CN203701951U - Torsion impact generator - Google Patents
Torsion impact generator Download PDFInfo
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- CN203701951U CN203701951U CN201420040141.1U CN201420040141U CN203701951U CN 203701951 U CN203701951 U CN 203701951U CN 201420040141 U CN201420040141 U CN 201420040141U CN 203701951 U CN203701951 U CN 203701951U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract description 20
- 238000005553 drilling Methods 0.000 abstract description 19
- 241000251131 Sphyrna Species 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a torsion impact generator which comprises a torsion impact generator body, the upper end of the torsion impact generator body is provided with a conversion connector for connecting with a drill collar, the lower end of the torsion impact generator body is provided with a drill sleeve for connecting with a drill, the torsion impact generator body comprises a shell body, a flow guide sleeve, an anvil block, a hammerhead, a positioning sleeve and a screen pipe. An anti-falling step shoulder is arranged inside the shell body, the anti-falling step shoulder is connected with the upper portion of the drill sleeve, the flow guide sleeve is located inside the shell body and is located below the conversion connector, the anvil block is located inside the shell body and is located below the flow guide sleeve, and a sealed cover is arranged between the anvil block and the flow guide sleeve. According to the torsion impact generator, structure is compact, moving parts are less, directly acting the torsion impact conversed from drilling fluid energy on the drill can be achieved, the rate of penetration is improved, meanwhile, stick-slip vibration of the drill is eliminated, and drilling stability of the drill is improved.
Description
Technical Field
The utility model belongs to oil and gas drilling equipment field especially relates to a torsional impact generator.
Background
At present, the land oil gas exploration and development of China shows the trend of developing from east to west to deep wells and ultra-deep wells, and meanwhile, the ocean oil gas development gradually turns to deep sea from beach sea and shallow sea. Along with the gradual development of oil and gas exploration to deep sea areas of deep bottom fishes, drilling operation faces more and more complex bottom environment and difficult problems of drilling process, the exploration and exploitation difficulty is increased continuously, in the drilling process of deep wells and ultra-deep wells, along with the increase of well depth, the hardness and plasticity of rocks are increased, the abrasiveness is enhanced, the drillability is poor, and the stick-slip vibration of drilling tools at the lower part is severe. The stick-slip vibration phenomenon of the drilling tool not only causes the reduction of the mechanical drilling speed, but also can cause the occurrence of underground accidents, and seriously influences the implementation of oil-gas exploration and development.
Patent US6742609B2 discloses an impact structure driven by a turbine, and patent CN103075097 discloses a driving impact mechanism adopting a runner switching to form a high-pressure cavity and a low-pressure cavity, wherein the driving impact mechanism and the low-pressure cavity can form high-frequency torsional impact and directly transmit the impact to a drill bit, but the driving impact mechanism and the low-pressure cavity have the defects that: the impact piece with the ratchet wheel as the geometric mechanism is abraded quickly, consumed pressure drop is large, and the service life of the whole tool is shortened; the latter has the disadvantages that: (1) rock debris can enter a gap between the housing spline and the drill bit sleeve spline groove, causing tool failure; (2) the spring in the anti-drop device is easy to deform or break in high-frequency motion, so that the anti-drop block moves inwards to cause the drill drop phenomenon; (3) according to the disclosed structure, the sealing cover and the flow guide sleeve are of an integrated structure, so that unreasonable parts exist, and the failure of the tool is accelerated; (4) the throttling nozzle and the sieve tube are integrated, so that the pressure is not convenient to adjust.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
The utility model provides a torsional impact generator for avoiding the defects of the prior art.
The utility model discloses the technical scheme who adopts does:
a torsional impact generator comprises a torsional impact generator body, wherein the upper end of the torsional impact generator body is provided with a conversion joint used for being connected with a drill collar, the lower end of the torsional impact generator body is provided with a drill bit sleeve used for being connected with a drill bit, the torsional impact generator body comprises a shell, a flow guide sleeve, an anvil block, a hammer head, a positioning sleeve and a sieve tube, a drop-proof shoulder is arranged inside the shell and connected with the upper part of the drill bit sleeve, the flow guide sleeve is arranged inside the shell and positioned below the conversion joint, the anvil block is arranged inside the shell and positioned below the flow guide sleeve, a sealing cover is arranged between the anvil block and the flow guide sleeve, the anvil block is of a hollow structure, two impact cavities are arranged inside the anvil block, the sieve tube is positioned inside the anvil block, the upper end of the sieve tube is in sealing connection with the flow guide sleeve, and the lower end of the sieve tube, the positioning sleeve is positioned between the anvil block and the sieve tube, the upper part and the lower part of the positioning sleeve are respectively connected with the sieve tube through a shaft collar, two starting cavities are arranged on the outer side of the positioning sleeve, the hammer head is positioned in the anvil block, the upper end of the hammer head is connected with the sealing cover, the lower end of the hammer head is fixed on the anvil block through the shaft collar, the hammer head comprises an impact hammer head and a starting hammer head, the impact hammer head is positioned in the impact cavities and can rotate, and the starting hammer head is positioned in.
Four diversion trenches are distributed on the anvil block, wherein two diversion trenches are connected with the starting cavity through a forward striking starting runner, and the other two diversion trenches are connected with the starting cavity through a reverse striking starting runner.
The positioning sleeve is of a hollow structure, and a starting cavity positive impact liquid discharge groove and a starting cavity counter impact liquid discharge groove are formed in the positioning sleeve.
The screen pipe is in a circular tube shape, the middle part of the screen pipe is evenly provided with a side flow groove, the lower part of the screen pipe is evenly provided with a liquid discharge hole, and the screen pipe is also provided with a throttling nozzle which is positioned between the side flow groove and the liquid discharge hole.
The shell is cylindrical, and four shell splines of 45 degrees and four shell spline grooves of 45 degrees corresponding to the shell splines respectively are uniformly distributed at the lower end of the shell; four drill bit sleeve splines of 40 degrees and four drill bit sleeve spline grooves of 50 degrees corresponding to the drill bit sleeve splines respectively are uniformly distributed at the lower end of the drill bit sleeve, and clearance fit is formed between the shell splines and the drill bit sleeve spline grooves.
A plurality of shunting grooves are uniformly distributed on the flow guide sleeve.
The torsional impact generator body further comprises a desander, and the desander comprises the flow guide sleeve and a funnel arranged in the flow guide sleeve.
A flow guide through hole is formed in the adapter from top to bottom.
And a protective sleeve is arranged on the outer side of the drill bit sleeve.
The sealing cover comprises a top cover plate and a sealing part fixedly connected with the top cover plate, through holes for the upper part of the sieve tube to pass through are formed in the top cover plate and the sealing part, through holes are formed in the top cover plate, and the sealing part comprises clamping protrusions matched with the impact cavities.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:
1. the utility model discloses can convert the fluid energy of drilling fluid into the broken rock power of the torsional, impacted type shaft bottom machinery of circumference, and drill bit sleeve structure in the invention can guarantee that this shaft bottom machinery breaks the rock power and can in time transmit the drill bit, and the stability that the drill bit bored strengthens, in addition, the utility model discloses well no other drilling tools such as turbine worm, the easy-to-wear spare is few, and the pressure drop of consumption is few, long service life.
2. The utility model provides a prevent falling the circular bead and make the security that creeps into improve, the monomer formula design of sealed lid and water conservancy diversion cover for hydraulic structure is more reasonable, and the life of instrument improves, and the monomer formula design of throttle nozzle can satisfy and creep into the in-process and change the requirement of using to the nozzle because of pressure needs.
3. The utility model discloses a compact structure, moving part is few, can directly act on the drill bit with the torsional impact that the fluid energy conversion of drilling fluid came, when having improved the speed of mechanical drilling, has eliminated the stick-slip vibration of drill bit, has improved the stability that the drill bit creeped into.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B of fig. 2.
Fig. 4 is a schematic structural diagram of the middle hammer head of the present invention.
Fig. 5 is a schematic structural view of the middle flow guide sleeve of the present invention.
Fig. 6 is a schematic structural view of the middle positioning sleeve of the present invention.
Fig. 7 is a schematic structural view of the sealing cover of the present invention.
Fig. 8 is a schematic structural view of the screen pipe of the present invention.
Fig. 9 is a schematic structural view of the anvil block of the present invention.
Fig. 10 is a schematic view of a first operating state of the present invention.
Fig. 11 is a schematic view of a second operating state of the present invention.
Fig. 12 is a schematic view of a third operating state of the present invention.
Fig. 13 is a schematic view of a fourth operating state of the present invention.
Fig. 14 is a cross-sectional view taken along line C-C of fig. 2.
Wherein,
1. the drilling bit comprises a drilling bit sleeve 2, a shell 3, a sieve tube 4, a throttling nozzle 5, a shaft collar 6, a positioning sleeve 7, a hammer 8, an anvil 9, a sealing cover 10, a diversion sleeve 11, a hopper 12, a conversion joint 13, a diversion through hole 14, a sand remover 15, a side flow groove 16, a liquid discharge hole 17, an anti-drop shoulder 18, a positive impact surface 19, a positioning sleeve flow passage 20, a counter impact surface 21, an impact cavity 22, a diversion groove 23, a drainage groove 24, a positive impact flow passage 25, an impact cavity positive impact liquid discharge groove 26, an impact cavity counter impact liquid discharge groove 27, an impact hammer 28, a starting cavity 29, a starting cavity counter impact liquid discharge groove 30, a counter impact starting flow passage 31, a starting hammer 32, a starting cavity positive impact liquid discharge groove 33, a protective sleeve 34, a diversion groove 35, a top cover plate 36, a sealing part 37, a clamping protrusion, Housing spline 40, drill sleeve spline
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 14, a torsional impact generator includes a torsional impact generator body, the upper end of the torsional impact generator body is provided with a crossover sub 12 for connecting with a drill collar, the inside of the crossover sub 12 is provided with a flow guiding through hole 13 from top to bottom, the lower end of the torsional impact generator body is provided with a drill sleeve 1 for connecting with a drill, the torsional impact generator body includes a shell 2, a flow guiding sleeve 10, an anvil block 8, a hammer 7, a positioning sleeve 6 and a sieve tube 3, the inside of the shell 2 is provided with an anti-drop shoulder 17, the anti-drop shoulder 17 is connected with the upper part of the drill sleeve 1, the shell 2 is cylindrical, and the lower end of the shell 2 is uniformly provided with four 45-degree shell splines and four 45-degree shell spline grooves corresponding to the shell splines 39; the lower end of the drill bit sleeve 1 is uniformly provided with four 40-degree drill bit sleeve splines 40 and four 50-degree drill bit sleeve spline grooves corresponding to the drill bit sleeve splines 40, the shell spline 39 and the drill bit sleeve spline grooves form clearance fit, the guide sleeve 10 is positioned in the shell 2 and below the adapter 12, the guide sleeve 10 is uniformly provided with a plurality of branch chutes 34, the torsional impact generator body further comprises a desander 14, and the desander 14 comprises the guide sleeve 10 and a funnel 11 arranged in the guide sleeve 10; the anvil block 8 is located inside the casing 2 and below the flow guide sleeve 10, a sealing cover 9 is disposed between the anvil block 8 and the flow guide sleeve 10, the sealing cover 9 includes a top cover plate 35 and a sealing portion 36 fixedly connected to the top cover plate 35, through holes for allowing the upper portion of the sieve tube 3 to pass through are formed in the top cover plate 35 and the sealing portion 36, a through hole 38 is formed in the top cover plate 35, the anvil block 8 is of a hollow structure, two impact cavities 21 are disposed inside the anvil block 8, the sealing portion 36 includes a clamping protrusion 37 adapted to the impact cavities 21, the sieve tube 3 is located inside the anvil block 8, the upper end of the sieve tube 3 is hermetically connected to the flow guide sleeve 10, the lower end of the sieve tube 3 is fixedly connected to the lower portion of the anvil block 8, the sieve tube 3 is in a circular tube shape, side flow grooves 15 are uniformly distributed in the middle portion of the sieve tube, liquid discharge holes 16 are uniformly distributed in the lower portion of the sieve, the positioning sleeve 6 is positioned between the anvil 8 and the sieve tube 3, the upper part and the lower part of the positioning sleeve are respectively connected with the sieve tube 3 through a shaft collar 5, two starting cavities 28 are arranged outside the positioning sleeve 6, the hammer 7 is positioned inside the anvil 8, the upper end of the hammer is connected with the sealing cover 9, the lower end of the hammer is fixed on the anvil 8 through the shaft collar 5, the hammer 7 comprises an impact hammer 27 and a starting hammer 31, the impact hammer 27 is positioned in the impact cavity 21 and can rotate, the starting hammer 31 is positioned in the starting cavity 28 and can rotate, four diversion grooves 22 are distributed on the anvil 8, two diversion grooves are connected with the starting cavities 28 through a forward striking starting runner 24, the other two diversion grooves are connected with the starting cavities 28 through a back striking starting runner 30, the positioning sleeve 6 is of a hollow structure, a positioning sleeve runner 19, a starting cavity forward striking liquid discharge groove 32 and a starting cavity back striking liquid discharge groove 29 are arranged on the, the outside of drill bit sleeve 1 is provided with protective sheath 33 to prevent that grit from getting into casing 2 and hindering drill bit sleeve 1's rotation, be provided with positive impact surface and counterimpact surface in the impact chamber 21, still be provided with discharge chute 23, impact chamber just-beating flowing back groove 25 and impact chamber counterattack flowing back groove 26 on the anvil 8.
The utility model discloses a theory of operation does: the drill collar drives the shell 2 to rotate, the shell 2 drives the drill sleeve 1 through the shell spline 39 to further drive the drill to continuously rotate and shear stratum rocks, meanwhile, drilling fluid enters the torsional impact generator body through the adapter, part of the drilling fluid flowing into the torsional impact generator body directly flows through the middle channel of the sieve tube 3 to the drill, part of the drilling fluid flows into the forward impact starting runner 24 or the reverse impact starting runner 30 through the diversion trench 22, and is reserved in the drainage groove 23 and discharged through the drainage hole 16 after entering the starting cavity 28, and the other part of the drilling fluid flows through the positioning sleeve runner through the lateral flow groove 15 and is discharged through the drainage hole 16 after entering the impact cavity 21.
The utility model discloses a working process does: fig. 10 is a cross-sectional view of the moment when the forward rotation of the hammer 7 is completed, that is, the moment when the impact hammer 27 impacts the anvil 8 from the front side, and the positioning sleeve 6 rotates with the hammer 7 during the rotation, on one hand, when the impact hammer 27 impacts the anvil 8 and stops forward rotation, the positioning sleeve 6 continues forward rotation due to inertia, on the other hand, the starting cavity 28 is gradually transferred to the other side of the starting hammer 31, high-pressure fluid passes through the counterattack starting flow channel 30 from the diversion groove 22 and then enters the newly formed starting cavity through the starting cavity counterattack liquid discharge groove 29, so that the forward rotation of the positioning sleeve 6 is accelerated, the fluid in the starting cavity 28 is compressed due to the forward rotation of the positioning sleeve 6, and is discharged to the discharge groove 23 from the starting cavity. When the clockwise rotation of the positioning sleeve 6 is finished, the torsional impact generator body enters a working state shown in fig. 11, at the moment, the hammer 7 and the positioning sleeve 6 cannot clockwise rotate, the high-pressure fluid entering a newly formed starting cavity 28 from the counterattack starting flow passage 30 pushes the hammer 7 to reversely rotate, the positive impact surface 18 begins to be separated from the anvil block 8 and form an impact cavity 21, at the moment, the fluid in the impact cavity positive impact liquid discharge groove 25 of the positioning sleeve counterattack flow passage enters the impact cavity 21 and accelerates the reverse rotation of the hammer 7, the impact cavity 21 formed by the counterattack surface 20 and the anvil block 8 on the other side of the impact hammer 27 is continuously reduced, the internal fluid is discharged from the impact cavity counterattack liquid discharge groove 26, when the hammer 7 is reversely rotated, the torsional impact generator body enters the working state shown in fig. 12, in the process of the reverse rotation of the hammer 7, the hammer 7 drives the positioning sleeve 6 to rotate together, on the one hand, when the impact hammer 27 impacts the anvil block 8 to stop, on the other hand, the starting cavity 28 is transferred to the other side of the starting hammer 31, high-pressure fluid passes through the forward striking starting flow channel 24 from the diversion trench 22 and then enters the starting cavity 28 through the forward striking drainage trench 32 of the starting cavity to accelerate the reverse rotation of the positioning sleeve 6, the fluid in the starting cavity 28 is compressed due to the reverse rotation of the positioning sleeve 6, and the fluid is discharged to the drainage trench 23 from the reverse striking drainage trench 29 of the starting cavity. When the sleeve 6 to be positioned is completely reversed, the torsional impact generator enters a working state shown in fig. 13, at this time, the hammer 7 and the sleeve 6 cannot be reversed, the high-pressure fluid entering the starting cavity 28 through the forward striking starting flow channel 24 pushes the hammer 7 to start reversing, the reverse impact surface 20 starts to be separated from the anvil block 8 to form an impact cavity 21, at this time, the fluid entering the impact cavity 21 through the impact cavity reverse striking liquid discharge groove 26 through the positioning sleeve forward striking flow channel and accelerating the forward rotation of the hammer 7, and when the forward rotation of the hammer 7 is completed, the tool enters a working state shown in fig. 10 again, so that the clockwise impact process and the anticlockwise impact process of the impact hammer 27 can be alternately carried out under the driving of the fluid.
The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.
Although terms such as drill sleeve 1, screen 3, collar 5, adapter 12, flow passage 13, drop prevention shoulder 17, drainage groove 23, impingement cavity counter-blow off groove 26, activation cavity 28, protective casing 33, snap-fit projections 37, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
It is further understood that the specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A torsional impact generator characterized by: the rotary drill bit comprises a rotary impact generator body, wherein the upper end of the rotary impact generator body is provided with a conversion joint used for being connected with a drill collar, the lower end of the rotary impact generator body is provided with a drill bit sleeve used for being connected with a drill bit, the rotary impact generator body comprises a shell, a flow guide sleeve, an anvil block, a hammer head, a positioning sleeve and a sieve tube, the shell is internally provided with an anti-drop shoulder, the anti-drop shoulder is connected with the upper portion of the drill bit sleeve, the flow guide sleeve is positioned in the shell and below the conversion joint, the anvil block is positioned in the shell and below the flow guide sleeve, a sealing cover is arranged between the anvil block and the flow guide sleeve, the anvil block is of a hollow structure, two impact cavities are arranged in the anvil block, the sieve tube is positioned in the anvil block, the upper end of the sieve tube is hermetically connected with the flow guide sleeve, the lower end of the sieve tube is, The lower part is respectively connected with the sieve tube through a shaft collar, two starting cavities are arranged on the outer side of the positioning sleeve, the hammer head is positioned in the anvil block, the upper end of the hammer head is connected with the sealing cover, the lower end of the hammer head is fixed on the anvil block through the shaft collar, the hammer head comprises an impact hammer head and a starting hammer head, the impact hammer head is positioned in the impact cavity and can rotate, and the starting hammer head is positioned in the starting cavity and can rotate.
2. A torsional impact generator as claimed in claim 1, characterized in that: four diversion trenches are distributed on the anvil block, wherein two diversion trenches are connected with the starting cavity through a forward striking starting runner, and the other two diversion trenches are connected with the starting cavity through a reverse striking starting runner.
3. A torsional impact generator as claimed in claim 1, characterized in that: the positioning sleeve is of a hollow structure, and a starting cavity positive impact liquid discharge groove and a starting cavity counter impact liquid discharge groove are formed in the positioning sleeve.
4. A torsional impact generator as claimed in claim 1, characterized in that: the screen pipe is in a circular tube shape, the middle part of the screen pipe is evenly provided with a side flow groove, the lower part of the screen pipe is evenly provided with a liquid discharge hole, the screen pipe is further provided with a throttling nozzle, and the throttling nozzle is positioned between the side flow groove and the liquid discharge hole.
5. A torsional impact generator as claimed in claim 1, characterized in that: the shell is cylindrical, and four shell splines of 45 degrees and four shell spline grooves of 45 degrees corresponding to the shell splines respectively are uniformly distributed at the lower end of the shell; four drill bit sleeve splines of 40 degrees and four drill bit sleeve spline grooves of 50 degrees corresponding to the drill bit sleeve splines respectively are uniformly distributed at the lower end of the drill bit sleeve, and clearance fit is formed between the shell splines and the drill bit sleeve spline grooves.
6. A torsional impact generator as claimed in claim 1, characterized in that: a plurality of shunting grooves are uniformly distributed on the flow guide sleeve.
7. A torsional impact generator as claimed in claim 6, characterized in that: the torsional impact generator body further comprises a desander, and the desander comprises the flow guide sleeve and a funnel arranged in the flow guide sleeve.
8. A torsional impact generator as claimed in claim 1, characterized in that: a flow guide through hole is formed in the adapter from top to bottom.
9. A torsional impact generator as claimed in claim 1, characterized in that: and a protective sleeve is arranged on the outer side of the drill bit sleeve.
10. A torsional impact generator as claimed in claim 1, characterized in that: the sealing cover comprises a top cover plate and a sealing part fixedly connected with the top cover plate, through holes for the upper part of the sieve tube to pass through are formed in the top cover plate and the sealing part, through holes are formed in the top cover plate, and the sealing part comprises clamping protrusions matched with the impact cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420040141.1U CN203701951U (en) | 2014-01-22 | 2014-01-22 | Torsion impact generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420040141.1U CN203701951U (en) | 2014-01-22 | 2014-01-22 | Torsion impact generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203701951U true CN203701951U (en) | 2014-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420040141.1U Expired - Fee Related CN203701951U (en) | 2014-01-22 | 2014-01-22 | Torsion impact generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN203701951U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481396A (en) * | 2014-11-14 | 2015-04-01 | 刘国经 | Injection-type hydraulic dive-hole hammer of plunger valve |
| CN104533283A (en) * | 2014-12-26 | 2015-04-22 | 长江大学 | Hydraulic circumferential torque impact generator |
| CN105443034A (en) * | 2015-12-03 | 2016-03-30 | 克拉玛依市新锋锐金刚石钻头制造有限公司 | Frequency-adjustable torque force impact acceleration device |
| CN105840098A (en) * | 2016-04-16 | 2016-08-10 | 东北石油大学 | Hydraulic impactor |
| CN107401374A (en) * | 2017-09-14 | 2017-11-28 | 长江大学 | A kind of torsion impact speed-raising instrument |
| CN107842307A (en) * | 2017-11-24 | 2018-03-27 | 中石化石油工程技术服务有限公司 | A kind of drilling well torsion impact device and method |
| CN105178846B (en) * | 2015-09-28 | 2018-10-16 | 中国石油天然气集团公司 | Damping rock crushing tool |
| CN109555471A (en) * | 2018-11-21 | 2019-04-02 | 中国石油大学(华东) | A kind of rotation type torsion impact generating device and its working method |
| CN110295847A (en) * | 2019-07-02 | 2019-10-01 | 周廷荪 | Drilling well with drop preventing mechanism mentions effect device |
| 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 |
| CN112065278A (en) * | 2020-09-17 | 2020-12-11 | 重庆科技学院 | Down-the-hole hammer swing orienting device |
-
2014
- 2014-01-22 CN CN201420040141.1U patent/CN203701951U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481396A (en) * | 2014-11-14 | 2015-04-01 | 刘国经 | Injection-type hydraulic dive-hole hammer of plunger valve |
| CN104481396B (en) * | 2014-11-14 | 2016-06-22 | 刘国经 | Plunger valve jet absorption type hydraulic hole drilling hammer |
| CN104533283A (en) * | 2014-12-26 | 2015-04-22 | 长江大学 | Hydraulic circumferential torque impact generator |
| CN105178846B (en) * | 2015-09-28 | 2018-10-16 | 中国石油天然气集团公司 | Damping rock crushing tool |
| CN105443034A (en) * | 2015-12-03 | 2016-03-30 | 克拉玛依市新锋锐金刚石钻头制造有限公司 | Frequency-adjustable torque force impact acceleration device |
| CN105840098B (en) * | 2016-04-16 | 2018-02-23 | 东北石油大学 | Hydraulic impacter |
| CN105840098A (en) * | 2016-04-16 | 2016-08-10 | 东北石油大学 | Hydraulic impactor |
| CN107401374A (en) * | 2017-09-14 | 2017-11-28 | 长江大学 | A kind of torsion impact speed-raising instrument |
| CN107842307A (en) * | 2017-11-24 | 2018-03-27 | 中石化石油工程技术服务有限公司 | A kind of drilling well torsion impact device and method |
| CN109555471A (en) * | 2018-11-21 | 2019-04-02 | 中国石油大学(华东) | A kind of rotation type torsion impact generating device and its working method |
| 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 |
| CN110295847A (en) * | 2019-07-02 | 2019-10-01 | 周廷荪 | Drilling well with drop preventing mechanism mentions effect device |
| CN110295847B (en) * | 2019-07-02 | 2020-04-07 | 周廷荪 | Well drilling effect lifting device with anti-falling mechanism |
| CN112065278A (en) * | 2020-09-17 | 2020-12-11 | 重庆科技学院 | Down-the-hole hammer swing orienting device |
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