CN204344032U - A kind of advance Qian Chu aggregate motion mechanism for coring apparatus device - Google Patents
A kind of advance Qian Chu aggregate motion mechanism for coring apparatus device Download PDFInfo
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- CN204344032U CN204344032U CN201420427584.6U CN201420427584U CN204344032U CN 204344032 U CN204344032 U CN 204344032U CN 201420427584 U CN201420427584 U CN 201420427584U CN 204344032 U CN204344032 U CN 204344032U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 239000012530 fluid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000007771 core particle Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
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Abstract
A kind of advance Qian Chu aggregate motion mechanism for coring apparatus device.It comprises supporting seat, thrust guide plate, load guide plate, slide block, drive block, connecting rod, straight pin; Described load guide plate comprises horizontal guide slot, vertically gathering sill straightway and vertical gathering sill arc section; Described drive block is connected by the via hole of connecting rod with thrust guide plate, described slide block slides in the gathering sill of load guide plate, described drive block drives described thrust guide plate along when sliding in the chute of supporting seat, and described slide block drives motor to complete the movement locus of rotation, advance, swing.
Description
Technical field
The utility model relates to coring apparatus device field, relates more specifically to a kind of advance Qian Chu aggregate motion mechanism for coring apparatus device.
Background technology
This part provides the background technical information that the utility model is relevant, and it may not be prior art.
In the exploration and development process of oil, extensively adopt the mode of drilling well.Adopt Log Methods to determine character and the oil-gas possibility of bottom in prior art, namely the nature parameters on stratum is measured along borehole axis, then formation characteristics is judged by technician by analyzing, this method is also referred to as " the indirect identification method of oil reservoir ", but this method exists the shortcoming of human error.
Also there is another kind of method in prior art, namely in drilling process, use core bit formation repeatedly to get core, thus directly determine formation characteristics, but this method exists the shortcomings such as cost is high, efficiency is low, have a big risk.
For this reason, side-wall coring method is developed in recent years.The method by cable under coring tool to down-hole, and navigate to stratum core got to the borehole wall.Side-wall coring method has two kinds at present: a kind of method is impacting type side-wall coring method, but it has the primary characteristic that dangerous core particle that is large, that get is less, destroy core, can not accurately reflect the shortcomings such as reservoir primitive character.A kind of method is also had to be drilling type well wall coring method.
Rotating corer adopt hydraulic transmission technology, make the hollow diamond drilling bit vertical rotary borehole wall obtain core, corer complete in down-hole creep into, roll over core, bore move back, push away the compound actions such as core.
Tradition corer motion is divided into several:
One is that employing two power sources provide power for motion, and coordinated by multiple motion, carry out respectively creeping into, rolling over core action, motion is more complicated, and intermediate link is many, and trouble point is also increased thereupon.
One adopts single power source to provide power for motion, by the combination of multi-motion, completes and creep into, roll over core action, but its forms of motion is larger to motion wearing and tearing, need often to change, its core removal process goes out after advancing, before motor, namely get core, knockout after motor, core will pass through motor endoporus, is limited to motor diameter of bore, does not increase the size of getting core diameter by changing drill bit, and maintenance load is larger, cost is higher.
Utility model content
This part provides main utility model content of the present utility model, and is not that full breadth of the present utility model or institute are characteristic comprehensively open.
The technical problems to be solved in the utility model is to provide a kind of reliability and durability, motion for going out before the advance of corer, its core removal process goes out before advancing, namely before motor, core is got, knockout before motor, core does not pass through motor endoporus, for drilling head moduleization design lays the first stone, the utility model motion process is steadily round and smooth, less to mechanism wear, can use cost be reduced, reduce the workload of maintenance.
In order to solve the problem, the utility model provides a kind of aggregate motion mechanism for going out before the advance of corer, comprising: supporting seat, thrust guide plate, load guide plate, slide block, drive block etc.Supporting seat and corer shell are fixed, and comprise chute and two pillars, and two pillars of described supporting seat are inserted in two chutes of load guide plate; Described thrust guide plate contacts with described supporting seat, comprises a chute and two via holes and bossy body; Described load guide plate is connected by a straight pin with described thrust guide plate, described load guide plate comprises two gathering sills and two chutes, wherein the shape of horizontal guide slot and the chute arc section shape of described supporting seat consistent, the gathering sill of vertical direction comprises two sections: straightway and arc section; Described drive block is connected with a via hole of thrust guide plate by connecting rod, described slide block slides in the vertical gathering sill of load guide plate and the chute of thrust guide plate, described drive block drives described thrust guide plate along when sliding in the chute of supporting seat, and described slide block drives motor to complete the movement locus of rotation, advance, swing.
