CN206111143U - Formula wax scraping device creeps into - Google Patents
Formula wax scraping device creeps into Download PDFInfo
- Publication number
- CN206111143U CN206111143U CN201621102134.5U CN201621102134U CN206111143U CN 206111143 U CN206111143 U CN 206111143U CN 201621102134 U CN201621102134 U CN 201621102134U CN 206111143 U CN206111143 U CN 206111143U
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- CN
- China
- Prior art keywords
- paraffin scraper
- paraffin
- top connection
- tubular body
- scraper
- Prior art date
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Abstract
The utility model relates to a formula wax scraping device creeps into belongs to oil gas well pit shaft well repair tool technical field. Including top connection, tubulose body and paraffin scraper, tubulose body upper end is the top connection, and the equipartition has the paraffin scraper on the outer wall of tubulose body, and the paraffin scraper is the single screw blade. The utility model discloses a tubulose body is connected with the top connection, and the outer wall equipartition has the paraffin scraper, and the paraffin scraper is the single screw blade, is the rectangle, and the slope upwards to the up time needle upwards in succession extends, to down and to go up the diameter crescent, is favorable to rotary drilling to go into and opens the passageway in the hard wax, and the lower extreme is the toper form that closes up, can increase the impact force of circulation fluid.
Description
Technical field
This utility model is related to a kind of drilling type paraffin scraper, belongs to oil gas well shaft workover tool technical field.
Background technology
In oilfield development process, as crude oil contains waxiness and colloid, under temperature and pressure change condition, waxiness and glue
Matter is separated out, and is attached on the borehole wall, well of lying is caused when serious.It is to ensure the normal production of oil well, the borehole wall is residual using specific purpose tool
The waxiness stayed, colloid are carried out scraping Lasaxing Oilfield, and carry out pit shaft by well workover liquid.
Conventional paraffin scraper is on the tubing of certain interior latus rectum to be welded bar shaped paraffin cutting blade, tilts upward uniformly, is sleeved on
Outside oil pipe, G.I.H is using paraffin scraper with a kind of up and down instrument for wiping wax in well off of tubing string.For empty well cylinder blowing
Producing or close down for a long time well causes wax deposition on the borehole wall serious, even without the oil well of oil flow channel, it is impossible to which rotation does not possess drilling
Function, causes paraffin scraper smoothly enter well, affects paraffin cutting effect.Way is first to get out a passage first with drill bit at present,
Then enter down paraffin scraper again and wipe the wax on the borehole wall off.This method need to remove tubing string twice, cause extend duty cycle, operation effect
Rate is relatively low.
The patent application of Application No. 201520277077.3 discloses a kind of paraffin scraper.The paraffin scraper is connect by rotatable
Head, cylinder, bearing, spiral paraffin cutting blade composition.During paraffin cutting, be connected to below paraffin cutting tubing string by But rotary joint go into the well into
Row paraffin cutting, it is also possible to the spiral paraffin cutting blade promoted on cylinder of being conducted oneself with dignity using tubing string, drives cylinder rotary paraffin scraping.Due to structure again
Miscellaneous, bottom cab-over design does not possess drilling function.
The patent application of Application No. 201520277071.6 discloses a kind of whirling rabbit.The whirling rabbit includes
Swivel joint and connected short circuit, during paraffin cutting operation, are connected to Flushing tubular column lower end, paraffin scraper inwall by swivel joint
The blade of distribution can scrape the hard wax inside broken entrance paraffin scraper, be allowed to become little wax stone, follow flushing fluid to be recycled to ground.This kind
Whirling rabbit lower end is straight, does not possess drilling function.
The content of the invention
The purpose of this utility model is for the technology for overcoming existing paraffin scraper not possess drilling function, paraffin cutting effect difference
A kind of defect, there is provided drilling type paraffin scraper.
The technical solution of the utility model is：
This utility model includes top connection, tubular body and paraffin scraper, and tubular body upper end is top connection, in tubular body
Outer wall on be evenly equipped with paraffin scraper, paraffin scraper is single thread blade.
Tubular body of the present utility model is connected with top connection, and outer wall is evenly equipped with paraffin scraper, and paraffin scraper is single thread knife
Piece, it is rectangular, tilt upward, and continuously extend in clockwise direction, its diameter to it is lower and on gradually increase, be conducive to rotary drilling
Passage is opened in entering hard wax, lower end is tapered closing in shape water nozzle, can increase the impulsive force of circulation fluid.
Description of the drawings
Fig. 1 is this utility model structural representation.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is further described.
As shown in Figure 1, this utility model includes top connection 1, tubular body 2 and paraffin scraper 3, and 2 upper end of tubular body is upper
Joint 1, is evenly equipped with paraffin scraper 3 on the outer wall of tubular body 2, and paraffin scraper 3 is single thread blade.
The single thread blade of described paraffin scraper 3 is rectangle, is tilted upward and continuous extension clockwise, and its diameter is under
And on gradually increase.
The lower end of described tubular body 2 is the water nozzle 4 of tapered closing in shape, can increase the impulsive force of circulation fluid.
When wax removal operation is implemented to pit shaft, top connection of the present utility model 1 is connected with wax removal tubing string of going into the well, down to
At the wax deposition section or position that is hampered, is combined direct circulation rotary drilling wax, taper of the high-pressure fluid from central through hole with top driving device
Sprayed at closing in downwards, while the tubing string of rotation drives this utility model to pierce in wax post, upper lifting pipe post, using single thread knife
Wax stone scraping on pit shaft, the wax stone for coming off are returned out pit shaft with high-pressure fluid by piece, complete wax removal construction.
Claims (3)
1. a kind of drilling type paraffin scraper, it is characterised in that：Including tubular body (2) and paraffin scraper (3), tubular body (2) upper end
For top connection (1), on place's wall of tubular body (2), uniform paraffin scraper (3), is single thread blade.
2. a kind of drilling type paraffin scraper according to claim 1, it is characterised in that：The single head spiral shell of described paraffin scraper (3)
Rotary knife piece is rectangle, is tilted upward and continuous extension clockwise, and its diameter gradually increases to lower to upper.
3. a kind of drilling type paraffin scraper according to claim 1 and 2, it is characterised in that：Under described tubular body (2)
The water nozzle (4) for tapered closing in shape is held, the impulsive force of circulation fluid can be increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102134.5U CN206111143U (en) | 2016-09-30 | 2016-09-30 | Formula wax scraping device creeps into |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621102134.5U CN206111143U (en) | 2016-09-30 | 2016-09-30 | Formula wax scraping device creeps into |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111143U true CN206111143U (en) | 2017-04-19 |
Family
ID=58528084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621102134.5U Active CN206111143U (en) | 2016-09-30 | 2016-09-30 | Formula wax scraping device creeps into |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111143U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984916A (en) * | 2020-02-04 | 2020-04-10 | 东北石油大学 | Turbine-driven thermal mass spraying and melting type flow guide wax scraping device |
| CN112824647A (en) * | 2019-11-21 | 2021-05-21 | 曹许明 | Spiral oil pipe paraffin removal device |
-
2016
- 2016-09-30 CN CN201621102134.5U patent/CN206111143U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112824647A (en) * | 2019-11-21 | 2021-05-21 | 曹许明 | Spiral oil pipe paraffin removal device |
| CN110984916A (en) * | 2020-02-04 | 2020-04-10 | 东北石油大学 | Turbine-driven thermal mass spraying and melting type flow guide wax scraping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |