CN220621778U - Corrosion-resistant aggravated drill rod - Google Patents
Corrosion-resistant aggravated drill rod Download PDFInfo
- Publication number
- CN220621778U CN220621778U CN202322411648.5U CN202322411648U CN220621778U CN 220621778 U CN220621778 U CN 220621778U CN 202322411648 U CN202322411648 U CN 202322411648U CN 220621778 U CN220621778 U CN 220621778U
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- China
- Prior art keywords
- rod
- drill rod
- drill
- spring
- sliding
- Prior art date
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- 238000005260 corrosion Methods 0.000 title claims abstract description 23
- 230000007797 corrosion Effects 0.000 title claims abstract description 17
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 12
- 239000011593 sulfur Substances 0.000 claims abstract description 12
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000872 buffer Substances 0.000 abstract description 9
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000013016 damping Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 11
- 230000006378 damage Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses an anti-corrosion aggravated drill rod, which relates to the technical field of drill rods, and comprises a drill bit and a drill rod, wherein a first spring is arranged in the drill rod, a second sliding block is arranged in the first spring, the second sliding block is arranged in a second sliding groove, gaskets are arranged on two sides of the second sliding block, the device is provided with a damping protection structure, when the drill bit and the drill rod collide with each other because of outside in the working process, the first spring drives the second sliding block to move in the sliding groove, the gaskets on two sides of the second sliding block move in the second sliding groove to effectively buffer the drill bit and the drill rod, meanwhile, the second spring can further buffer the drill rod, when the drill rod is extruded by external force, the moving plate is extruded inwards, and meanwhile, the air bag and the third spring are used for effectively buffering to prevent the drill rod from being damaged, and an anti-aging layer inside the drill rod can effectively prevent the drill rod from being damaged by sulfur corrosion through a sulfur-proof layer on the surface in the use process.
Description
Technical Field
The utility model relates to the technical field of drill pipes, in particular to an anti-corrosion aggravated drill pipe.
Background
The drill rod is a steel pipe with a thread at the tail part and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilling well, the drill rod is used for conveying drilling mud to a drill bit and lifting, lowering or rotating the bottom hole device together with the drill bit, the drill rod must be capable of bearing huge internal and external pressure, distortion, bending and vibration, and can be used for multiple times in the exploitation and refining process of oil gas, and the drill rod is divided into a square drill rod, a drill rod and a weighted drill rod. The connection sequence is kelly (1) +drill rods (n, determined by well depth) +weighted drill rods (n, determined by drilling tool assembly design), drill rods are needed in the drilling process of petroleum, natural gas, water sources and mineral reservoirs, the drill rods are connected through drill rod joints, in the normal rotation process, the drill rods bear the actions of internal and external pressure, axial force, bending moment and torque at the same time, however, the strength of the common drill rods is not high, after long-term use, failure accidents frequently occur in the drill rod joints, so that the drill rods become the main form of drill rod failure, and hydrogen stress cracking is a major hidden danger of safe drilling in the sulfur-containing environment, so that the design of a sulfur-resistant weighted drill rod is necessary, and the existing device has some defects; such as;
when the technology is used, the sulfur-resistant aggravated drill rod greatly reduces the content of sulfur, phosphorus and other harmful elements in alloy steel, has good corrosion resistance in an H2S environment, effectively improves the weight of the drill rod by arranging the thickened pipe body 4 at the middle position of the drill rod, has better integral anti-seismic performance, effectively improves the bending resistance of the drill rod, effectively improves the corrosion resistance of the joint of the threaded connector by arranging the first transition inclined plane and the second transition inclined plane, prevents corrosion fracture, effectively protects the connecting structure of adjacent drill rods by arranging the protective cover at the periphery of the internal threaded rod, forms a relatively sealed environment, reduces the corrosion of the joint of the drill rod, improves the connecting strength and further prolongs the service life;
the device has some problems, is troublesome to use, is inconvenient to detach, is only simple to thicken the pipe body, improves the bending resistance of the drill pipe, is inconvenient to use, has defects in corrosion resistance, is less in connection strength improvement, is poor in service life improvement effect, has defects in anti-seismic performance, is easy to corrode and break, and is poor in protection effect only by using the protection cover.
We have therefore proposed a corrosion resistant and aggravated drill pipe in order to solve the problems set out above.
Disclosure of Invention
The utility model aims to provide an anti-corrosion aggravated drill rod, which aims to solve the problems that the anti-corrosion aggravated drill rod has defects and poor protection effect in the anti-seismic performance in the current market, which are proposed by the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a corrosion-resistant aggravated drill rod comprises a drill bit and a drill rod. The novel anti-aging drill rod is characterized in that a first spring is arranged in the drill rod, a second sliding block is arranged in the first spring, the second sliding blocks are arranged in the second sliding grooves, gaskets are arranged on two sides of the second sliding blocks, a second spring is arranged in the drill rod, a cavity is formed in the drill rod, a third spring is arranged in the cavity and connected with the moving plate, an air bag is further arranged in the cavity of the drill rod, the drill rod is connected with a drill bit through a clamping connection structure, an anti-aging layer is arranged in the middle of the drill rod, and a sulfur-proof layer is arranged on the surface of the drill rod.
By adopting the technical scheme, the protection effect of the drill rod is better, and the installation and the disassembly are more convenient.
As a preferable technical scheme of the utility model, a clamping groove is formed in the drill rod, a first clamping block is arranged in the clamping groove and is connected with a first sliding block, the first sliding block is arranged on a sliding rod and is arranged in a first sliding groove, the first sliding block is connected with a second push rod, other first sliding blocks on the sliding rod are arranged in the clamping groove in a base body, and the sliding rod is arranged in a connecting body.
By adopting the technical scheme, the drill rod and the base body can be conveniently installed and detached.
As a preferable technical scheme of the utility model, the sliding rod is provided with a plurality of first sliding blocks, and the first sliding blocks are symmetrically arranged about the center of the sliding rod.
By adopting the technical scheme, a plurality of sliding blocks can be driven to move to different positions simultaneously.
As a preferable technical scheme of the utility model, the clamping connection structure comprises; the drill bit is internally provided with a groove, a first push rod is arranged in the groove, the first push rod is connected with a stop block, the stop block is clamped with a second clamping block, and the second clamping block is connected with a drill rod.
By adopting the technical scheme, the drill bit and the drill rod can be conveniently installed and detached.
As a preferable technical scheme of the utility model, the air bag is provided with an air inlet, a valve is arranged on the air inlet, and the air bag is symmetrically arranged about the center of the drill rod.
By adopting the technical scheme, the air in the air bag can be supplemented and replaced.
As the preferable technical scheme of the utility model, a plurality of third springs are arranged, the third springs are symmetrically arranged about the center of the drill rod, and the third springs are made of metal.
By adopting the technical scheme, the extrusion preventing effect of the drill rod is better.
Compared with the prior art, the utility model has the beneficial effects that:
1. the device is provided with shock attenuation protective structure, when drill bit and drilling rod produce the striking because the outside in the course of working, drive the second slider through first spring and remove in the spout, the gasket of second slider both sides removes in the second spout simultaneously, carry out effective buffering to drill bit and drilling rod, can further buffer through the second spring simultaneously, when the drilling rod suffered external force extrusion, the movable plate inwards extrudeed and effectively buffers through gasbag and third spring simultaneously and prevent the drilling rod damage, the inside anti-aging layer of drilling rod can effectively prevent that the drilling rod is ageing in the use, can prevent that the drilling rod from being corroded by sulfur and cause the damage through the sulfur-proof layer on surface.
2. The device is provided with quick mounting structure, take out drilling rod and connector at first, make the slide bar rotate through twisting, make first fixture block remove behind the draw-in groove position on base member and drilling rod surface respectively, press it into and make first fixture block and draw-in groove block, install drilling rod and base member back, take out the drill bit and aim at the second fixture block of drilling rod below with the draw-in groove of drill bit top slightly and press into hard, start the inside first push rod of drill bit simultaneously and drive the dog and shrink, when the card gets into the draw-in groove soon, start first push rod in the recess again and drive the dog and remove forward, make the dog carry out the block to the fixture block and make the drill bit install.
Drawings
FIG. 1 is a schematic view of the main section structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 1B according to the present utility model.
In the figure: 1. a base; 2. a drill bit; 3. a drill rod; 4. a connecting body; 5. a slide bar; 6. a first slider; 7. a first chute; 8. a first clamping block; 9. a first spring; 10. a second slider; 11. a second chute; 12. a gasket; 13. a second spring; 14. an air bag; 15. a third spring; 16. an anti-aging layer; 17. a sulfur-resistant layer; 18. a second clamping block; 19. a first push rod; 20. a stop block; 21. a moving plate; 22. and a second push rod.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an anti-corrosion aggravates drilling rod, including drill bit 2 and drilling rod 3, the inside draw-in groove that is provided with of drilling rod 3, and be provided with first fixture block 8 in the draw-in groove, and first fixture block 8 sets up and is connected with first slider 6, first slider 6 sets up on slide bar 5, and first slider 6 sets up in first spout 7, first slider 6 and second push rod 22 are connected, other first sliders 6 on slide bar 5 set up in the draw-in groove in base member 1, and slide bar 5 sets up in connector 4, be provided with a plurality of first sliders 6 on slide bar 5, and first slider 6 sets up about slide bar 5 central symmetry, at first take out drilling rod 3 and connector 4, after laminating drilling rod 3 qualification base member 1, drive first slider 6 through second push rod 22, make first fixture block 8 of first slider 6 drive front end of top move in first spout 7, make first fixture block 8 snap into make first fixture block 8 and draw-in groove block card after moving to the draw-in groove position of base member 1 and drilling rod 3 surface respectively, install after base member 1 and base member 1;
the drill rod 3 is provided with a first spring 9, a second slide block 10 is arranged in the first spring 9, the second slide block 10 is arranged in a second chute 11, gaskets 12 are arranged at two sides of the second slide block 10, the drill rod 3 is provided with a second spring 13, the drill rod 3 is provided with a cavity, the cavity is provided with a third spring 15, the third springs 15 are arranged in a plurality, the third springs 15 are symmetrically arranged about the center of the drill rod 3, the third springs 15 are made of metal, the third springs 15 are connected with a movable plate 21, an air bag 14 is also arranged in the cavity of the drill rod 3, the air bag 14 is provided with an air inlet, a valve is arranged on the air inlet, the air bag 14 is symmetrically arranged about the center of the drill rod 3, at this time, a valve on an air inlet on the surface of the drill rod 3 is opened to inflate the air bag 14 until the air bag 14 is full, then the valve is stopped to be closed, at this time, the drill rod 3 and the drill bit 2 are started to work, in the working process, when the drill bit 2 and the drill rod 3 collide, the first spring 9 drives the second slide block 10 to move in the sliding groove, meanwhile, gaskets 12 on two sides of the second slide block 10 move in the second sliding groove 11 to effectively buffer the drill bit 2 and the drill rod 3, meanwhile, the second spring 13 can further buffer the drill rod 3, and when the drill rod 3 is extruded by external force, the moving plate 21 is extruded inwards, and meanwhile, the air bag 14 and the third spring 15 effectively buffer the drill rod 3 to prevent the damage of the drill rod 3;
the drill rod 3 is connected with the drill bit 2 through a clamping connection structure, an anti-aging layer 16 is arranged in the middle of the drill rod 3, and an anti-sulfur layer 17 is arranged on the surface of the drill rod 3; the inside recess that is provided with of drill bit 2, and be provided with first push rod 19 in the recess, and first push rod 19 and dog 20 are connected, dog 20 and second fixture block 18 block, and second fixture block 18 and drilling rod 3 are connected, take out the drill bit 2 and aim at the second fixture block 18 of drilling rod 3 below with the draw-in groove of drill bit 2 top and press into slightly hard, start the inside first push rod 19 of drill bit 2 simultaneously and drive dog 20 and shrink, when the card gets into the draw-in groove, first push rod 19 in the restart recess drives dog 20 and moves forward, make dog 20 block make the drilling bit 2 install to the fixture block, inside anti-aging layer 16 of drilling rod 3 can effectively prevent drilling rod 3 ageing, anti-sulfur layer 17 through the surface can prevent that drilling rod 3 from being corroded by sulfur and causing the damage in the use.
Working principle: when the corrosion-resistant weighting drill rod is used, firstly, the drill rod 3 and the connector 4 are taken out, the qualified base body 1 of the drill rod 3 is attached, the first sliding block 6 is driven to move through the second push rod 22, the first sliding block 8 at the front end is driven by the first sliding block 6 above to move in the first sliding groove 7, the first clamping block 8 is respectively moved to the clamping groove positions on the surfaces of the base body 1 and the drill rod 3, then the clamping grooves are clamped, the first clamping block 8 and the clamping grooves are clamped, the drill rod 3 and the base body 1 are installed, after the drill bit 2 is taken out, the clamping groove above the drill bit 2 is aligned with the second clamping block 18 below the drill rod 3 and is slightly pressed in with force, meanwhile, the first push rod 19 inside the drill bit 2 is started to drive the stop block 20 to shrink, when the clamping is fast entered into the clamping groove, the first push rod 19 in the groove is started again to drive the stop block 20 to move forwards, the check block 20 is used for clamping the clamping blocks to enable the drill bit 2 to be installed, at the moment, a valve on an air inlet on the surface of the drill rod 3 is opened to inflate the air bag 14, the valve is closed until the air bag 14 is full, at the moment, the drill rod 3 and the drill bit 2 are started to work, in the working process, when the drill bit 2 and the drill rod 3 collide, the first spring 9 drives the second sliding block 10 to move in the sliding groove, meanwhile, the gaskets 12 on two sides of the second sliding block 10 move in the second sliding groove 11 to effectively buffer the drill bit 2 and the drill rod 3, meanwhile, the second spring 13 can further buffer the drill rod 3, when the drill rod 3 is extruded by external force, the moving plate 21 is extruded inwards, meanwhile, the air bag 14 and the third spring 15 are used for effectively buffering to prevent the drill rod 3 from being damaged, the anti-aging layer 16 in the drill rod 3 can effectively prevent the drill rod 3 from aging in the use process, damage to the drill rod 3 caused by corrosion by sulfur is prevented by the sulfur-protective layer 17 on the surface.
To complete a series of work, and what is not described in detail in this specification is prior art that is well known to those skilled in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. An anti-corrosion aggravated drill rod comprises a drill bit (2) and a drill rod (3);
the method is characterized in that:
a first spring (9) is arranged in the drill rod (3), a second sliding block (10) is arranged in the first spring (9), the second sliding block (10) is arranged in a second sliding groove (11), gaskets (12) are arranged on two sides of the second sliding block (10), a second spring (13) is arranged in the drill rod (3), a cavity is formed in the drill rod (3), a third spring (15) is arranged in the cavity, the third spring (15) is connected with a movable plate (21), and an air bag (14) is further arranged in the cavity of the drill rod (3);
the drill rod (3) is connected with the drill bit (2) through a clamping connection structure, an anti-aging layer (16) is arranged in the middle of the drill rod (3), and an anti-sulfur layer (17) is arranged on the surface of the drill rod (3).
2. The corrosion-resistant aggravated drilling rod according to claim 1, characterized in that the drilling rod (3) is internally provided with a clamping groove, a first clamping block (8) is arranged in the clamping groove, the first clamping block (8) is connected with a first sliding block (6), the first sliding block (6) is arranged on a sliding rod (5), the first sliding block (6) is arranged in a first sliding groove (7), the first sliding block (6) is connected with a second pushing rod (22), other first sliding blocks (6) on the sliding rod (5) are arranged in the clamping groove in the base body (1), and the sliding rod (5) is arranged in the connecting body (4).
3. The corrosion-resistant and aggravated drilling rod according to claim 2, characterized in that the slide rod (5) is provided with a plurality of first slide blocks (6), and that the first slide blocks (6) are arranged symmetrically with respect to the center of the slide rod (5).
4. The corrosion-resistant, aggravated drill pipe of claim 1, wherein the snap-fit connection comprises; the drill bit (2) is internally provided with a groove, a first push rod (19) is arranged in the groove, the first push rod (19) is connected with a stop block (20), the stop block (20) is clamped with a second clamping block (18), and the second clamping block (18) is connected with a drill rod (3).
5. The corrosion-resistant and aggravated drill rod according to claim 1, characterized in that the air-bag (14) is provided with an air inlet, and that the air inlet is provided with a valve, and that the air-bag (14) is arranged symmetrically with respect to the centre of the drill rod (3).
6. The corrosion-resistant and aggravated drilling rod according to claim 1, characterized in that the third springs (15) are provided in plurality, and that the third springs (15) are arranged symmetrically with respect to the centre of the drilling rod (3), and that the third springs (15) are made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411648.5U CN220621778U (en) | 2023-09-06 | 2023-09-06 | Corrosion-resistant aggravated drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411648.5U CN220621778U (en) | 2023-09-06 | 2023-09-06 | Corrosion-resistant aggravated drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220621778U true CN220621778U (en) | 2024-03-19 |
Family
ID=90216628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322411648.5U Active CN220621778U (en) | 2023-09-06 | 2023-09-06 | Corrosion-resistant aggravated drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220621778U (en) |
-
2023
- 2023-09-06 CN CN202322411648.5U patent/CN220621778U/en active Active
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