The utility model provides following scheme:
1. the aggregate motion mechanism for going out before the advance of corer, is characterized in that: comprise supporting seat (1), thrust guide plate (2), load guide plate (3), slide block (4), drive block (6), connecting rod (5), straight pin (7); Described load guide plate (3) comprises horizontal guide slot (16), vertically gathering sill straightway (17) and vertical gathering sill arc section (18); Described drive block (6) is connected with the via hole (12) of thrust guide plate by connecting rod (5), described slide block (4) slides in the gathering sill of load guide plate (3), described drive block (6) drives described thrust guide plate (2) along when sliding in the chute of supporting seat (1), and described slide block (4) drives motor (27) to complete the movement locus of rotation, advance, swing.
2. the aggregate motion mechanism for going out before the advance of corer according to scheme 1, wherein, described supporting seat (1) and corer shell are fixed, and comprise chute (8), oblique chute (9); Described thrust guide plate (2) contacts with described supporting seat (1), and comprises chute (14) and via hole (12), and described load guide plate (3) is connected by straight pin (7) with described thrust guide plate (2).
3. the aggregate motion mechanism for going out before the advance of corer according to scheme 1, wherein, described drive block (6) is connected with the via hole (12) of thrust guide plate by connecting rod (5), described slide block (4) is the vertical gathering sill straightway (17) of load guide plate, slide in the chute (14) of vertical gathering sill arc section (18) and thrust guide plate (2), when described drive block (6) drives described thrust guide plate (2) to slide in the chute (8) and oblique chute (9) of supporting seat (1), described slide block (4) drives motor (27) to complete rotation, advance, the movement locus swung.
4. the aggregate motion mechanism for going out before the advance of corer according to scheme 1, wherein, supporting seat (1) also comprises pillar (10), pillar (11), the pillar (10) of supporting seat (1) is inserted in the chute (22) of load guide plate (3), and the pillar (11) of supporting seat (1) is inserted in the chute (19) of load guide plate (3).
5. the aggregate motion mechanism for going out before the advance of corer according to scheme 1, wherein, thrust guide plate (2) also comprises bossy body (15) and via hole (13), before motor (27) rotates, bossy body (15) contacts with the pillar (10) of supporting seat (1), after starting rotation, bossy body (15) disengages with the pillar (10) of supporting seat (1).
6. the aggregate motion mechanism for going out before the advance of corer according to scheme 1, wherein, load guide plate (3) also comprises chute (22), chute (19) and via hole (21), vertical gathering sill arc section (18) have been sunk a thickness vertical gathering sill straightway (17), and this thickness ensures that the straight line body (23) of slide block (4) is not inserted in vertical gathering sill arc section (18); The geometry center of circle of horizontal guide slot (16) overlaps with the geometry center of circle of via hole (21).
7. the aggregate motion mechanism for going out before the advance of corer according to scheme 1, wherein, slide block (4) comprises three aspects: the cylinder (25) in thickest layer face, the circular arc body (24) of middle aspect, the straight line body (23) of lamina plane, wherein cylinder (25) is through the groove (17) of load guide plate (3) or groove (18), is inserted in the groove (14) of thrust guide plate (2); Circular arc body (25) is inserted in load guide plate (3) groove (17) or groove (18); Straight line body (23) is inserted in load guide plate (3) groove (17).
8. the aggregate motion mechanism for going out before the advance of corer according to scheme 1, wherein, drive block (6) comprises the connecting hole of vertical chute (26) and the input of connecting fluid pressure power.
The beneficial effects of the utility model such as comprise:
1. needs power source is connected to drive block, can complete the action of the rotation of motor, advance, swing.
2. the slip form of all parts in chute is steadily round and smooth, improves stability and the reliability of system.
3. get back to the initial position of instrument after the drill bit that motor front end is installed gets core, core takes out before drill bit without motor endoporus, for technical foundation is laid in the design of bulky grain corer.
According to description provided herein, other suitable application area will become apparent.In description and the object lesson only unrestricted scope of the present utility model for the purpose of illustrating of this utility model content part.
Accompanying drawing explanation
By the detailed description below in conjunction with accompanying drawing, these and other objects and advantages of the present utility model will become clearer, in accompanying drawing:
Fig. 1 is the perspective schematic view of the aggregate motion mechanism for going out before corer advance of the present utility model.
Fig. 2 A and 2B is floor map and the schematic perspective view of the aggregate motion mechanism gone out before corer of the present utility model advances respectively.
Fig. 3 is the floor map of holder in the aggregate motion mechanism for going out before corer advance of the present utility model.
Fig. 4 is the floor map of thrust slide plate in the aggregate motion mechanism for going out before corer advance of the present utility model.
Fig. 5 is the floor map of load slide plate in the aggregate motion mechanism for going out before corer advance of the present utility model.
Fig. 6 is slide block floor map in the aggregate motion mechanism for going out before corer advance of the present utility model.
Fig. 7 is the vertical sectional view of slide block in the aggregate motion mechanism for going out before corer advance of the present utility model.
Fig. 8 is drive block floor map in the aggregate motion mechanism for going out before corer advance of the present utility model.
Fig. 9 is the floor map that the aggregate motion mechanism for going out before corer advance of the present utility model starts when rotating.
Figure 10 be of the present utility model advance for corer before the aggregate motion mechanism that goes out floor map when rotating.
Figure 11 is that the aggregate motion mechanism for going out before corer advance of the present utility model completes the floor map rotated when starting straight ahead.
Figure 12 is floor map of advancing when preparing swing for the aggregate motion mechanism accomplish linear gone out before corer advance of the present utility model.
Figure 13 be of the present utility model advance for corer before the aggregate motion mechanism that goes out floor map when completing swing.
In all of the figs, identical Reference numeral represents same or analogous parts.
Detailed description of the invention
More fully exemplary embodiment is described now with reference to accompanying drawing.
Exemplary embodiment is provided, thus more thoroughly and all sidedly passes on scope to those skilled in the art.Set forth many details, such as concrete parts, the example of apparatus and method, to provide the thorough understanding to embodiment of the present utility model.It will be apparent to those of ordinary skill in the art that and not necessarily adopt concrete details, exemplary embodiment can be implemented as many multi-form and should not be considered to limit scope of the present utility model.In some exemplary embodiments, known process, known apparatus structure and known technology is not described in detail.
Term used herein is only not intended to restriction to describe concrete exemplary embodiment.As used herein, the article of singulative is intended to comprise plural form, clearly indicates unless context separately has.Term " comprises ", " having " nonexcludability and the existence of therefore clearly described feature, entirety, step, operation, element and/or parts, and do not get rid of and there is or add one or more further feature, entirety, step, operation, element and/or its combination.Method step described herein, process and operation should not be considered to must with the particular order discussing or illustrate perform, unless be specified unambiguously as execution sequence.Be also to be understood that and can adopt extra or substituting step.
Elaborate with reference to the accompanying drawings below, according to preferred embodiment of the present utility model, provide a kind of aggregate motion mechanism for going out before the advance of corer, with reference to Fig. 1, aggregate motion mechanism for going out before the advance of corer comprises: supporting seat 1, thrust guide plate 2, load guide plate 3, slide block 4, drive block 6 etc.
According to preferred embodiment of the present utility model, slide block 4 is installed on hydraulic motor 27, and drive block 6 is connected with hydraulic cylinder, by hydraulic-driven along supporting seat 1 straight reciprocating motion; Drive block 6 is connected with thrust guide plate 2 by connecting rod 5, thrust guide plate 2 is connected with slide block 4 by chute 14, during drive block 6 rectilinear motion, connecting rod 5 is driven to slide in the groove 16 of load guide plate 3, the groove 8 of supporting seat 1 or groove 9, slide block 4 slides in the groove 17 or groove 18 of load guide plate 3, by the Collaboration of all parts in each groove, thus form the movement locus of the rotation of motor 27, advance and swing.
More specifically, Fig. 2 A and Fig. 2 B is floor map and the schematic perspective view of the aggregate motion mechanism gone out before the advance for corer respectively, supporting seat 1 is fixed on corer shell, connecting rod 5 is inserted in the groove 8 of supporting seat 1 or the groove 16 of groove 9 and load guide plate 3 simultaneously, be connected with thrust guide plate 2 by the hole 12 of thrust guide plate 2, be connected with drive block 6 by the groove 28 of drive block 6; Thrust guide plate 2 and load guide plate 3 are linked together by steady pin 7, and thrust guide plate 2 can only rotate around steady pin 7 relative to load guide plate 3.
Referring back to Fig. 1, the pillar 10 of supporting seat 1 is inserted in the groove 22 of load guide plate 3, the pillar 11 of supporting seat 1 is inserted in the groove 19 of load guide plate 3, connecting rod 5 is inserted into the groove 8(groove 9 of supporting seat 1 simultaneously) and load guide plate 3 groove 16 in, the motion state of load guide plate 3 is determined by the position of connecting rod 5 in the groove 8 or groove 9 of supporting seat 1, when moving in the groove 8 of connecting rod 5 at supporting seat 1, the groove 8 of supporting seat 1 and groove 16 shape of load guide plate 3 and position overlap, and load guide plate 3 relative support seat 1 is static; When connecting rod 5 moves in groove 9, drive load guide plate 3 to move obliquely, form the action of folding core; Slide block 4 is fixed with motor 27, wherein slide block 4 comprises the aspect of three different-thickness: the straight line body 23 of the cylinder 25 in thickest layer face, the circular arc body 24 of middle aspect and lamina plane, wherein the cylinder 25 of slide block 4 passes groove 17 and the groove 18 of load guide plate 3, is inserted in the groove 14 of thrust guide plate 2; In the groove 17 that the circular arc body 24 of slide block 4 is inserted into load guide plate 3 and groove 18, the straight line body 23 of slide block 4 is inserted in the groove 17 of load guide plate 3; The movement locus of slide block 4 is jointly determined by the shape of the shape of the chute 14 of the motion conditions of thrust guide plate 2, thrust guide plate 2, the groove 17 of load guide plate 3 and groove 18.
Fig. 3 is the plan view of supporting seat 1, its left and right sides and corer shell are fixed, comprise chute 8 and chute 9, pillar 10 and pillar 11, connecting rod 5 is inserted in the chute 8 of supporting seat 1 or the groove 16 of chute 9 and load guide plate 3 simultaneously, the pillar 10 of supporting seat 1 is inserted in the groove 22 of load guide plate 3, and the pillar 11 of supporting seat 1 is inserted in the groove 19 of load guide plate 3, thus defines the position of load guide plate 3 by connecting rod 5.
Fig. 4 is the plan view of thrust guide plate 2, comprises hole 12, pin-and-hole 13, chute 14 and bossy body 15, and before motor starts rotation, bossy body 15 contacts with the pillar 10 of supporting seat 1, ensures the stable of whole system.
Fig. 5 is the plan view of load guide plate 3, comprise horizontal guide slot 16, vertical gathering sill straightway 17 and vertical gathering sill arc section 18, the shape of horizontal guide slot 16 is consistent with the groove 8 of supporting seat 1, thus provides a fixing constraint to load guide plate 3 when ensure that connecting rod 5 moves in the groove 8 of supporting seat 1 and the groove 16 of thrust guide plate 2; Vertical gathering sill straightway 17 is vertical with the direction of motion of drive block 6, when slide block 4 moves in the groove 17 of load guide plate 3, rely on the constraint of the groove 14 of the straight line body 23 of slide block 4 and the constraint of the groove 17 of load guide plate 3 and the cylinder 25 of slide block 4 and thrust guide plate 2, the motion that accomplish linear advances; The vertical gathering sill arc section 18 of load guide plate 3 is ellipse grooves, groove 18 avales certain thickness on the basis of the groove 17 of load guide plate 3, make the straight line body 23 of slide block 4 on the face of the vertical gathering sill arc section 18 of load guide plate 3, straight line body 23 and groove 18 do not form constraint, the circular arc body 25 of slide block 4 and the groove 18 of load guide plate 3 form constraint, the cylinder 25 of slide block 4 and the groove 14 of thrust guide plate 2 form constraint, complete rotary motion.
Fig. 6 and Fig. 7 is plan view and the sectional view of slide block 4 respectively, slide block 4 is fixed with motor 27, slide block 4 comprises three aspects: the cylinder 25 in thickest layer face, the circular arc body 24 of middle aspect, the straight line body 23 of lamina plane, wherein cylinder 25 passes groove 17 and the groove 18 of load guide plate 3, is inserted in the groove 14 of thrust guide plate 2; Circular arc body 25 is inserted in groove 17 and groove 18, and straight line body 23 is inserted in groove 17; The movement locus of slide block 4 is jointly determined by the shape of the motion conditions of thrust guide plate 2, the shape of thrust guide plate groove 14, the groove 17 of load guide plate 3 and groove 18.
Fig. 8 is the plan view of drive block 6, is connected on the left of it with power hydraulic cylinder, does straight reciprocating motion in the horizontal direction, and drive block 6 comprises vertical sliding tray 26, and connecting rod 5 can move up and down at groove 26.
Below the process of getting core is elaborated.Fig. 9 is the state that motor 27 starts when rotating, under the hydraulic-driven of hydraulic cylinder, drive block 6 drives connecting rod 5 to left movement, thrust guide plate 2 is driven to rotate counterclockwise along straight pin 7, now the bossy body 15 of thrust guide plate 2 starts to disengage with the pillar 10 of supporter 1, the circular arc body 24 of slide block 4 is inserted in the groove 18 of load guide plate 3, the cylinder 25 of slide block 4 is inserted in the groove 14 of thrust guide plate 2 by the groove 18 of load guide plate 3, and slide block 4 completes rotary motion according to the movement locus of the intersection that groove 18 and groove 14 are formed.
Drive block 6 continues to left movement, drives slide block 4 to proceed to rotate, as shown in Figure 10.
Drive block 6 continues to left movement, Figure 11 is that motor starts the straight ahead stage, the straight line body 23 of slide block 4 is inserted in the groove 17 of load guide plate 3, the cylinder 25 of slide block 4 is inserted in the groove 14 of thrust guide plate 2 by the groove 17 of load guide plate 3, the movement locus accomplish linear forward travel of the intersection that slide block 4 is formed according to groove 17 and groove 14.
Drive block 6 continues to left movement, motor continue straight ahead, as shown in figure 12, from rotate to the straight ahead stage, connecting rod 5 always in the groove 16 of thrust guide plate 2 and the groove 8 of supporting seat 1 move, load guide plate 3 relative support seat 1 is static.
Drive block 6 continues to left movement, connecting rod 5 enters in the groove 9 of supporting seat 1, start to roll over the core stage, as shown in figure 13, now connecting rod 5 drag load guide plate 3, thrust guide plate 2 and slide block form whole subsystem move upward along groove 9, make motor 27 and straight ahead direction have the inclination angle of individual a angle, thus complete the action of folding core.
Finally when drive block 6 moves in the other direction under hydraulic cylinder effect, the hydraulic motor 27 of corer is regained, also institute's coring is taken back simultaneously, push away core bar and enter from motor rear portion, core is disclosed in storage core bucket, completes and once get core.
It should be understood that the above embodiment only unrestricted the technical solution of the utility model in order to explanation.Although be described in detail the utility model with reference to above-described embodiment, but those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and do not depart from spirit and scope of the present utility model, and appended scheme is intended to contain these amendments or equivalent replacement of falling into the utility model spirit and scope.
Claims (8)
1., for an advance Qian Chu aggregate motion mechanism for coring apparatus device, it is characterized in that: comprise supporting seat (1), thrust guide plate (2), load guide plate (3), slide block (4), drive block (6), connecting rod (5), straight pin (7); Described load guide plate (3) comprises horizontal guide slot (16), vertically gathering sill straightway (17) and vertical gathering sill arc section (18); Described drive block (6) is connected with the via hole (12) of thrust guide plate by connecting rod (5), described slide block (4) slides in the gathering sill of load guide plate (3), described drive block (6) drives described thrust guide plate (2) along when sliding in the chute of supporting seat (1), and described slide block (4) drives motor (27) to complete the movement locus of rotation, advance, swing.
2. the advance Qian Chu aggregate motion mechanism for coring apparatus device according to claim 1, wherein, described supporting seat (1) and corer shell are fixed, and comprise chute (8), oblique chute (9); Described thrust guide plate (2) contacts with described supporting seat (1), and comprises chute (14) and via hole (12), and described load guide plate (3) is connected by straight pin (7) with described thrust guide plate (2).
3. the advance Qian Chu aggregate motion mechanism for coring apparatus device according to claim 1, wherein, described drive block (6) is connected with the via hole (12) of thrust guide plate by connecting rod (5), described slide block (4) is the vertical gathering sill straightway (17) of load guide plate, slide in the chute (14) of vertical gathering sill arc section (18) and thrust guide plate (2), when described drive block (6) drives described thrust guide plate (2) to slide in the chute (8) and oblique chute (9) of supporting seat (1), described slide block (4) drives motor (27) to complete rotation, advance, the movement locus swung.
4. the advance Qian Chu aggregate motion mechanism for coring apparatus device according to claim 1, wherein, supporting seat (1) also comprises pillar (10), pillar (11), the pillar (10) of supporting seat (1) is inserted in the chute (22) of load guide plate (3), and the pillar (11) of supporting seat (1) is inserted in the chute (19) of load guide plate (3).
5. the advance Qian Chu aggregate motion mechanism for coring apparatus device according to claim 1, wherein, thrust guide plate (2) also comprises bossy body (15) and via hole (13), before motor (27) rotates, bossy body (15) contacts with the pillar (10) of supporting seat (1), after starting rotation, bossy body (15) disengages with the pillar (10) of supporting seat (1).
6. the advance Qian Chu aggregate motion mechanism for coring apparatus device according to claim 1, wherein, load guide plate (3) also comprises chute (22), chute (19) and via hole (21), vertical gathering sill arc section (18) have been sunk a thickness vertical gathering sill straightway (17), and this thickness ensures that the straight line body (23) of slide block (4) is not inserted in vertical gathering sill arc section (18); The geometry center of circle of horizontal guide slot (16) overlaps with the geometry center of circle of via hole (21).
7. the advance Qian Chu aggregate motion mechanism for coring apparatus device according to claim 1, wherein, slide block (4) comprises three aspects: the cylinder (25) in thickest layer face, the circular arc body (24) of middle aspect, the straight line body (23) of lamina plane, wherein cylinder (25) is through the groove (17) of load guide plate (3) or groove (18), is inserted in the groove (14) of thrust guide plate (2); Circular arc body (25) is inserted in load guide plate (3) groove (17) or groove (18); Straight line body (23) is inserted in load guide plate (3) groove (17).
8. the advance Qian Chu aggregate motion mechanism for coring apparatus device according to claim 1, wherein, drive block (6) comprises the connecting hole of vertical chute (26) and the input of connecting fluid pressure power.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420427584.6U CN204344032U (en) | 2014-07-31 | 2014-07-31 | A kind of advance Qian Chu aggregate motion mechanism for coring apparatus device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420427584.6U CN204344032U (en) | 2014-07-31 | 2014-07-31 | A kind of advance Qian Chu aggregate motion mechanism for coring apparatus device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298420A (en) * | 2014-07-31 | 2016-02-03 | 中国石油集团长城钻探工程有限公司 | Forward-in forward-out combined movement mechanism for coring instrument |
| CN109138883A (en) * | 2018-09-27 | 2019-01-04 | 中国海洋石油集团有限公司 | A kind of rotary side-wall coring module |
-
2014
- 2014-07-31 CN CN201420427584.6U patent/CN204344032U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298420A (en) * | 2014-07-31 | 2016-02-03 | 中国石油集团长城钻探工程有限公司 | Forward-in forward-out combined movement mechanism for coring instrument |
| CN105298420B (en) * | 2014-07-31 | 2019-10-15 | 中国石油集团长城钻探工程有限公司 | A kind of advance Qian Chu aggregate motion mechanism for coring instrument |
| CN109138883A (en) * | 2018-09-27 | 2019-01-04 | 中国海洋石油集团有限公司 | A kind of rotary side-wall coring module |
| US11028658B2 (en) | 2018-09-27 | 2021-06-08 | China National Offshore Oil Corporation | Horizontal-to-vertical drilling module for deep well |
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Granted publication date: 20150520 Termination date: 20190731 |