CN109854228A - A kind of geophysical log instrument of the oil exploration convenient for control - Google Patents
A kind of geophysical log instrument of the oil exploration convenient for control Download PDFInfo
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- CN109854228A CN109854228A CN201910152393.0A CN201910152393A CN109854228A CN 109854228 A CN109854228 A CN 109854228A CN 201910152393 A CN201910152393 A CN 201910152393A CN 109854228 A CN109854228 A CN 109854228A
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- wall
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- oil exploration
- control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The present invention relates to petroleum exploration fields, the geophysical log instrument that specifically a kind of oil exploration is used convenient for control, including fixed panel, Damping rotation shaft is fixedly installed on the outer wall of the fixed panel quadrangle, and the position of fixed panel quadrangle passes through Damping rotation shaft and is equipped with tilting strut, the adjacent tilting strut mutually depending on outer wall on be fixedly installed with connecting support, position between two connecting supports is fixedly installed horizontally disposed balance adjustment component, fixed footing is welded on the outer wall of four tilting strut bottom ends, the cone that buries is welded on the outer wall of the fixed footing bottom.Beneficial effects of the present invention play the effect of stable control to logging instrument ontology; substantially increase the quality that logging instrument ontology explores exploratory well inside; avoid damage of the soil block to logging instrument inside exploratory well; the protective capability for improving logging instrument itself may make the connection between multiple testers more freely and firm.
Description
Technical field
The present invention relates to petroleum exploration field, specifically a kind of oil exploration geophysical log instrument for being convenient for control.
Background technique
Currently, so-called oil exploration, exactly in order to find and find out petroleum resources, and utilizes various exploration means to understand ground
Under geological state, understanding oil generation, oil storage, oil-gas migration, aggregation, the conditions such as preservation, overall merit oil-gas bearing prospect determines oil
The Favorable Areass of gas aggregation, find the trap of reservoir hydrocarbon, and verify oil gas field area, get oil-gas Layer situation and output capacity clear
Process increases crude stockpile and related oil gas product for country.
Through retrieving, the patent that Chinese Patent Application No. is 201080049017.6 discloses a kind of logging instrument, includes outer wall
And with the logging instrument in the casing longitudinally extended, for determining around surrounding fluid behaviour.The logging instrument substantially has
There is longitudinal cylinder, the periphery with the longitudinal axis and when seeing in section.In addition, logging instrument includes multiple in logging instrument periphery
Spatially separate the electrode of setting in enclosing around the longitudinal axis, so that fluid flows between electrode and sleeve outer wall, and for surveying
The capacitor between two electrodes in amount all possible combinations provides n* (n-1)/2 kinds of electrode measurement hence for n electrode
Measuring device.It is poor to the control effect of logging instrument to have the disadvantage that in above-mentioned patent, to logging instrument inside exploratory well
Position can not carry out high-precision control, be easy to bring damage to the logging instrument being located in exploratory well, seriously affect logging instrument
Exploration quality inside exploratory well.And above-mentioned patent not can solve problems.Therefore, it needs to design a kind of oil exploration use
It solves the above problems convenient for the geophysical log instrument of control.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of geophysical log instrument of oil exploration convenient for control
The problem of quality is explored in, the influence poor on the control effect of logging instrument proposed in background technique.
The technical scheme is that the geophysical log instrument that a kind of oil exploration is used convenient for control, including stationary plane
Plate is fixedly installed Damping rotation shaft on the outer wall of the fixed panel quadrangle, and the position of fixed panel quadrangle passes through resistance
Buddhist nun's shaft is equipped with tilting strut, the adjacent tilting strut mutually depending on outer wall on be fixedly installed with connecting support, two institutes
State the position between connecting support and be fixedly installed horizontally disposed balance adjustment component, four tilting strut bottom ends it is outer
It is welded with fixed footing on wall, the cone that buries is welded on the outer wall of the fixed footing bottom, the fixed below the panel is just
Center offers exploratory well in advance, is placed with logging instrument ontology, the fixed panel top positioned at the inside of the exploratory well
It being bolted on the outer wall in portion and fixing bearing is installed, the inside of the fixing bearing is plugged with rotatable transmission shaft,
Clockwise and anticlockwise motor is equipped with by shaft coupling on the outer wall of described transmission shaft one end, and clockwise and anticlockwise motor is fixedly mounted on stationary plane
On the outer wall of plate top side, the transmission shaft is covered far from shaft end is socketed with outside one end of clockwise and anticlockwise motor, the transmission shaft
External fixing sleeve be connected to the live-roller of synchronous rotary, the outside of the live-roller is provided with the accommodation groove being distributed in screw thread, described
The outside of live-roller is wrapped with the wirerope inside accommodation groove, and the bottom end of accommodation groove and logging instrument ontology form fixed company
It connects.
