CN110984914A - Oil field sleeve paraffin scraping tool - Google Patents
Oil field sleeve paraffin scraping tool Download PDFInfo
- Publication number
- CN110984914A CN110984914A CN201911316802.2A CN201911316802A CN110984914A CN 110984914 A CN110984914 A CN 110984914A CN 201911316802 A CN201911316802 A CN 201911316802A CN 110984914 A CN110984914 A CN 110984914A
- Authority
- CN
- China
- Prior art keywords
- wax
- scraping
- wax scraping
- scrape
- casing
- 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.)
- Pending
Links
- 238000007790 scraping Methods 0.000 title claims abstract description 82
- 239000012188 paraffin wax Substances 0.000 title abstract description 8
- 239000003129 oil well Substances 0.000 claims abstract description 7
- 230000005489 elastic deformation Effects 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 6
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000001993 wax Substances 0.000 abstract description 95
- 240000007817 Olea europaea Species 0.000 abstract description 22
- 238000010276 construction Methods 0.000 abstract description 11
- 239000013078 crystal Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The invention discloses an oil field casing wax scraping tool, which relates to the technical field of oil field downhole tools and comprises a wax scraping body, a wax scraping female buckle and a wax scraping male buckle, wherein the wax scraping body is an olive ball body with a hollow inner part, the diameters of two ends of the olive ball body are smaller than that of the middle part, a spiral opening is formed in the side wall of the olive ball body, the side wall of the olive ball body is extruded to enable the olive ball body to generate elastic deformation, the two ends of the olive ball body are respectively and fixedly provided with the wax scraping female buckle and the wax scraping male buckle, the wax scraping female buckle is connected with a tail pipe, the wax scraping male buckle is connected with an oil well pump, and the wax scraping body can elastically scrape and clean the inner wall of the casing through. The oil field casing paraffin scraping tool provided by the invention can effectively remove oil wax, water scale and various dirt crystals adsorbed on the inner wall of the casing when the inner wall of the casing is subjected to paraffin scraping and drifting, so that the construction cost is reduced, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of oil field downhole tools, in particular to an oil field casing wax scraping tool.
Background
At present, when an oil-water well needing to move a tubular column is repaired in an oil field underground, most of the inner walls of the sleeves need to be cleaned by scraping wax and dredging the well to remove oil wax, scale, various crystals and the like on the inner walls, a wax scraper needs to be separately put into the sleeves during wax scraping, the conventional wax scraper is a rigid member of a column or a cylinder, after the wax scraper enters the slightly deformed sleeves, the wax scraper cannot be smoothly put down due to deformation of the sleeves, and after the sleeves need to be checked, the wax scraper of a corresponding specification is selected to scrape wax again, so that the construction cost is high, the timeliness is low, and the labor intensity of workers is high.
Disclosure of Invention
The invention aims to provide a paraffin scraping tool for an oil field casing, which aims to solve the problems in the prior art, and can effectively remove oil wax, water scale and various dirt crystals adsorbed on the inner wall of the casing when the inner wall of the casing is subjected to paraffin scraping and drifting, reduce construction cost and improve construction efficiency.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an oil field casing wax scraping tool which comprises a wax scraping body, a wax scraping female buckle and a wax scraping male buckle, wherein the wax scraping body is an olive ball body with a hollow inner part, the diameters of two ends of the olive ball body are smaller than that of the middle part, a spiral opening is formed in the side wall of the olive ball body, the side wall of the olive ball body is extruded to enable the olive ball body to generate elastic deformation, the wax scraping female buckle and the wax scraping male buckle are fixedly arranged at two ends of the olive ball body respectively, the wax scraping female buckle is connected with a tail pipe, the wax scraping male buckle is connected with an oil well pump, and the wax scraping body can elastically scrape and clean the inner wall of the casing through the deformed casing.
Preferably, the wax scraping female buckle is a connecting female sleeve with an internal thread, and the wax scraping male buckle is a connecting male sleeve with an external thread.
Preferably, the inside of the wax scraping body is communicated with the connecting female sleeve, and the inside of the wax scraping body is communicated with the connecting male sleeve.
Preferably, the internal thread and the external thread are both tapered threads.
Preferably, the wall thickness of the wax scraping body is equal everywhere.
Preferably, the wax scraping body is in smooth transition connection with the wax scraping female buckle.
Preferably, the wax scraping body is in smooth transition connection with the wax scraping male buckle.
Preferably, three spiral openings are formed in the side wall of the football body, and the openings are distributed in an array mode along the circumferential direction of the football body.
Compared with the prior art, the invention has the following technical effects:
the invention provides a wax scraping tool for an oil field casing, which is connected to the lower end of an oil well pump and then extends into the casing when wax scraping and cleaning are required to be carried out on the casing, the edge of an opening of an olive ball body can scrape substances such as oil wax, scale and the like attached to the inner wall of the casing, when the casing is deformed, the olive ball body can elastically pass through the deformed casing section and can also scrape and clean the wall of the casing, compared with the traditional wax scraping tool, after the casing is deformed, a wax scraper with a corresponding specification is selected to scrape wax again after checking the casing, and the wax scraping operation can be finished only by once introducing the casing, so that the construction cost is reduced, and the construction efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a half-sectional view of an oilfield casing wax scraping tool provided by the present invention;
FIG. 2 is a perspective view of an oilfield casing wax scraping tool provided by the present invention;
in the figure: 1-wax scraping body, 2-wax scraping female buckle, 3-wax scraping male buckle, 4-internal thread and 5-external thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a paraffin scraping tool for an oil field casing, which aims to solve the problems in the prior art, and can effectively remove oil wax, water scale and various dirt crystals adsorbed on the inner wall of the casing when the inner wall of the casing is subjected to paraffin scraping and drifting, reduce construction cost and improve construction efficiency.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 ~ 2, this embodiment provides an oil field sleeve pipe wax scraping instrument, including scraping wax body 1, scrape wax box 2 and scrape wax pin 3, it is inside hollow olive spheroid to scrape wax body 1, the diameter at olive spheroid both ends is less than the diameter at middle part, be equipped with spiral helicine opening on the olive spheroid lateral wall, the spheroidal lateral wall of extrusion olive can make the olive spheroid take place elastic deformation, olive spheroid both ends are fixed respectively to be equipped with scrapes wax box 2 and scrapes wax pin 3, it is used for being connected with the tail pipe to scrape wax box 2, it is used for being connected with the oil-well pump to scrape wax pin 3, it can the elasticity in order to scrape the wax clearance to the intraductal wall of sleeve through the sleeve pipe of deformation to scrape wax body 1.
When the wax scraping tool for the oil field casing pipe is required to scrape wax and clean the casing pipe, the wax scraping tool for the oil field casing pipe is connected to the lower end of an oil well pump and then extends into the casing pipe, the edge of the opening of the olive ball body can scrape substances such as oil wax, scale and the like attached to the inner wall of the casing pipe, when the deformed casing pipe is encountered, the olive ball body can elastically pass through the deformed casing pipe section and can scrape wax and clean the pipe wall, compared with the traditional wax scraping tool, after the deformed casing pipe is encountered, a wax scraper with a corresponding specification is selected to scrape wax again after the casing pipe is checked, and the wax scraping tool for the oil field casing pipe provided by the application can complete wax scraping operation only by introducing the wax scraper into the casing pipe once, so that the construction cost is reduced, and the construction.
Scrape 1 inside and being connected female cover of wax body and be linked together, scrape 1 inside and be connected public cover of wax body and communicate mutually, scrape wax body 1 and be connected public cover when wasing when needs to the sleeve pipe inner wall, through scraping wax body 1 and being connected public cover of intercommunication, the washing liquid can be followed the oil-well pump and flowed out through spiral helicine opening to through the annular circulation of oil jacket well.
Internal thread 4 and external screw thread 5 are the awl screw thread, adopt the awl screw thread to connect, and sealing performance is better.
Scrape the wall thickness homoenergetic of wax body 1 each department and equal, when scraping the wax clearance to the intraductal wall of casing, scrape wax body 1 lateral wall atress everywhere more even, it is better to scrape the wax effect.
Scrape wax body 1 and scrape smooth transition of wax box 2 and be connected, stress concentration when having avoided scraping wax body 1 and scraping wax improves life.
Scrape wax body 1 and scrape smooth transition connection of wax pin 3, stress concentration when having avoided scraping wax body 1 and scraping wax improves life.
Be equipped with three heliciform openings on the football body lateral wall, each opening is along football body circumferencial direction array distribution, can set up the opening of different quantity according to actual conditions to satisfy and scrape the wax demand.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The utility model provides an oil field casing wax scraping tool which characterized in that: including scraping the wax body, scraping the wax box and scraping the wax pin, it is inside hollow football body to scrape the wax body, the diameter at football body both ends is less than the diameter at middle part, be equipped with spiral helicine opening on the football body lateral wall, the extrusion the football body lateral wall can make the elastic deformation takes place for the football body, the football body both ends are fixed respectively be equipped with scrape the wax box with scrape the wax pin, it is used for being connected with the tail pipe to scrape the wax box, it is used for being connected with the oil-well pump to scrape the wax pin, it can the elasticity scrape the wax clearance in order to scrape the bushing inner wall through the sleeve pipe of deformation to scrape the wax body.
2. The oilfield casing wax scraping tool of claim 1, wherein: the wax scraping female buckle is a connecting female sleeve with an internal thread, and the wax scraping male buckle is a connecting male sleeve with an external thread.
3. The oilfield casing wax scraping tool of claim 2, wherein: the inside of the wax scraping body is communicated with the connecting female sleeve, and the inside of the wax scraping body is communicated with the connecting male sleeve.
4. The oilfield casing wax scraping tool of claim 2, wherein: the internal thread and the external thread are both tapered threads.
5. The oilfield casing wax scraping tool of claim 1, wherein: the wall thickness of each part of the wax scraping body is equal.
6. The oilfield casing wax scraping tool of claim 1, wherein: the wax scraping body is connected with the wax scraping female buckle in a smooth transition mode.
7. The oilfield casing wax scraping tool of claim 1, wherein: the wax scraping body is connected with the wax scraping male buckle in a smooth transition mode.
8. The oilfield casing wax scraping tool of claim 1, wherein: the side wall of the football body is provided with three spiral openings, and the openings are distributed in an array mode along the circumferential direction of the football body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316802.2A CN110984914A (en) | 2019-12-19 | 2019-12-19 | Oil field sleeve paraffin scraping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316802.2A CN110984914A (en) | 2019-12-19 | 2019-12-19 | Oil field sleeve paraffin scraping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110984914A true CN110984914A (en) | 2020-04-10 |
Family
ID=70063122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911316802.2A Pending CN110984914A (en) | 2019-12-19 | 2019-12-19 | Oil field sleeve paraffin scraping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110984914A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU209364U1 (en) * | 2021-04-27 | 2022-03-15 | Салават Анатольевич Кузяев | WELL SCRAPER |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2212072Y (en) * | 1994-12-23 | 1995-11-08 | 周治贤 | Elastic sleeve wax scraping device |
| RU2063575C1 (en) * | 1993-03-22 | 1996-07-10 | Нефтегазодобывающее управление "Альметьевнефть" | Device for cleaning inner side of pipes |
| US20010022223A1 (en) * | 2000-02-10 | 2001-09-20 | Howlett Paul David | Downhole cleaning tool with shear clutch |
| CN2521386Y (en) * | 2001-10-23 | 2002-11-20 | 贾广生 | Scraper for cleaning borehole or well |
| US6546581B1 (en) * | 1999-03-03 | 2003-04-15 | Pilot Drilling Control Limited | Casing scraper |
| CN102330544A (en) * | 2011-10-13 | 2012-01-25 | 中国石油集团西部钻探工程有限公司 | Spiral casing scraper |
| CN202611664U (en) * | 2012-05-16 | 2012-12-19 | 山东寿光市坤隆石油机械股份有限公司 | Elastic deviation-adjustment wax scraper |
| CN203547666U (en) * | 2013-11-06 | 2014-04-16 | 中国石油天然气集团公司 | Spiral multi-hole oblique-eye wax scraping device for an oil pipe |
| CN106639983A (en) * | 2016-11-30 | 2017-05-10 | 中国海洋石油总公司 | Variable-diameter tube scraper of casing pipe |
| CN107201889A (en) * | 2017-06-16 | 2017-09-26 | 盐城市东荣石油机械有限公司 | A kind of casing scraper |
| CN206785360U (en) * | 2017-06-14 | 2017-12-22 | 中国石油天然气股份有限公司 | Oil field operation horizontal well paraffin scraper |
| CN207144906U (en) * | 2017-08-10 | 2018-03-27 | 贵州高峰石油机械股份有限公司 | A kind of a wide range of pipeline scraper |
-
2019
- 2019-12-19 CN CN201911316802.2A patent/CN110984914A/en active Pending
Patent Citations (12)
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|---|---|---|---|---|
| RU2063575C1 (en) * | 1993-03-22 | 1996-07-10 | Нефтегазодобывающее управление "Альметьевнефть" | Device for cleaning inner side of pipes |
| CN2212072Y (en) * | 1994-12-23 | 1995-11-08 | 周治贤 | Elastic sleeve wax scraping device |
| US6546581B1 (en) * | 1999-03-03 | 2003-04-15 | Pilot Drilling Control Limited | Casing scraper |
| US20010022223A1 (en) * | 2000-02-10 | 2001-09-20 | Howlett Paul David | Downhole cleaning tool with shear clutch |
| CN2521386Y (en) * | 2001-10-23 | 2002-11-20 | 贾广生 | Scraper for cleaning borehole or well |
| CN102330544A (en) * | 2011-10-13 | 2012-01-25 | 中国石油集团西部钻探工程有限公司 | Spiral casing scraper |
| CN202611664U (en) * | 2012-05-16 | 2012-12-19 | 山东寿光市坤隆石油机械股份有限公司 | Elastic deviation-adjustment wax scraper |
| CN203547666U (en) * | 2013-11-06 | 2014-04-16 | 中国石油天然气集团公司 | Spiral multi-hole oblique-eye wax scraping device for an oil pipe |
| CN106639983A (en) * | 2016-11-30 | 2017-05-10 | 中国海洋石油总公司 | Variable-diameter tube scraper of casing pipe |
| CN206785360U (en) * | 2017-06-14 | 2017-12-22 | 中国石油天然气股份有限公司 | Oil field operation horizontal well paraffin scraper |
| CN107201889A (en) * | 2017-06-16 | 2017-09-26 | 盐城市东荣石油机械有限公司 | A kind of casing scraper |
| CN207144906U (en) * | 2017-08-10 | 2018-03-27 | 贵州高峰石油机械股份有限公司 | A kind of a wide range of pipeline scraper |
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| Title |
|---|
| 邓荣等: "新型步进式刮蜡器的设计研究", 《中国优秀硕士学位论文全文数据库工程科技Ι辑》 * |
| 马百涛等: "基于抽油杆刮蜡导流控井装置的研制", 《化学工程与装备》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU209364U1 (en) * | 2021-04-27 | 2022-03-15 | Салават Анатольевич Кузяев | WELL SCRAPER |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |
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| RJ01 | Rejection of invention patent application after publication |