CN102979479B - Electric plaster throwing device and use method thereof - Google Patents
Electric plaster throwing device and use method thereof Download PDFInfo
- Publication number
- CN102979479B CN102979479B CN201210527228.7A CN201210527228A CN102979479B CN 102979479 B CN102979479 B CN 102979479B CN 201210527228 A CN201210527228 A CN 201210527228A CN 102979479 B CN102979479 B CN 102979479B
- Authority
- CN
- China
- Prior art keywords
- throwing
- transmission shaft
- mounting groove
- power transmission
- bar
- 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.)
- Active
Links
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides an electric plaster throwing device and a use method thereof, and the device and the method overcome the defects of the prior art and can effectively solve the problem that a traditional plaster throwing method has hidden safety hazards; the electric plaster throwing device comprises a computer, a ground perforating instrument, a motor controller, a node loop positioning device, a plaster throwing tube, a throwing rod, glass and an electric throwing rod device; the electric throwing rod device comprises a device body, a transmission shaft, a motor and a throwing rod connector; a motor installation groove, a transmission block installation groove and a transmission shaft installation groove of which the diameters are decreased in sequence and which are communicated with each other are formed from the upper part of the electric throwing rod device body to the middle part of the electric throwing rod device body from top to down; and the lower part of the electric throwing rod device body is provided with a lower installation groove with the diameter being more than that of the transmission shaft installation groove which is communicated with the transmission shaft installation groove. According to the electric plaster throwing device and the use method thereof, not only is the working efficiency of plaster throwing improved and are the hidden safety hazards reduced but also the people training cost is reduced through the matched use of the computer, the ground perforating instrument, the motor controller, the node loop positioning device, the plaster throwing tube, the throwing rod and the electric throwing rod device.
Description
Technical field
The present invention relates to down-hole and throw gray technology field, is a kind of electronic throwing apparatus for ash and using method thereof.
Background technology
Throw grey closing process due to cable and there is the features such as short construction period, accurate, the accurate location of throwing ash quantity and low cost, generally adopt in the stratum sealing technique of each elephant at home, but traditional cable throw grey closing process often adopt detonator carry out explosion throw grey mode and clash into throw grey mode, but these two kinds throw grey modes there is following problem:
1, electric cable explosion throws ash owing to adopting the priming system such as detonator, in priming system transport, uses and manages and there is security risk;
2, electric cable explosion throws the job that requires special skills of ash genus, requires higher to constructor, and must obtain explosion working qualification card can operate, and there is the limitation of operation;
3, due to the unstability (as miso-fire, miss-firing) that detonator exists, there is the double risks of construction quality and construction safety;
Injury is there is in the big current 4, putting detonator to cable;
5, impacting type throwing ash exists and can not once clash into successful risk, and transfers the problem of clashing into and there is cable wringing and damaging fast.
Find out thus, traditional employing detonator carries out explosion and throws grey mode and adopt the grey mode safe class of shock throwing low, is prone to accidents, existing very large potential safety hazard.
Summary of the invention
The invention provides a kind of electronic throwing apparatus for ash and using method thereof, overcome the deficiency of above-mentioned prior art, it effectively can solve the problem that traditional throwing ash mode exists potential safety hazard.
One of technical scheme of the present invention is realized by following measures: a kind of electronic throwing apparatus for ash, comprise computer, ground perforation instrument, Motor Control instrument, joint hoop locator, throw grey cylinder, throw bar, glass and electronic throwing lever apparatus, electronic throwing lever apparatus comprises body, power transmission shaft, motor and bar drop sub, in the top of body to middle part, sequentially there is diameter sequentially to diminish and the motor mounting groove communicated from top to bottom, drive block mounting groove and power transmission shaft mounting groove, diameter is had to be greater than power transmission shaft mounting groove diameter in the bottom of body and the lower mounting groove communicated with power transmission shaft mounting groove, motor mounting groove internal fixtion is provided with motor, drive block is set with in drive block mounting groove, power output shaft and the drive block of motor are fixedly installed togather, power transmission shaft is fixed with in the lower end of drive block, power transmission shaft is positioned at power transmission shaft mounting groove and lower mounting groove, the bottom outer wall of power transmission shaft there is guide thread, the power transmission shaft of guide thread upper end is installed with stopping means, the inner upper end of bar drop sub has mounting groove, the lower end of power transmission shaft is fixedly mounted in mounting groove by screw thread, the lower inner wall of lower mounting groove there is gathering sill, the bar drop sub outer wall of corresponding gathering sill is fixed with projection, projection is positioned at gathering sill, the lower end of bar drop sub is fixed with joint, the upper end of body is installed with joint hoop locator, the lower end of body is installed with throws grey cylinder, the lower end of throwing grey cylinder is installed with glass, can the throwing bar of shattered glass when the lower end of bar drop sub is installed with whereabouts, the signal output part of joint hoop locator is electrically connected by the signal input part of cable and ground perforation instrument, the signal output part of ground perforation instrument is electrically connected by the signal input part of cable and computer, the signal output part of computer is electrically connected by the signal input part of cable and Motor Control instrument, the signal output part of Motor Control instrument is electrically connected by the control power switch input of cable and motor.
Here is the further optimization and/or improvements to one of foregoing invention technical scheme:
Power transmission shaft outer wall between the lower end of above-mentioned drive block and drive block mounting groove bottom surface can be set with upper ball bearing; Power transmission shaft outer wall between the upper surface of lower mounting groove and stopping means is set with successively lower ball bearing, upper adjustment pad, thrust bearing and lower adjustment pad from top to bottom.
Power transmission shaft outer wall between the lower surface of above-mentioned upper ball bearing and drive block mounting groove bottom surface can be provided with V-shaped seal ring, power transmission shaft outer wall between the upper surface of lower mounting groove and the upper surface of lower ball bearing is provided with lower V-shaped seal ring, the power transmission shaft outer wall between upper V-shaped seal ring and lower V-shaped seal ring and be provided with sealing ring between power transmission shaft mounting groove inwall.
Above-mentioned stopping means can be stop nut.
Can have drive cavity in the top of above-mentioned drive block, the inwall of drive cavity has keyway, the outer wall of power output shaft is fixed with key, and key is arranged in keyway.
The upper end of above-mentioned body can be installed with joint hoop locator by screw thread, and the lower end of body is installed with by screw thread throws grey cylinder, and the lower end of bar drop sub is installed with throwing bar by screw thread.
Two of technical scheme of the present invention is realized by following measures: a kind of using method of electronic throwing apparatus for ash, the first step, by joint hoop locator, electronic throwing lever apparatus, throws grey cylinder, throwing bar and glass execution part electricity consumption cable feeding down-hole as a whole; Second step, joint hoop position signalling is sent to ground perforation instrument by cable by joint hoop locator, the joint hoop position signalling received is sent to computer by cable by ground perforation instrument, computer converts the signal received to data signal, locates the operating position of execution part in down-hole by computer; 3rd step, after location enforcement division divides arrival assigned address, motor start signal is sent to Motor Control instrument by cable by computer, the motor start signal received is sent to Motor Control power switch by Motor Control instrument, Motor Control power switch is opened, motor rotates, and then drives drive axis, and bar drop sub does rectilinear motion downwards together with throwing bar simultaneously; 4th step, when bar drop sub and power transmission shaft depart from, bar drop sub does the movement of falling object downwards together with throwing bar, finally crashes the glass throwing grey cylinder bottom with certain impact, carries out throwing grey operation after glass crashes.
The present invention by computer, ground perforation instrument, Motor Control instrument, joint hoop locator, throw grey cylinder, throw bar and electronic throwing lever apparatus with the use of, not only increase the operating efficiency of throwing ash, reduce potential safety hazard, also reduce the cost of start-up.
Accompanying drawing explanation
Accompanying drawing 1 is the syndeton schematic diagram of embodiment 1.
Accompanying drawing 2 is that the master of electronic throwing lever apparatus in embodiment 1 looks sectional structure schematic diagram.
Coding in accompanying drawing is respectively: 1 is body, 2 is power transmission shaft mounting groove, 3 is drive block mounting groove, 4 is power transmission shaft, 5 is drive block, 6 is drive cavity, 7 is keyway, 8 is cable, 9 is motor, 10 is power output shaft, 11 is key, 12 is upper ball bearing, 13 is lower mounting groove, 14 is guide thread, 15 is stopping means, 16 is lower ball bearing, 17 is upper adjustment pad, 18 is thrust bearing, 19 is lower adjustment pad, 20 is bar drop sub, 21 is mounting groove, 22 is gathering sill, 23 is projection, 24 is joint, 25 is upper V-shaped seal ring, 26 is lower V-shaped seal ring, 27 is sealing ring, 28 is computer, 29 is ground perforation instrument, 30 is Motor Control instrument, 31 is joint hoop locator, 32 for throwing grey cylinder, 33 for throwing bar, 34 is glass, 35 is motor mounting groove.
Detailed description of the invention
The present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
Below in conjunction with embodiment and accompanying drawing, the invention will be further described:
Embodiment 1, as shown in accompanying drawing 1,2, this electronic throwing apparatus for ash comprises computer 28, ground perforation instrument 29, Motor Control instrument 30, joint hoop locator 31, throws grey cylinder 32, throws bar 33, glass 34 and electronic throwing lever apparatus, and electronic throwing lever apparatus comprises body 1, power transmission shaft 4, motor 9 and bar drop sub 20, in the top of body 1 to middle part, sequentially there is diameter sequentially to diminish and the motor mounting groove 35 communicated from top to bottom, drive block mounting groove 3 and power transmission shaft mounting groove 2, diameter is had to be greater than power transmission shaft mounting groove 2 diameter in the bottom of body 1 and the lower mounting groove 13 communicated with power transmission shaft mounting groove 2, motor mounting groove 35 internal fixtion is provided with motor 9, drive block 5 is set with in drive block mounting groove 3, power output shaft 10 and the drive block 5 of motor 9 are fixedly installed togather, power transmission shaft 4 is fixed with in the lower end of drive block 5, power transmission shaft 4 is positioned at power transmission shaft mounting groove 2 and lower mounting groove 13, the bottom outer wall of power transmission shaft 4 there is guide thread 14, the power transmission shaft 4 of guide thread 14 upper end is installed with stopping means 15, the inner upper end of bar drop sub 20 has mounting groove 21, the lower end of power transmission shaft 4 is fixedly mounted in mounting groove 21 by screw thread, the lower inner wall of lower mounting groove 13 there is gathering sill 22, bar drop sub 20 outer wall of corresponding gathering sill 22 is fixed with projection 23, projection 23 is positioned at gathering sill 22, the lower end of bar drop sub 20 is fixed with joint 24, the upper end of body 1 is installed with joint hoop locator 31, the lower end of body 1 is installed with throws grey cylinder 32, the lower end of throwing grey cylinder 32 is installed with glass 34, can the throwing bar 33 of shattered glass when the lower end of bar drop sub 20 is installed with whereabouts, the signal output part of joint hoop locator 31 is electrically connected by the signal input part of cable 8 with ground perforation instrument 29, the signal output part of ground perforation instrument 29 is electrically connected by the signal input part of cable 8 with computer 28, the signal output part of computer 28 is electrically connected by the signal input part of cable 8 with Motor Control instrument 30, the signal output part of Motor Control instrument 30 is electrically connected by the control power switch input of cable 8 with motor 9.The power output shaft 10 of motor 9 is fixedly installed togather with drive block 5, when power output shaft 10 rotates, drive block 5 can rotate simultaneously, and then drive power transmission shaft 4 to rotate together, because the lower end of bar drop sub 20 with power transmission shaft 4 is fixedly mounted by screw thread, and the projection 23 on bar drop sub 20 is arranged in gathering sill 22, therefore, when power transmission shaft 4 rotates, bar drop sub 20 can only do axial rectilinear motion under the effect of projection 23 and gathering sill 22.
According to actual needs, above-mentioned electronic throwing lever apparatus can be made further optimization and/or improvements:
As shown in Figure 2, power transmission shaft 4 outer wall between the lower end of drive block 5 and drive block mounting groove 3 bottom surface is set with upper ball bearing 12; Power transmission shaft 4 outer wall between the upper surface of lower mounting groove 13 and stopping means 15 is set with successively lower ball bearing 16, upper adjustment pad 17, thrust bearing 18 and lower adjustment pad 19 from top to bottom.Bearing structure adopts upper ball bearing 12 and lower ball bearing 16 to carry out the righting of power transmission shaft 4, realizes motor 9 bear pressure from down-hole by thrust bearing 18 and upper adjustment pad 17 and lower adjustment pad 19.
As shown in Figure 1, power transmission shaft 4 outer wall between the lower surface of upper ball bearing 12 and drive block mounting groove 3 bottom surface is provided with V-shaped seal ring 25, power transmission shaft 4 outer wall between the upper surface of lower mounting groove 13 and the upper surface of lower ball bearing 16 is provided with lower V-shaped seal ring 26, power transmission shaft 4 outer wall between upper V-shaped seal ring 25 and lower V-shaped seal ring 26 and be provided with sealing ring 27 between power transmission shaft mounting groove 2 inwall.The sealing of motor 9 adopts upper V-shaped seal ring 25 to carry out primary seal, between power transmission shaft 4 outer wall and power transmission shaft mounting groove 2 inwall, fixedly mount sealing ring 27 afterwards, finally on power transmission shaft 4 outer wall between the upper surface and the upper surface of lower ball bearing 16 of lower mounting groove 13, the pressure bearing and seal that lower V-shaped seal ring 26 realizes motor 9 is installed.
As shown in Figure 2, stopping means 15 is stop nut.
As shown in Figure 2, have drive cavity 6 in the top of drive block 5, the inwall of drive cavity 6 has keyway 7, the outer wall of power output shaft 10 is fixed with key 11, and key 11 is arranged in keyway 7.By the installation of key and keyway, when the power output shaft 10 of motor rotates, drive block 5 can be driven to rotate simultaneously, and then drive power transmission shaft 4 to rotate simultaneously.
As shown in Figure 1, the upper end of body 1 is installed with joint hoop locator 31 by screw thread, and the lower end of body 1 is installed with by screw thread throws grey cylinder 32, and the lower end of bar drop sub 20 is installed with by screw thread throws bar 33.
Embodiment 2, the using method of this electronic throwing apparatus for ash is carried out in the steps below: the first step, by joint hoop locator 31, electronic throwing lever apparatus, throws grey cylinder 32, throws bar 33 and glass 34 execution part electricity consumption cable 8 as a whole and send into down-hole; Second step, joint hoop position signalling is sent to ground perforation instrument 29 by cable 8 by joint hoop locator 31, the joint hoop position signalling received is sent to computer 28 by cable 8 by ground perforation instrument 29, computer 28 converts the signal received to data signal, locates the operating position of execution part in down-hole by computer 28; 3rd step, after location enforcement division divides arrival assigned address, motor start signal is sent to Motor Control instrument 30 by cable 8 by cable by computer 28, motor 9 start signal received is sent to motor 9 and controls power switch by Motor Control instrument 30, motor 9 controls power switch and opens, motor 9 rotates, and then drives power transmission shaft 4 to rotate, and bar drop sub 20 does rectilinear motion downwards together with throwing bar 33 simultaneously; 4th step, when bar drop sub 20 departs from power transmission shaft 4, bar drop sub 20 does the movement of falling object downwards together with throwing bar 33, finally crashes the glass 34 throwing grey cylinder bottom with certain impact, carries out throwing grey operation after glass 34 crashes.
Claims (10)
1. an electronic throwing apparatus for ash, it is characterized in that comprising computer, ground perforation instrument, Motor Control instrument, joint hoop locator, throw grey cylinder, throw bar, glass and electronic throwing lever apparatus, electronic throwing lever apparatus comprises body, power transmission shaft, motor and bar drop sub, in the top of body to middle part, sequentially there is diameter sequentially to diminish and the motor mounting groove communicated from top to bottom, drive block mounting groove and power transmission shaft mounting groove, diameter is had to be greater than power transmission shaft mounting groove diameter in the bottom of body and the lower mounting groove communicated with power transmission shaft mounting groove, motor mounting groove internal fixtion is provided with motor, drive block is set with in drive block mounting groove, power output shaft and the drive block of motor are fixedly installed togather, power transmission shaft is fixed with in the lower end of drive block, power transmission shaft is positioned at power transmission shaft mounting groove and lower mounting groove, the bottom outer wall of power transmission shaft there is guide thread, the power transmission shaft of guide thread upper end is installed with stopping means, the inner upper end of bar drop sub has mounting groove, the lower end of power transmission shaft is fixedly mounted in mounting groove by screw thread, the lower inner wall of lower mounting groove there is gathering sill, the bar drop sub outer wall of corresponding gathering sill is fixed with projection, projection is positioned at gathering sill, the upper end of body is installed with joint hoop locator, the lower end of body is installed with throws grey cylinder, the lower end of throwing grey cylinder is installed with glass, can the throwing bar of shattered glass when the lower end of bar drop sub is installed with whereabouts, the signal output part of joint hoop locator is electrically connected by the signal input part of cable and ground perforation instrument, the signal output part of ground perforation instrument is electrically connected by the signal input part of cable and computer, the signal output part of computer is electrically connected by the signal input part of cable and Motor Control instrument, the signal output part of Motor Control instrument is electrically connected by the control power switch input of cable and motor.
2. electronic throwing apparatus for ash according to claim 1, is characterized in that the power transmission shaft outer wall between the lower end of drive block and drive block mounting groove bottom surface is set with upper ball bearing; Power transmission shaft outer wall between the upper surface of lower mounting groove and stopping means is set with successively lower ball bearing, upper adjustment pad, thrust bearing and lower adjustment pad from top to bottom.
3. electronic throwing apparatus for ash according to claim 2, it is characterized in that the power transmission shaft outer wall between the lower surface of upper ball bearing and drive block mounting groove bottom surface is provided with V-shaped seal ring, power transmission shaft outer wall between the upper surface of lower mounting groove and the upper surface of lower ball bearing is provided with lower V-shaped seal ring, the power transmission shaft outer wall between upper V-shaped seal ring and lower V-shaped seal ring and be provided with sealing ring between power transmission shaft mounting groove inwall.
4. the electronic throwing apparatus for ash according to claim 1 or 2 or 3, is characterized in that stopping means is stop nut.
5. the electronic throwing apparatus for ash according to claim 1 or 2 or 3, have drive cavity in the top that it is characterized in that drive block, the inwall of drive cavity has keyway, and the outer wall of power output shaft is fixed with key, and key is arranged in keyway.
6. electronic throwing apparatus for ash according to claim 4, have drive cavity in the top that it is characterized in that drive block, the inwall of drive cavity has keyway, and the outer wall of power output shaft is fixed with key, and key is arranged in keyway.
7. the electronic throwing apparatus for ash according to claim 1 or 2 or 3, it is characterized in that the upper end of body is installed with joint hoop locator by screw thread, the lower end of body is installed with by screw thread throws grey cylinder, and the lower end of bar drop sub is installed with throwing bar by screw thread.
8. electronic throwing apparatus for ash according to claim 4, is characterized in that the upper end of body is installed with joint hoop locator by screw thread, and the lower end of body is installed with by screw thread throws grey cylinder, and the lower end of bar drop sub is installed with throwing bar by screw thread.
9. electronic throwing apparatus for ash according to claim 5, is characterized in that the upper end of body is installed with joint hoop locator by screw thread, and the lower end of body is installed with by screw thread throws grey cylinder, and the lower end of bar drop sub is installed with throwing bar by screw thread.
10. the using method of an electronic throwing apparatus for ash according to claim 1 to 9 any one, it is characterized in that carrying out in the steps below: the first step, by joint hoop locator, electronic throwing lever apparatus, throw grey cylinder, throwing bar and glass execution part electricity consumption cable feeding down-hole as a whole; Second step, joint hoop position signalling is sent to ground perforation instrument by cable by joint hoop locator, the joint hoop position signalling received is sent to computer by cable by ground perforation instrument, computer converts the signal received to data signal, locates the operating position of execution part in down-hole by computer; 3rd step, after location enforcement division divides arrival assigned address, motor start signal is sent to Motor Control instrument by cable by computer, the motor start signal received is sent to Motor Control power switch by Motor Control instrument, Motor Control power switch is opened, motor rotates, and then drives drive axis, and bar drop sub does rectilinear motion downwards together with throwing bar simultaneously; 4th step, when bar drop sub and power transmission shaft depart from, bar drop sub does the movement of falling object downwards together with throwing bar, finally crashes the glass throwing grey cylinder bottom with certain impact, carries out throwing grey operation after glass crashes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210527228.7A CN102979479B (en) | 2012-12-10 | 2012-12-10 | Electric plaster throwing device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210527228.7A CN102979479B (en) | 2012-12-10 | 2012-12-10 | Electric plaster throwing device and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102979479A CN102979479A (en) | 2013-03-20 |
| CN102979479B true CN102979479B (en) | 2015-07-08 |
Family
ID=47853799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210527228.7A Active CN102979479B (en) | 2012-12-10 | 2012-12-10 | Electric plaster throwing device and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102979479B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452526B (en) * | 2013-09-13 | 2016-06-01 | 中国石油集团西部钻探工程有限公司 | Electric hydaulic bridging plug seating and sealing unit |
| CN106014331B (en) * | 2016-07-11 | 2019-03-19 | 中国石油化工股份有限公司华东油气分公司泰州采油厂 | A kind of cable note cement cap tool |
| CN114482914B (en) * | 2020-10-27 | 2024-10-22 | 中国石油化工股份有限公司 | Plugging device for oil-water well and use method |
| CN116084884A (en) * | 2021-11-08 | 2023-05-09 | 中国石油天然气集团有限公司 | Electric slide valve switch control device |
| CN116104443B (en) * | 2021-11-11 | 2024-10-15 | 中国石油天然气集团有限公司 | Controllable electric throw-rod releasing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394244A (en) * | 2000-10-23 | 2003-01-29 | 里特机械公司 | Device on spinning machine for compacting fibre bundle |
| CN1831292A (en) * | 2005-03-11 | 2006-09-13 | 四川石油管理局测井公司 | Cable transport cement ejecting device for sealing high-pressure oil-gas well |
| CN201502356U (en) * | 2009-09-17 | 2010-06-09 | 新疆石油管理局试油公司 | Detonation soot feeding barrel |
| CN102061903A (en) * | 2010-12-29 | 2011-05-18 | 禹栽星 | Ash pouring cylinder with function of pouring at fixed depth |
| CN102116139A (en) * | 2010-12-31 | 2011-07-06 | 中国石油天然气集团公司 | Ash throwing type oil pipe plug |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7600572B2 (en) * | 2000-06-30 | 2009-10-13 | Bj Services Company | Drillable bridge plug |
-
2012
- 2012-12-10 CN CN201210527228.7A patent/CN102979479B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394244A (en) * | 2000-10-23 | 2003-01-29 | 里特机械公司 | Device on spinning machine for compacting fibre bundle |
| CN1831292A (en) * | 2005-03-11 | 2006-09-13 | 四川石油管理局测井公司 | Cable transport cement ejecting device for sealing high-pressure oil-gas well |
| CN201502356U (en) * | 2009-09-17 | 2010-06-09 | 新疆石油管理局试油公司 | Detonation soot feeding barrel |
| CN102061903A (en) * | 2010-12-29 | 2011-05-18 | 禹栽星 | Ash pouring cylinder with function of pouring at fixed depth |
| CN102116139A (en) * | 2010-12-31 | 2011-07-06 | 中国石油天然气集团公司 | Ash throwing type oil pipe plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102979479A (en) | 2013-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102979479B (en) | Electric plaster throwing device and use method thereof | |
| CN105545306B (en) | Cut into a mountain rock drilling tunnel stone-splitter | |
| CN101906988A (en) | Remote-control underground gas extraction drilling machine | |
| RU2011100795A (en) | BOREHOLES USING MAGNETIC MOVEMENT TRANSDUCERS | |
| CN104375167A (en) | Down-hole coal seam earthquake CT detection vibroseis and method based on seismal waves excited by spring | |
| CN107342026A (en) | A kind of construction site safe construction alarming device | |
| CN103015892A (en) | Variable-diameter stabilizer and variable-diameter stabilizer system | |
| CN201908565U (en) | Base plate anchor rope drilling machine for coal mine tunnel | |
| CN206299343U (en) | A kind of oil and gas well drilling reaming hole device | |
| CN201661242U (en) | Large-aperture petroleum drilling and production impactor | |
| CN201843518U (en) | Vehicle-mounted petroleum drill and power head thereof | |
| CN204920929U (en) | Well drilling well completion oil reservoir intelligence hierarchy treatment controlling means | |
| CN106761547A (en) | Novel down-hole electronic controlled power is switched | |
| CN103291239B (en) | A kind of fisher concussion method and device | |
| CN202148873U (en) | Electric centralizer | |
| CN202946107U (en) | Electric bar dropper device | |
| CN105569558A (en) | Percussion drill with pneumatic piston device | |
| CN201306132Y (en) | Tripping and eccentric wear preventing centralizer of oil well pump | |
| CN203022626U (en) | Reducing stabilizer and system thereof | |
| CN201874456U (en) | Mining water drill | |
| CN204457384U (en) | For the hanging outdoor unit block stopping apparatus of rolling-gate | |
| CN203716869U (en) | Drill rod coupler of raise boring machine | |
| CN205638214U (en) | Strike and bore with air piston device | |
| CN202673216U (en) | Large displacement well vibration tool | |
| CN201953622U (en) | Hemispherical rotational flow rotating plunger piston oil pump |
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: 20201106 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 834000 the Xinjiang Uygur Autonomous Region Karamay Friendship Road No. 115 joint office building Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |