CN109372457B - Core-taking and coreless drilling non-lifting conversion drilling tool - Google Patents
Core-taking and coreless drilling non-lifting conversion drilling tool Download PDFInfo
- Publication number
- CN109372457B CN109372457B CN201811524647.9A CN201811524647A CN109372457B CN 109372457 B CN109372457 B CN 109372457B CN 201811524647 A CN201811524647 A CN 201811524647A CN 109372457 B CN109372457 B CN 109372457B
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- pipe
- drill bit
- drilling
- core containing
- clamping plate
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- 238000005553 drilling Methods 0.000 title claims abstract description 101
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 210000002445 nipple Anatomy 0.000 claims abstract description 18
- 241001449342 Chlorocrambe hastata Species 0.000 claims abstract description 12
- 239000011435 rock Substances 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
- 230000003068 static effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
-
- 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
-
- 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
- E21B7/00—Special methods or apparatus for drilling
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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)
- Marine Sciences & Fisheries (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a coring and centerless drilling non-lifting conversion drilling tool, which comprises an outer pipe assembly and an inner pipe assembly, wherein the inner pipe assembly comprises an inner pipe and a core containing pipe, the core containing pipe is arranged in the inner pipe, the core containing pipe and the inner pipe can keep relative rotation through a single-action device, the inner pipe is connected with an inner drill bit, the inner pipe is in transmission connection with the outer pipe through a transmission torque nipple and a transmission torque ring, the outer drill bit is connected with the outer pipe, during coring drilling, a core enters the core containing pipe, the coring is clamped through a clamp spring, the outer pipe, the outer drill bit, the inner pipe and the inner drill bit synchronously rotate, the core containing pipe and the clamp spring keep relatively static, and the core is protected from being damaged; when the operating condition need be changed into the centerless drilling, link to each other through dragging for the spearhead and fisher, the earth's surface is salvaged with inner tube assembly to fisher, changes interior drill bit, drops into the outer tube assembly with inner tube assembly again, need not to propose the earth's surface with the whole structure of drilling tool, can accomplish the conversion process of drill bit, improves probing work efficiency.
Description
Technical Field
The invention relates to the technical field of drilling equipment and peripheral supporting facilities thereof, in particular to a core-taking and centerless drilling conversion drilling tool without lifting a drill.
Background
The drilling tool is composed of an active drill rod, a core tube, a reamer at the bottom end and a drill bit, and a drill collar is additionally connected to the upper part of the core tube when necessary. The drilling tool has the functions of transmitting bit pressure and rotary torque to the drill bit during the process of drilling rock stratum, conveying drilling flushing fluid to the bottom of a hole and collecting a rock core.
In the traditional drilling of petroleum drilling, geological drilling and other fields, underground rock core drilling or non-core drilling is adopted, and when the two methods are converted, a drilling tool and a drill bit need to be lifted and replaced. A large amount of time is consumed for one drill rod and one drilling tool to be replaced under the condition of a deep hole (well), the drilling efficiency is influenced, the labor intensity of workers is high, and the cost is increased; although the geological core drilling realizes the wire line coring drilling process without coring, when the complete drilling without coring is needed, the drill rods in the holes are all lifted out of the ground surface to convert the drilling tool without coring. In actual drilling, such as drilling of oil, natural gas, geothermal heat, coal fields and the like, generally, intermittent coring or local coring during drilling of a target layer is performed, and the rest hole sections are all coreless and complete drilling, so far, a technical method for changing a drilling tool for bottom hole coring and non-coring drilling without drilling is not solved.
Therefore, how to change the current situation that the drilling tool needs to be lifted out of the ground integrally when the core drilling tool and the centerless drilling tool are switched in the drilling process in the prior art is a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a core drilling and centerless drilling conversion drilling tool without lifting a drill, so as to solve the problems in the prior art, complete the conversion of the core drilling tool and the centerless drilling tool without lifting the whole structure of the drilling tool out of the ground surface, and improve the drilling efficiency.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a core-taking and centerless drilling conversion drilling tool without lifting a drill, which comprises:
the outer pipe assembly comprises a drill rod conversion joint, an elastic clamping chamber, an outer pipe, a reamer, a torsion transmission ring and an outer drill bit, wherein the elastic clamping chamber is connected with the drill rod conversion joint and the outer pipe;
the inner pipe assembly comprises a spear fishing head, a bullet clamping plate device, a single-action device, an inner pipe, a torque coupling nipple, an inner drill bit, a rock core containing pipe and a snap spring, the spear fishing head can be connected with a fisher, the bullet clamping plate device can clamp the inner wall of a bullet clamping chamber, the bullet clamping plate device is connected with the spear fishing head and the single-action device, a suspension ring is sleeved outside the spear fishing head, a seat ring is arranged inside the outer pipe and sleeved outside the suspension ring, the single-action device is positioned between the inner pipe and the rock core containing pipe and can realize relative rotation of the inner pipe and the rock core containing pipe, the inner pipe is connected with the inner drill bit through the torque coupling nipple, the rock core containing pipe is positioned inside the inner pipe, the snap spring is connected with the rock core containing pipe, and the torque coupling nipple is in meshing transmission with the torque coupling ring, the torque transmission nipple is connected with the inner drill bit, the clamp spring is arranged inside the inner drill bit, and the clamp spring is connected with the core containing pipe;
the outer pipe assembly is sleeved outside the inner pipe assembly, the inner drill extends out of the outer drill, and the outer pipe assembly and the inner pipe assembly are coaxially arranged.