Further, the inside of described Damping rotation shaft one end is plugged with circular cone pin rod, and on the outer wall of circular cone pin rod one end
It is fixedly installed with rotational handle, is socketed with soft rubber set on the outer wall of described rotational handle one end, and inside Damping rotation shaft
Cavity is adapted with the shape of circular cone pin rod.
Further, the balance adjustment component includes horizontally disposed fixes sleeve, and the inside at fixes sleeve both ends
It is plugged with slidable telescopic cross bar, is welded with thread bush, and thread bush on the outer wall of two sides at the top of the fixes sleeve
Internal whorl be plugged with the locking screw that bottom end is in contact with the cross bar.
Further, the middle position of four fixes sleeve top exterior walls has been bolted and fixes sleeve
Parallel level meter, and the specification of four level meters and structure are all the same, four level meters are located on the same horizontal plane.
Further, the logging instrument ontology includes the installation hanging scaffold being sequentially distributed from top to bottom, sonic test instrument, density
Tester, communication apparatus and enter hole cone, the installation hanging scaffold, sonic test instrument, density tester, communication apparatus and enter hole bore phase
The connection structure being arranged between neighbour is identical, and threaded post, the density measurement are welded on the outer wall of sonic test instrument bottom
Threaded hole is provided on outer wall at the top of instrument, and the specification of threaded post is adapted with the specification of threaded hole, threaded post and threaded hole are total
With composition connection structure.
Further, it is welded with the equidistant deep floor being distributed in a ring on the outer wall at the top of the installation hanging scaffold, and
The top of deep floor is fixedly installed with fixed disk, and hanging ring, and hanging ring and steel wire are welded on the outer wall at the top of the fixed disk
The fixed bolt in the bottom end of rope.
Further, the outside of the sonic test instrument, density tester and communication apparatus is fixedly installed with equidistant
The centralizer being distributed in a ring, and multiple groups centralizer is located in the same vertical view circular trace.
Further, the centralizer includes the support mobile jib being fixedly mounted on the outer wall of sonic test instrument side, and is propped up
One end of support mobile jib is connected with flexible connection button, one end of the support mobile jib by be flexibly connected button be connected with it is swingable from
By bar, the free bar is provided with directive wheel far from one end of support mobile jib, is provided between support mobile jib and the free bar
Extension spring is provided with compressed spring between the support mobile jib and sonic test instrument.
Further, the square shape of concreting can be used in the cone that buries, and metal casting casting can also be used
Made of cone, the use being applicable under different surface conditions.
Further, what the shaft end covered is internally provided with electromagnetism lock ring, and electromagnetism locking ring set connects at transmission shaft end
The outside at end forms transmission connection between electromagnetism lock ring and transmission shaft.
The present invention provides a kind of oil exploration geophysical log instrument for being convenient for controlling by improving herein, with existing skill
Art is compared, have the advantages that as follows improve and:
(1) fixation panel, Damping rotation shaft, tilting strut and the balance adjustment component used, can form that stability is high to be consolidated
Fixed rack realizes the secure support to wirerope wrap-up, to play the effect of stable control to logging instrument ontology, greatly
The quality that logging instrument ontology explores exploratory well inside is improved greatly.
(2) by the centralizer of setting, logging instrument is allowed, in the more stable of exploratory well internal motion, to avoid in exploratory well
Damage of the soil block to logging instrument, improves the protective capability of logging instrument itself inside exploratory well, and extend logging instrument uses the longevity
Life.
(3) connection structure used may make the connection between multiple testers more freely and firm, be formed rod-shaped
Logging instrument ontology, can directly be interspersed in the inside of exploratory well, realize the detection to exploratory well internal state, bring pole for people
Big convenience.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples:
Fig. 1 is a kind of oil exploration structural schematic diagram for being convenient for the geophysical log instrument of control；
Fig. 2 is a kind of oil exploration A partial enlargement structural representation for being convenient for the geophysical log instrument of control；
Fig. 3 is a kind of oil exploration balance adjustment component structure diagram for being convenient for the geophysical log instrument of control；
Fig. 4 is a kind of oil exploration logging instrument body construction schematic diagram for being convenient for the geophysical log instrument of control；
Fig. 5 is a kind of oil exploration centralizer structure schematic diagram for being convenient for the geophysical log instrument of control；
Fig. 6 is a kind of oil exploration connection structure structural schematic diagram for being convenient for the geophysical log instrument of control.
Description of symbols:
1 fixed panel, 2 Damping rotation shafts, 3 rotational handles, 4 circular cone pin rods, 5 tilting struts, 6 connecting supports, 7 flexible cross
Bar, 8 balance adjustment components, 9 fixed footing, 10 are buried cone, 11 exploratory wells, 12 logging instrument ontologies, 13 fixing bearings, 14 positive and negative rotations
Motor, 15 transmission shafts, 16 shaft ends set, 17 live-rollers, 18 accommodation grooves, 19 wirerope, 20 fixes sleeves, 21 level meters, 22 screw threads
Set, 23 locking screws, 24 installation hanging scaffolds, 25 sonic test instrument, 26 density testers, 27 communication apparatus, 28 enter hole cone, 29 reinforcements
Floor, 30 fixed disks, 31 hanging rings, 32 centralizers, 33 support mobile jibs, 34 be flexibly connected buckle, 35 free bars, 36 directive wheels, 37 spiral shells
Bolt spring, 38 compressed springs, 39 threaded posts, 40 threaded holes.
Specific embodiment
Below in conjunction with attached drawing 1 to Fig. 6, the present invention is described in detail, technical solution in the embodiment of the present invention into
Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
The present invention provides a kind of oil exploration geophysical log instrument for being convenient for controlling by improving herein, such as Fig. 1-figure
Shown in 6, including fixed panel 1, as the platform of top braces, using lightweight, material is made just now, outside fixed 1 four jiaos of panel
It is fixedly installed Damping rotation shaft 2 on wall, there is good resistance, convenient for the adjusting to device, and fixes the position of 1 four jiaos of panel
It sets and tilting strut 5 is equipped with by Damping rotation shaft 2, tilting strut 5 is rotated along Damping rotation shaft 2, so as to tilting support
The adjusting of 5 tilt angle of bar, adjacent tilting 5 phase of strut depending on outer wall on be fixedly installed with connecting support 6, two connecting supports
Position between 6 be fixedly installed horizontally disposed balance adjustment component 8, it can be achieved that four tilting struts 5 rectification, four
It is welded with fixed footing 9 on the outer wall of a 5 bottom end of tilting strut, is welded with the cone 10 that buries on the outer wall of fixed 9 bottom of footing, it can
It is inserted into the soil of subsurface, realizes and stablizing for fixed panel 1 is supported, the center position of fixed 1 lower section of panel is preparatory
Exploratory well 11 is offered, logging instrument ontology 12 is placed with positioned at the inside of exploratory well 11, passes through on the outer wall at fixed 1 top of panel
Bolt is fixedly installed with fixing bearing 13, and the inside of fixing bearing 13 is plugged with rotatable transmission shaft 15,15 one end of transmission shaft
Outer wall on clockwise and anticlockwise motor 14 is equipped with by shaft coupling, and clockwise and anticlockwise motor 14 is fixedly mounted on fixed 1 top one of panel
On the outer wall of side, transmission shaft 15 is socketed with shaft end set 16 outside one end far from clockwise and anticlockwise motor 14, and the outside of transmission shaft 15 is solid
Surely it is socketed with the live-roller 17 of synchronous rotary, the outside of live-roller 17 is provided with the accommodation groove 18 being distributed in screw thread, live-roller 17
Outside is wrapped with the wirerope 19 inside accommodation groove 18, and the bottom end of accommodation groove 18 and logging instrument ontology 12 form fixed connect
It connects.
Further, the inside of 2 one end of Damping rotation shaft is plugged with circular cone pin rod 4, and solid on the outer wall of 4 one end of circular cone pin rod
Dingan County is equipped with rotational handle 3, is socketed with soft rubber set, and the cavity inside Damping rotation shaft 2 on the outer wall of 3 one end of rotational handle
It is adapted with the shape of circular cone pin rod 4.
Further, balance adjustment component 8 includes horizontally disposed fixes sleeve 20, and the inside at 20 both ends of fixes sleeve
It is plugged with slidable telescopic cross bar 7, is welded with thread bush 22, and thread bush on the outer wall of 20 top two sides of fixes sleeve
22 internal whorl is plugged with the locking screw 23 that bottom end is in contact with cross bar 7.
Further, the middle position of four 20 top exterior walls of fixes sleeve has been bolted and fixes sleeve 20
Parallel level meter 21, and the specification of four level meters 21 and structure are all the same, four level meters 21 are located at the same level
On face, level when single unit system installation ensure that, help preferably to realize the test and detection to exploratory well.
Further, logging instrument ontology 12 include the installation hanging scaffold 24 being sequentially distributed from top to bottom, it is sonic test instrument 25, close
It spends tester 26, communication apparatus 27 and enters hole cone 28, hanging scaffold 24, sonic test instrument 25, density tester 26, communication apparatus are installed
27 and enter hole cone 28 it is adjacent between the connection structure that is arranged it is identical, be welded with threaded post on the outer wall of 25 bottom of sonic test instrument
39, threaded hole 40 is provided on the outer wall at the top of density tester 26, and the specification of threaded post 39 and the specification of threaded hole 40 are mutually fitted
Match, threaded post 39 and threaded hole 40 collectively constitute connection structure.
Further, it is welded with the equidistant deep floor 29 being distributed in a ring on the outer wall at 24 top of installation hanging scaffold, and
The top of deep floor 29 is fixedly installed with fixed disk 30, is welded with hanging ring 31, and hanging ring 31 on the outer wall at 30 top of fixed disk
With the fixed bolt in bottom end of wirerope 19.
Further, the outside of sonic test instrument 25, density tester 26 and communication apparatus 27 is fixedly installed with equidistantly
From the centralizer 32 being distributed in a ring, and multiple groups centralizer 32 is located in the same vertical view circular trace, plays very to logging instrument
The effect of good guiding, improves the effect that logging instrument is explored in exploratory well.
Further, centralizer 32 includes the support mobile jib 33 being fixedly mounted on 25 side outer wall of sonic test instrument, and
One end of support mobile jib 33 is connected with flexible connection button 34, and one end of support mobile jib 33 is connected with and can put by being flexibly connected button 34
Dynamic free bar 35, free bar 35 are provided with directive wheel 36, support mobile jib 33 and free bar 35 far from one end of support mobile jib 33
Between be provided with extension spring 37, support and be provided with compressed spring 38 between mobile jib 33 and sonic test instrument 25.
Further, the square shape that the cone 10 that buries can be used concreting, can also be used metal casting casting and
At cone improve the universality of the device suitable for the use under different surface conditions.
Further, shaft end set 16 is internally provided with electromagnetism lock ring, and electromagnetism locking ring set connects at 15 end of transmission shaft
The outside at end, forms transmission connection between electromagnetism lock ring and transmission shaft 15, the alternating power on/off of electromagnetism lock ring reaches to biography
Automatic locking when moving axis 15 is static ensure that the stability when traction of wirerope 19.
In conclusion in use, sonic test instrument 25, density tester 26 and communication apparatus 27 can be passed through company by operator
The connection between planform is connect, sonic test instrument 25, density tester 26 and communication apparatus 27 can also be hung with installation
Combination between disk 24 forms rod-shaped structure, is directly interspersed in the inside of exploratory well 11, and wirerope 19 is bolted in hanging ring 31
On, clockwise and anticlockwise motor 14 is controlled, live-roller 17 is allowed to drive the winding of wirerope 19 and unwrapping wire, logging instrument ontology 12 is being explored in realization
Oscilaltion inside well 11 loosens locking screw 23 using the tilt angle of the rectifiable tilting strut 5 of level meter 21, so that
Telescopic cross bar 7 stretches in the inside of fixes sleeve 20, thus allow logging instrument ontology 12 exploratory well 11 interior location more
What is added is accurate, and logging instrument ontology 12 can be realized by centralizer 32 to logging instrument ontology 12 when 11 inside of exploratory well
Guiding, allows logging instrument ontology 12 to have the effect of very power consumption campaign.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. the geophysical log instrument that a kind of oil exploration is used convenient for control, it is characterised in that: described including fixed panel (1)
It is fixedly installed Damping rotation shaft (2) on the outer wall of fixed panel (1) quadrangle, and the position of fixed panel (1) quadrangle passes through
Damping rotation shaft (2) is equipped with tilting strut (5), the adjacent tilting strut (5) mutually depending on outer wall on be fixedly installed with connection
Support (6), the position between two connecting supports (6) are fixedly installed horizontally disposed balance adjustment component (8), and four
It is welded with fixed footing (9) on the outer wall of tilting strut (5) bottom end, is welded on the outer wall of fixed footing (9) bottom
It buries cone (10), the center position below the fixed panel (1) offers exploratory well (11) in advance, is located at the exploration
The inside of well (11) is placed with logging instrument ontology (12), is bolted installation on the outer wall at the top of the fixed panel (1)
Have fixing bearing (13), the inside of the fixing bearing (13) is plugged with rotatable transmission shaft (15), the transmission shaft (15)
It is equipped with clockwise and anticlockwise motor (14) on the outer wall of one end by shaft coupling, and clockwise and anticlockwise motor (14) is fixedly mounted on fixed panel
(1) on the outer wall of top side, the transmission shaft (15) covers far from shaft end is socketed with outside the one end of clockwise and anticlockwise motor (14)
(16), the external fixing sleeve of the transmission shaft (15) is connected to the live-roller (17) of synchronous rotary, the outside of the live-roller (17)
It is provided with the accommodation groove (18) in screw thread distribution, the outside of the live-roller (17) is wrapped with the wirerope internal in accommodation groove (18)
(19), and the bottom end of accommodation groove (18) forms a fixed connection with logging instrument ontology (12).
2. the geophysical log instrument that a kind of oil exploration according to claim 1 is used convenient for control, it is characterised in that: institute
The inside for stating Damping rotation shaft (2) one end is plugged with circular cone pin rod (4), and is fixedly installed on the outer wall of circular cone pin rod (4) one end
Rotational handle (3) is socketed with soft rubber set, and the sky that Damping rotation shaft (2) is internal on the outer wall of described rotational handle (3) one end
Chamber is adapted with the shape of circular cone pin rod (4).
3. the geophysical log instrument that a kind of oil exploration according to claim 1 is used convenient for control, it is characterised in that: institute
Stating balance adjustment component (8) includes horizontally disposed fixes sleeve (20), and the inside at fixes sleeve (20) both ends is plugged with
Slidable telescopic cross bar (7) is welded with thread bush (22) at the top of the fixes sleeve (20) on the outer wall of two sides, and screw thread
The internal whorl of set (22) is plugged with the locking screw (23) that bottom end is in contact with the cross bar (7).
4. the geophysical log instrument that a kind of oil exploration according to claim 1 is used convenient for control, it is characterised in that: four
The middle position of a fixes sleeve (20) top exterior walls is bolted the water parallel with fixes sleeve (20)
Level (21), and the specification of four level meters (21) and structure are all the same, four level meters (21) are located on the same horizontal plane.
5. the geophysical log instrument that a kind of oil exploration according to claim 1 is used convenient for control, it is characterised in that: institute
Stating logging instrument ontology (12) includes the installation hanging scaffold (24) being sequentially distributed from top to bottom, sonic test instrument (25), density tester
(26), communication apparatus (27) and enter hole cone (28), the installation hanging scaffold (24), sonic test instrument (25), density tester (26),
Communication apparatus (27) and enter hole cone (28) it is adjacent between the connection structure that is arranged it is identical, sonic test instrument (25) bottom it is outer
It is welded with threaded post (39), is provided with threaded hole (40) on the outer wall at the top of the density tester (26), and threaded post on wall
(39) specification is adapted with the specification of threaded hole (40), and threaded post 39 and threaded hole 40 collectively constitute connection structure.
6. the geophysical log instrument that a kind of oil exploration according to claim 5 is used convenient for control, it is characterised in that: institute
It states and is welded with the equidistant deep floor (29) being distributed in a ring, and deep floor (29) on the outer wall at the top of installation hanging scaffold (24)
Top be fixedly installed with fixed disk (30), be welded with hanging ring (31) on the outer wall at the top of the fixed disk (30), and hanging ring
(31) it fixes and bolts with the bottom end of wirerope (19).
7. the geophysical log instrument that a kind of oil exploration according to claim 5 is used convenient for control, it is characterised in that: institute
The outside for stating sonic test instrument (25), density tester (26) and communication apparatus (27) is fixedly installed with equidistant to be divided in a ring
The centralizer (32) of cloth, and multiple groups centralizer (32) is located in the same vertical view circular trace.
8. the geophysical log instrument that a kind of oil exploration according to claim 7 is used convenient for control, it is characterised in that: institute
Stating centralizer (32) includes the support mobile jib (33) being fixedly mounted on the outer wall of sonic test instrument (25) side, and supports mobile jib
(33) one end is connected with flexible connection button (34), and one end of support mobile jib (33) is connected with by being flexibly connected button (34)
Swingable free bar (35), the free bar (35) is provided with directive wheel (36) far from one end of support mobile jib (33), described
It is provided with extension spring (37) between support mobile jib (33) and free bar (35), the support mobile jib (33) and sonic test instrument
(25) compressed spring (38) are provided between.
9. the geophysical log instrument that a kind of oil exploration according to claim 1 is used convenient for control, it is characterised in that: institute
Stating the cone (10) that buries can be used the square shape of concreting, and cone made of metal casting casting can also be used.
10. the geophysical log instrument that a kind of oil exploration according to claim 1 is used convenient for control, it is characterised in that:
The shaft end set (16) is internally provided with electromagnetism lock ring, and electromagnetism locking ring set connects in the outside of transmission shaft (15) end,
Transmission connection is formed between electromagnetism lock ring and transmission shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152393.0A CN109854228B (en) | 2019-02-28 | 2019-02-28 | Geophysical logging instrument convenient to control for oil exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152393.0A CN109854228B (en) | 2019-02-28 | 2019-02-28 | Geophysical logging instrument convenient to control for oil exploration |
Publications (2)
| Publication Number | Publication Date |
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| CN109854228A true CN109854228A (en) | 2019-06-07 |
| CN109854228B CN109854228B (en) | 2023-03-28 |
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ID=66899464
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910152393.0A Active CN109854228B (en) | 2019-02-28 | 2019-02-28 | Geophysical logging instrument convenient to control for oil exploration |
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| CN110952974A (en) * | 2019-11-11 | 2020-04-03 | 东华理工大学 | Ultrasonic peri-well imaging logging instrument |
| CN111025262A (en) * | 2019-12-06 | 2020-04-17 | 中冶天工集团有限公司 | Device for detecting karst cave in rotary excavating pile by using laser radar and using method thereof |
| CN111762632A (en) * | 2020-07-02 | 2020-10-13 | 临沂矿业集团菏泽煤电有限公司 | Steel wire rope stable deviation rectifying device and deviation rectifying method |
| CN115163033A (en) * | 2022-05-07 | 2022-10-11 | 中国煤炭地质总局勘查研究总院 | Logging instrument control device and using method thereof |
| CN115542380A (en) * | 2022-09-23 | 2022-12-30 | 山东省煤田地质局第一勘探队 | Underground detector for geophysical exploration |
| CN117929017A (en) * | 2024-03-18 | 2024-04-26 | 招金有色矿业有限公司 | Handheld geological sampling drilling machine |
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| CN117929017A (en) * | 2024-03-18 | 2024-04-26 | 招金有色矿业有限公司 | Handheld geological sampling drilling machine |
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