CN108266145A - Pushing device and logging instrument with same - Google Patents
Pushing device and logging instrument with same Download PDFInfo
- Publication number
- CN108266145A CN108266145A CN201611265790.1A CN201611265790A CN108266145A CN 108266145 A CN108266145 A CN 108266145A CN 201611265790 A CN201611265790 A CN 201611265790A CN 108266145 A CN108266145 A CN 108266145A
- Authority
- CN
- China
- Prior art keywords
- slide bar
- pushing device
- logger
- arm
- leading screw
- 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.)
- Granted
Links
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 8
- 239000013307 optical fiber Substances 0.000 description 8
- 239000002131 composite material Substances 0.000 description 6
- 230000005693 optoelectronics Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 pushing device Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a pushing device and a logging instrument with the same. The pushing device comprises a sliding rod, a driving mechanism and a stabilizing mechanism, wherein the sliding rod is slidably arranged in a shell of the logging instrument, and one end of the sliding rod is a pressing end used for pressing a detector of the logging instrument; the driving mechanism is connected with the other end of the sliding rod to drive the sliding rod to tightly press the detector; the stabilizing mechanism is arranged on the sliding rod and used for fixing the logging instrument on the inner wall of the wellhead after the logging instrument enters the wellhead. By applying the pushing device in the technical scheme of the invention, the three-component detector in the logging instrument can be firmly fixed without vibration in the VSP testing process. The problem of thereby the logging precision is influenced to the easy vibration of three-component detector of logging instrument among the prior art is solved.
Description
Technical field
The present invention relates to detecting instrument field, in particular to a kind of pushing device and with its logger.
Background technology
VSP (Vertical Seismic Profiling) i.e. vertical seismic profiling (VSP)s, are a kind of seismological observation methods.It with
The seismic profile of usual ground observation is corresponding.Vertical seismic profiling (VSP) method is to excite earthquake on some points of adjacent ground surface
Wave is observed on some the multistage multicomponent geophone stations arranged along wellhole different depth.In vertical seismic profiling (VSP), survey
Three-component geophone in well instrument is placed in by wellhole inside stratum, so the uplink propagated from bottom to top can not only be received
Longitudinal wave and uplink converted wave can also receive the downlink longitudinal wave propagated from top to bottom and down conversion wave or even can receive horizontal stroke
Wave.This is vertical seismic profiling (VSP) most important feature compared with surface seismic section.
In the test process of VSP, vibration easily occurs for the three-component geophone of existing logger so as to influence to survey
Well precision.
Invention content
It is a primary object of the present invention to provide a kind of pushing device and with its logger, to solve the prior art
In logger three-component geophone easily occur vibration so as to influence logging accuracy the problem of.
To achieve these goals, according to an aspect of the invention, there is provided a kind of pushing device, including：Slide bar, can
It is slidably arranged in the housing of logger, one end of slide bar is the compression end for the wave detector of logger to be compressed；
Driving mechanism is connect with the other end of slide bar and is compressed wave detector with driving slider；Stabilizing mechanism is arranged on slide bar, is used for
Logger is fixed on the inner wall of well head after logger enters well head.
Further, driving mechanism includes：Driving motor is drivingly connected with slide bar, for driving slider in logger
Housing in slide.
Further, driving mechanism further includes：Leading screw, rotationally with the driving axis connection of driving motor；Feed screw nut,
It is arranged on the end of slide bar and is adapted with leading screw；Wherein, leading screw is spirally connected with feed screw nut, and driving motor passes through leading screw and leading screw
Nut driving slider is slided in the housing of logger.
Further, the end of slide bar offers the receiving hole for accommodating leading screw and moving along its axial direction, and feed screw nut is arranged on
So that leading screw can move in receiving hole in receiving hole.
Further, driving mechanism further includes：Connector, the drive shaft of driving motor are connect by connector with leading screw.
Further, stabilizing mechanism includes：Backup arm, one end of backup arm is hinged end, and the other end of backup arm is certainly
By holding, backup arm is hinged on by hinged end on the housing of logger so that the free end of backup arm is rotated around hinged end；It pushes away
Dynamic component, connect with backup arm, for pushing backup arm rotation so that the free end of backup arm is unfolded and is pressed in well head
Logger to be fixed on wall.
Further, pushing component includes：Actuating arm, between one end of actuating arm and the hinged end of backup arm and free end
Predetermined patterns be hinged；Sliding block is slidably disposed on slide bar, and the other end and the sliding block of actuating arm are hinged, when sliding block slides
It is unfolded the free end that backup arm is pushed by actuating arm.
Further, pushing component further includes：Compressed spring, one end of compressed spring are connect with sliding block, compressed spring
The other end is connect with slide bar；Sliding block is pushed to move by compressed spring during sliding bar.
Further, pushing component further includes：Baffle ring is set on slide bar；Wherein, the end of compressed spring is resisted against gear
To be connect with slide bar on ring.
Further, pushing device further includes：Hold-down head is arranged in the compression end of slide bar, and slide bar will by hold-down head
The wave detector of logger compresses.
According to another aspect of the present invention, a kind of logger is provided, including：Pushing device, pushing device are upper
State the pushing device of content.
Using the pushing device of technical solution of the present invention, including slide bar, driving mechanism and stabilizing mechanism, slide bar is slideably
It is arranged in the housing of logger, one end of slide bar is the compression end for the wave detector of logger to be compressed；Driving machine
The connection of the other end of structure and slide bar is compressed wave detector with driving slider；Stabilizing mechanism is arranged on slide bar, in logging instrument
Logger is fixed on the inner wall of well head by device after entering well head.Thus in the test process of VSP, it can be by logger
In three-component geophone it is fixed and will not vibrate.Solves the three component geophone of logger of the prior art
The problem of vibration is so as to influence logging accuracy, easily occurs for device.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is optional a kind of partial structural diagram of pushing device according to embodiments of the present invention；
Fig. 2 is optional a kind of overall structure diagram of pushing device according to embodiments of the present invention.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, slide bar；11st, receiving hole；20th, housing；30th, wave detector；40th, driving mechanism；41st, driving motor；42nd, leading screw；
43rd, feed screw nut；44th, connector；50th, stabilizing mechanism；51st, backup arm；52nd, pushing component；521st, actuating arm；522nd, sliding block；
523rd, compressed spring；524th, baffle ring；60th, hold-down head.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Pushing device according to embodiments of the present invention, as depicted in figs. 1 and 2, including：Slide bar 10, is slidably disposed on
In the housing 20 of logger, one end of slide bar 10 is the compression end for the wave detector 30 of logger to be compressed；Driving machine
Structure 40 is connect with the other end of slide bar 10 and is compressed wave detector 30 with driving slider 10；Stabilizing mechanism 50 is arranged on slide bar 10
On, for logger to be fixed on to the inner wall of well head after logger enters well head.
Using the pushing device of technical solution of the present invention, including slide bar 10, driving mechanism 40 and stabilizing mechanism 50, slide bar 10
It is slidably disposed in the housing 20 of logger, one end of slide bar 10 is for the wave detector 30 of logger to be compressed
Compression end；Driving mechanism 40 is connect with the other end of slide bar 10 and is compressed wave detector 30 with driving slider 10；Stabilizing mechanism 50 is set
It puts on slide bar 10, for logger to be fixed on to the inner wall of well head after logger enters well head.So as to VSP's
In test process, can be fixed by the three-component geophone in logger and it will not vibrate.Solves existing skill
The problem of vibration is so as to influence logging accuracy, easily occurs for the three-component geophone of the logger in art.
When it is implemented, as shown in Fig. 2, driving mechanism 40 includes：Driving motor 41, driving motor 41 is along logger
It is axially disposed within one end of logger, driving motor 41 is drivingly connected with slide bar 10, for driving slider 10 in logger
Housing 20 in slide so as to which the compression end of slide bar 10 be made to compress wave detector 30.
Further, driving mechanism 40 further includes：Leading screw 42 and feed screw nut 43, leading screw 42 rotationally with driving motor
41 driving axis connection,
Feed screw nut 43 is arranged on the end of slide bar 10, leading screw 42, feed screw nut 43, driving motor 41 drive shaft and
Slide bar 10 4 is coaxial.Feed screw nut 43 is adapted with leading screw 42 and leading screw 42 is spirally connected with feed screw nut 43, and driving motor 41 exists
During operating drive leading screw 42 rotate, leading screw 42 by 43 driving slider 10 of feed screw nut logger housing 20 in slide from
And wave detector 30 is compressed.Optionally, connector 44, driving electricity are provided between the drive shaft of driving motor 41 and leading screw 42
The drive shaft of machine 41 is connect by connector 44 with leading screw 42.
