CN220890150U - Drilling jar for petroleum drilling - Google Patents
Drilling jar for petroleum drilling Download PDFInfo
- Publication number
- CN220890150U CN220890150U CN202322946834.9U CN202322946834U CN220890150U CN 220890150 U CN220890150 U CN 220890150U CN 202322946834 U CN202322946834 U CN 202322946834U CN 220890150 U CN220890150 U CN 220890150U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- spring
- outer tube
- swing joint
- drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 239000003208 petroleum Substances 0.000 title abstract description 8
- 230000035939 shock Effects 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000012876 topography Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model relates to the technical field of petroleum drilling tools and discloses a drilling jar for petroleum drilling, which comprises an outer tube, wherein the top of the inner surface of the outer tube is fixedly connected with a first check ring, the inner surface of the outer tube is fixedly connected with a second check ring, the bottom of the inner surface of the outer tube is provided with a damping chamber, the top of the outer surface of the outer tube is movably connected with an arc-shaped sheet, two sides of the outer surface of the arc-shaped sheet are fixedly connected with connecting sheets, the inner surface of the outer tube is movably connected with a jar rod, the middle of the outer surface of the jar rod is movably connected with a first spring, the bottom of the inner surface of the jar rod is movably connected with a connecting rod, the bottom of the outer surface of the connecting rod is movably connected with a fixing rod, and the front of the bottom of the fixing rod is fixedly connected with a jar head, so that the stability of the device is improved, the maintenance cost of the device is reduced, the running time of the device is prolonged, and the failure rate of the device is reduced.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling tools, in particular to a drilling jar for petroleum drilling.
Background
In the overload of drilling, due to the reasons of longer drilling tool assembly, complex structure of land owner, improper technical measures and the like, the drilling tool is unavoidable to be stuck in the drilling process, and the sticking point is loosened by using the strong upward or downward impact force of the jar on the sticking point, so that the purpose of releasing the sticking can be achieved; the drill sticking accident is long in time consumption, the drilling jars combined in the drilling tool are commonly adopted at present, and when the drilling tool is stuck, the drilling jars can be quickly started to shock upwards or downwards, so that the purpose of quickly releasing the drill sticking is achieved.
When the existing drilling jars meet the drilling sticking, the jarring rod vibrates downwards, and part of the instruments exposed on the bottom edge are subjected to severe vibration, so that the devices are easy to break down, the engineering progress is affected, and the maintenance cost is increased; during operation of the shock rod, the equipment is subjected to severe vibration, resulting in the equipment not being able to operate for long periods of time and often causing damage and failure of the mechanical structure.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a drilling jar for petroleum drilling, which aims to solve the problems in the prior art.
The utility model provides the following technical scheme: the utility model provides a drilling jar for oil drilling, includes the outer tube, the top fixedly connected with first retaining ring of outer tube internal surface, the internal surface fixedly connected with second retaining ring of outer tube, the shock attenuation room has been seted up to the bottom of outer tube internal surface, the top swing joint of outer tube surface has the arc piece, arc piece surface both sides fixedly connected with connection piece, the internal surface swing joint of outer tube has the jar pole, the middle part swing joint of jar pole surface has first spring, the bottom swing joint of jar pole internal surface has the connecting rod, the bottom swing joint of connecting rod surface has the dead lever, the front fixedly connected with jar head of dead lever bottom;
Further, one side fixedly connected with arc piece of connection piece, the fixed orifices has been seted up to one side of connection piece, the internal surface swing joint of fixed orifices has the bolt, one side swing joint of bolt surface has the nut, the opposite side swing joint of nut has the connection piece, the positive fixedly connected with connecting block of connection piece surface.
Further, the both sides fixedly connected with fixed pin of connecting block, the internal surface swing joint of connecting block has the square, the round hole has been seted up to the both sides of square, the internal surface swing joint of round hole has the fixed pin, the first bracing piece of front fixedly connected with of square bottom, the internal thread has been seted up to the internal surface of first bracing piece, the internal surface swing joint of first bracing piece has the second bracing piece, the top fixedly connected with external screw thread of second bracing piece surface, the positive fixedly connected with base of second bracing piece bottom.
Further, the surface swing joint of jar pole has the outer tube, the top fixedly connected with separation blade of jar pole surface, the positive fixedly connected with first spring of separation blade bottom, the positive swing joint of first spring bottom has the second retaining ring, the positive swing joint at separation blade top has first retaining ring.
Further, the front fixedly connected with second spring at connecting rod top, the front fixedly connected with jar internal surface at second spring top, the front fixedly connected with third spring of connecting rod bottom, the front fixedly connected with dead lever's of third spring bottom internal surface.
Further, the both sides fixedly connected with stopper of dead lever surface, the positive fixedly connected with fourth spring at stopper top, so the positive fixedly connected with fifth spring of stopper bottom, the outer wall swing joint of stopper has the shock attenuation room, the top fixedly connected with fourth spring of shock attenuation indoor surface, the bottom fixedly connected with shock attenuation room of fifth spring.
The utility model has the technical effects and advantages that:
1. According to the utility model, the arc-shaped sheets are attached to the outer tube, the bolts penetrate through the fixing holes to fix every two adjacent connecting sheets by using the nuts, so that the outer tube can be surrounded and fixed by using the arc-shaped sheets, the square sheets move in the connecting blocks through the fixing pins when the first support rods are unfolded, the second support rods are aligned to the inner surfaces of the first support rods and rotate after the first support rods are unfolded to the maximum range, and the heights of the second support rods and the ground can be flexibly adjusted according to the heights of the topography due to the external threads, so that the stability of the device is improved, and the maintenance cost of equipment is reduced.
2. According to the utility model, through the arrangement of the first check ring and the second check ring, the first spring is stressed and compressed, the connecting rod is stressed by the second spring and the third spring so as to reduce the rotation amplitude of the shock rod and the fixed rod, at the moment, the limiting block moves in the damping chamber, and the fourth spring and the fifth spring are stressed and compressed to reduce the pressure brought by vibration for the fixed rod, so that the running time of equipment is improved, and the failure rate of the equipment is reduced.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the structure of the arc-shaped sheet of the present utility model.
Fig. 3 is a schematic view of the structure of the support rod according to the present utility model.
Fig. 4 is a schematic cross-sectional view of an outer tube according to the present utility model.
Fig. 5 is a schematic view of the structure of the impact rod of the present utility model.
The reference numerals are: 1. an outer tube; 101. a first retainer ring; 102. the second check ring; 103. a damping chamber; 2. an arc-shaped sheet; 201. a connecting sheet; 2011. a fixing hole; 202. a bolt; 203. a nut; 204. a connecting block; 205. a fixing pin; 206. square pieces; 2061. a round hole; 207. a first support bar; 208. a second support bar; 2081. an external thread; 209. a base; 3. a jar rod; 301. a first spring; 302. a baffle; 4. a connecting rod; 401. a second spring; 402. a third spring; 5. a fixed rod; 501. a limiting block; 502. a fourth spring; 503. a fifth spring; 6. a jar head.
Detailed Description
The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but is intended to cover all other embodiments of the present utility model without inventive faculty.
Referring to fig. 1-5, the utility model provides a drilling jar for petroleum drilling, which comprises an outer tube 1, wherein the top of the inner surface of the outer tube 1 is fixedly connected with a first check ring 101, the inner surface of the outer tube 1 is fixedly connected with a second check ring 102, the bottom of the inner surface of the outer tube 1 is provided with a damping chamber 103, the top of the outer surface of the outer tube 1 is movably connected with an arc-shaped sheet 2, two sides of the outer surface of the arc-shaped sheet 2 are fixedly connected with connecting sheets 201, the inner surface of the outer tube 1 is movably connected with a shock rod 3, the middle of the outer surface of the shock rod 3 is movably connected with a first spring 301, the bottom of the inner surface of the shock rod 3 is movably connected with a connecting rod 4, the bottom of the outer surface of the connecting rod 4 is movably connected with a fixing rod 5, and the front of the bottom of the fixing rod 5 is fixedly connected with a shock head 6.
In a preferred embodiment, one side of the connecting piece 201 is fixedly connected with the arc-shaped piece 2, one side of the connecting piece 201 is provided with a fixing hole 2011, the inner surface of the fixing hole 2011 is movably connected with a bolt 202, one side of the outer surface of the bolt 202 is movably connected with a nut 203, the other side of the nut 203 is movably connected with the connecting piece 201, and the front surface of the outer surface of the connecting piece 201 is fixedly connected with a connecting block 204.
In a preferred embodiment, fixing pins 205 are fixedly connected to two sides of the connection block 204, a square sheet 206 is movably connected to an inner surface of the connection block 204, round holes 2061 are formed in two sides of the square sheet 206, the fixing pins 205 are movably connected to an inner surface of the round holes 2061, a first support rod 207 is fixedly connected to a front surface of the bottom of the square sheet 206, internal threads are formed on an inner surface of the first support rod 207, a second support rod 208 is movably connected to an inner surface of the first support rod 207, external threads 2081 are fixedly connected to the top of the outer surface of the second support rod 208, and a base 209 is fixedly connected to a front surface of the bottom of the second support rod 208.
In a preferred embodiment, the outer tube 1 is movably connected to the outer surface of the shock rod 3, the baffle 302 is fixedly connected to the top of the outer surface of the shock rod 3, the first spring 301 is fixedly connected to the front surface of the bottom of the baffle 302, the second retainer ring 102 is movably connected to the front surface of the bottom of the first spring 301, and the first retainer ring 101 is movably connected to the front surface of the top of the baffle 302.
In a preferred embodiment, the front surface of the top of the connecting rod 4 is fixedly connected with the second spring 401, the front surface of the top of the second spring 401 is fixedly connected with the inner surface of the shock rod 3, the front surface of the bottom of the connecting rod 4 is fixedly connected with the third spring 402, and the front surface of the bottom of the third spring 402 is fixedly connected with the inner surface of the fixed rod 5.
In a preferred embodiment, two sides of the outer surface of the fixing rod 5 are fixedly connected with a limiting block 501, the front surface of the top of the limiting block 501 is fixedly connected with a fourth spring 502, so the front surface of the bottom of the limiting block 501 is fixedly connected with a fifth spring 503, the outer wall of the limiting block 501 is movably connected with a damping chamber 103, the top of the inner surface of the damping chamber 103 is fixedly connected with the fourth spring 502, and the bottom of the fifth spring 503 is fixedly connected with the damping chamber 103.
The working principle of the utility model is as follows: the arc-shaped pieces 2 are attached to the outer tube 1, the bolts 202 penetrate through the fixing holes 2011, every two adjacent connecting pieces 201 are fixed by using the nuts 203, so that the outer tube 1 can be surrounded and fixed by using the arc-shaped pieces 2, the square piece 206 moves in the connecting block 204 through the fixing pins 205 when the first supporting rods 207 are unfolded, the second supporting rods 208 are aligned to the inner surface of the first supporting rods 207 and then rotate after the first supporting rods 207 are unfolded to the maximum range, and the heights of the second supporting rods 208 and the ground can be flexibly adjusted according to the height of the topography due to the external threads 2081, so that the stability of the device is improved, and the maintenance cost of equipment is reduced; when the shock rod 3 vibrates up and down, the first spring 301 is stressed and compressed through the arrangement of the first check ring 101 and the second check ring 102, the connecting rod 4 is stressed by the second spring 401 and the third spring 402 to reduce the rotation amplitude of the shock rod 3 and the fixed rod 5, at the moment, the limiting block 501 moves in the damping chamber 103, and the fourth spring 502 and the fifth spring 503 are stressed and compressed to reduce the pressure caused by vibration for the fixed rod 5, so that the running time of equipment is improved, and the failure rate of the equipment is reduced.
Claims (6)
1. A drilling jar for oil drilling comprising an outer tube (1), characterized in that: the shock absorber comprises an outer tube (1), a first check ring (101) is fixedly connected to the top of the inner surface of the outer tube (1), a second check ring (102) is fixedly connected to the inner surface of the outer tube (1), a shock absorbing chamber (103) is formed in the bottom of the inner surface of the outer tube (1), an arc-shaped sheet (2) is movably connected to the top of the outer surface of the outer tube (1), connecting sheets (201) are fixedly connected to two sides of the outer surface of the arc-shaped sheet (2), a shock rod (3) is movably connected to the inner surface of the outer tube (1), a first spring (301) is movably connected to the middle of the outer surface of the shock rod (3), a connecting rod (4) is movably connected to the bottom of the inner surface of the shock rod (3), a fixing rod (5) is movably connected to the bottom of the outer surface of the connecting rod (4), and a shock head (6) is fixedly connected to the front surface of the bottom of the fixing rod (5).
2. A jarring while drilling for oil drilling according to claim 1 wherein: one side fixedly connected with arc piece (2) of connection piece (201), fixed orifices (2011) have been seted up to one side of connection piece (201), the internal surface swing joint of fixed orifices (2011) has bolt (202), one side swing joint of bolt (202) surface has nut (203), the opposite side swing joint of nut (203) has connection piece (201), the front fixedly connected with connecting block (204) of connection piece (201) surface.
3. A jarring while drilling for oil drilling according to claim 2 wherein: the utility model discloses a square sheet welding machine, including connecting block (204), fixed pin (205) are fixedly connected with in both sides of connecting block (204), internal surface swing joint of connecting block (204) has square sheet (206), round hole (2061) are seted up to both sides of square sheet (206), internal surface swing joint of round hole (2061) has fixed pin (205), the positive fixedly connected with first bracing piece (207) of square sheet (206) bottom, the internal thread has been seted up to the internal surface of first bracing piece (207), the internal surface swing joint of first bracing piece (207) has second bracing piece (208), the top fixedly connected with external screw thread (2081) of second bracing piece (208) surface, the positive fixedly connected with base (209) of second bracing piece (208) bottom.
4. A jarring while drilling for oil drilling according to claim 1 wherein: the outer surface swing joint of jar pole (3) has outer tube (1), the top fixedly connected with separation blade (302) of jar pole (3) surface, the front fixedly connected with first spring (301) of separation blade (302) bottom, the front swing joint of first spring (301) bottom has second retaining ring (102), the front swing joint at separation blade (302) top has first retaining ring (101).
5. A jarring while drilling for oil drilling according to claim 1 wherein: the front fixedly connected with second spring (401) at connecting rod (4) top, the internal surface of front fixedly connected with jar pole (3) at second spring (401) top, the front fixedly connected with third spring (402) of connecting rod (4) bottom, the internal surface of front fixedly connected with dead lever (5) of third spring (402) bottom.
6. A jarring while drilling for oil drilling according to claim 1 wherein: the utility model discloses a shock attenuation room, including dead lever (5) and fixed lever, both sides fixedly connected with stopper (501) of dead lever (5) surface, the positive fixedly connected with fourth spring (502) at stopper (501) top, so the positive fixedly connected with fifth spring (503) of stopper (501) bottom, the outer wall swing joint of stopper (501) has shock attenuation room (103), the top fixedly connected with fourth spring (502) of shock attenuation room (103) internal surface, the bottom fixedly connected with shock attenuation room (103) of fifth spring (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322946834.9U CN220890150U (en) | 2023-10-31 | 2023-10-31 | Drilling jar for petroleum drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322946834.9U CN220890150U (en) | 2023-10-31 | 2023-10-31 | Drilling jar for petroleum drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890150U true CN220890150U (en) | 2024-05-03 |
Family
ID=90873498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322946834.9U Active CN220890150U (en) | 2023-10-31 | 2023-10-31 | Drilling jar for petroleum drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890150U (en) |
-
2023
- 2023-10-31 CN CN202322946834.9U patent/CN220890150U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |