CN212406682U - Combined scraping type impact drifting tool applied to water injection well - Google Patents
Combined scraping type impact drifting tool applied to water injection well Download PDFInfo
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- CN212406682U CN212406682U CN202021144092.8U CN202021144092U CN212406682U CN 212406682 U CN212406682 U CN 212406682U CN 202021144092 U CN202021144092 U CN 202021144092U CN 212406682 U CN212406682 U CN 212406682U
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Abstract
The utility model provides a be applied to combination scraping formula of water injection well and strike drifting instrument relates to petroleum machinery technical field, the top of main part (1) is connected with rope socket (2), the lower part is equipped with strikes body (3), be connected with connecting cylinder (4) between main part (1) and rope socket (2), strike body (3) for the column body, the lower extreme of striking body (3) is equipped with percussion bit (5), it is equipped with spiral chute (6) to strike body (3) around the outer wall, the upper end of striking body (3) is equipped with slider (7), strike body (3) and arrange main part (1) and last connecting cylinder (4) in, slider (7) of its upper end are located connecting cylinder (4), the lower extreme of main part (1) is equipped with and stretches into in spiral chute (6) of striking body (3) and with its complex guide pin (8). The automatic feeding device has the advantages of simplicity, practicality, low manufacturing cost, simplicity in operation, safety and reliability, and can save working time, improve working efficiency and reduce labor intensity.
Description
Technical Field
The utility model relates to a petroleum machinery technical field, concretely relates to meet novel unfreezing instrument of card preparation to instrument in water injection well.
Background
At present, in various oil field test systems in China, a drifting tool is used for dredging a pipe column and is one of the most common tools in production work. The conventional pigging tool is widely applied to the test of the layered water injection well, and the common problems of the conventional pigging tool are that cylindrical tungsten steel is weighted, a flat shovel type pigging tool, a conical pigging tool, a barb type pigging tool and the like are distinguished only in appearance shape and material, and the function is weaker. Aiming at certain blocking situations, the effect of impact puncture cannot be achieved, and the blockage cannot be dredged and led out. When the traditional drifting tool is seriously shocked repeatedly when an instrument meets a card, the problems of non-homing, shock failure, easy pulling-off of a joint and an oscillator outer sleeve and the like easily occur.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: in view of the above problems, a combined scraping type impact drifting tool applied to a water injection well is provided.
The technical solution of the utility model is that: a combined scraping type impact drifting tool applied to a water injection well comprises a main body, a rope cap used for connecting a rope is connected above the main body, an impact body is arranged at the lower part of the main body, the main body is a tubular body, an upper connecting cylinder with the inner diameter larger than that of the main body is connected between the main body and the rope cap, the impact body is a columnar body, the lower end of the impact body is provided with an impact drill bit, the impact body is provided with a spiral slideway groove around the outer wall, the upper end of the impact body is provided with a slide block with the outer diameter larger than the inner diameter of the main body, the impact body is arranged in the main body and the upper connecting cylinder, the slide block at the upper end is positioned in the upper connecting cylinder and is blocked by the upper end of the main body, the slide block can only slide in the upper connecting cylinder, the lower end of the main body is provided with a guide pin which extends into the spiral chute groove of the impact body and is matched with the spiral chute groove, when the impact body moves up and down along the main body, under the action of the spiral slideway slot and the guide pin, the impact body drives the impact drill bit at the lower end to rotate.
The technical effects of the utility model are that: the automatic feeding device has the advantages of simplicity, practicality, low manufacturing cost, simplicity in operation, safety and reliability, and can save working time, improve working efficiency and reduce labor intensity. Compared with the prior art, the vibration time is averagely shortened by 30 minutes, and the efficiency is improved by 10 times. Can reduce the operation accidents caused by the separation of the joint and the jacket due to the pulling force. The problem of serious instrument meet the stuck well salvage difficult, traditional instrument easily atress pull out to damage and cause unable processing, lead to secondary operation accident has effectively been solved. The effective success rate of releasing the card reaches more than 93 percent. After the oil field is popularized, the calculation of 300 stuck wells can be solved according to the year of the oil field, and the fund can be saved by 900 ten thousand yuan.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the wiper blade portion of the present invention.
Detailed Description
As shown in fig. 1 or 2, a combined scraping type impact drifting tool applied to a water injection well comprises a main body 1, a rope cap 2 for connecting a rope is connected to the upper portion of the main body 1, an impact body 3 is arranged on the lower portion of the main body 1, the main body 1 is a tubular body, an upper connecting cylinder 4 with an inner diameter larger than that of the main body 1 is connected between the main body 1 and the rope cap 2, the impact body 3 is a columnar body, an impact drill bit 5 is arranged at the lower end of the impact body 3, a spiral chute 6 is arranged on the outer wall of the impact body 3 in a surrounding mode, a sliding block 7 with an outer diameter larger than that of the main body 1 is arranged at the upper end of the impact body 3, the impact body 3 is arranged in the main body 1 and the upper connecting cylinder 4, the sliding block 7 at the upper end of the impact body is positioned in the upper connecting cylinder 4 and blocked by the upper end of the main body 1, the sliding block 7 can only slide, when the impact body 3 moves up and down along the main body 1, the impact body 3 drives the impact drill bit 5 at the lower end to rotate under the matching action of the spiral slideway 6 and the guide pin 8.
The main body 1 is composed of an inner cylinder 9 and an outer cylinder 10, the inner cylinder 9 is provided with a spiral chute 6 around the outer wall, the main body 1 is connected with an upper connecting cylinder 4 through the inner cylinder 9, the outer cylinder 10 is sleeved outside the inner cylinder 9, the cylinder wall of the outer cylinder 10 is provided with a section of vertical chute 11, a sliding pin 12 is arranged in the vertical chute 11 and fixed on the inner cylinder 9, so that the outer cylinder 10 can only move in the limited range of the sliding pin 12 and the vertical chute 11, the cylinder wall of the outer cylinder 10 is tangentially provided with a plurality of scraper grooves 13 and is internally provided with a disc-shaped scraper 14, the scraper 14 is provided with a pin 15 extending into the spiral chute 6 of the inner cylinder 9, when the outer cylinder 10 moves up and down along the inner cylinder 9, the scraper 14 can transversely extend and retract along the scraper grooves 13 by the driving of the spiral chute 6, a guide section 16 is arranged above the upper connecting cylinder 4, the side wall of the, the two ends of the spiral guide body 18 and the spiral groove 17 are respectively provided with a clamping table 19 and a blocking brim 20 which are matched with each other to prevent the spiral guide body 18 from falling off from the spiral groove 17, the spiral guide body 18 is propped against the bottom wall of the spiral groove 17 through a spring 21 to enable the spiral guide body 18 to obtain outward extending force, and the guide section 16 is rotatably connected to the rope cap 2. In operation, the spiral guide body 18 extends to contact with the well wall, and the main body 1 obtains rotary power in the well dredging process, so that the extending scraping blade 14 is driven to scrape the well wall.
The guide section 16 is a split structure consisting of an upper part, a middle part and a lower part, the spiral groove 17 is arranged on the middle part, the blocking eaves 20 are respectively arranged on the upper part and the lower part, and the three parts are connected through screw connection.
The guide section 16 is connected to the cable cap 2 via a bearing 22.
The guide section 16 is at least two sections.
The slider 7 is screwed to the upper end of the impact body 3.
The number of the spiral slideway grooves 6 on the outer wall of the impact body 3 is two, and the two spiral slideway grooves are symmetrically arranged on the outer wall of the impact body 3.
The number of the spiral slideway grooves 6 on the outer wall of the inner cylinder 9 is two, and the two spiral slideway grooves are symmetrically arranged on the outer wall of the inner cylinder 9.
The application conditions are as follows: and (4) injecting the well in layers, and fishing the underground instrument and tools and dredging and cleaning the inner diameters of the underground pipe column, the water distributor and the packer.
The implementation steps are as follows:
(1) and the steel wire is connected with a well descending steel wire through a rope cap and then is put into the well and is lowered to the position where the pipe column is blocked. The tool is lifted by 10 meters to ensure enough impact stroke and fall, and when the drill bit is blocked, the main body above the tool descends to drive the drill bit to rotate through the spiral groove so as to achieve the purpose of drilling through the barrier. The blocking objects are crushed and dredged by utilizing the repeated impact drilling of the bottom impact drill bit, so that the blocking position at the lower part of the pipe column is dredged.
(2) The device can repeatedly lift and fall at the position where an instrument and a tool can pass but has a blocking feeling, the drill bit and the main body are blocked to drive the scraping blade to extend, and the scraping blade at the top is utilized to comb and clear the scaling body attached to the pipe column.
(3) And (5) finishing the dredging action, lifting the instrument to take out the wellhead, carrying out quick rotation lifting and dismounting, and finishing the dredging and cleaning work.
The powerful oscillator utilizes the impact stroke, and the upper part of the bottom of the powerful oscillator is stretched by the testing winch with large force to form upward powerful oscillation force, so that the function of quickly releasing the card is realized.
Claims (8)
1. A combined scraping type impact drifting tool applied to a water injection well comprises a main body (1), wherein a rope cap (2) used for connecting a rope is connected to the upper portion of the main body (1), an impact body (3) is arranged on the lower portion of the main body (1), the main body (1) is a tubular body, an upper connecting cylinder (4) with the inner diameter larger than that of the main body (1) is connected between the main body (1) and the rope cap (2), the impact body (3) is a columnar body, an impact drill bit (5) is arranged at the lower end of the impact body (3), a spiral slideway groove (6) is arranged around the outer wall of the impact body (3), a sliding block (7) with the outer diameter larger than that of the main body (1) is arranged at the upper end of the impact body (3), the impact body (3) is arranged in the main body (1) and the upper connecting cylinder (4), the sliding block (7) at the upper end of the upper end, the sliding block (7) can only slide in the upper connecting cylinder (4), the lower end of the main body (1) is provided with a guide pin (8) which extends into the spiral slideway groove (6) of the impact body (3) and is matched with the spiral slideway groove, and when the impact body (3) moves up and down along the main body (1), the impact body (3) drives the impact drill bit (5) at the lower end to rotate under the matching action of the spiral slideway groove (6) and the guide pin (8).
2. The combined scraping type impact drifting tool applied to the water injection well is characterized in that the main body (1) is composed of an inner cylinder (9) and an outer cylinder (10), the inner cylinder (9) is provided with a spiral chute groove (6) around the outer wall, the main body (1) is connected with the upper connecting cylinder (4) through the inner cylinder (9), the outer cylinder (10) is sleeved outside the inner cylinder (9), a section of vertical chute (11) is formed in the cylinder wall of the outer cylinder (10), a sliding pin (12) is arranged in the vertical chute (11) and fixed on the inner cylinder (9), so that the outer cylinder (10) can only move within the limited range of the sliding pin (12) and the vertical chute (11), a plurality of scraping piece grooves (13) are formed in the cylinder wall of the outer cylinder (10) in a cutting mode and are provided with disc-shaped scraping pieces (14) in the grooves, and pins (15) extending into the spiral chute groove (6) of the inner cylinder (9) are arranged on the scraping pieces, when the outer cylinder (10) moves up and down along the inner cylinder (9), a scraping blade (14) can be transversely stretched along a scraping blade groove (13) by driving of the spiral slideway groove (6), a guide section (16) is arranged above the upper connecting cylinder (4), a spiral groove (17) is formed in the side wall of the guide section (16), a spiral guide body (18) is arranged in the groove, clamping platforms (19) and blocking eaves (20) are respectively arranged at two ends of the spiral guide body (18) and the spiral groove (17) to be matched, the spiral guide body (18) is prevented from being separated from the spiral groove (17), the spiral guide body (18) abuts against the bottom wall of the spiral groove (17) through a spring (21), the spiral guide body (18) is enabled to obtain outward extending force, and the guide section (16) is rotatably connected to the rope cap (2).
3. The combination scraping and impacting drifting tool applied to water injection well of claim 2 is characterized in that the guiding section (16) is a split structure composed of an upper part, a middle part and a lower part, the spiral groove (17) is arranged on the middle part, the blocking eaves (20) are respectively arranged on the upper part and the lower part, and the three parts are connected through screw threads.
4. A combined scraping and percussive tool for use in water injection wells according to claim 2 or 3, characterised in that the guide section (16) is connected to the rope cap (2) by means of a bearing (22).
5. A combined scraping and percussive drift tool for use in a water injection well according to claim 2 or 3, characterised in that the guide section (16) is at least two in number.
6. A combined scraping and percussive tool for use in water injection wells according to claim 1, characterised in that the slide (7) is screwed on the upper end of the impact body (3).
7. The combined scraping and impacting pigging tool applied to a water injection well is characterized in that the spiral chute grooves (6) on the outer wall of the impacting body (3) are two and are symmetrically arranged on the outer wall of the impacting body (3).
8. The combined scraping and impacting drifting tool applied to water injection well of claim 2 is characterized in that the two spiral chute grooves (6) on the outer wall of the inner cylinder (9) are symmetrically arranged on the outer wall of the inner cylinder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021144092.8U CN212406682U (en) | 2020-06-19 | 2020-06-19 | Combined scraping type impact drifting tool applied to water injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021144092.8U CN212406682U (en) | 2020-06-19 | 2020-06-19 | Combined scraping type impact drifting tool applied to water injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212406682U true CN212406682U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021144092.8U Active CN212406682U (en) | 2020-06-19 | 2020-06-19 | Combined scraping type impact drifting tool applied to water injection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212406682U (en) |
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2020
- 2020-06-19 CN CN202021144092.8U patent/CN212406682U/en active Active
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