In order to ensure slide bar 10 in sliding process, length direction will not be clashed with leading screw 42, further, sliding
The end of bar 10 is offered along its axial direction accommodates the receiving hole 11 that moves of leading screw 42, feed screw nut 43 be arranged in receiving hole 11 from
And when retracting in driving slider 10 to one end far from wave detector 30, leading screw 42 is enable to stretch into receiving hole 11 in receiving hole 11
It is interior, ensure that slide bar 10 will not clash during the work time with leading screw 42.
After slide bar 10 compresses wave detector 30, stabilizing mechanism 50 can prevent logger from integrally being shaken in well head
Dynamic, specifically, stabilizing mechanism 50 includes：Backup arm 51 and pushing component 52, one end of backup arm 51 are hinged end, backup arm 51
The other end for free end, backup arm 51 is hinged on the housing 20 of logger by hinged end so that the freedom of backup arm 51
End is rotated around hinged end；Pushing component 52 is connect with backup arm 51, for backup arm 51 is pushed to rotate so that backup arm 51 from
It is unfolded by end and is pressed on the inner wall of well head to fix logger.
Specifically, pushing component 52 includes：Actuating arm 521 and sliding block 522, one end and the backup arm 51 of actuating arm 521
Predetermined patterns between hinged end and free end are hinged, and for the ease of control, actuating arm 521 and the hinge joint of backup arm 51 are close
The hinged end of backup arm 51.Sliding block 522 is slidably disposed on slide bar 10, and the other end and the sliding block 522 of actuating arm 521 are cut with scissors
It connects, the free end for pushing backup arm 51 by actuating arm 521 when sliding block 522 slides is unfolded.
In order to make that the influence of vibration, further, promotion group can be mitigated after the compression of the inner wall of backup arm 51 and well head
Part 52 further includes：Compressed spring 523, one end of compressed spring 523 are connect with sliding block 522, the other end and cunning of compressed spring 523
Bar 10 is fixedly connected, and sliding block 522 is pushed to move the freedom so as to drive backup arm 51 by compressed spring 523 when slide bar 10 slides
It is unfolded and is pressed on the inner wall of well head in end.
For the convenience of installation, baffle ring 524 is arranged on slide bar 10, wherein, the end of compressed spring 523 is resisted against
To be connect with slide bar 10 on baffle ring 524, slide bar 10 is compressed compressed spring 523 by baffle ring 524 when sliding, compressed spring 523
Apply corresponding elastic force to sliding block 522 so that sliding block 522 to be pushed to move.
In order to compress wave detector 30 and fixed, optionally, compression is provided in the compression end of slide bar 10
First 60, hold-down head 60 has the contact area of bigger, and the wave detector 30 of logger is compressed energy by slide bar 10 by hold-down head 60
It is enough that wave detector 30 is regularly more firm.
According to another embodiment of the invention, a kind of logger is provided, including：Pushing device, the pushing device
Pushing device for above-described embodiment.Using the logger of the pushing device of above-described embodiment, in the test process of VSP,
It can be fixed by the three-component geophone in logger and will not vibrate.Solves logging instrument of the prior art
The problem of vibration is so as to influence logging accuracy, easily occurs for the three-component geophone of device.
The logger of the present embodiment specifically includes shell, optical fiber V SP three-components probe, pushing device, and optical fiber V SP tri- divides
Amount probe is installed in shell, and pushing device realizes backup effect, and shell has circuit cavity, has to control in circuit cavity
The circuit unit of pushing device processed.
For upper adapter by the same cage connection of screwed ring, top connection is same as above adapter connection, the same top connection of optoelectronic composite cable
Connection, optical cable are located on the cutting ferrule connection in upper adapter after being drawn from optoelectronic composite cable, optical fiber is rear from optical cable to draw together
Optical fiber connection in optical fiber V SP three-components probe.Conducting wire in optoelectronic composite cable is introduced by electric sealing-plug positioned at circuit sky
On the circuit unit of chamber.Electric sealing-plug is located on upper conversion head.
Similarly, lower adapter is connected by the same cage connection of screwed ring, lower adapter with lower contact, and optoelectronic composite cable is same
Lower contact connects, and optical cable is located on the cutting ferrule connection in lower adapter after being drawn from optoelectronic composite cable.Optical fiber be through optical fiber,
By being located in the optical-fibre channel leading in cable in shell.Conducting wire in optoelectronic composite cable is introduced by electric sealing-plug positioned at electricity
On the circuit unit of road cavity.Electric sealing-plug is located on lower adapter.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of pushing device, which is characterized in that including：
Slide bar (10) is slidably disposed in the housing (20) of logger, and one end of the slide bar (10) is for that will survey
The compression end that the wave detector (30) of well instrument compresses；
Driving mechanism (40) connect to drive the slide bar (10) by the wave detector (30) with the other end of the slide bar (10)
It compresses；
Stabilizing mechanism (50) is arranged on the slide bar (10), for after the logger enters well head by the well logging
Instrument is fixed on the inner wall of the well head.
