CN102966305B - Near-bit circumferential resonance impacter - Google Patents
Near-bit circumferential resonance impacter Download PDFInfo
- Publication number
- CN102966305B CN102966305B CN201210543675.1A CN201210543675A CN102966305B CN 102966305 B CN102966305 B CN 102966305B CN 201210543675 A CN201210543675 A CN 201210543675A CN 102966305 B CN102966305 B CN 102966305B
- Authority
- CN
- China
- Prior art keywords
- resonance
- hammer
- impactor
- pipe nipple
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 239000007858 starting material Substances 0.000 claims abstract description 22
- 210000002445 nipple Anatomy 0.000 claims description 42
- 239000012530 fluid Substances 0.000 claims description 19
- 238000004080 punching Methods 0.000 claims description 18
- 210000002784 stomach Anatomy 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 210000004907 gland Anatomy 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 abstract description 13
- 239000011435 rock Substances 0.000 abstract description 8
- 230000003116 impacting effect Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 5
- 206010060904 Freezing phenomenon Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000009514 concussion Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to a near-bit circumferential resonance impacter. The near-bit circumferential resonance impacter comprises a housing pup joint, a guide part, the resonance impacter and a transmission pup joint, wherein the lower part of the housing pup joint is connected with the transmission pup joint; the guide part and the resonance impacter are mounted between the housing pup joint and the transmission pup joint; the guide part comprises a T-shaped inner lining pipe and a V-shaped outer sleeve pipe; the T-shaped inner lining pipe is arranged on the V-shaped outer sleeve pipe; a distribution hole is formed in the upper end of the V-shaped outer sleeve pipe; the lower end port of the V-shaped outer sleeve pipe is communicated with an inlet of the resonance impacter; an outlet of the resonance impacter is communicated with the transmission pup joint; the resonance impacter is provided with a hydraulic hammer; a hammer anvil on the outer surface of the hydraulic hammer is positioned in an impacting groove of a hammer housing; an impacting flow channel comprises the impacting groove; a positioning key on the inner surface of the hydraulic hammer extends into a positioning groove of a starter; and a pressure relief flow channel comprises the positioning groove. According to the near-bit circumferential resonance impacter, the stick slip phenomenon and the intermittent tool jamming phenomenon of a drill bit can be eliminated, the drill bit is guaranteed to stably break a rock, and the mechanical drilling speed is increased.
Description
One, technical field:
What the present invention relates to is the drilling tool that oil drilling breaks the use of rock technology field, and what be specifically related to is a kind of nearly drill bit circumference resonance impactor.
Two, background technology:
Along with deepening continuously of oil-gas exploration, difficulties in exploration increases day by day, well depth from middle-shallow layer to deep layer, ultra-deep layer extends, broken rock difficulty strengthens.Drill bit, at deep formation rock break-off process, can produce stick-slip effect, intermittent bit freezing phenomenon.The generation of this phenomenon is because drill teeth gathers the overlong time of amount of torsional energy when broken rock.This phenomenon makes nearly drill bit drill string periodically accumulate the moment of torsion of certain value, and after catalase under drill teeth, drill string intort energy discharges fast, so repeatedly.This phenomenon makes drill string produce and reverses concussion, makes drill bit rock break-off process extremely unstable, causes drill bit to destroy, and reduces bit life, improves drilling cost.
In comparatively hard formation, hard formation and abrasive layer, in order to improve the rate of penetration of drill bit, often use spinning or rush turning and drilling tool, as patent CN200710056325.1 describes a kind of jet flow type shocker of various small frequency large amplitude, large impact power.Although this kind of instrument can improve rate of penetration, drill bit stick-slip effect, intermittent bit freezing phenomenon can not be solved, and the unstability of bit performance can be aggravated further, even can strengthen the stick-slip effect of drill bit, shorten bit life.
In order to solve the problems such as the stick-slip effect of drill bit, intermittent bit freezing, increase the stability of bit operation, extend the use application life of drill bit, patent US6742609B2 devises the reverse impactor that a kind of mud turbine drives, patent 200910058083.9 devises the torsional impact drilling tool that a kind of drilling fluid helicoid hydraulic motor drives, but these two kinds of drilling tool complex structures, easily worn part are many and pressure consumption is comparatively large, and application life is restricted.
Three, summary of the invention:
The object of this invention is to provide a kind of nearly drill bit circumference resonance impactor, it for solve drill bit of the prior art in firmly break rock to hard formation or abrasive layer time drill bit stick-slip effect, intermittent bit freezing problem.
The technical solution adopted for the present invention to solve the technical problems is: this nearly drill bit circumference resonance impactor comprises shell pipe nipple, diversion component, resonance impactor, transmission pipe nipple, the bottom of shell pipe nipple is connected with transmission pipe nipple, installs diversion component, resonance impactor between shell pipe nipple and transmission pipe nipple; Diversion component is made up of T-shaped internal lining pipe and V-arrangement outer tube, and T-shaped internal lining pipe is sitting on V-arrangement outer tube, and there is tap hole the upper end of V-arrangement outer tube, and the lower port of V-arrangement outer tube communicates with resonance impactor entrance; The outlet of resonance impactor communicates with transmission pipe nipple, resonance impactor has Hydro-efflux Hammer, and the hammer anvil of Hydro-efflux Hammer external surface is positioned at the punching groove of hammer shell, impacts runner and comprises punching groove, the positioning key of Hydro-efflux Hammer inner surface extend in the locating slot of starter, and pressure release runner comprises locating slot; Resonance impactor is made up of gland, hammer shell, Hydro-efflux Hammer, seal retainer ring, starter, interior current divider, variable-flow nozzle, support ring and axle sleeve; Gland is on hammer shell, the two is inner formation fluid power impulse chamber after connecting, fluid power impulse chamber is provided with Hydro-efflux Hammer, starter, interior current divider, variable-flow nozzle, starter is placed between interior current divider and Hydro-efflux Hammer, variable-flow nozzle is arranged on current divider exit, and support ring is enclosed within interior current divider lower end; Hammer outer casing inner wall has axial symmetry punching groove, stomach wall half slot and pressure hole; Hydro-efflux Hammer external surface has axisymmetric hammer anvil, and inner surface has axisymmetric positioning key, has hammer anvil hole and location keyhole at hammer anvil and positioning key both sides; Starter external surface has axial symmetry protuberance and locating slot, has axial symmetry transitional pore over the projections, and flowing hole is arranged at starter bottom; Interior current divider is made up of relief hole and base, and its base is connected to hammer outer casing bottom; Pressure release runner is communicated successively formed by pressure hole, locating slot, location keyhole, stomach wall half slot, and stomach wall half slot exports with resonator and communicates; Impact runner to be communicated successively formed by relief hole, hammer anvil hole, punching groove, punching groove communicates with flowing hole through hammer anvil hole, and flowing hole exports with resonator and communicates.
In such scheme, between resonance impactor, transmission pipe nipple, location snap ring is set, for locating diversion component, resonance impactor and the position of transmission pipe nipple in shell pipe nipple.
Such scheme housing pipe nipple upper end pin thread is connected with top drill collar box end by API standard thread.
In such scheme, transmission pipe nipple lower end is connected with drill bit pin end by API standard thread.
Beneficial effect:
1, the circumference of the stable large frequency of periodic little amplitude that the present invention can produce is impacted, and this impulsive torque can eliminate the stick-slip phenomenon of drill bit and intermittent bit freezing phenomenon, ensures the stable broken rock of drill bit, improves rate of penetration.
2, physical dimension of the present invention is short, is applicable in the drilling technology of various liquid phase drilling fluid, and can be applied in inclination section, steady tilted section, the drop angle section of directional well.
3, the present invention does not have electronic unit, and size is less, and its course of work does not produce interference to MWD, LWD etc. with brill Electrical Measuring Instrument.Due to the use of this instrument, ensure that the stable of drill string internal torque and balance, reduce drill string and reverse concussion, be conducive to MWD, LWD etc. with the steady operation boring Electrical Measuring Instrument.
4, the present invention is complete hydraulic machine structure, and easily worn part is few, working stability, long service life, is conducive to reducing drilling cost.
Four, accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A sectional view in Fig. 1;
Fig. 3 is the B-B sectional view in Fig. 1;
Fig. 4 is the C-C sectional view in Fig. 1.
1-shell pipe nipple; 2-T shape internal lining pipe; 3-V shape outer tube; 4-gland; The 5-axle collar; 6-Hydro-efflux Hammer; 7-starter; 8-axle sleeve; 9-support ring; 10-locates snap ring; 11-transmission pipe nipple; 12-seal retainer ring; Current divider in 13-; 14-variable-flow nozzle; 15-hammers shell into shape; 16-tap hole; 17-flowing hole; 18-locates keyhole; 19-positioning key; 20-stomach wall half slot; 21-locating slot; 22-pressure hole; 23-protuberance; 24-transitional pore; 25-hammer anvil; 26-hammer anvil hole; 27-relief hole; 28-punching groove.
Five, detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Figure 1, this nearly drill bit circumference resonance impactor comprises shell pipe nipple 1, diversion component, resonance impactor, transmission pipe nipple 11, shell pipe nipple 1 upper end pin thread is connected with top drill collar box end by API standard thread, the lower end of shell pipe nipple 1 is connected with location snap ring 10, transmission pipe nipple 11 gap, diversion component, resonance impactor are installed between shell pipe nipple 1 and transmission pipe nipple 11, outside, diversion component, resonance impactor are interior for shell pipe nipple 1.
Shown in composition graphs 2, diversion component is made up of T-shaped internal lining pipe 2 and V-arrangement outer tube 3, and the outward flange of T-shaped internal lining pipe 2 is sitting in V-arrangement outer tube 3 upper port, and there is tap hole 16 upper end of V-arrangement outer tube 3, and the lower port of V-arrangement outer tube 3 communicates with resonance impactor entrance; The outlet of resonance impactor communicates with transmission pipe nipple 11.Transmission pipe nipple 11 lower end is connected with drill bit pin end by API standard thread.Location snap ring 10 is set between resonance impactor, transmission pipe nipple 11, for locating diversion component, resonance impactor and the position of transmission pipe nipple 11 in shell pipe nipple 1.T-shaped internal lining pipe 2 extend in V-arrangement outer tube 3, have living space bottom the V-arrangement of the outlet distance V-arrangement outer tube 3 of T-shaped internal lining pipe 2, this spatial class exports with V-arrangement outer tube 3 respectively like a threeway, T-shaped internal lining pipe 2, annular space between V-arrangement outer tube 3 with T-shaped internal lining pipe 2 outer wall communicates, tap hole 16 is arranged on the annular space place between V-arrangement outer tube 3 and T-shaped internal lining pipe 2 outer wall, the outer wall guided drilling liquid of T-shaped internal lining pipe 2 flows to the tap hole 16 of V-arrangement outer tube 3 upper end, the pressure hole 22 that the fluid that tap hole 16 distributes hammers shell 15 into shape by resonance impactor enters into resonance impactor inside, T-shaped internal lining pipe 2 inwall is that drilling fluid carried by interior current divider 13.
Shown in composition graphs 3, Fig. 4, resonance impactor is made up of gland 4, hammer shell 15, Hydro-efflux Hammer 6, seal retainer ring 12, starter 7, interior current divider 13, variable-flow nozzle 14, support ring 9 and axle sleeve 8; Gland 4 is on hammer shell 15, the two is inner formation fluid power impulse chamber after connecting, fluid power impulse chamber is provided with Hydro-efflux Hammer 6, starter 7, interior current divider 13, variable-flow nozzle 14, starter 7 overlaps between interior current divider 13 and Hydro-efflux Hammer 6, variable-flow nozzle 14 is arranged on resonator exit, support ring 9 is enclosed within interior current divider 13 lower end, Hydro-efflux Hammer 6 is being hammered the axle sleeve 8 on shell 15 into shape, is being done cyclic movement between seal retainer ring 12 and support ring 9, and starter 7 does cyclic movement between seal retainer ring 12, support ring 9; The upper and lower axle collar of Hydro-efflux Hammer 6 is arranged on hammer shell 15; Upper and lower support ring is arranged on interior current divider 13, and supports starter 7.Hammer shell 15 inwall has axial symmetry punching groove 28, stomach wall half slot 20 and pressure hole 22; Hydro-efflux Hammer 6 external surface has axisymmetric hammer anvil 25, and inner surface has axisymmetric positioning key 19, has hammer anvil hole 26 and location keyhole 18 at hammer anvil 25 and positioning key 19 both sides; Starter 7 external surface has axial symmetry protuberance 23 and locating slot 21, and protuberance 23 has axial symmetry transitional pore 24, and flowing hole 17 is arranged at starter 7 bottom; Interior current divider 13 is made up of relief hole 27 and base, and its base is connected to bottom hammer shell 15; Pressure release runner is communicated successively formed by pressure hole 22, locating slot 21, location keyhole 18, stomach wall half slot 20, and stomach wall half slot 20 exports with resonator and communicates; Impact runner to be communicated successively formed by relief hole 27, hammer anvil hole 26, punching groove 28, punching groove 28 communicates with flowing hole 17 through hammer anvil hole 26, and flowing hole 17 exports with resonator and communicates.
During resonance impactor work of the present invention, the drill collar cover of driver pipe nipple 1 of rotation rotates, and shell pipe nipple 1 drives and transmits short circuit 11, and transmission pipe nipple 11 is connected with drill bit and drives bit, the inlet opening of fluid enclosure pipe nipple 1 enters into T-shaped internal lining pipe 2, and shunt in V-arrangement outer tube 3, core flow enters interior current divider 13 by hammering shell 15 into shape, part upward fluid has tap hole 16 to flow to V-arrangement outer tube 3 and hammer gland 4 forms space, by diversion component through interior current divider 13 to resonator exit portion, internal flow can be divided into three parts: a part of fluid enters interior current divider 13 by hammering shell 15 into shape and, directly arrives resonator outlet from variable-flow nozzle out, the pressure hole 22 that part fluid flows through hammer shell 15 through the tap hole 16 of V-arrangement outer tube 3 enters in locating slot 21, and flow out to stomach wall half slot 20 from location keyhole 18, finally come resonator outlet, the transitional pore 24 that the relief hole 27 of last part fluid in interior current divider 13 flows through the protuberance 23 of starter 7 enters hammer anvil hole 26, finally enter into punching groove 28, and finally enter into flowing hole 17 from punching groove 28 by hammer anvil hole 26, this part fluid and front two parts fluid export at resonator and converge, so fluid enters into transmit short circuit 11, annular space space is entered again through bit nozzle, under the acting in conjunction of Part II and Part III fluid, hammer anvil 25 repeatedly moves and impacts punching groove 28 in punching groove 28, produces circumferential resonance and impacts, and pass to drill bit by transmission pipe nipple 11.
Below be only realize an embodiment of the invention, based on this inventive principle other form of structure within the scope of the present invention.
Claims (4)
1. a nearly drill bit circumference resonance impactor, it is characterized in that: this nearly drill bit circumference resonance impactor comprises shell pipe nipple (1), diversion component, resonance impactor, transmission pipe nipple (11), the bottom of shell pipe nipple (1) is connected with transmission pipe nipple (11), installs diversion component, resonance impactor between shell pipe nipple (1) and transmission pipe nipple (11); Diversion component is made up of T-shaped internal lining pipe (2) and V-arrangement outer tube (3), T-shaped internal lining pipe (2) is sitting on V-arrangement outer tube (3), there is tap hole (16) upper end of V-arrangement outer tube (3), and the lower port of V-arrangement outer tube (3) communicates with resonance impactor entrance; The outlet of resonance impactor communicates with transmission pipe nipple (11), resonance impactor has Hydro-efflux Hammer (6), the hammer anvil (25) of Hydro-efflux Hammer (6) external surface is positioned at the punching groove (28) of hammer shell (15), impact runner and comprise punching groove (28), the positioning key (19) of Hydro-efflux Hammer (6) inner surface extend in the locating slot (21) of starter (7), and pressure release runner comprises locating slot (21); Resonance impactor is made up of gland (4), hammer shell (15), Hydro-efflux Hammer (6), seal retainer ring (12), starter (7), interior current divider (13), variable-flow nozzle (14), support ring (9) and axle sleeve (8); Gland (4) is on hammer shell (15), the two is inner formation fluid power impulse chamber after connecting, fluid power impulse chamber is provided with Hydro-efflux Hammer (6), starter (7), interior current divider (13), variable-flow nozzle (14), starter (7) is placed between interior current divider (13) and Hydro-efflux Hammer (6), variable-flow nozzle (14) is arranged on interior current divider (13) exit, and support ring (9) is enclosed within interior current divider (13) lower end; Hammer shell (15) inwall has axial symmetry punching groove (28), stomach wall half slot (20) and pressure hole (22); Hydro-efflux Hammer (6) external surface has axisymmetric hammer anvil (25), inner surface has axisymmetric positioning key (19), has hammer anvil hole (26) and location keyhole (18) at hammer anvil (25) and positioning key (19) both sides; Starter (7) external surface has axial symmetry protuberance (23) and locating slot (21), protuberance (23) has axial symmetry transitional pore (24), and flowing hole (17) is arranged at starter (7) bottom; Interior current divider (13) is made up of relief hole (27) and base, and its base is connected to hammer shell (15) bottom; Pressure release runner is communicated successively formed by pressure hole (22), locating slot (21), location keyhole (18), stomach wall half slot (20), and stomach wall half slot (20) exports with resonator and communicates; Impact runner to be communicated successively formed by relief hole (27), hammer anvil hole (26), punching groove (28), punching groove (28) communicates with flowing hole (17) through hammer anvil hole, and flowing hole (17) exports with resonator and communicates.
2. nearly drill bit circumference resonance impactor according to claim 1, is characterized in that: arrange location snap ring (10) between described resonance impactor, transmission pipe nipple (11).
3. nearly drill bit circumference resonance impactor according to claim 1, is characterized in that: described shell pipe nipple (1) upper end pin thread is connected with top drill collar box end by API standard thread.
4. nearly drill bit circumference resonance impactor according to claim 1, is characterized in that: described transmission pipe nipple (11) lower end is connected with drill bit pin end by API standard thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210543675.1A CN102966305B (en) | 2012-12-11 | 2012-12-11 | Near-bit circumferential resonance impacter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210543675.1A CN102966305B (en) | 2012-12-11 | 2012-12-11 | Near-bit circumferential resonance impacter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966305A CN102966305A (en) | 2013-03-13 |
| CN102966305B true CN102966305B (en) | 2014-12-31 |
Family
ID=47796711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210543675.1A Expired - Fee Related CN102966305B (en) | 2012-12-11 | 2012-12-11 | Near-bit circumferential resonance impacter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102966305B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563859B (en) * | 2013-10-13 | 2017-04-12 | 成都恩承科技股份有限公司 | Hydro-hammer |