Preferably, the inner pipe assembly further comprises a clamp spring seat, the clamp spring is connected with the core containing pipe through the clamp spring seat, and a clamp spring retainer ring is arranged between the clamp spring seat and the core containing pipe.
Preferably, the elastic clamping plate device comprises a fishing body, an elastic part and a clamping plate, the elastic part is connected with the fishing body, the clamping plate is hinged to the fishing body, the clamping plate can be opened under the action of pressure and abuts against the inner wall of the elastic clamping chamber, and the clamping plate can be furled under the action of tensile force of the elastic part.
Preferably, the elastic member is a spring, the spring catch plate device further comprises a spring sleeve, the elastic member is arranged in the spring sleeve, and the spring sleeve is connected with the fishing spearhead and the fishing body.
Preferably, set up the hinge on the drag for lance head, set up the slot hole on the cardboard, the hinge articulate in the slot hole, just the hinge can be along the major axis direction reciprocating motion of slot hole.
Preferably, the torque transmission nipple is detachably connected with the inner drill bit.
Preferably, the torque transmission nipple is in threaded connection with the inner drill bit, and the threaded fastening direction of the torque transmission nipple and the inner drill bit is the same as the rotation direction of the inner drill bit.
Preferably, the inner diameter of the outer drill bit is 3-4mm larger than the outer diameter of the inner drill bit.
Preferably, the length of the inner drill bit extending out of the outer drill bit is 5-10 cm.
Compared with the prior art, the invention has the following technical effects: the invention relates to a coring and centerless drilling non-lifting conversion drilling tool, which comprises an outer pipe assembly and an inner pipe assembly, wherein the inner pipe assembly comprises an inner pipe and a core containing pipe, the core containing pipe is arranged in the inner pipe, the core containing pipe and the inner pipe can keep relative rotation through a single-action device, the inner pipe is connected with an inner drill bit, the inner pipe is in transmission connection with the outer pipe through a transmission torque nipple and a transmission torque ring, the outer drill bit is connected with the outer pipe, when coring drilling, a core enters the core containing pipe, the core is clamped through a clamp spring, the outer pipe, the outer drill bit, the inner pipe and the inner drill bit synchronously rotate, the core containing pipe and the clamp spring keep relatively static, and the core is protected; when the operating condition need be changed into the centerless drilling, link to each other through dragging for the spearhead and fisher, the earth's surface is salvaged with inner tube assembly to fisher, changes interior drill bit, drops into the outer tube assembly with inner tube assembly again, need not to propose the earth's surface with the whole structure of drilling tool, can accomplish the conversion process of drill bit, improves probing work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of a cross-sectional configuration of the coring and centerless drilling no-pull crossover drilling tool of the present invention;
FIG. 2 is a schematic cross-sectional view of the inner tube assembly of the coring and centerless drilling no-pull crossover drilling tool of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
FIG. 5 is an enlarged view of the structure at C in FIG. 1;
the drilling tool comprises an outer pipe assembly 1, an inner pipe assembly 2, a spring clamping chamber 3, an outer pipe 4, a reamer 5, a torque transmission ring 6, an outer drill bit 7, a fishing spearhead 8, a spring clamping plate device 9, a single-action device 10, an inner pipe 11, a torque transmission short section 12, an inner drill bit 13, a rock core accommodating pipe 14, a clamp spring 15, a suspension ring 16, a seat ring 17 and a clamp spring seat 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a core drilling and centerless drilling conversion drilling tool without lifting a drill, so as to solve the problems in the prior art, complete the conversion of the core drilling tool and the centerless drilling tool without lifting the whole structure of the drilling tool out of the ground surface, and improve the drilling efficiency.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 5, fig. 1 is a schematic sectional view illustrating a core and centerless drilling conversion tool of the present invention, fig. 2 is a schematic sectional view illustrating an inner tube assembly of the core and centerless drilling conversion tool of the present invention, fig. 3 is an enlarged view illustrating a structure at a in fig. 1, fig. 4 is an enlarged view illustrating a structure at B in fig. 1, and fig. 5 is an enlarged view illustrating a structure at C in fig. 1.
The invention provides a core-taking and centerless drilling conversion drilling tool without lifting a drill, which comprises:
the outer pipe assembly 1, the outer pipe assembly 1 includes the drill rod crossover sub, bullet card room 3, outer pipe 4, reamer 5, pass the torsion ring 6 and outer bit 7, bullet card room 3 connects drill rod crossover sub and outer pipe 4, the outer pipe 4 still couples to reamer 5, the reamer 5 is fitted in passing the exterior of the torsion ring 6, the reamer 5 connects outer pipe 4 and outer bit 7;
the inner pipe assembly 2 comprises a fishing spear head 8, a spring clamping plate device 9, a single-action device 10, an inner pipe 11, a torque transmission short section 12, an inner drill bit 13, a rock core containing pipe 14 and a clamp spring 15, wherein the fishing spear head 8 can be connected with a fisher, the spring clamping plate device 9 can clamp the inner wall of a spring clamping chamber 3, the spring clamping plate device 9 is connected with the fishing spear head 8 and the single-action device 10, a suspension ring 16 is sleeved outside the fishing spear head 8, a seat ring 17 is arranged inside the outer pipe 4 and sleeved outside the suspension ring 16, the single-action device 10 is positioned between the inner pipe 11 and the rock core containing pipe 14, the single-action device 10 can realize the relative rotation of the inner pipe 11 and the rock core containing pipe 14, the inner pipe 11 is connected with the inner drill bit 13 through the torque transmission short section 12, the rock core containing pipe 14 is positioned inside the inner pipe 11, the clamp spring 15 is connected with the rock core containing pipe 14, the torque transmission short section 12 is meshed with the torque transmission short section 6, the clamp spring 15 is arranged inside the inner drill bit 13, and the clamp spring 15 is connected with the core accommodating pipe 14;
the outer pipe assembly 1 is sleeved outside the inner pipe assembly 2, the inner drill bit 13 extends out of the outer drill bit 7, and the outer pipe assembly 1 and the inner pipe assembly 2 are coaxially arranged.
The invention relates to a coring and centerless drilling non-lifting conversion drilling tool, which comprises an outer pipe assembly 1 and an inner pipe assembly 2, wherein the inner pipe assembly 2 comprises an inner pipe 11 and a core containing pipe 14, the core containing pipe 14 is arranged in the inner pipe 11, the core containing pipe 14 and the inner pipe 11 can keep relative rotation through a single-action device 10, the inner pipe 11 is connected with an inner drill bit 13, the inner pipe 11 is in transmission connection with an outer pipe 4 through a transmission and torsion nipple 12 and a transmission and torsion ring 6, the outer drill bit 7 is connected with the outer pipe 4, when coring drilling, a core enters the core containing pipe 14, the core is clamped through a clamp spring 15, the outer pipe 4, the outer drill bit 7, the inner pipe 11 and the inner drill bit 13 synchronously rotate, the core containing pipe 14 and the clamp spring 15 keep relative rest, and the core; when the operation state needs to be changed into the centerless drilling, the fishing spear head 8 is connected with the fisher, the fisher salvages the inner pipe assembly 2 out of the ground surface, the inner drill bit 13 is changed, the inner pipe assembly 2 is put into the outer pipe assembly 1, the whole structure of the drilling tool does not need to be lifted out of the ground surface, the conversion process of the drill bit can be completed, and the drilling work efficiency is improved.
The inner pipe assembly 2 further comprises a clamp spring seat 18, the clamp spring 15 is connected with the core accommodating pipe 14 through the clamp spring seat 18, and a clamp spring 15 retainer ring is arranged between the clamp spring seat 18 and the core accommodating pipe 14. The suspension ring 16 and the seat ring 17 are matched to keep a certain clearance between the clamp spring seat 18 in the inner pipe assembly 2 and the inner drill bit 13, so that the clamp spring seat 18 is prevented from being damaged, and the single action property and the water permeability of the inner pipe 11 are ensured.
Specifically, bullet cardboard device 9 is including salvaging body, elastic component and cardboard, and the elastic component links to each other with salvaging the body, and the cardboard is articulated with salvaging the body, and the cardboard can open and offset with the inner wall of bullet card room 3 under the pressure effect, and the cardboard can draw in under the pulling force effect of elastic component. In this embodiment, the elastic member is a spring, and the elastic plate device 9 further includes a spring sleeve, the elastic member is disposed in the spring sleeve, and the spring sleeve connects the fishing spear 8 and the fishing body. A hinge shaft is arranged on the spear fishing head 8, a long hole is formed in the clamping plate, the hinge shaft is hinged in the long hole, and the hinge shaft can reciprocate along the long axis direction of the long hole. The fisher is connected with the fishing spear head 8, when the inner pipe assembly 2 is lifted upwards, the hinge shaft moves to the upper end of the long hole, and the clamping plate is folded, so that the inner pipe assembly 2 can be smoothly lifted; when the inner pipe assembly 2 needs to be lowered, the clamping plate is expanded by a certain angle under the pressure action of the spring, and when the inner pipe assembly 2 is lowered to the elastic clamping chamber 3, the expansion angle of the clamping plate is increased and is abutted against the inner wall of the elastic clamping chamber 3, so that the inner pipe assembly 2 is prevented from moving upwards in the drilling process; in the lowering process of the inner pipe assembly 2, if the inner pipe assembly is obstructed, the mass of the drilling tool and the inertia of downward movement enable the clamping plate to be folded inwards, so that the inner pipe assembly 2 can pass through smoothly.
In addition, the torque transmission nipple 12 is detachably connected with the inner drill bit 13, so that the inner drill bit 13 can be conveniently replaced, and the time for replacing the drill bit is further saved.
In this concrete embodiment, the torque transmission nipple 12 is in threaded connection with the inner drill bit 13, and the thread fastening direction of the torque transmission nipple 12 and the inner drill bit 13 is the same as the rotation direction of the inner drill bit 13, so that the drill bit is prevented from loosening in the drilling process.
Further, the inner diameter of the outer drill bit 7 is 3-4mm larger than the outer diameter of the inner drill bit 13; the length of the inner drill bit 13 extending out of the outer drill bit 7 is 5-10 cm.
It should be noted that the single-acting device 10 of the present invention realizes the relative rotation of the inner tube and the core accommodating tube 14 by means of the thrust bearing and other support transmission components, and the coring and centerless drilling of the present invention do not lift the drilling tool to change the drilling tool to realize normal operation, and a valve for liquid circulation is provided, etc., because the drilling tool of the present invention does not relate to the improvement of the above structure, further description is omitted.
According to the conversion drilling tool for coring and centerless drilling without lifting the drill, the core accommodating tube 14 is arranged in the inner tube 11, the top of the core accommodating tube 14 is connected with the elastic clamping plate device 9 and the single-acting device 10, the bottom of the core accommodating tube 14 is connected with the snap spring 15, and the core accommodating tube 14 does not rotate to play a role in protecting the core during coring drilling; the inner pipe assembly 2 and the outer pipe assembly 1 are matched through a torque transmission nipple 12 and a torque transmission ring 6 to realize synchronous rotation, and the upper limit of the inner pipe 11 is realized through an elastic clamping plate device 9. When the drilling coring or the centerless drilling are converted, the inner pipe assembly 2 is salvaged to the ground surface by adopting the fishing tool for lowering the rope in the drill rod, the inner drill bit 13 is replaced, the inner pipe assembly 2 is thrown into the outer pipe assembly 1 through the inner cavity of the drill rod, the drill rod in the hole does not need to be lifted, the purpose of coring or centerless drilling conversion can be realized, the conversion time is saved, and the drilling work efficiency is improved.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. A coring and centerless drilling no-lift crossover drilling tool, comprising:
the outer pipe assembly comprises a drill rod conversion joint, an elastic clamping chamber, an outer pipe, a reamer, a torsion transmission ring and an outer drill bit, wherein the elastic clamping chamber is connected with the drill rod conversion joint and the outer pipe;
the inner pipe assembly comprises a spear fishing head, a bullet clamping plate device, a single-action device, an inner pipe, a torque coupling nipple, an inner drill bit, a rock core containing pipe and a snap spring, the spear fishing head can be connected with a fisher, the bullet clamping plate device can clamp the inner wall of a bullet clamping chamber, the bullet clamping plate device is connected with the spear fishing head and the single-action device, a suspension ring is sleeved outside the spear fishing head, a seat ring is arranged inside the outer pipe and sleeved outside the suspension ring, the single-action device is positioned between the inner pipe and the rock core containing pipe and can realize relative rotation of the inner pipe and the rock core containing pipe, the inner pipe is connected with the inner drill bit through the torque coupling nipple, the rock core containing pipe is positioned inside the inner pipe, the snap spring is connected with the rock core containing pipe, and the torque coupling nipple is in meshing transmission with the torque coupling ring, the torque transmission nipple is connected with the inner drill bit, the clamp spring is arranged inside the inner drill bit, and the clamp spring is connected with the core containing pipe;
the outer pipe assembly is sleeved outside the inner pipe assembly, the inner drill extends out of the outer drill, and the outer pipe assembly and the inner pipe assembly are coaxially arranged;
the elastic clamping plate device comprises a fishing body, an elastic part and a clamping plate, wherein the elastic part is connected with the fishing body, the clamping plate is hinged with the fishing body, the clamping plate can be opened under the action of pressure and is abutted against the inner wall of the elastic clamping chamber, and the clamping plate can be folded under the action of the tensile force of the elastic part;
the elastic piece is a spring, the elastic clamping plate device further comprises a spring sleeve, the elastic piece is arranged in the spring sleeve, and the spring sleeve is connected with the fishing spearhead and the fishing body;
the fishing spear head is provided with a hinge shaft, the clamping plate is provided with a long hole, the hinge shaft is hinged in the long hole, and the hinge shaft can move in a reciprocating manner along the long axis direction of the long hole.
2. The coring and centerless drilling no-lift crossover drilling tool of claim 1, wherein: the inner pipe assembly further comprises a clamp spring seat, the clamp spring is connected with the core containing pipe through the clamp spring seat, and a clamp spring retainer ring is arranged between the clamp spring seat and the core containing pipe.
3. The coring and centerless drilling no-lift crossover drilling tool of claim 1, wherein: the torque transmission short joint is detachably connected with the inner drill bit.
4. The coring and centerless drilling no-lift crossover drilling tool of claim 3, wherein: the torque transmission short joint is in threaded connection with the inner drill bit, and the thread fastening direction of the torque transmission short joint and the inner drill bit is the same as the rotation direction of the inner drill bit.
5. The coring and centerless drilling no-lift crossover drilling tool of claim 1, wherein: the inner diameter of the outer drill bit is 3-4mm larger than the outer diameter of the inner drill bit.
6. The coring and centerless drilling no-lift crossover drilling tool of claim 1, wherein: the length of the inner drill bit extending out of the outer drill bit is 5-10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524647.9A CN109372457B (en) | 2018-12-13 | 2018-12-13 | Core-taking and coreless drilling non-lifting conversion drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524647.9A CN109372457B (en) | 2018-12-13 | 2018-12-13 | Core-taking and coreless drilling non-lifting conversion drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109372457A CN109372457A (en) | 2019-02-22 |
| CN109372457B true CN109372457B (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811524647.9A Active CN109372457B (en) | 2018-12-13 | 2018-12-13 | Core-taking and coreless drilling non-lifting conversion drilling tool |
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| CN (1) | CN109372457B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500057B (en) * | 2019-07-22 | 2022-02-01 | 自然资源部第一海洋研究所 | Core drilling tool with internal spiral double tubes |
| CN114382432B (en) * | 2022-01-14 | 2023-06-23 | 中国地质科学院勘探技术研究所 | Hollow screw drilling tool assembly |
| CN114737884B (en) * | 2022-05-05 | 2023-02-28 | 吉林大学 | Coring salvageable reamer and using method thereof |
| CN114737904B (en) * | 2022-05-19 | 2023-07-18 | 中国地质科学院勘探技术研究所 | Rope coring near-bit measurement while drilling system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352671A (en) * | 2013-07-24 | 2013-10-16 | 李国民 | Rope core taking drill |
| CN107288565A (en) * | 2017-07-28 | 2017-10-24 | 中国地质科学院勘探技术研究所 | A kind of sea bed gas hydrate rock core coring drilling with keep up pressure drilling tool |
| CN207194856U (en) * | 2017-07-28 | 2018-04-06 | 中国地质科学院勘探技术研究所 | A kind of sea bed gas hydrate rock core coring drilling with keep up pressure drilling tool |
-
2018
- 2018-12-13 CN CN201811524647.9A patent/CN109372457B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352671A (en) * | 2013-07-24 | 2013-10-16 | 李国民 | Rope core taking drill |
| CN107288565A (en) * | 2017-07-28 | 2017-10-24 | 中国地质科学院勘探技术研究所 | A kind of sea bed gas hydrate rock core coring drilling with keep up pressure drilling tool |
| CN207194856U (en) * | 2017-07-28 | 2018-04-06 | 中国地质科学院勘探技术研究所 | A kind of sea bed gas hydrate rock core coring drilling with keep up pressure drilling tool |
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| CN109372457A (en) | 2019-02-22 |
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