CN210289717U - A sleeve pipe inner wall residue cleaning device for gas testing operation in pit - Google Patents
A sleeve pipe inner wall residue cleaning device for gas testing operation in pit Download PDFInfo
- Publication number
- CN210289717U CN210289717U CN201921329254.2U CN201921329254U CN210289717U CN 210289717 U CN210289717 U CN 210289717U CN 201921329254 U CN201921329254 U CN 201921329254U CN 210289717 U CN210289717 U CN 210289717U
- Authority
- CN
- China
- Prior art keywords
- scraping
- wall
- limiting block
- fixing rod
- central fixing
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model relates to a intraductal wall of sleeve residue cleaning device for gas testing operation in pit: the device comprises a central fixing rod, wherein an external thread connector is welded at the top of the central fixing rod, four upper limiting blocks and four lower limiting blocks which are spliced into a circular shape are fixed at the top and the bottom of the side wall of the central fixing rod, open slots are formed in the opposite contact ends of the upper limiting block and the lower limiting block, a normally open travel switch is installed at the bottom of the open slot of the upper limiting block, a normally closed travel switch is installed at the bottom of the open slot of the lower limiting block, the open slots of the upper limiting block and the open slot of the lower limiting block are in opposite contact to form a limiting slot, a scraping device is convexly installed in the limiting slot and welded on the central fixing; the utility model provides a traditional sleeve pipe scraper need repeat scraping from top to bottom when scraping the inside pipe wall, extravagant a large amount of operating time, influence the problem of engineering progress.
Description
Technical Field
The utility model relates to a gas testing operation technical field in the pit, concretely relates to an intraductal wall residue cleaning device of sleeve for gas testing operation in the pit.
Background
In the process of petroleum and natural gas exploration, in order to further know and evaluate oil and gas reservoirs and provide reliable scientific basis for development of oil and gas fields, gas testing work must be carried out on the oil and gas reservoirs, and the oil and gas reservoirs are finished according to quality and quantity in one step according to a gas testing process flow. The gas testing operation is a technological process for directly testing underground oil, gas and water layers by using a set of special equipment and method and obtaining related underground oil, gas and water layer productivity, pressure, temperature and oil, gas and water sample physical property data. The well cleaning is an important link in the process of gas testing operation, and the quality of the well cleaning is directly related to the quality of the next work and the pollution condition of the stratum.
The well cleaning method mainly cleans residues such as steel slag, burrs, cement hard wax, salt scale and the like on the inner wall of the casing, and mainly cleans the residues through a casing scraper. However, the conventional casing scraper needs to scrape the inner wall of the casing repeatedly up and down when scraping the inner wall of the casing, so that a large amount of working time is wasted, and the progress of the project is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an at least defect among the prior art is overcome to a main aim at, provides an intraductal wall residue cleaning device for gas testing operation in pit, has solved traditional sleeve pipe scraper and has scraped the problem that intraductal wall need be scraped repeatedly from top to bottom, extravagant operating time.
In order to realize the technical scheme, the utility model discloses a following technical scheme:
a cleaning device for residues on the inner wall of a sleeve for downhole gas testing operation comprises a central fixing rod, wherein an external thread connector is welded at the top of the central fixing rod, four upper limiting blocks and four lower limiting blocks which are spliced into a circle are fixed on the top and the periphery of the side wall of the central fixing rod through bolts, the opposite contact ends of the upper limiting block and the lower limiting block are respectively provided with an open slot, the bottom of the open slot of the upper limiting block is provided with a normally open travel switch, the bottom of the open slot of the lower limiting block is provided with a normally closed travel switch, the upper limiting block and the open slot of the lower limiting block are in opposite contact to form a limiting slot, a scraping device is arranged in the limiting slot in a protruding manner, the scraping device is fixedly welded on the central fixing rod, a storage battery is fixed on the central, the normally closed travel switch, the storage battery and the scraping device form an electric path through a three-pole double-throw relay.
Further, the scraping device includes positive and negative motor, two wheel forks, the sprocket chain device, a pedestal, a plurality of springs, scraping sword and two clamp plates, sprocket chain device sprocket rotates and connects on the wheel fork, the wheel fork welding is on central dead lever, positive and negative motor is fixed in the wheel fork rear side, and positive and negative motor's motor shaft and sprocket chain device sprocket coaxial coupling, the base welding is in the sprocket chain device chain outside, two clamp plates are detachable to be fixed at the base both ends, the spring passes through the recess joint between scraping sword bottom and base.
Furthermore, the bottom of the central fixed rod is welded with an internal thread connector.
Furthermore, the pressing plate is fixed on the base through bolts.
Further, the top of the scraper is coated with wear-resistant paint.
The utility model has the advantages that: the utility model discloses when using, the spiro union is on the tubular column, scrapes the intraductal wall residue along with the tubular column is rotatory, utilizes positive and negative motor control scraping device to scrape about simultaneously, not only can effectual clearance intraductal wall's residue, can also effectively reduce clearance time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half-sectional view of the present invention;
fig. 3 is the working circuit diagram of the positive and negative motor of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-central fixed rod, 2-external thread connector, 3-internal thread connector, 4-upper limit block, 5-lower limit block, 6-scraping device, 7-normally open travel switch, 8-normally closed travel switch, 9-limit groove, 10-storage battery, 11-switch, 12-three-pole double-throw relay, 601-positive and negative motor, 602-wheel fork, 603-sprocket chain device, 604-base, 605-spring, 606-scraping knife and 607-pressing plate.
Detailed Description
As shown in figures 1-3, the utility model relates to a casing inner wall residue cleaning device for downhole gas testing operation, which comprises a central fixed rod 1, wherein the top of the central fixed rod 1 is welded with an external thread connector 2, the top and the bottom of the side wall of the central fixed rod 1 are fixed with four upper limiting blocks 4 and four lower limiting blocks 5 which are spliced into a circle by bolts, the opposite contact ends of the upper limiting blocks 4 and the lower limiting blocks 5 are provided with open slots, the bottom of the open slot of the upper limiting block 4 is provided with a normally open travel switch 7, the bottom of the open slot of the lower limiting block 5 is provided with a normally closed travel switch 8, the upper limiting block 4 and the open slot of the lower limiting block 5 are in opposite contact to form a limiting slot 9, a scraping device 6 is convexly arranged in the limiting slot 9, the scraping device 6 is welded on the central fixed rod 1, a storage battery 10 is fixed on the central fixed rod, the switch 11, the normally open travel switch 7, the normally closed travel switch 8, the storage battery 10 and the scraping device 6 form an electric path through a three-pole double-throw relay.
Wherein, scraping device 6 includes positive and negative motor 601, two wheel forks 602, sprocket chain device 603, base 604, a plurality of springs 605, scraping knife 606 and two clamp plates 607, sprocket chain device 603 sprocket rotates and connects on wheel forks 602, wheel forks 602 welds on central dead lever 1, positive and negative motor 601 fixes in wheel forks 602 rear side, and positive and negative motor 601 motor shaft and sprocket chain device 603 sprocket coaxial coupling, base 604 welds in the sprocket chain device 603 outside, two clamp plates 607 are detachable to be fixed at base 604 both ends, spring 605 passes through the recess joint between scraping knife 606 bottom and base 604, internal thread connector 3 has been welded to central dead lever 1 bottom, clamp plate 607 passes through the bolt fastening on base 604, be convenient for dismantle and change scraping knife 606, the top coating of scraping knife 606 has wear-resisting paint, can effectively reduce the wearing and tearing of scraping knife 606.
When the inner wall of the casing needs to be cleaned, the connecting pipe column of the utility model is lowered along with the pipe column, the scraping knife 606 is clamped on the inner wall of the casing under the action of the spring 605, the switch 11 is opened, the battery 10 supplies power, the positive and negative motor 601 positively rotates to drive the scraping knife 606 on the metal track to move upwards, the base 604 of the scraping device 6 touches the normally open travel switch 7 at the bottom of the opening groove of the upper limit block 4 when reaching the top of the limit groove 9, the three-knife double-throw relay 12 is attracted, the positive and negative motor 601 reversely rotates, the positive and negative motor 601 drives the scraping knife 606 on the metal track to move downwards, after touching the normally closed travel switch 8 at the lower part, the three-knife double-throw relay 12 is disconnected, the positive and negative motor 601 positively rotates again, the scraping knife 606 rotates positively and negatively along the inner wall of the casing along with the positive and negative motor 601 rotation in the limit groove 9, the inner wall of the casing is cleaned, in the cleaning process, the pipe clamping accident is avoided, the pipe column does not need to be moved up and down to clean the sleeve, the inner wall of the sleeve is effectively cleaned, meanwhile, the working time is reduced, and the working efficiency is improved.
It is worth noting that: travel switch and positive and negative motor are equipment commonly used, and travel switch passes through three-pole double-throw switch control positive and negative motor positive and negative rotation and belongs to current mature technique, no longer gives unnecessary details its specific inner structure and theory of operation here.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a sleeve pipe inner wall residue cleaning device for gas testing operation in pit which characterized in that: the device comprises a central fixing rod (1), wherein an external thread connector (2) is welded at the top of the central fixing rod (1), four upper limiting blocks (4) and lower limiting blocks (5) which are spliced into a circular shape are fixed on the top and the bottom of the side wall of the central fixing rod (1) through bolts, the relative contact ends of the upper limiting blocks (4) and the lower limiting blocks (5) are provided with open slots, the bottom of the open slot of the upper limiting block (4) is provided with a normally open travel switch (7), the bottom of the open slot of the lower limiting block (5) is provided with a normally closed travel switch (8), the upper limiting blocks (4) and the open slots of the lower limiting blocks (5) are in relative contact to form a limiting slot (9), a scraping device (6) is installed in the limiting slot (9) in an protruding manner, the scraping device (6) is welded on the central fixing rod (1), and a storage battery (10, the upper limiting block (4) is provided with a switch (11) at the upper part, and the switch (11), the normally open travel switch (7), the normally closed travel switch (8), the storage battery (10) and the scraping device (6) form an electric path through a three-pole double-throw relay.
2. The device for cleaning the residues on the inner wall of the casing for the downhole gas testing operation according to claim 1, wherein: scraping device (6) includes positive and negative motor (601), two wheel forks (602), sprocket chain device (603), base (604), a plurality of spring (605), scraping sword (606) and two clamp plate (607), sprocket chain device (603) sprocket rotation is connected on wheel fork (602), wheel fork (602) welding is on central dead lever (1), positive and negative motor (601) are fixed in wheel fork (602) rear side, and positive and negative motor (601) motor shaft and sprocket chain device (603) sprocket coaxial coupling, base (604) welding is in sprocket chain device (603) chain outside, two clamp plate (607) are detachable to be fixed at base (604) both ends, spring (605) pass through the recess joint between scraping sword (606) bottom and base (604).
3. The device for cleaning the residues on the inner wall of the casing for the downhole gas testing operation according to claim 1, wherein: the bottom of the central fixing rod (1) is welded with an internal thread connector (3).
4. The device for cleaning the residues on the inner wall of the casing for the downhole gas testing operation according to claim 2, wherein: the pressure plate (607) is fixed on the base (604) through bolts.
5. The device for cleaning the residues on the inner wall of the casing for the downhole gas testing operation according to claim 2, wherein: the top of the scraping knife (606) is coated with wear-resistant paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921329254.2U CN210289717U (en) | 2019-08-16 | 2019-08-16 | A sleeve pipe inner wall residue cleaning device for gas testing operation in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921329254.2U CN210289717U (en) | 2019-08-16 | 2019-08-16 | A sleeve pipe inner wall residue cleaning device for gas testing operation in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210289717U true CN210289717U (en) | 2020-04-10 |
Family
ID=70062769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921329254.2U Expired - Fee Related CN210289717U (en) | 2019-08-16 | 2019-08-16 | A sleeve pipe inner wall residue cleaning device for gas testing operation in pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210289717U (en) |
-
2019
- 2019-08-16 CN CN201921329254.2U patent/CN210289717U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103604909B (en) | A kind of multipath gas on-line real time monitoring method and device | |
| CN210586206U (en) | Cleaning, inspecting and repairing integrated system for old oil pipe for petroleum industry | |
| CN210289717U (en) | A sleeve pipe inner wall residue cleaning device for gas testing operation in pit | |
| CN201055938Y (en) | Underwater steel construction crackle friction stitch welding renovation equipment | |
| CN116718416B (en) | Heavy metal detector for contaminated sites | |
| CN211258570U (en) | Wax control paraffin removal device for oilfield equipment | |
| CN209886326U (en) | Oil field environmental protection operation belt cleaning device | |
| CN205908284U (en) | Oil pipe cleaning device | |
| CN102911799B (en) | Cleaning agent for electrohydraulic control system of fully-mechanized mining hydraulic support and preparation method thereof | |
| CN207879323U (en) | A kind of producing well sampler | |
| CN205743843U (en) | A kind of oil recovery paraffin cutting cleaning device | |
| CN213684074U (en) | Tool for cleaning silt deposited in horizontal well screen pipe | |
| CN116773280A (en) | Sampling equipment and sampling method for large-diameter pipeline | |
| CN210685940U (en) | Scraper for inner wall of underground casing | |
| CN112326489B (en) | Test device and test method for simulating erosion in harsh drilling environment | |
| CN205876272U (en) | Guarantee flexible drifting ware of scraping of unblocked impact brill formula of test channel | |
| CN212642621U (en) | High-wear-resistance anti-fracture oil drilling pipe | |
| CN108547594A (en) | A kind of horizontal well pipe cleaning Flushing tubular column | |
| CN209841748U (en) | Analyzer combustion device | |
| CN204097787U (en) | For the slurry desanding device of paper-making industry | |
| CN201978674U (en) | Device used for cleaning and separating waste lubricating oil ceramic membrane | |
| CN109469449B (en) | Drilling device convenient for coal mining with drill bit replaced | |
| CN209055522U (en) | Refinery flares detection device | |
| CN208545228U (en) | A kind of environment-friendly type wastewater treatment equipment | |
| CN208533601U (en) | A kind of dredging device for water conservancy projects |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20200816 |