CN111119776B - Rope core drilling tool suitable for large-caliber horizontal engineering geological exploration - Google Patents
Rope core drilling tool suitable for large-caliber horizontal engineering geological exploration Download PDFInfo
- Publication number
- CN111119776B CN111119776B CN202010138843.3A CN202010138843A CN111119776B CN 111119776 B CN111119776 B CN 111119776B CN 202010138843 A CN202010138843 A CN 202010138843A CN 111119776 B CN111119776 B CN 111119776B
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- pressing sleeve
- clamping jaw
- jaw
- spring
- claw
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- 238000005553 drilling Methods 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 210000000078 claw Anatomy 0.000 claims abstract description 27
- 210000004907 gland Anatomy 0.000 claims abstract description 9
- 239000000725 suspension Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 241001449342 Chlorocrambe hastata Species 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004429 Calibre Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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, core extractors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
Abstract
The invention discloses a rope core drilling tool suitable for geological exploration of large-caliber horizontal engineering, which comprises a spring clip positioning assembly and a salvage pushing device, wherein the salvage pushing device comprises a joint, a capturing mechanism and a pushing mechanism; the lower part of the joint is connected with a capturing mechanism and a pushing mechanism, and the pushing mechanism is positioned in the capturing mechanism; the spring clip positioning assembly comprises a claw, a pressing sleeve, a claw spring, a gland, a claw bracket, a suspension ring and a pressing sleeve spring; the clamping jaw is hinged with the clamping jaw support, a gland is arranged at the upper part of the clamping jaw support, a pressing sleeve is arranged in an inner hole of the clamping jaw support, a flange is arranged in the middle of the side wall of the pressing sleeve, and the flange can be in contact with a positioning surface of the clamping jaw; a pressing sleeve spring is arranged between the pressing sleeve and the claw bracket. The invention can improve the reliability of the large-caliber horizontal drilling rope core drilling tool in the salvage and recovery process and the centering effect in the conveying process while simplifying the structure, and reduce the abnormal abrasion of the drilling tool so as to meet the requirement of large-caliber horizontal drilling in engineering geology.
Description
Technical Field
The invention relates to a rope core drill suitable for geological exploration of large-caliber horizontal engineering.
Background
With the deep development of national strategic super engineering Sichuan railway construction, engineering geological exploration meets new challenges. The geological conditions of the Sichuan-Tibetan railway engineering are complex, the construction risk is high, and the existing equipment cannot adapt to the geological conditions of high altitude, so that the comprehensive geophysical prospecting geological prediction precision is low. Coring by horizontal drilling is a more intuitive method of geological exploration. Therefore, research of long-distance, large-caliber and near-horizontal high-precision drilling tools is carried out to meet the geological forecast requirement of the construction of the ultra-long tunnel of the Sichuan-Tibetan railway, and the construction safety is ensured and the construction efficiency is improved. The rope coring drilling technology has the advantages of high drilling efficiency, small disturbance degree to the sample and the like, and is widely applied to the field of small-caliber geological exploration. However, the large-caliber long-distance near-horizontal exploration is mainly different from the conventional geological exploration in the following steps: conventional geological exploration typically has a borehole diameter of between 75mm and 150mm, and is based on a near vertical borehole scheme, while large caliber long distance horizontal exploration typically has a borehole diameter of between 300mm and 600mm, and a near horizontal borehole scheme is employed. The increase of the diameter of the drilling hole increases the number of core samples obtained by drilling, and simultaneously the overall weight of the drilling tool (the sum of the weight of the drilling tool and the weight of the obtained core samples) is obviously increased, so that the conventional geological exploration drilling tool is usually matched with a fishing hook assembly in a fishing tool by adopting a spearhead structure, and the fishing and the lifting of the drilling tool assembly are realized, wherein the spearhead is a stress concentration point in the operation process. As the overall mass of the drill tool increases significantly, the risk of its spearhead strength failing increases and the probability of a potential drilling event increases. Compared with the vertical drilling scheme, when the near-horizontal drilling is adopted, the drilling tool is influenced by gravity, so that the eccentric wear phenomenon of the drilling tool easily occurs in the conveying process, and the running resistance is increased. In addition, during the operation of delivering the drilling tool, the elastic clamping plate of the conventional drilling tool is propped against the inner surface of the drill rod to slide downwards under the action of spring force, so that abnormal abrasion is serious. In order to improve the positioning reliability of the elastic clamping plate, the spring stiffness is often required to be improved, and meanwhile, the abrasion degree of the elastic clamping plate is increased, and the technical contradiction is more prominent in deep hole delivery. When the fishing drilling tool works, the conventional rope core drilling tool usually moves a certain distance along the axial direction by lifting a clamping cylinder connected with a spearhead so as to realize the shrinkage of the elastic clamping plate. The jamming mode requires that enough moving clearance is needed between the jamming baffle head in the jamming board and the outer pipe assembly, so that the jamming phenomenon is easy to occur when the jamming board and the jamming baffle head drill in complex stratum, and the jamming can not be successfully accepted, and the risk of jamming accidents is increased. The prior rope core drilling tool for large-caliber near-horizontal engineering exploration mainly expands the structure size on the premise of adopting a conventional structure form, and has the advantages of the rope core drilling technology in large-caliber horizontal exploration not fully exerted, and the working reliability and stability are reduced.
Disclosure of Invention
In order to solve the technical problems, the invention provides the rope core drilling tool which has the advantages of simple structure, convenient operation, high reliability and good water permeability and is suitable for geological exploration of large-caliber horizontal engineering.
The technical scheme adopted by the invention is as follows: the utility model provides a rope drilling tool that cores suitable for heavy-calibre horizontal engineering geological exploration, includes bullet card positioning assembly, salvages pusher, characterized by: the elastic clamp positioning assembly comprises a clamping jaw, a pressing sleeve, a clamping jaw spring, a pressing cover, a clamping jaw bracket, a suspension ring and a pressing sleeve spring; the clamping jaw support is provided with a plurality of through holes, each through hole is internally hinged with a clamping jaw, and the positioning surface of the clamping jaw extends into the central hole of the clamping jaw support; a jaw spring is arranged between the jaw and the jaw support, a gland is arranged on the jaw support, a pressing sleeve is arranged in a central hole of the gland, the lower part of the pressing sleeve is positioned in the jaw support, a flange is arranged in the middle of the side wall of the pressing sleeve, and the flange can be in contact with a positioning surface of the jaw; a pressing sleeve spring is arranged between the pressing sleeve and the claw bracket, and a suspension ring is arranged at the lower part of the claw bracket;
the salvaging and pushing device comprises a joint, a capturing mechanism and a pushing mechanism; the lower part of the joint is connected with a capturing mechanism and a pushing mechanism, and the pushing mechanism is positioned in the capturing mechanism; the lower end of the capturing mechanism can capture the upper end of the claw.
In the rope core drilling tool suitable for geological exploration of large-caliber horizontal engineering, the bottom surface of the flange on the side wall of the pressing sleeve is a conical surface with a large upper part and a small lower part, and the lower part of the clamping jaw is provided with a limiting surface for limiting the rotation angle of the clamping jaw.
In the rope core drilling tool suitable for geological exploration of large-caliber horizontal engineering, the upper end of the pushing mechanism is in threaded connection with the central hole of the joint, and the locking nut is arranged on the pushing mechanism.
In the rope coring drilling tool suitable for geological exploration of large-caliber horizontal engineering, the lower part of the clamping jaw is provided with the through hole, the roller is arranged in the through hole through the elastic cylindrical pin, and the elastic cylindrical pin is parallel to the cylindrical pin.
In the rope core drilling tool suitable for geological exploration of large-caliber horizontal engineering, the side surfaces of the jaw supports are uniformly provided with the water passing grooves, the water passing grooves are arranged along the bus of the jaw supports, and the through holes of the hinged jaws on the jaw supports are uniformly distributed along the circumferential direction.
In the rope core drilling tool suitable for geological exploration of large-caliber horizontal engineering, the water keyways are uniformly distributed on the side surface of the suspension ring.
In the rope core drilling tool suitable for geological exploration of large-caliber horizontal engineering, the capturing mechanism is of a bell-type structure, and the bottom of the capturing mechanism can be meshed with the top of the clamping jaw.
Compared with the prior art, the invention has the beneficial effects that:
1) The total weight of the drilling tool is jointly born by the plurality of clamping jaws in the spring clamping assembly when the fishing and lifting operation is carried out, so that the stress load of a single clamping jaw is reduced; compared with a spearhead structure, the invention can avoid the risk of the strength failure of the spearhead caused by overlarge load and improve the reliability of the operation process.
2) The claw of the invention has the positioning function of the spearhead and the snap-in plate of the conventional drilling tool, and can reduce the number of parts of the drilling tool assembly, so that the structure of the claw is simpler and more compact. In the horizontal throwing process, the roller at the lower part of the claw is contacted with the drill rod wall, so that the running resistance of the drilling tool can be reduced while the centering effect is achieved, and the eccentric wear of the drilling tool due to the gravity effect is reduced; the clamping jaw in the spring card assembly can be in a furled state when in horizontal delivery, so that excessive abrasion phenomenon in the delivery process is avoided, and the service life is long.
3) Compared with the conventional drilling tool which realizes shrinkage of the elastic clamping plate by means of axial movement of the clamping cylinder by a certain distance, the shrinkage performance of the drilling tool is quicker and more reliable, the risk that the conventional drilling tool cannot normally salvage due to the fact that a serial movement gap between the elastic clamping plate and the elastic clamping stop head is lost during drilling of a complex stratum can be avoided, the reliability is high, and the operation is convenient. In addition, the invention increases the water passing annular area of the waterway system, and the overall water passing performance of the drilling tool is improved and promoted.
Drawings
FIG. 1 is a cross-sectional view of a card latch positioning assembly of the present invention.
FIG. 2 is a schematic view of the card positioning assembly of the present invention.
Fig. 3 is a schematic structural view of the claw of the invention.
Fig. 4 is a schematic structural view of the fishing and pushing device of the present invention.
Fig. 5 is a schematic diagram of the push state of the present invention.
Fig. 6 is a schematic view of the working state of the present invention.
FIG. 7 is a schematic view of the fishing state of the present invention.
In the figure: 1-clamping jaws; 2-pressing the sleeve; 3-jaw springs; 4-capping; 5-a cylindrical pin; 6-elastic cylindrical pins; 7-a roller; 8-pressing a sleeve spring; 9-jaw support; 10-hanging rings; 11-lifting a pull head; 12-cylindrical pins; 13-linker; 14-locking nut; 15-a pushing mechanism; 16-catching mechanism; 17-drill pipe; 18-a seat ring; 19-card ejection chamber; 20-spring clip stop; 92-passing through a water tank; 101-passing through a water key groove; 021-positioning cone; 011—locating surface; 012-limit surface.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
1-7, the invention comprises a bullet clip positioning assembly and a salvaging and pushing device, wherein the salvaging and pushing device comprises a pull head 11, a cylindrical pin 12, a joint 13, a lock nut 14, a pushing mechanism 15 and a capturing mechanism 16; the lifting head 11 is hinged with the upper part of the joint 11 through a cylindrical pin 12, a capturing mechanism 13 and a pushing mechanism 14 are arranged at the lower part of the joint 11, the pushing mechanism 14 is positioned in the capturing mechanism 13, the pushing mechanism 14 is in threaded connection with a central hole of the joint 11, and a locking nut 12 is arranged on the pushing mechanism 14.
The spring clip positioning assembly comprises a claw 1, a pressing sleeve 2, a claw spring 3, a gland 4, a roller 7, a pressing sleeve spring 8, a claw bracket 9 and a suspension ring 10; a plurality of water passing grooves 92 are uniformly distributed on the side face of the jaw support 9, and the water passing grooves are arranged along bus bars of the jaw support. The jaw support 9 is provided with a plurality of through holes 91, the through holes 91 are uniformly distributed along the circumferential direction, each through hole 91 is internally hinged with a jaw 1 through a cylindrical pin 5, and a positioning surface 011 of the jaw 1 extends into a central hole of the jaw support. A jaw spring 3 is arranged between the jaw 1 and the jaw support 9, a gland 4 is arranged on the jaw support 9, a pressing sleeve 2 is arranged in a central hole of the gland 4, the lower part of the pressing sleeve 2 is positioned in the jaw support 9, a flange is arranged in the middle of the side wall of the pressing sleeve 2, and the flange can be in contact with a positioning surface 011 of the jaw 1. The bottom surface of the flange on the side wall of the pressing sleeve 2 is a conical surface with a large upper part and a small lower part, and the lower part of the clamping jaw 1 is also provided with a limiting surface 012 for limiting the rotation angle of the clamping jaw. The lower part of the claw 1 is provided with a through hole, the roller 7 is arranged in the through hole through an elastic cylindrical pin 6, and the elastic cylindrical pin 6 is parallel to the cylindrical pin 5. A pressing sleeve spring 8 is arranged between the pressing sleeve 2 and the jaw support 9, a hanging ring 10 is arranged at the lower part of the jaw support 9, and a plurality of water through key grooves 101 are uniformly distributed on the side surface of the hanging ring 10. The catching mechanism 16 is of a bell-type structure, and the bottom of the catching mechanism 16 can be meshed with the top of the clamping jaw 1.
The specific use method of the invention is as follows:
according to the invention, a rigid pushing mode (such as a hard pipe or a high-strength steel strand) is adopted for pushing and recycling the drilling tool, the catching mechanism 16 in the salvage pushing device is firstly removed when pushing operation is carried out, and then the pushing mechanism 15 in the salvage pushing device is matched with the pressing sleeve 2 in the bullet card assembly. Because the pushing mechanism 15 applies axial force to the pressing sleeve 2, the pressing sleeve 2 overcomes the elasticity of the pressing sleeve spring 8 to generate axial movement, the conical surface 021 of the pressing sleeve 2 is contacted with the positioning surface 011 of the claw 1, so that the claw 1 is forced to rotate around the cylindrical pin 5, the upper part of the claw 1 is in a furled state, and the lower roller 7 of the claw 1 is outwards stretched to be contacted with the wall of the drill rod 17. The salvaging pushing device pushes the drilling tool to carry out horizontal pushing operation.
After being pushed in place, the pushing mechanism 15 is retracted, and the pressing sleeve 2 is reset under the elasticity of the pressing sleeve spring 8. At this time, the pressing sleeve 2 is not in contact with the clamping jaw 1, and the clamping jaw 1 is reset to be outwards stretched under the action of the spring force of the clamp spring 3, so that the clamping jaw 1 is clamped in the spring clamping chamber 19 of the outer tube assembly to perform normal drilling operation of the drilling tool.
After drilling operation is finished, carrying out salvage and recovery operation, firstly removing a pushing mechanism 15 in a salvage pushing device, then installing a capturing mechanism 16, and after the completion of the installation, conveying the salvage pushing device into a central hole of a capturing mechanism 13 by adopting a rigid pushing mode (such as a hard pipe or a high-strength steel strand), so that a bell-type capturing mechanism 16 in the salvage pushing device covers a claw 1 in a bullet clamping assembly, and the top of the claw 1 and the bottom of the capturing mechanism 16 are mutually meshed. At this time, the claw 1 rotates around the cylindrical pin 5 to achieve the folding of the claw 1, and the inner pipe assembly is lifted away from the hole bottom together by pulling the salvaging pushing device, so that a salvaging operation flow is completed.
Claims (5)
1. A rope core drilling tool suitable for large-caliber horizontal engineering geological exploration comprises a spring clip positioning assembly and a salvaging pushing device, and is characterized in that: the elastic clamp positioning assembly comprises a clamping jaw, a pressing sleeve, a clamping jaw spring, a pressing cover, a clamping jaw bracket, a suspension ring and a pressing sleeve spring; the clamping jaw support is provided with a plurality of through holes, each through hole is internally hinged with a clamping jaw, and the positioning surface of the clamping jaw extends into the central hole of the clamping jaw support; a jaw spring is arranged between the jaw and the jaw support, a gland is arranged on the jaw support, a pressing sleeve is arranged in a central hole of the gland, the lower part of the pressing sleeve is positioned in the jaw support, a flange is arranged in the middle of the side wall of the pressing sleeve, and the flange can be in contact with a positioning surface of the jaw to realize the rotation of the jaw; a pressing sleeve spring is arranged between the pressing sleeve and the claw bracket, and a suspension ring is arranged at the lower part of the claw bracket;
the salvaging and pushing device comprises a joint, a capturing mechanism and a pushing mechanism; the lower part of the joint is connected with a capturing mechanism and a pushing mechanism, and the pushing mechanism is positioned in the capturing mechanism; the lower end of the capturing mechanism can capture the upper end of the claw;
the lower part of the claw is provided with a through hole, and the idler wheel is arranged in the through hole through an elastic cylindrical pin;
the side surface of the suspension ring is uniformly provided with water through key grooves.
2. The rope core drill suitable for geological exploration of large caliber horizontal projects as recited in claim 1, wherein: the bottom surface of the flange on the side wall of the pressing sleeve is a conical surface with a large upper part and a small lower part, and a limiting surface for limiting the rotation angle of the clamping jaw is arranged at the lower part of the clamping jaw.
3. The rope core drill suitable for geological exploration of large caliber horizontal projects as recited in claim 1, wherein: the side of the jaw support is uniformly provided with a plurality of water passing grooves, the water passing grooves are arranged along the bus of the jaw support, and a plurality of through holes of the hinged jaw on the jaw support are uniformly distributed along the circumferential direction.
4. The rope core drill suitable for geological exploration of large caliber horizontal projects as recited in claim 1, wherein: the catching mechanism is of a bell-jar structure, and the bottom of the catching mechanism can be mutually meshed with the top of the clamping jaw.
5. The rope core drill suitable for geological exploration of large caliber horizontal projects as recited in claim 1, wherein: the upper end of the pushing mechanism is in threaded connection with a central hole of the joint, and a lock nut is arranged on the pushing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138843.3A CN111119776B (en) | 2020-03-03 | 2020-03-03 | Rope core drilling tool suitable for large-caliber horizontal engineering geological exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138843.3A CN111119776B (en) | 2020-03-03 | 2020-03-03 | Rope core drilling tool suitable for large-caliber horizontal engineering geological exploration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111119776A CN111119776A (en) | 2020-05-08 |
| CN111119776B true CN111119776B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010138843.3A Active CN111119776B (en) | 2020-03-03 | 2020-03-03 | Rope core drilling tool suitable for large-caliber horizontal engineering geological exploration |
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| CN (1) | CN111119776B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594083B (en) * | 2020-05-25 | 2022-04-29 | 江苏煤炭地质勘探三队 | Rope coring system for rock and mine exploration |
| CN113859096B (en) * | 2021-09-07 | 2023-10-20 | 湖南双达机电有限责任公司 | Pipe string claw and pipe string vehicle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3333647A (en) * | 1964-11-27 | 1967-08-01 | Longyear E J Co | Wire line core barrel |
| CN87202520U (en) * | 1987-02-26 | 1988-12-14 | 太史信昌 | Claw type single-side corer |
| SU1624123A1 (en) * | 1988-11-01 | 1991-01-30 | Всесоюзный Научно-Исследовательский Институт Методики И Техники Разведки | String of tools |
| SU1756532A1 (en) * | 1990-04-23 | 1992-08-23 | Комплексная Геофизико-Геохимическая Экспедиция "Казгеология" | Drilling tool and sampler catcher and method for catcher application |
| CN2690572Y (en) * | 2004-03-01 | 2005-04-06 | 辽河石油勘探局 | Core taking tool while drilling |
| CN106988697A (en) * | 2017-04-12 | 2017-07-28 | 吉林大学 | A kind of ocean gas hydrate freezes fidelity core drill |
| WO2018133886A1 (en) * | 2017-01-23 | 2018-07-26 | 珠海市英格尔特种钻探设备有限公司 | Rope coring drill-based engineering geology drilling construction method |
| CN108360993A (en) * | 2018-04-23 | 2018-08-03 | 无锡锡钻地质装备有限公司 | A kind of exploration core plugging notifying mechanism of rope core drilling |
| CN208605152U (en) * | 2018-07-05 | 2019-03-15 | 湖南科技大学 | A kind of engineering exploration cord coring drill suitable for seabed drilling machine |
| CN110125647A (en) * | 2019-03-27 | 2019-08-16 | 浙江亚太机电股份有限公司 | The booster of auxiliary assembly reinstalls a spring perch device |
| CN211623372U (en) * | 2020-03-03 | 2020-10-02 | 湖南科技大学 | Rope coring drilling tool suitable for large-caliber horizontal engineering geological exploration |
-
2020
- 2020-03-03 CN CN202010138843.3A patent/CN111119776B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3333647A (en) * | 1964-11-27 | 1967-08-01 | Longyear E J Co | Wire line core barrel |
| CN87202520U (en) * | 1987-02-26 | 1988-12-14 | 太史信昌 | Claw type single-side corer |
| SU1624123A1 (en) * | 1988-11-01 | 1991-01-30 | Всесоюзный Научно-Исследовательский Институт Методики И Техники Разведки | String of tools |
| SU1756532A1 (en) * | 1990-04-23 | 1992-08-23 | Комплексная Геофизико-Геохимическая Экспедиция "Казгеология" | Drilling tool and sampler catcher and method for catcher application |
| CN2690572Y (en) * | 2004-03-01 | 2005-04-06 | 辽河石油勘探局 | Core taking tool while drilling |
| WO2018133886A1 (en) * | 2017-01-23 | 2018-07-26 | 珠海市英格尔特种钻探设备有限公司 | Rope coring drill-based engineering geology drilling construction method |
| CN106988697A (en) * | 2017-04-12 | 2017-07-28 | 吉林大学 | A kind of ocean gas hydrate freezes fidelity core drill |
| CN108360993A (en) * | 2018-04-23 | 2018-08-03 | 无锡锡钻地质装备有限公司 | A kind of exploration core plugging notifying mechanism of rope core drilling |
| CN208605152U (en) * | 2018-07-05 | 2019-03-15 | 湖南科技大学 | A kind of engineering exploration cord coring drill suitable for seabed drilling machine |
| CN110125647A (en) * | 2019-03-27 | 2019-08-16 | 浙江亚太机电股份有限公司 | The booster of auxiliary assembly reinstalls a spring perch device |
| CN211623372U (en) * | 2020-03-03 | 2020-10-02 | 湖南科技大学 | Rope coring drilling tool suitable for large-caliber horizontal engineering geological exploration |
Non-Patent Citations (1)
| Title |
|---|
| 海底钻机的高可靠绳索取心钻具的结构优化与仿真分析;王佳亮 等;《煤田地质与勘探》;20190831;第47卷(第4期);全文 * |
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| CN111119776A (en) | 2020-05-08 |
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