CN102200003A - Pumping rod oil-increasing rotary wax scraping centralizer - Google Patents
Pumping rod oil-increasing rotary wax scraping centralizer Download PDFInfo
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- CN102200003A CN102200003A CN2011101312100A CN201110131210A CN102200003A CN 102200003 A CN102200003 A CN 102200003A CN 2011101312100 A CN2011101312100 A CN 2011101312100A CN 201110131210 A CN201110131210 A CN 201110131210A CN 102200003 A CN102200003 A CN 102200003A
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- cutting wheel
- paraffin cutting
- pole
- wax scraping
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Abstract
The invention discloses a pumping rod oil-increasing rotary wax scraping centralizer, belonging to a component of an oil pumping unit in oil extraction. The pumping rod oil-increasing rotary wax scraping centralizer comprises an upper pipe joint, a center rod, a bearing, a wax scraping wheel, spiral grooves and a lower pipe joint, wherein multiple spiral grooves are arranged on the cylindrical periphery of the wax scraping wheel; the lower end of the wax scraping wheel is provided with a big round pit; the outer cylindrical wall of the big round pit is communicated with the bottom of the spiral groove of the wax scraping wheel; the bearing at the top of the big round pit is sleeved on a convex round table of the centre rod; the upper end of the center rod is screwed into a screw hole at the lower end of the upper pipe joint; the lower end of the center rod is fixedly connected with the upper end of the lower pipe joint; the upper pipe joint and the lower pipe joint are provided with a well rod respectively; and when the well rod reciprocates, an oil liquid flows into the spiral groove through the big round pit below the wax scraping wheel during the downward movement so that the wax scraping wheel rotates and the hydrodynamic force of the oil liquid is increased. Experiments demonstrate that: the pumping rod oil-increasing rotary wax scraping centralizer reduces stroke loss, prevents eccentric wear, resists high temperature and corrosion, and increases the liquid extraction quantity by 12-15% year on year.
Description
Technical field: the present invention is the special equipment parts that belong to the petroleum extractor recover petroleum, and particularly matching used to increase oily paraffin cutting centralizer relevant with the down-hole sucker rod.
Background technology: at present in the oil exploitation process,, cause reducing the application life of well bar because the well bar produces the eccentric wear phenomenon in the reciprocating process in well casing serious, simultaneously, the China's oil well contain the carbowax height, reduce oil production, this is the still unsolved difficult problem of oilfield enterprise.
Summary of the invention: in order to solve the difficult problem in the background technology, the invention provides a kind of can be in the reciprocating process of well bar, produce the paraffin cutting centralizer of setting upright the paraffin cutting function of rotation automatically, promptly solve content of wax barreler paraffin cutting problem, solve sucker rod again and set upright anti-eccentric wear effect, beam hanger increases oil and rotates the paraffin cutting centralizer, realizes the high effective purpose that increases oil recovery.
Technical scheme of the present invention: the present invention is that above union, center-pole, bearing, paraffin cutting wheel, helical groove and lower pipe connection are formed, and it is characterized in that: going up union is the cylindrical steel body, is provided with screw thread in the centre bore of cylindrical steel body; Center-pole is the cylindrical steel body, is provided with screw thread in the upper end of cylinder, is provided with the ladder circle that increases diameter in the middle and lower part of center-pole; Bearing is the sealing bearing; The paraffin cutting wheel is cylindrical helical wheel, a through hole is established at the center of paraffin cutting wheel, the center, upper end of paraffin cutting wheel is provided with round nest, the center, lower end of paraffin cutting wheel is provided with the great circle nest, is being communicated with at the bottom of the helical groove of the outer cylindrical wall of great circle nest and paraffin cutting wheel, and paraffin cutting is taken turns the top center that the center, lower end is provided with the great circle nest and is provided with the roundlet nest, the lower end of paraffin cutting wheel is provided with annular ring, annular ring is connecting hurricane band, 45 ° of paraffin cutting wheel two terminal circle chamferings, and the cylinder periphery of paraffin cutting wheel is provided with several helical grooves; The lower end of helical groove terminates in the last plane of annular ring, and the great circle nest that the bottom land of helical groove bottom one segment distance and paraffin cutting wheel bottom are provided with is opened; The top of lower pipe connection and center-pole lower end are fixed, establish screw in the bottom of lower pipe connection; Assembling of the present invention: the round nest of the paraffin cutting wheel upper end sealing bearing of packing into, the roundlet nest that the great circle nest top center that paraffin cutting wheel lower end is provided with the is provided with sealing bearing of also packing into, bearing and centre bore with paraffin cutting wheel lower end are set on the center-pole, paraffin cutting wheel lower bearing is seated on the dome of center-pole, the internal thread of last union one end is screwed on the last screw rod of center-pole, and the center-pole lower end is cemented in above the lower pipe connection.
Because adopt the advantage of above technical scheme to be: screw thread is screwed in the screw of union and lower pipe connection when well bar two ends, the well bar is in well casing when reciprocating, paraffin cutting centralizer cylindrical myopia is being sealed the space, cross section of well casing, in the process that the well bar moves downward, the great circle nest that fluid is provided with from paraffin cutting wheel lower end enters into the helical groove of paraffin cutting wheel, the fluid direction that moves both vertically withstands on the hurricane band of paraffin cutting wheel, make the spin of paraffin cutting wheel, the spin of paraffin cutting wheel, scrape the wax deposition of well casing inwall, increase the fluid dynamic in the well casing simultaneously, the present invention is proof in relative oil well experiment: have the minimizing loss of plunger stroke, anti-eccentric wear, high temperature resistant, corrosion-resistant, increase on year-on-year basis that to adopt liquid measure be 12-15%.
Description of drawings:
Fig. 1 is that beam hanger increases the master that oil rotates the paraffin cutting centralizer and looks and the broken section schematic diagram of structure.
Fig. 2 is the schematic diagram of structure of overlooking of Fig. 1.
Fig. 3 is that the A-A of Fig. 1 looks up the profile construction schematic diagram.
The specific embodiment: be elaborated below in conjunction with accompanying drawing 1, Fig. 2 and Fig. 3, in Fig. 1 Fig. 2 and Fig. 3, beam hanger increases oil and rotates the paraffin cutting centralizer, be that above union 1, center-pole 2, bearing 3, paraffin cutting wheel 4, helical groove 5 and lower pipe connection 6 are formed, it is characterized in that: going up union (1) is the cylindrical steel body, is provided with screw thread in the centre bore of cylindrical steel body; Center-pole (2) is the cylindrical steel body, is provided with screw thread in the upper end of cylinder, is provided with the ladder circle that increases diameter in the middle and lower part of center-pole (2); Bearing (3) is the sealing bearing; Paraffin cutting wheel (4) is cylindrical helical wheel, a through hole is established at the center of paraffin cutting wheel (4), center, paraffin cutting wheel (4) upper end is provided with round nest, the center, lower end of paraffin cutting wheel (4) is provided with the great circle nest, the outer cylindrical wall of great circle nest was communicated with helical groove (5) end of paraffin cutting wheel (4), the top center that paraffin cutting wheel (4) center, lower end is provided with the great circle nest is provided with the roundlet nest, the lower end of paraffin cutting wheel (4) is provided with annular ring, annular ring is connecting hurricane band, 45 ° of paraffin cutting wheel (4) two terminal circle chamferings, the cylinder periphery of paraffin cutting wheel (4) is provided with several helical grooves (5); The lower end of helical groove (5) terminates in the last plane of annular ring, the great circle nest that the bottom land of helical groove (5) bottom one segment distance and paraffin cutting wheel (4) bottom are provided with is opened, the top of lower pipe connection (6) and center-pole (2) lower end are fixed, establish screw in the bottom of lower pipe connection (6); Assembling of the present invention: the round nest of paraffin cutting wheel (4) the upper end sealing bearing (3) of packing into, the roundlet nest that the great circle nest top center that paraffin cutting wheel (4) lower end is provided with the is provided with sealing bearing of also packing into, bearing and centre bore with paraffin cutting wheel (4) lower end are set on the center-pole (2), paraffin cutting wheel (4) lower bearing (3) is seated on the dome of center-pole (2), the internal thread of last union (1) one end is screwed on the last screw rod of center-pole (2), and center-pole (2) lower end is cemented in above the lower pipe connection.
Claims (1)
1. beam hanger increases oil rotation paraffin cutting centralizer, be that above union 1, center-pole 2, bearing 3, paraffin cutting wheel 4, helical groove 5 and lower pipe connection 6 are formed, it is characterized in that: going up union (1) is the cylindrical steel body, is provided with screw thread in the centre bore of cylindrical steel body; Center-pole (2) is the cylindrical steel body, is provided with screw thread in the upper end of cylinder, is provided with the ladder circle that increases diameter in the middle and lower part of center-pole (2); Bearing (3) is the sealing bearing; Paraffin cutting wheel (4) is cylindrical helical wheel, a through hole is established at the center of paraffin cutting wheel (4), center, paraffin cutting wheel (4) upper end is provided with round nest, the center, lower end of paraffin cutting wheel (4) is provided with the great circle nest, the outer cylindrical wall of great circle nest was communicated with helical groove (5) end of paraffin cutting wheel (4), the top center that paraffin cutting wheel (4) center, lower end is provided with the great circle nest is provided with the roundlet nest, the lower end of paraffin cutting wheel (4) is provided with annular ring, annular ring is connecting hurricane band, 45 ° of paraffin cutting wheel (4) two terminal circle chamferings, the cylinder periphery of paraffin cutting wheel (4) is provided with several helical grooves (5); The lower end of helical groove (5) terminates in the last plane of annular ring, the great circle nest that the bottom land of helical groove (5) bottom one segment distance and paraffin cutting wheel (4) bottom are provided with is opened, the top of lower pipe connection (6) and center-pole (2) lower end are fixed, establish screw in the bottom of lower pipe connection (6); Assembling of the present invention: the round nest of paraffin cutting wheel (4) the upper end sealing bearing (3) of packing into, the roundlet nest that the great circle nest top center that paraffin cutting wheel (4) lower end is provided with the is provided with sealing bearing of also packing into, bearing and centre bore with paraffin cutting wheel (4) lower end are set on the center-pole (2), paraffin cutting wheel (4) lower bearing (3) is seated on the dome of center-pole (2), the internal thread of last union (1) one end is screwed on the last screw rod of center-pole (2), and center-pole (2) lower end is cemented in above the lower pipe connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101312100A CN102200003A (en) | 2011-05-20 | 2011-05-20 | Pumping rod oil-increasing rotary wax scraping centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101312100A CN102200003A (en) | 2011-05-20 | 2011-05-20 | Pumping rod oil-increasing rotary wax scraping centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102200003A true CN102200003A (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101312100A Pending CN102200003A (en) | 2011-05-20 | 2011-05-20 | Pumping rod oil-increasing rotary wax scraping centralizer |
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| CN (1) | CN102200003A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790911A (en) * | 2015-04-22 | 2015-07-22 | 长江大学 | Cleaning tool for deep-sea riser |
| CN105221109A (en) * | 2015-10-21 | 2016-01-06 | 中国石油大学(华东) | Full well depth automatic wax cleaner |
| CN108533218A (en) * | 2018-05-14 | 2018-09-14 | 中国石油集团西部钻探工程有限公司 | Scraping wall |
| CN110056329A (en) * | 2019-05-12 | 2019-07-26 | 东北石油大学 | A kind of flow-disturbing paraffin cutting screw device for rod pumped well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2870845A (en) * | 1956-09-17 | 1959-01-27 | James C Tripplehorn | Reversed spiral molded scraper |
| CN2208097Y (en) * | 1994-05-16 | 1995-09-20 | 唐山龙加电子技术开发有限公司 | High performance wax remover |
| US6182754B1 (en) * | 1997-11-19 | 2001-02-06 | Rg Industries Ltd. | Helical scraper apparatus for a reciprocating sucker rod |
| CN2667142Y (en) * | 2003-10-30 | 2004-12-29 | 大庆油田有限责任公司 | Rotary sucker rod centralising device |
| CN101864909A (en) * | 2010-05-20 | 2010-10-20 | 夏云厚 | Centering striking-off oil-pumping rod |
-
2011
- 2011-05-20 CN CN2011101312100A patent/CN102200003A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2870845A (en) * | 1956-09-17 | 1959-01-27 | James C Tripplehorn | Reversed spiral molded scraper |
| CN2208097Y (en) * | 1994-05-16 | 1995-09-20 | 唐山龙加电子技术开发有限公司 | High performance wax remover |
| US6182754B1 (en) * | 1997-11-19 | 2001-02-06 | Rg Industries Ltd. | Helical scraper apparatus for a reciprocating sucker rod |
| CN2667142Y (en) * | 2003-10-30 | 2004-12-29 | 大庆油田有限责任公司 | Rotary sucker rod centralising device |
| CN101864909A (en) * | 2010-05-20 | 2010-10-20 | 夏云厚 | Centering striking-off oil-pumping rod |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790911A (en) * | 2015-04-22 | 2015-07-22 | 长江大学 | Cleaning tool for deep-sea riser |
| CN104790911B (en) * | 2015-04-22 | 2017-05-31 | 长江大学 | A kind of burnisher for deep-sea marine riser |
| CN105221109A (en) * | 2015-10-21 | 2016-01-06 | 中国石油大学(华东) | Full well depth automatic wax cleaner |
| CN108533218A (en) * | 2018-05-14 | 2018-09-14 | 中国石油集团西部钻探工程有限公司 | Scraping wall |
| CN110056329A (en) * | 2019-05-12 | 2019-07-26 | 东北石油大学 | A kind of flow-disturbing paraffin cutting screw device for rod pumped well |
| CN110056329B (en) * | 2019-05-12 | 2021-02-26 | 东北石油大学 | Turbulent flow wax scraping screw device for sucker-rod pump well |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110928 |