2. pushing device according to claim 1, which is characterized in that the driving mechanism (40) includes：
Driving motor (41) is drivingly connected with the slide bar (10), for driving the slide bar (10) in the housing of logger
(20) it is slided in.
3. pushing device according to claim 2, which is characterized in that the driving mechanism (40) further includes：
Leading screw (42), rotationally with the driving axis connection of driving motor (41)；
Feed screw nut (43) is arranged on the end of the slide bar (10) and is adapted with the leading screw (42)；
Wherein, the leading screw (42) is spirally connected with the feed screw nut (43), and the driving motor (41) passes through the leading screw (42)
The slide bar (10) is driven to be slided in the housing (20) of logger with the feed screw nut (43).
4. pushing device according to claim 3, which is characterized in that the end of the slide bar (10) is offered along its axial direction
The mobile receiving hole (11) of the leading screw (42) is accommodated, the feed screw nut (43) is arranged in the receiving hole (11) so that institute
Stating leading screw (42) can move in the receiving hole (11).
5. pushing device according to claim 3, which is characterized in that the driving mechanism (40) further includes：
Connector (44), the drive shaft of the driving motor (41) are connect by the connector (44) with the leading screw (42).
6. pushing device according to claim 1, which is characterized in that the stabilizing mechanism (50) includes：
Backup arm (51), one end of the backup arm (51) are hinged end, and the other end of the backup arm (51) is free end, institute
Backup arm (51) is stated to be hinged on the housing (20) of the logger by the hinged end so that the backup arm (51)
The free end is rotated around the hinged end；
Pushing component (52) is connect with the backup arm (51), for pushing the backup arm (51) rotation so that the backup
It is unfolded and is pressed on the inner wall of the well head to fix the logger in the free end of arm (51).
7. pushing device according to claim 6, which is characterized in that the pushing component (52) includes：
Actuating arm (521), between one end of the actuating arm (521) and the hinged end and free end of the backup arm (51)
Predetermined patterns be hinged；
Sliding block (522) is slidably disposed on the slide bar (10), the other end and the sliding block of the actuating arm (521)
(522) it is hinged, the free end exhibition of the backup arm (51) is pushed when the sliding block (522) is slided by the actuating arm (521)
It opens.
8. pushing device according to claim 7, which is characterized in that the pushing component (52) further includes：
Compressed spring (523), one end of the compressed spring (523) are connect with the sliding block (522), the compressed spring
(523) the other end is connect with the slide bar (10)；
Push the sliding block (522) mobile by the compressed spring (523) when the slide bar (10) is slided.
9. pushing device according to claim 8, which is characterized in that the pushing component (52) further includes：
Baffle ring (524) is set on the slide bar (10)；
Wherein, the end of the compressed spring (523) is resisted against on the baffle ring (524) to connect with the slide bar (10).
10. pushing device according to claim 1, which is characterized in that the pushing device further includes：
Hold-down head (60) is arranged in the compression end of the slide bar (10), and the slide bar (10) passes through the hold-down head
(60) wave detector (30) of the logger is compressed.
11. a kind of logger, which is characterized in that including：Pushing device, the pushing device are to appoint in claims 1 to 10
Pushing device described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265790.1A CN108266145B (en) | 2016-12-30 | 2016-12-30 | Pushing device and logging instrument with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265790.1A CN108266145B (en) | 2016-12-30 | 2016-12-30 | Pushing device and logging instrument with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108266145A true CN108266145A (en) | 2018-07-10 |
| CN108266145B CN108266145B (en) | 2020-11-03 |
Family
ID=62771119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611265790.1A Active CN108266145B (en) | 2016-12-30 | 2016-12-30 | Pushing device and logging instrument with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108266145B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396029A (en) * | 2020-03-19 | 2020-07-10 | 中国地质大学（北京） | Pushing device in conveying device for lowering and recovering vertical well logging instrument |
| CN113266336A (en) * | 2021-04-25 | 2021-08-17 | 中石化石油工程技术服务有限公司 | Vertical seismic logging instrument acquisition nipple for fracture monitoring |
| CN113863881A (en) * | 2021-10-25 | 2021-12-31 | 杭州瑞利声电技术有限公司 | Logging instrument pushing device capable of being automatically folded |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715469A (en) * | 1985-08-29 | 1987-12-29 | Petrophysical Services, Inc. | Borehole seismic receiver |
| US5438169A (en) * | 1994-08-30 | 1995-08-01 | Western Atlas International, Inc. | Apparatus and method for determining the quality of clamping of a borehole seismic sensor system to the wall of a wellbore |
| CN200978669Y (en) * | 2006-12-14 | 2007-11-21 | 中国石油天然气集团公司 | Downhole safety eccentering device for logger |
| CN101545980A (en) * | 2008-03-26 | 2009-09-30 | 威海双丰物探设备股份有限公司 | Well logging detector device |
| CN202578676U (en) * | 2011-10-12 | 2012-12-05 | 李群 | A small-diameter backup device for a cased well logging instrument |
-
2016
- 2016-12-30 CN CN201611265790.1A patent/CN108266145B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715469A (en) * | 1985-08-29 | 1987-12-29 | Petrophysical Services, Inc. | Borehole seismic receiver |
| US5438169A (en) * | 1994-08-30 | 1995-08-01 | Western Atlas International, Inc. | Apparatus and method for determining the quality of clamping of a borehole seismic sensor system to the wall of a wellbore |
| CN200978669Y (en) * | 2006-12-14 | 2007-11-21 | 中国石油天然气集团公司 | Downhole safety eccentering device for logger |
| CN101545980A (en) * | 2008-03-26 | 2009-09-30 | 威海双丰物探设备股份有限公司 | Well logging detector device |
| CN202578676U (en) * | 2011-10-12 | 2012-12-05 | 李群 | A small-diameter backup device for a cased well logging instrument |
Non-Patent Citations (1)
| Title |
|---|
| 董世泰等: "井中地震勘探仪器的现状与发展 ", 《物探装备》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396029A (en) * | 2020-03-19 | 2020-07-10 | 中国地质大学（北京） | Pushing device in conveying device for lowering and recovering vertical well logging instrument |
| CN113266336A (en) * | 2021-04-25 | 2021-08-17 | 中石化石油工程技术服务有限公司 | Vertical seismic logging instrument acquisition nipple for fracture monitoring |
| CN113863881A (en) * | 2021-10-25 | 2021-12-31 | 杭州瑞利声电技术有限公司 | Logging instrument pushing device capable of being automatically folded |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108266145B (en) | 2020-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108266145A (en) | Pushing device and logging instrument with same | |
| CN103499505B (en) | The linear rock cutting test unit of cutter tooth | |
| CN208688849U (en) | A kind of New Rock sampler | |
| CN111122335B (en) | Loading device for rock fracturing simulation and rock fracturing simulation equipment | |
| JP5604671B2 (en) | Sediment collection device, sediment collection system, and sediment collection method | |
| CN211954753U (en) | Sampling device for rock and soil investigation | |
| CN103674739A (en) | Mud shale brittle nature experimental device and experimental analysis method thereof | |
| CN109141960A (en) | A kind of in-situ test method obtaining rock parameter | |
| CN203869975U (en) | Portable rock core hardness testing device | |
| CN108426786B (en) | A kind of shear box suitable for vertical ring shear test | |
| CN103308454A (en) | Mineral analyzing device | |
| CN210604460U (en) | XRF automatic testing device suitable for rock core test | |
| CN117419956A (en) | Sampling device for measuring soil volume weight | |
| CN107063911B (en) | Oil/gas well casing tube abrasion testing platform | |
| CN213148379U (en) | Sampling device for engineering geological investigation | |
| CN104749103A (en) | Optical probe | |
| JP5058043B2 (en) | Soil sample extraction device and extraction method | |
| RU2267141C2 (en) | Borehole seismic device with a centering clamp | |
| CN113310726A (en) | Portable sampling system and method in narrow space | |
| CN220469819U (en) | Mineral geological sampling driller | |
| CN112901066A (en) | Portable sampling drilling machine with damping function | |
| CN221373442U (en) | Drilling device for geological mineral exploration | |
| CN219224498U (en) | Pressurized water test device for reconnaissance | |
| CN213234941U (en) | Portable drilling machine for geological drilling | |
| RU2574319C1 (en) | Seismic logging tool "span-9" |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |