpower pulse method obtains only is confined near the drill bit of shaft bottom, and whole annular space still is overbalance pressure, can guarantee better that than under balance pressure drilling method borehole wall stability has guaranteed downhole safety simultaneously.
The utility model is by improving bottom-hole flow field and bottom rock force-bearing situation and improve rate of penetration and increasing the service life.Compare with conventional drilling under identical pressure, discharge capacity, stratum and drill bit condition that rate of penetration is the highest can be improved more than 100%, also be improved the application life of drill bit to reach more than 20%.Hydraulic pulse generator has simple in structure, and the life-span is long, and advantages such as good stability are applicable to zones of different and stratum, have broad application prospects and development potentiality.The utility model both can follow various chipping type bits (as the PDC drill bit) to be used, and also can be used for common rock bit or drag bit.Believe that the waterpower pulse cavitation jet drilling technology can be to our good economic benefit and social benefit of drilling well cause creation.
By the hydromechanical method of researching and analysing the waterpower pulse that obtains and cavitation jet coupling modulation mechanism, on the basis in conjunction with waterpower pulse and cavitation jet raising rate of penetration mechanism, design a kind of novel hydropower pulse and cavitation jet coupling device.This device is installed between drill bit and the drill collar (or mud motor).When drilling fluid is flowed through hydraulic pulse generator in drill collar (or mud motor), produce the cavitation ability that effect of Fluid Pulsation improves jet in the bit nozzle exit.By documents and materials as can be known, under identical jet pressure, the surge of cavitation jet is 8.6-124 a times of solid jet stagnation pressure, can greatly increase the broken rock and the bottom-hole cleaning ability of mesolow jet.
Cavitation jet is meant that the powerful impact force of utilizing cavity collapse to produce strengthens a kind of fluidics of jet effect, and the liquid jet under the mode of flooding mostly produces cavitation.This is that the pressure the flow-disturbing whirlpool in is lower, the interior generation of low-pressure area cavitation field because form the flow-disturbing whirlpool in the shear layer between high-speed jet and the relative static environmental liquids under the mode of flooding.The cavitation ring of jet can improve the density of jet, can enlarge the zone of jet crushing and cleaning again.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a waterpower pulse cavitation jet well drilling device assembling schematic diagram of the present utility model;
Fig. 2 is the structural representation of diversion division of the present utility model;
Fig. 3 is the structural representation of impeller in the impulse generator of the present utility model;
Fig. 4 is the lateral view of impeller base in the impulse generator of the present utility model;
Fig. 5 is the vertical view of impeller base in the impulse generator of the present utility model;
Fig. 6 is a vibration structure of nozzle schematic diagram of the present utility model;
Fig. 7 is an impulse generator body construction schematic diagram of the present utility model;
Fig. 8 is the directional type nozzle arrangements schematic diagram of self-vibration cavitating nozzle drill bit of the present utility model;
Fig. 9 is the upward view of drill bit of the present utility model;
Figure 10 is the lateral view of nozzle exit of the present utility model;
Figure 11 is a self-vibration cavitating nozzle drill bit schematic perspective view of the present utility model;
Figure 12 is the assembling schematic diagram of the utility model waterpower pulse cavitation jet well drilling device and self-vibration cavitating nozzle drill bit.
Description of reference numerals:
The 1-body; The 2-baffle; The 3-impulse generator;
4-self-oscillation chamber; The 5-nozzle that vibrates; The 6-impeller base;
7-fluid intake section; 8-fluid issuing section; The 9-impeller;
10-directional type nozzle;
11-self-vibration cavitating nozzle drill bit.
The specific embodiment
Embodiment 1
Fig. 1 is the utility model assembling schematic diagram.Fig. 1 is a most preferred embodiment of the utility model device, as shown in Figure 1, the body 1 that comprises a cylindricality, one end of this body is provided with fluid intake section 7, the other end is provided with fluid issuing section 8, between fluid intake section 7 and the fluid issuing section 8 successively coupling be provided with the flow direction that makes fluid and produce the diversion division 2 depart from, make continuous fluid produce the impulse generator 3 of pulse and make fluid produce the self-oscillation portion of resonance with pulse; One end of diversion division 3 is provided with inlet, and the other end is provided with outlet, and this outlet and inlet are taked the eccentric manner setting, and the area of outlet is less than the area of inlet; Be pivoted with the impeller 9 of the thrust rotation that utilizes fluid in the described impulse generator 3, the outlet of the blade of this impeller 9 and described diversion division 2 aligns setting; Be provided with a fluid passage of running through in the described self-oscillation portion, this fluid passage is made of the runner that the multistage sectional area reduces successively, and the runner of sectional area maximum is arranged on the end that self-oscillation portion docks with described impulse generator.This device can produce strong pulsation collar vortex stream and impact the shaft bottom in the mode of surge pressure, and it is the termination drill bit down, and the upper end directly connects mud motor (or drill collar), use and easy for installation.There is the flexible circlip groove in step, top that can cooperate with drill collar its underpart simultaneously, and this design has not only been satisfied technological requirement but also simplified the structure greatly, and its safety, reliability are strengthened greatly.
The waterpower pulse cavitation jet well drilling device described in the utility model fluid intake section 7 of drilling liquid flow through body 1 upper end of the continuous-flow in drill collar (or mud motor) in drilling process exactly enters diversion division 2, paired pulses generator 3 produces tangential force and forces its inner impeller 9 rotation change flow area at a high speed, enter the self-excited oscillation cavity chamber 4 after making the drilling fluid of continuous-flow produce pulse, the pulse drilling liquid flow amplifies and generation fluid resonance at this chamber, when its outlet contracted section by oscillation chamber 4 enters resonance nozzle 5, produce pressure oscillation, this pressure oscillation reflected back resonator again forms the feedback pressure vibration, when the frequency of pressure oscillation is consistent with the frequency of resonator, the feedback pressure vibration is amplified, thereby in resonator 4, produce the humorous resonance of fluid sound, the fluid high-speed jet, and at the strong pulsation of fluid issuing section 8 generations collar vortex stream, mode with surge pressure is impacted the shaft bottom, improve bottom-hole flow field, reduce the ability that " chip hold down effect " improves clear rock of jet and broken rock, thereby improved rate of penetration.The realization of cavitation realizes that by the self-oscillation nozzle impeller rotation purpose is to produce pulse, makes the drilling fluid that enters the self-excited oscillation cavity become a kind of active disturbance.The eddy current ring goes from strength to strength again in the high shear campaign, makes jet produce bigger pressure pulse, forms pulsing jet, reaches the shaft bottom by drill bit, thereby increases substantially the erosion and the cleaning capacity of jet.Go out the interruption-forming pulsing jet at bit nozzle on the one hand, improve the ability to function of the broken rock of the clear rock of jet; On the other hand because the waterpower pulse device produces pressure fluctuation, can near drill bit, form low-pressure area, can reduce the chip hold down effect of annular space head of liquid to bottom rock, its mechanism is similar under balance pressure drilling, can significantly improve bit speed, but the low-pressure area that the waterpower pulse method obtains only is confined near the drill bit of shaft bottom, and whole annular space still is overbalance pressure, therefore can guarantee borehole wall stability and downhole safety better than under balance pressure drilling method.
Fig. 2 is the structural representation of diversion division of the present utility model.As depicted in figs. 1 and 2, diversion division 2 described in the utility model is the slope runner, it has changed the flow direction of drilling fluid, and the impeller of paired pulses generator 3 generation tangential force forces impeller 9 to rotate, change the size of drilling fluid liquid stream to impeller tangential impact power by the angle that changes the slope runner, the bossing below is convenient to installing and locating simultaneously.
Fig. 3 is the structural representation of impeller 9 in the impulse generator of the present utility model.Fig. 4 is the lateral view of impeller base in the impulse generator of the present utility model.Fig. 5 is the vertical view of impeller base in the impulse generator of the present utility model.Impulse generator 3 described in the utility model comprises impeller 9 and the axle sleeve 6 of locating impeller, changes flow area to change impulse amplitude by the impeller blade radius that changes impeller 9, changes pulse frequency by the impeller blade quantity that changes impeller 9.
Fig. 6 is the structural representation of vibration nozzle 5 of the present utility model.As seen from Figure 6, the reduced cross-sectional area of the sectional area ratio self-oscillation chamber 4 of vibration nozzle 5 is a lot, makes fluid jet become interrupted eddy current ring.
Fig. 7 is for being impulse generator body construction schematic diagram of the present utility model.Among the embodiment of said apparatus, the fluid intake section 7 of described body 1 can be cylindric or is little round table-like of outer imperial palace.
Among the embodiment of said apparatus, the shape of the shape of the inlet of described diversion division 2 and the outlet of diversion division can be rectangle or circle.
Among the embodiment of said apparatus, also be provided with the inlet that is used to snap in impulse generator on diversion division 2 and the end face that described impulse generator 3 combines, and make the outlet of described diversion division 2 and the fin that described impeller 9 aligns.
Among the embodiment of said apparatus, the cross sectional shape of the multistage runner that is provided with in the self-oscillation portion can be circle or polygon.
Continous-stable drilling fluid at a high speed enters baffle forces impeller to rotate the generation pulse-type disturbance at a high speed to the generation of the impeller in impeller assembly tangential force, change flow area to change impulse amplitude by the impeller blade radius that changes impeller, change pulse frequency by the impeller blade quantity that changes impeller; Enter the self-oscillation chamber on vibration nozzle top then, the pulse drilling liquid flow amplifies and generation fluid resonance at this chamber, produce strong pulsation collar vortex stream in outlet, mode with surge pressure is impacted the shaft bottom, improve bottom-hole flow field, reduce the ability that " chip hold down effect " improves clear rock of jet and broken rock, thereby improved rate of penetration.
Embodiment 2
Fig. 8 is the directional type nozzle arrangements schematic diagram of self-vibration cavitating nozzle drill bit of the present utility model.Fig. 9 is the upward view of drill bit of the present utility model.Organ tubulose resonator can the humorous resonance of formation sound, makes directional type nozzle 10 outlet jets become interrupted collar vortex stream, brings out the generation of cavitation; Simultaneously, crooked certain angle of directional type nozzle 10 outlets and self-vibration cavitating nozzle drill bit 11 smear metal teeth cooperate, as shown in figure 10; Directional type nozzle 10 is embedded, and its structure realizes the hydraulic-mechanical combined-breaking rock as shown in Figure 8.This nozzle is taked directed the installation, forms the broken rock mode of waterpower and mechanically combining, has improved broken rock of drill bit and shaft bottom large rock-clearing effect.Figure 11 is the schematic perspective view of the self-vibration cavitating nozzle drill bit of design machine-shaping.
Embodiment 3
Figure 12 is the assembling schematic diagram of the utility model waterpower pulse cavitation jet well drilling device and self-vibration cavitating nozzle drill bit.The lower end short circuit of self-vibration cavitating nozzle drill bit 11 and waterpower pulse cavitation jet well drilling device is combined together use, with the cavitation effect of further enhance fluid, improves rock breaking capacity.Operate specific as follows: step 1 is to carry out in the drillng operation at drilling tool, imports the liquid stream of the continous-stable be used to impact the shaft bottom; Step 2 is the liquid stream of this continous-stable of periodic disturbance, makes it to form effect of Fluid Pulsation liquid, in order to increase impact effect; Step 3 is with the liquid amplification of effect of Fluid Pulsation and makes it to produce resonance, so just it is changed for the pulse resonance working fluid; Step 4 is by the sectional area that dwindles fluid, accelerates its flow velocity, and it is injected at a high speed in the static relatively environmental liquids; Step 5 is to make this liquid form the flow-disturbing whirlpool, produces cavitation phenomenon; To be the high-speed pulse resonance working fluids that will produce cavitation phenomenon flow into organ pipe nozzle on the drill bit in the mode of surge pressure to step 6; Step 6 is cavitation jet further amplifications through organ pipe resonance, the high speed impact shaft bottom.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.

Claims (8)

1, a kind of waterpower pulse cavitation jet well drilling device, the body that comprises a cylindricality, one end of this body is provided with the fluid intake section, the other end is provided with the fluid issuing section, it is characterized in that: between described fluid intake section and the fluid issuing section successively coupling be provided with the flow direction that makes fluid and produce the diversion division depart from, make continuous fluid produce the impulse generator of pulse and make fluid produce the self-oscillation portion of resonance with pulse;
One end of described diversion division is provided with inlet, and the other end is provided with outlet, and this outlet and inlet are taked the eccentric manner setting, and the area of outlet is less than the area of inlet;
Be pivoted with the impeller of the thrust rotation that utilizes fluid in the described impulse generator, the blade of this impeller and the outlet of described diversion division align setting;
Be provided with a fluid passage of running through in the described self-oscillation portion, this fluid passage is made of the runner that the multistage sectional area reduces successively, and the runner of sectional area maximum is arranged on the end that self-oscillation portion docks with described impulse generator.
2, waterpower pulse cavitation jet well drilling device as claimed in claim 1 is characterized in that, the fluid intake section of described body is cylindric or is little round table-like of outer imperial palace.
3, waterpower pulse cavitation jet well drilling device as claimed in claim 1 is characterized in that, the flexible circlip groove of the lower inside of described body is convenient to fixedly self-oscillation cavity, and upper part of body is connected with mud motor or drill collar.
4, waterpower pulse cavitation jet well drilling device as claimed in claim 1 is characterized in that, the shape of the inlet of described diversion division and the outlet of diversion division be shaped as rectangle or circle.
5, as claim 1 or 4 described waterpower pulse cavitation jet well drilling devices, it is characterized in that, also be provided with the inlet that is used to snap in impulse generator on described diversion division and the end face that described impulse generator combines, and make the outlet of described diversion division and the fin that described impeller aligns.
6, waterpower pulse cavitation jet well drilling device as claimed in claim 1 is characterized in that, the cross sectional shape of the multistage runner that is provided with in the described self-oscillation portion is circle or polygon.
7, the self-vibration cavitating nozzle drill bit that cooperates of the arbitrary drilling rig of a kind of and described claim 1-6, comprise drill bit, it is characterized in that, be provided with two fluid passages of running through in the described drill bit, this fluid passage is made of the runner that the multistage sectional area reduces successively, and the runner of sectional area maximum is provided with the fluid inlet end; The upper end of described drill bit is outside for to be connected in the fluid issuing section of described waterpower pulse cavitation jet well drilling device.
8, self-vibration cavitating nozzle drill bit as claimed in claim 7 is characterized in that, the thin segment in lower end, described fluid passage tilts to described bit central, in order to improve towards the rock quality.
CN 200620123657 2006-07-12 2006-07-12 Hydraulic pulse cavitation jet-flow well drilling device and drill bit Expired - Lifetime CN200989162Y (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101105115B (en) * 2006-07-12 2010-05-12 中国石油大学(北京) Waterpower pulse cavitation jet well drilling device and drill bit
CN101413380B (en) * 2008-11-20 2010-10-13 重庆大学 Multifunctional self-oscillation flow jet flow drill
CN101864899A (en) * 2010-06-17 2010-10-20 山西潞安环保能源开发股份有限公司 Self-control shooting distance water jet drill
CN101936135A (en) * 2010-03-05 2011-01-05 中国石油大学(北京) Underground water-hammer type pressure pulse generating tool
CN103277051A (en) * 2013-06-19 2013-09-04 天津市仕杰达能源技术开发有限公司 Self-excitation type pulse polycrystalline diamond compact (PDC) drill bit
CN103790521A (en) * 2013-12-09 2014-05-14 中国石油大学(北京) Safe and efficient mud drilling jet mill bit for horizontal wells
CN103806836A (en) * 2012-11-13 2014-05-21 中国石油大学(北京) Self-feeding rotary jet flow multi-hole spray nozzle
CN104832106A (en) * 2015-03-16 2015-08-12 中国石油化工股份有限公司 Improved pulse PDC bit for well drilling
CN105215415A (en) * 2014-05-27 2016-01-06 徐文霞 For the drill unit of processing equipment parts
CN106812462A (en) * 2016-12-28 2017-06-09 倪红坚 A kind of multidimensional percussion drilling tool
CN109812230A (en) * 2017-11-21 2019-05-28 中国石油天然气集团有限公司 A method of being installed on the tool combinations device and control fluid of underground
CN111550455A (en) * 2020-06-22 2020-08-18 西南石油大学 Automatic cleaning device for oil-submersible electric pump suction inlet
CN112112571A (en) * 2020-09-07 2020-12-22 中石化石油机械股份有限公司 Jet flow range-extending hydraulic oscillator
CN112796666A (en) * 2019-11-14 2021-05-14 中石化石油工程技术服务有限公司 Vibration coupling type drilling tool impactor

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101105115B (en) * 2006-07-12 2010-05-12 中国石油大学(北京) Waterpower pulse cavitation jet well drilling device and drill bit
CN101413380B (en) * 2008-11-20 2010-10-13 重庆大学 Multifunctional self-oscillation flow jet flow drill
CN101936135A (en) * 2010-03-05 2011-01-05 中国石油大学(北京) Underground water-hammer type pressure pulse generating tool
CN101864899A (en) * 2010-06-17 2010-10-20 山西潞安环保能源开发股份有限公司 Self-control shooting distance water jet drill
CN101864899B (en) * 2010-06-17 2012-07-25 山西潞安环保能源开发股份有限公司 Self-control shooting distance water jet drill
CN103806836B (en) * 2012-11-13 2016-05-25 中国石油大学(北京) Self-advancing type rotating jet jet rose
CN103806836A (en) * 2012-11-13 2014-05-21 中国石油大学(北京) Self-feeding rotary jet flow multi-hole spray nozzle
CN103277051A (en) * 2013-06-19 2013-09-04 天津市仕杰达能源技术开发有限公司 Self-excitation type pulse polycrystalline diamond compact (PDC) drill bit
CN103277051B (en) * 2013-06-19 2015-04-01 天津市仕杰达能源技术开发有限公司 Self-excitation type pulse polycrystalline diamond compact (PDC) drill bit
CN103790521A (en) * 2013-12-09 2014-05-14 中国石油大学(北京) Safe and efficient mud drilling jet mill bit for horizontal wells
CN105215415A (en) * 2014-05-27 2016-01-06 徐文霞 For the drill unit of processing equipment parts
CN104832106A (en) * 2015-03-16 2015-08-12 中国石油化工股份有限公司 Improved pulse PDC bit for well drilling
CN106812462A (en) * 2016-12-28 2017-06-09 倪红坚 A kind of multidimensional percussion drilling tool
CN109812230A (en) * 2017-11-21 2019-05-28 中国石油天然气集团有限公司 A method of being installed on the tool combinations device and control fluid of underground
CN112796666A (en) * 2019-11-14 2021-05-14 中石化石油工程技术服务有限公司 Vibration coupling type drilling tool impactor
CN111550455A (en) * 2020-06-22 2020-08-18 西南石油大学 Automatic cleaning device for oil-submersible electric pump suction inlet
CN111550455B (en) * 2020-06-22 2021-03-16 西南石油大学 Automatic cleaning device for oil-submersible electric pump suction inlet
CN112112571A (en) * 2020-09-07 2020-12-22 中石化石油机械股份有限公司 Jet flow range-extending hydraulic oscillator

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