| CN103628815B (en) * | 2013-11-20 | 2016-03-30 | 中国石油集团渤海钻探工程有限公司 | A kind of nearly drill bit reverses, Oscillatory Coupling impactor |
| CN103628819B (en) * | 2013-11-20 | 2016-04-20 | 中国石油集团渤海钻探工程有限公司 | A kind of nearly drill bit reverse impactor |
| CN103821452B (en) * | 2014-03-11 | 2016-01-20 | 东北石油大学 | A kind of frequency low-amplitude axial impact device |
| CN104989307B (en) * | 2015-07-17 | 2017-08-01 | 东北石油大学 | A kind of circumferential impactor of hydraulic oscillation |
| CN105298381B (en) * | 2015-10-19 | 2017-06-06 | 西南石油大学 | The mud motor of efficient rock-breaking is realized using complex vibration impact |
| CN105804655B (en) * | 2016-05-12 | 2018-11-16 | 万晓跃 | A kind of rotary valve commutation type hydrodynamic circumferential direction impactor implementation method and structure |
| CN111963049A (en) * | 2019-05-20 | 2020-11-20 | 中国石油天然气集团有限公司 | Hydraulic axial vibration impact rock breaker |
| CN113565432B (en) * | 2021-09-05 | 2022-07-08 | 东北石油大学 | Jet-type impactor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09324592A (en) * | 1996-06-04 | 1997-12-16 | Yuji Kaneko | Boring device with hammer |
| WO2010043757A1 (en) * | 2008-10-13 | 2010-04-22 | Oy Atlas Copco Rotex Ab | Method and drilling apparatus for down-the-hole drilling |
| CN102454364A (en) * | 2010-10-19 | 2012-05-16 | 中国石油化工集团公司 | Torsional impact drilling tool |
| EP2518255A1 (en) * | 2009-12-22 | 2012-10-31 | IN, Suk Sin | Air hammer for a boring machine |
| CN203050499U (en) * | 2012-12-11 | 2013-07-10 | 李玮 | Near-bit peripheral resonance impactor |
-
2012
- 2012-12-11 CN CN201210543675.1A patent/CN102966305B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09324592A (en) * | 1996-06-04 | 1997-12-16 | Yuji Kaneko | Boring device with hammer |
| WO2010043757A1 (en) * | 2008-10-13 | 2010-04-22 | Oy Atlas Copco Rotex Ab | Method and drilling apparatus for down-the-hole drilling |
| EP2518255A1 (en) * | 2009-12-22 | 2012-10-31 | IN, Suk Sin | Air hammer for a boring machine |
| CN102454364A (en) * | 2010-10-19 | 2012-05-16 | 中国石油化工集团公司 | Torsional impact drilling tool |
| CN203050499U (en) * | 2012-12-11 | 2013-07-10 | 李玮 | Near-bit peripheral resonance impactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102966305A (en) | 2013-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102966305B (en) | Near-bit circumferential resonance impacter | |
| CN103628819B (en) | A kind of nearly drill bit reverse impactor | |
| CN103628815B (en) | A kind of nearly drill bit reverses, Oscillatory Coupling impactor | |
| CN101105115B (en) | Waterpower pulse cavitation jet well drilling device and drill bit | |
| CN102454364B (en) | Torsional impact drilling tool | |
| CN108915583B (en) | Mechanical composite impact drilling speed tool | |
| CN203594365U (en) | Near-bit torsional impactor | |
| CN103075097A (en) | Torsional impact drilling acceleration tool | |
| CN206129207U (en) | Novel oscillatory surge ware based on turbine and cam | |
| CN203145879U (en) | Combined core drilling tool for improving core drilling effect of broken stratum | |
| CN109025805B (en) | Pulse jet hydraulic impactor | |
| CN107605396A (en) | A kind of shunting penetrates suction hydraulic impacter | |
| CN203614029U (en) | Turbine torsional impact generator | |
| CN203050499U (en) | Near-bit peripheral resonance impactor | |
| CN106437518B (en) | A kind of throttle type pulse vibration well drilling tool | |
| CN103821452B (en) | A kind of frequency low-amplitude axial impact device | |
| CN103670269A (en) | Turbine torsional impact generator | |
| CN203594356U (en) | Near-bit torsion and oscillation coupling impactor | |
| CN203035142U (en) | Downhole plug-valve-type impulsator | |
| CN111395967A (en) | Hydraulic harmonic high-power reinforced vibrator excited by screw | |
| CN208845097U (en) | A kind of composite impact drilling speed device | |
| CN110725646B (en) | Jet type three-dimensional composite impactor | |
| CN115788307A (en) | Drilling tool with coupled two-stage drill bit and vibration impact and high-pressure pulse jet | |
| CN207795050U (en) | A kind of frequency low-amplitude complex vibration impactor | |
| CN206129158U (en) | Throttle formula pulse vibration drilling tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180423 Address after: 163319 new industrial incubator 1, 705, torch new street, Daqing high tech Zone, Heilongjiang, China, 705 Patentee after: Daqing East oil run Petroleum Technology Co.,Ltd. Address before: 163319 Daqing high tech Development Zone, Heilongjiang Province Road No. 199 Co-patentee before: Li Wei Patentee before: Yan Tie |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |