CN115126432B - Efficient deep geothermal resource investigation device and method - Google Patents
Efficient deep geothermal resource investigation device and method Download PDFInfo
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- CN115126432B CN115126432B CN202210962712.6A CN202210962712A CN115126432B CN 115126432 B CN115126432 B CN 115126432B CN 202210962712 A CN202210962712 A CN 202210962712A CN 115126432 B CN115126432 B CN 115126432B
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- 238000000034 method Methods 0.000 title claims description 9
- 238000011835 investigation Methods 0.000 title claims description 8
- 238000005553 drilling Methods 0.000 claims abstract description 97
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000012634 fragment Substances 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 6
- 239000000872 buffer Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
- E21B25/04—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe the core receiver having a core forming cutting edge or element, e.g. punch type core barrels
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- 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)
- Earth Drilling (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a high-efficiency deep geothermal resource exploration device, which relates to the technical field of geothermal resource exploration, and comprises driving equipment, wherein the driving equipment is preset at a position to be drilled; the transmission column is vertically fixed on the output end of the driving equipment; the drilling column is fixed at one end of the transmission column far away from the driving equipment; the reamer wall is in an inverted cone shape and is fixed on the outer wall of the transmission column at a position close to the drilling column; the drilling assembly is arranged at one end of the drilling column far away from the transmission column; the middle positions of the transmission column, the drilling column and the reamer wall are provided with mutually communicated sliding holes in a penetrating manner; and the coring assembly is arranged in the sliding hole in a sliding way, and one end of the coring assembly is connected with the driving device.
Description
Technical Field
The invention relates to the technical field of geothermal resource exploration, in particular to a high-efficiency deep geothermal resource exploration device.
Background
Geothermal resource exploration is a geological work such as geology, geophysics, geochemical comprehensive investigation, drilling and testing, sampling testing, dynamic monitoring and the like performed to find geothermal resources in a certain area. According to the degree of investigation work, the method can be divided into investigation, pre-feasibility investigation, exploitation and other stages.
The drilling and core taking are needed when deep geothermal resource exploration is conducted, so that exploration accuracy is improved, but the existing method is that drilling is conducted firstly, a drill bit is taken out when a coring position is reached, a barrel drilling line is replaced, then the drill bit is put into the barrel drilling line for drilling, the drilling is conducted repeatedly, the drilling is complex and time-consuming, and two conditions that the core is not separated from the barrel drilling easily or the core falls off can occur during coring, so that workload is increased.
In order to solve the above problems, the present invention provides a deep geothermal resource exploration device with high efficiency.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: an efficient deep geothermal resource survey device comprising:
the driving device is preset at the position to be drilled;
the transmission column is vertically fixed on the output end of the driving equipment;
the drilling column is fixed at one end of the transmission column far away from the driving equipment;
the reamer wall is in an inverted cone shape and is fixed on the outer wall of the transmission column at a position close to the drilling column;
the drilling assembly is arranged at one end of the drilling column far away from the transmission column;
the middle positions of the transmission column, the drilling column and the reamer wall are provided with mutually communicated sliding holes in a penetrating manner; and
the coring assembly is arranged in the sliding hole in a sliding way, and one end of the coring assembly is connected with the driving device.
Further, preferably, the drilling assembly comprises:
the unfolding assembly is arranged at the circumferential position of the drilling column in a sliding manner;
one end of the connecting rod is arranged on the unfolding assembly; and
the drill bit is hinged at the other end of the connecting rod, and a micro motor is arranged at the hinge position
The drill bit is composed of a plurality of fan-shaped cambered surfaces, can be opened and closed through the unfolding assembly, and forms a semicircular drill wall when being combined, and a cone is arranged on the outer wall of the semicircular drill wall.
Further, preferably, the deployment assembly includes:
the sliding plate is arranged in the drilling column in a sliding manner, and an extension spring is arranged between the sliding plate and the drilling column;
the unfolding column is rotatably arranged in the sliding plate, one end of the connecting rod is fixed on the outer wall of the unfolding column, and a limit groove is formed in the inner wall of the unfolding column;
the rotating shaft is rotatably arranged in the unfolding column, both ends of the rotating shaft extend out of the unfolding column, and one end of the rotating shaft is connected with the output end of the micro motor I fixed on the side wall of the sliding plate; and
the swinging disc is fixed at the other end of the rotating shaft extending out of the expanding column and is a fan-shaped disc;
and a limiting column is fixed at the corresponding position of the rotating shaft and the limiting groove.
Further, preferably, the coring assembly includes:
the outer wall is arranged in the drilling column in a sliding manner, a plurality of buffers are fixed on the inner wall of the drilling column, and the drilling column is driven to slide up and down by driving equipment;
the lifting column is arranged in the drilling column in a sliding manner, a plurality of connecting columns are fixed on the lower end face of the lifting column, and the lifting column can be independently controlled with the outer wall through driving equipment; and
the barrel drill adopts the sliding block slidable to set up in the outer wall, and the sliding block is with barrel drill lateral wall sliding connection to be located barrel drill homonymy and all dispose two sliding blocks of arranging from top to bottom, be provided with reset spring between two sliding blocks.
Further, preferably, the connecting columns of the lower end face of the lifting column are all in limit connection with the upper end face of the barrel drill, and the middle position of the lower end face of the lifting column is fixedly provided with a round table, the round table stretches into the barrel drill, and the stretching length is when the barrel drill compresses the reset spring to the maximum compression amount, and at the moment, the lower end face of the round table is flush with the lower end face of the outer wall or lower than the lower end face of the outer wall.
Further, preferably, a spiral column is fixed in the middle of the lower end surface of the circular truncated cone, a crushing blade spirally arranged with the spiral column as a center is further fixed on the lower end surface of the circular truncated cone, a crushing knife is arranged on one side of the crushing blade, and a reinforcing needle is fixed on the other side of the crushing blade.
An efficient method for deep geothermal resource exploration, comprising the following steps:
s1, equipment is installed, driving equipment is moved to a position to be drilled, and components in the device are respectively connected with the driving equipment and used for independent control;
s2, starting drilling, enabling the driving device to drive the transmission column to rotate and move downwards, so that the drilling assembly performs drilling operation, and reaming the drilling drilled by the drilling assembly through the reamer wall;
s3, core sampling preparation, wherein when the drilling assembly drills 100m, the drilling assembly is lifted to a reaming position through a driving device, then a rotating shaft is driven to rotate through a first micro motor, so that a swinging disc is in contact with a drilling column, a sliding plate is ejected out, a drill bit is enabled to radially translate at the bottom of the drilling column, the drill bit is enabled to move out of the drilling column, then the first micro motor continuously rotates, so that a limit column drives an unfolding column to rotate, and at the moment, the micro motor is started to be matched with the first micro motor to unfold the drill bit;
s4, core sampling, namely downwards moving the outer wall to the outside of the drill bit through driving equipment, then independently controlling the lifting column to downwards move by the driving equipment, enabling the barrel drill to extend out of the outer wall, at the moment, integrally rotating the driving equipment control device, drilling the core, crushing the top of the core through the crushing blade after drilling is completed, enabling crushed rock fragments to enter the space between the inner wall of the barrel drill and the core, and then reversing the device, enabling the reinforcing needle to enter the core, so that the core is twisted off, taking out the core through the lifting column, combining the drill bits, and continuing drilling until the next sampling point.
Compared with the prior art, the invention provides a high-efficiency deep geothermal resource exploration device, which has the following beneficial effects:
according to the invention, the barrel drill and the drilling assembly are combined, so that the core can be taken through the barrel drill and the core can be sent out when each drilling is carried out for 100m, the drilling assembly can continue drilling while the core is sent out, the coring and the drilling can be continuously carried out, the efficiency is improved, rock fragments can be filled between the barrel drill and the core through one side of the crushing blade during coring, the friction between the core and the barrel drill is improved, the core is twisted off conveniently through rotating torsion, and then the rock fragments between the barrel drill and the core can be shaken off conveniently through up-and-down shaking of the lifting column, so that the core is separated from the barrel drill through one side of the spiral column and the crushing blade reinforcing needle, the core is taken out from the barrel drill and collected in the drilling, and the convenience of core separation is improved.
Drawings
FIG. 1 is an overall schematic of an efficient deep geothermal resource survey apparatus;
FIG. 2 is a schematic illustration of a coring assembly of an efficient deep geothermal resource survey device;
FIG. 3 is a schematic diagram of an efficient deep geothermal resource survey device deployment assembly;
in the figure: 1. a drive column; 2. a reamer wall; 3. drilling a column; 4. a drilling assembly; 5. a coring assembly; 41. a deployment assembly; 42. a connecting rod; 43. a drill bit; 44. a roller cone; 51. lifting columns; 52. coring a column; 53. a connecting column; 54. a screw column; 55. a crushing blade; 56. a barrel drill; 57. a slide block; 58. a buffer; 411. a sliding plate; 412. expanding the column; 413. a rotating shaft; 414. a swinging disc; 415. and a limit column.
Detailed Description
Referring to fig. 1 to 3, the present invention provides a technical solution: an efficient deep geothermal resource survey device comprising:
the driving device is preset at the position to be drilled;
the transmission column 1 is vertically fixed on the output end of the driving equipment;
the drilling column 3 is fixed at one end of the transmission column 1 far away from the driving equipment;
the reamer wall 2 is in an inverted cone shape and is fixed on the outer wall of the transmission column 1 at a position close to the drilling column 3;
a drilling assembly 4 mounted at the end of the drilling column 3 remote from the drive column 1;
the middle positions of the transmission column 1, the drilling column 3 and the reamer wall 2 are provided with mutually communicated sliding holes in a penetrating manner; and
the coring assembly 5 is slidably disposed in the sliding hole and has one end connected to the driving device.
It should be noted that the driving device at least comprises a rotating device and three lifting devices, the three lifting devices respectively control the drilling assembly 4 and the coring assembly 5, and the coring assembly 5 is controlled by the two lifting devices.
In this embodiment, the drilling assembly 4 comprises:
a deployment assembly 41 slidably disposed at a circumferential location of the drill string 3;
a link 42 having one end mounted on the deployment assembly 41; and
a drill 43 hinged to the other end of the connecting rod 42 and provided with a micro motor at the hinge position
The drill 43 is formed of a plurality of arc-shaped segments, and can be opened and closed by the expansion assembly 41, so that a semicircular drill wall is formed during combination, and the outer wall of the semicircular drill wall is provided with a cone 44.
That is, when the drill bits 43 are combined, the upper end surfaces thereof are in contact with the lower end surfaces of the drill string 3, thereby supporting the entire drill bits 43 and improving the stability of the combination.
As a preferred embodiment, the deployment assembly 41 comprises:
a sliding plate 411 slidably disposed in the drilling string 3 and provided with a tension spring between the sliding plate and the drilling string 3;
the unfolding column 412 is rotatably arranged in the sliding plate 411, one end of the connecting rod 42 is fixed on the outer wall of the unfolding column, and a limit groove is formed in the inner wall of the unfolding column;
a rotating shaft 413 rotatably disposed in the expansion column 412, and having both ends extended out of the expansion column 412, and one end connected to an output end of the first micro motor fixed to a side wall of the sliding plate 411; and
a swing disc 414 fixed to the other end of the rotation shaft 413 extending out of the expansion column 412 and being a sector disc;
and, a limit post 415 is fixed at a position of the rotary shaft 413 corresponding to the limit groove.
That is, when the deployment is performed, the micro motor first drives the rotating shaft 413 to rotate, so that the swinging disc 414 contacts the drilling column 3, and the sliding plate 411 is ejected, so that the drill bit 43 radially translates at the bottom of the drilling column 3, the upper end face of the drill bit moves out of the drilling column 3, and then the micro motor first continues to rotate, so that the limiting column 415 drives the deployment column 412 to rotate, and at the moment, the micro motor is started to cooperate with the micro motor first to deploy the drill bit 43.
In this embodiment, the coring assembly 5 includes:
an outer wall slidably disposed inside the drilling string 3, and having a plurality of buffers 58 fixed to an inner wall thereof and being slid up and down by a driving device;
the lifting column 51 is slidably arranged in the drilling column 3, a plurality of connecting columns 53 are fixed on the lower end surface of the lifting column 51, and the lifting column 51 can be independently controlled with the outer wall through driving equipment; and
the barrel drill 56 is slidably arranged in the outer wall by adopting the sliding blocks 57, the sliding blocks 57 are slidably connected with the side wall of the barrel drill 56, the two sliding blocks 57 which are arranged up and down are arranged on the same side of the barrel drill 56, and a reset spring is arranged between the two sliding blocks 57.
That is, the outer wall of the barrel drill 56 is slightly vibrated by the slider and the return spring, so that rock fragments between the barrel drill 56 and the core can be shaken off, and the core is easily separated.
As a preferred embodiment, the connecting posts 53 on the lower end surface of the lifting post 51 are all connected to the upper end surface of the barrel drill 56 in a limited manner, and a round table is fixed in the middle of the lower end surface of the lifting post 51, and extends into the barrel drill 56, and the extension length is that when the barrel drill 56 compresses the return spring to the maximum compression amount, the lower end surface of the round table is flush with or lower than the lower end surface of the outer wall at this time.
As a preferred embodiment, a screw column 54 is fixed in the middle of the lower end surface of the circular truncated cone, a crushing blade 55 spirally arranged with the screw column 54 as a center is also fixed on the lower end surface of the circular truncated cone, a crushing blade is arranged on one side of the crushing blade 55, and a reinforcing needle is fixed on the other side of the crushing blade.
That is, the helical post 54 can rotate into the core to provide friction for the twisting off of the core, and also to secure the core with the reinforcing pin during core removal for core removal.
An efficient method for deep geothermal resource exploration is characterized in that: the method comprises the following steps:
s1, equipment is installed, driving equipment is moved to a position to be drilled, and components in the device are respectively connected with the driving equipment and used for independent control;
s2, starting drilling, enabling the driving device to drive the transmission column 1 to rotate and move downwards, so that the drilling assembly 4 performs drilling operation, and reaming the drilling drilled by the drilling assembly 4 through the reamer wall 2;
s3, core sampling preparation, wherein when the drilling component 4 drills 100m, the drilling component 4 is lifted to a reaming position through a driving device, then a rotating shaft 413 is driven to rotate through a micro motor I, so that a swinging disc 414 is in contact with the drilling column 3, a sliding plate 411 is ejected out, the drill bit 43 is enabled to radially translate at the bottom of the drilling column 3, the drill bit moves out of the drilling column 3, then the micro motor I continues to rotate, a limiting column 415 drives an expanding column 412 to rotate, and at the moment, the micro motor I is started to cooperate with the micro motor I to expand the drill bit 43;
s4, core sampling, the outer wall is moved downwards to the outside of the drill bit 43 through driving equipment, then the driving equipment independently controls the lifting column 51 to move downwards, the barrel drill 56 stretches out of the outer wall, at the moment, the driving equipment controls the whole device to rotate, core drilling is carried out, after drilling is completed, the top of the core is broken through the breaking blade 55, broken rock fragments enter between the inner wall of the barrel drill 56 and the core, afterwards, the device reverses, the reinforcing needle enters the core, so that the core is twisted off, the core is taken out through the lifting column 51, meanwhile, the drill bits 43 are combined, drilling is continued until the next sampling point, and the accuracy of investigation can be improved through multiple sampling.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. An efficient deep geothermal resource investigation device which is characterized in that: comprising the following steps:
the driving device is preset at the position to be drilled;
the transmission column (1) is vertically fixed on the output end of the driving equipment;
the drilling column (3) is fixed at one end of the transmission column (1) far away from the driving equipment;
the reamer wall (2) is in an inverted cone shape and is fixed at the position of the outer wall of the transmission column (1) close to the drilling column (3);
the drilling assembly (4) is arranged at one end of the drilling column (3) far away from the transmission column (1);
the middle positions of the transmission column (1), the drilling column (3) and the reamer wall (2) are provided with mutually communicated sliding holes in a penetrating manner; and
the coring assembly (5) is arranged in the sliding hole in a sliding way, and one end of the coring assembly is connected with the driving device;
the drilling assembly (4) comprises:
a deployment assembly (41) slidably disposed at a circumferential position of the drill string (3);
a link (42) having one end mounted to the deployment assembly (41); and
a drill bit (43) hinged with the other end of the connecting rod (42) and provided with a micro motor at the hinge position
The drill bit (43) is composed of a plurality of fan-shaped cambered surfaces, and can be opened and closed through the unfolding assembly (41), so that a semicircular drill wall is formed during combination, and a roller cone (44) is arranged on the outer wall of the semicircular drill wall;
the deployment assembly (41) comprises:
the sliding plate (411) is arranged in the drilling column (3) in a sliding manner, and an extension spring is arranged between the sliding plate and the drilling column (3);
the unfolding column (412) is rotatably arranged in the sliding plate (411), one end of the connecting rod (42) is fixed on the outer wall of the unfolding column, and a limit groove is formed in the inner wall of the unfolding column;
the rotating shaft (413) is rotatably arranged in the unfolding column (412), the two ends of the rotating shaft extend out of the unfolding column (412), and one end of the rotating shaft is connected with the output end of the micro motor I fixed on the side wall of the sliding plate (411); and
a swinging disc (414) which is fixed at the other end of the rotating shaft (413) extending out of the expanding column (412) and is a fan-shaped disc;
a limit column (415) is fixed at a position of the rotary shaft (413) corresponding to the limit groove;
the coring assembly (5) comprises:
the outer wall is arranged in the drilling column (3) in a sliding manner, a plurality of buffers (58) are fixed on the inner wall of the outer wall, and the outer wall slides up and down through driving equipment;
the lifting column (51) is arranged in the drilling column (3) in a sliding manner, a plurality of connecting columns (53) are fixed on the lower end face of the lifting column (51), and the lifting column (51) and the outer wall can be independently controlled through driving equipment; and
the barrel drill (56) is slidably arranged in the outer wall by adopting a sliding block (57), the sliding block (57) is slidably connected with the side wall of the barrel drill (56), and the two sliding blocks (57) which are arranged up and down are arranged on the same side of the barrel drill (56), and a reset spring is arranged between the two sliding blocks (57);
the connecting columns (53) of the lower end face of the lifting column (51) are all in limit connection with the upper end face of the barrel drill (56), a round table is fixed in the middle of the lower end face of the lifting column (51), the round table stretches into the barrel drill (56), and the stretching length is that when the barrel drill (56) compresses the reset spring to the maximum compression amount, the lower end face of the round table is flush with or lower than the lower end face of the outer wall at the moment.
2. An efficient deep geothermal resource survey apparatus according to claim 1 wherein: the middle position of the lower end surface of the round table is fixedly provided with a spiral column (54), the lower end surface of the round table is also fixedly provided with a crushing blade (55) which is spirally distributed by taking the spiral column (54) as a center, one side of the crushing blade (55) is provided with a crushing blade, and the other side of the crushing blade is fixedly provided with a reinforcing needle.
3. A method of efficient deep geothermal resource exploration according to claim 2, wherein: the method comprises the following steps:
s1, equipment is installed, driving equipment is moved to a position to be drilled, and components in a deep geothermal resource exploration device are respectively connected with the driving equipment and used for independent control;
s2, starting drilling, enabling the driving device to drive the transmission column (1) to rotate and move downwards, so that the drilling assembly (4) performs drilling operation, and reaming the drilling drilled by the drilling assembly (4) through the reamer wall (2);
s3, core sampling preparation, wherein when the drilling component (4) drills 100m, the drilling component (4) is lifted to a reaming position through driving equipment, then a rotating shaft (413) is driven to rotate through a micro motor, so that a swinging disc (414) is contacted with a drilling column (3), a sliding plate (411) is ejected, a drill bit (43) radially translates at the bottom of the drilling column (3) to move out of the drilling column (3), then the micro motor continuously rotates, so that a limit column (415) drives an unfolding column (412) to rotate, and the micro motor is started to be matched with the micro motor to unfold the drill bit (43);
s4, core sampling, the outer wall is downwards moved to the outside of the drill bit (43) through driving equipment, then the driving equipment independently controls the lifting column (51) to downwards move, so that the barrel drill (56) stretches out of the outer wall, at the moment, the driving equipment control device integrally rotates to drill the core, after the drilling is completed, the top of the core is crushed through the crushing blade (55), crushed rock fragments enter between the inner wall of the barrel drill (56) and the core, the device integrally reversely rotates, the reinforcing needle enters the inside of the core, and accordingly the core is twisted off, the core is taken out through the lifting column (51), meanwhile, the drill bit (43) is combined, and drilling is continued until the next sampling point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210962712.6A CN115126432B (en) | 2022-08-11 | 2022-08-11 | Efficient deep geothermal resource investigation device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210962712.6A CN115126432B (en) | 2022-08-11 | 2022-08-11 | Efficient deep geothermal resource investigation device and method |
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| CN115126432A CN115126432A (en) | 2022-09-30 |
| CN115126432B true CN115126432B (en) | 2023-05-30 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1435745A1 (en) * | 1986-12-08 | 1988-11-07 | Среднеазиатский Научно-Исследовательский Институт Геологии И Минерального Сырья | Expander for taking samples in boreholes |
| CN106285667A (en) * | 2016-08-19 | 2017-01-04 | 潘荣琼 | One is run quality sample sampling swimmingly and is drilled through mechanism |
| WO2018094586A1 (en) * | 2016-11-23 | 2018-05-31 | 邴启忠 | Solar-powered sampling device for use with geological samples |
| CN213422671U (en) * | 2020-10-26 | 2021-06-11 | 高超 | Soil sampling drilling tool device for geological exploration |
| CN113236168A (en) * | 2021-06-28 | 2021-08-10 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Drilling combined coring equipment for fourth-system drilling construction |
| CN113374431A (en) * | 2021-06-15 | 2021-09-10 | 中国煤炭地质总局广东煤炭地质局勘查院 | Core drilling device for geological exploration |
| CN113389512A (en) * | 2021-06-15 | 2021-09-14 | 中国煤炭地质总局广东煤炭地质局勘查院 | Multifunctional geological exploration drilling device |
-
2022
- 2022-08-11 CN CN202210962712.6A patent/CN115126432B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1435745A1 (en) * | 1986-12-08 | 1988-11-07 | Среднеазиатский Научно-Исследовательский Институт Геологии И Минерального Сырья | Expander for taking samples in boreholes |
| CN106285667A (en) * | 2016-08-19 | 2017-01-04 | 潘荣琼 | One is run quality sample sampling swimmingly and is drilled through mechanism |
| WO2018094586A1 (en) * | 2016-11-23 | 2018-05-31 | 邴启忠 | Solar-powered sampling device for use with geological samples |
| CN213422671U (en) * | 2020-10-26 | 2021-06-11 | 高超 | Soil sampling drilling tool device for geological exploration |
| CN113374431A (en) * | 2021-06-15 | 2021-09-10 | 中国煤炭地质总局广东煤炭地质局勘查院 | Core drilling device for geological exploration |
| CN113389512A (en) * | 2021-06-15 | 2021-09-14 | 中国煤炭地质总局广东煤炭地质局勘查院 | Multifunctional geological exploration drilling device |
| CN113236168A (en) * | 2021-06-28 | 2021-08-10 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Drilling combined coring equipment for fourth-system drilling construction |
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| Publication number | Publication date |
|---|---|
| CN115126432A (en) | 2022-09-30 |
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