CN104196493A - Vibration paraffin control viscosity reduction trembler, device and sucker rod - Google Patents
Vibration paraffin control viscosity reduction trembler, device and sucker rod Download PDFInfo
- Publication number
- CN104196493A CN104196493A CN201410431595.6A CN201410431595A CN104196493A CN 104196493 A CN104196493 A CN 104196493A CN 201410431595 A CN201410431595 A CN 201410431595A CN 104196493 A CN104196493 A CN 104196493A
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- China
- Prior art keywords
- wax
- vibration
- vibrating reed
- area
- viscosity reducing
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Links
- 230000009467 reduction Effects 0.000 title claims description 33
- 239000012188 paraffin wax Substances 0.000 title description 4
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 63
- 230000001603 reducing effect Effects 0.000 claims description 66
- 244000273256 Phragmites communis Species 0.000 claims description 8
- 239000003921 oil Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 7
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 239000010779 crude oil Substances 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 239000001993 wax Substances 0.000 description 36
- 239000012530 fluid Substances 0.000 description 7
- 239000003129 oil well Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 3
- 241000405070 Percophidae Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention provides a vibration wax-proof viscosity-reducing vibrating reed, a device and a sucker rod, wherein at least one notch (9) is arranged at the edge of the vibration wax-proof viscosity-reducing vibrating reed (8), the notch (9) comprises a first area (91) arranged in the vibration wax-proof viscosity-reducing vibrating reed (8), the notch (9) further comprises a second area (92) connected with the first area (91) and the edge of the vibration wax-proof viscosity-reducing vibrating reed (8), and the maximum width of the second area (92) is smaller than the maximum width of the first area (91). The vibration wax-prevention viscosity-reduction vibrating piece, the device and the sucker rod can realize the wax-prevention and viscosity-reduction effects of common thick oil and wax-precipitation wells, and indoor tests show that the viscosity of crude oil can be reduced by 20% through physical vibration; meanwhile, field application experiments show that after the vibrating plate is installed, the hot washing period is prolonged by 60d, and the working current of the pumping unit is reduced by 20%.
Description
Technical field
The present invention relates to anti-wax technique field, oil field, a kind of vibration wax-proof viscosity reducing vibrating reed of the wax control for heavy oil wells viscosity reduction and content of wax well specifically, or a kind of vibration anti-wax viscosity reduction apparatus that contains this vibration wax-proof viscosity reducing vibrating reed, or a kind of vibration wax-proof viscosity reducing sucker rod that contains this vibration anti-wax viscosity reduction apparatus.
Background technology
The main wax-preventing method of field use has two classes at present, and a class is Physical wax control, with down-hole magnetic wax control device, carries out wax control; An other class is chemical method wax control, at well head, carries out drop dosing, and wax-proofing agent, prevents that wax crystalline substance from condensing, crude oil wax.Chinese patent CN 201991488 U, September 28 2011 publication date, < < detachable type oil well magnetic anti-waxing viscosity reduction > > is disclosed, the method introduced a kind of be arranged on down-hole with permanent magnet, produce the removable magnetic paraffin control device that magnetic field prevents wax deposition.But what this wax control device played a major role is permanent magnet, and through magnetic reduction after a period of time, wax control result declines, and needs to change.Chinese patent CN 101538458 A, September 23 2009 publication date, disclose a < < oil well dispersive wax-proofing agent and preparation method thereof > >, this patent is a kind of new chemical paraffin inhibitor of development.But chemical paraffin inhibitor cost is relatively high, and later stage multi-purpose station dehydration is had to certain influence.
The viscosity reduction technology of application mainly contains two classes at present, and the one, sucker rod electrical heating, the 2nd, chemical agent.Sucker rod electrical heating and chemical agent viscosity reducing effect are relatively better, but cost is relatively high, and are generally used for the production of the larger well of viscosity.
Summary of the invention
In order to solve the high technical problem of existing viscosity reduction technical costs.The invention provides a kind of vibration wax-proof viscosity reducing vibrating reed, device and sucker rod.This vibration wax-proof viscosity reducing vibrating reed, device and sucker rod can be realized wax control and the viscosity reduction effect of common heavy oil, paraffin-troubled well, and laboratory test shows, physical vibration can make viscosity of crude can reduce by 20%; Meanwhile, on-the-spot application experiment shows, installs after this vibrating reed, and hot washing period extends 60d, and oil pumper operating current reduces by 20%.
The present invention for solving the technical scheme of its technical problem employing is: a kind of vibration wax-proof viscosity reducing vibrating reed, the edge of described vibration wax-proof viscosity reducing vibrating reed is provided with at least one gap, gap comprises the first area being arranged in vibration wax-proof viscosity reducing vibrating reed, gap also comprises the second area at the edge that connects first area and vibration wax-proof viscosity reducing vibrating reed, and the Breadth Maximum of second area is less than the Breadth Maximum of first area.
First area is arc or rectangle or triangle.
The edge of first area is circular arc, and the corresponding central angle of this circular arc is 300 °～320 °.
Second area comprises two sides, and two sides are that straight line or two sides that are parallel to each other are camber line.
The Breadth Maximum of second area is 65%～75% of first area Breadth Maximum.
Vibration wax-proof viscosity reducing vibrating reed is annular, and a plurality of gap are along the radially setting of this annular, and described a plurality of gap are uniformly distributed at the edge of vibration wax-proof viscosity reducing vibrating reed.
Gap is 1/3～2/3 of vibrating reed internal-and external diameter difference along vibrating reed length radially.
A vibration anti-wax viscosity reduction apparatus, comprises the body of rod and is set in the above-mentioned vibration wax-proof viscosity reducing vibrating reed outside the body of rod.
The body of rod overlaps and has a plurality of vibration wax-proof viscosity reducing vibrating reeds successively vertically outward, and the gap of described a plurality of vibration wax-proof viscosity reducing vibrating reeds is arranged in a spiral manner.
A vibration wax-proof viscosity reducing sucker rod, contains above-mentioned vibration anti-wax viscosity reduction apparatus, and vibration anti-wax viscosity reduction apparatus is fixedly connected with one end of sucker rod body by box cupling.
The invention has the beneficial effects as follows: this vibration wax-proof viscosity reducing vibrating reed, device and sucker rod can be realized wax control and the viscosity reduction effect of common heavy oil, paraffin-troubled well, laboratory test shows, physical vibration can make viscosity of crude can reduce by 20%; Meanwhile, on-the-spot application experiment shows, installs after this vibrating reed, and hot washing period extends 60d, and oil pumper operating current reduces by 20%.So this vibration wax-proof viscosity reducing vibrating reed, device and sucker rod have the advantages that use cost is low, wax-proof viscosity reducing is effective.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, vibration wax-proof viscosity reducing vibrating reed of the present invention, device and sucker rod are described in further detail.
Fig. 1 is the use view of vibration anti-wax viscosity reduction apparatus and sucker rod.
Fig. 2 is the front view of vibration anti-wax viscosity reduction apparatus.
Fig. 3 is along the sectional view of A-A direction in Fig. 2.
Fig. 4 is along the sectional view of B-B direction in Fig. 2.
Fig. 5 is the sectional view of another kind of vibration wax-proof viscosity reducing vibrating reed.
1. oil reservoirs wherein, 2. sleeve pipe, 3. oil pipe, 4. oil well pump, 5. vibration wax-proof viscosity reducing sucker rod, 51. sucker rod bodies, 6. vibration anti-wax viscosity reduction apparatus, the 7. body of rod, 8. vibration wax-proof viscosity reducing vibrating reed, 9. gap, 91. first areas, 92. second areas, 10. nipple, 11. box cuplings.
The specific embodiment
Below in conjunction with accompanying drawing, vibration wax-proof viscosity reducing vibrating reed of the present invention, device are described in further detail.A kind of vibration anti-wax viscosity reduction apparatus, comprise the body of rod 7 and be set in a plurality of vibration wax-proof viscosity reducing vibrating reeds 8 outside the body of rod 7, the edge of vibration wax-proof viscosity reducing vibrating reed 8 is provided with at least one gap 9, gap 9 comprises the first area 91 being arranged in vibration wax-proof viscosity reducing vibrating reed 8, gap 9 also comprises the second area 92 at the edge that connects first area 91 and vibration wax-proof viscosity reducing vibrating reed 8, second area 92 is less than first area 91 along the Breadth Maximum B perpendicular to radially, as shown in Figure 1, Figure 2, Figure 3 shows along the Breadth Maximum A perpendicular to radially.
Gap 9 is duckbill in the direction perpendicular to vibration wax-proof viscosity reducing vibrating reed 8 surfaces, be that gap 9 comprises the first area 91 being arranged in vibration wax-proof viscosity reducing vibrating reed 8, gap 9 also comprises the second area 92 at the edge that connects first area 91 and vibration wax-proof viscosity reducing vibrating reed 8, as shown in Figure 3, between first area 91 and second area 92, with dotted line, cut apart, first area 91 is arc, and it is long that this arc arc length is greater than the round semicircle in this arc place, second area 92 is rectangle, and the Breadth Maximum of second area 92 is less than the Breadth Maximum of first area 91.By evidence, this duckbill gap has better flow conductivity, has simultaneously and slows down the stressed effect of sucker rod, and the brilliant destruction of wax is more obvious.First area 91 is can arc or rectangle or triangle.
In the present embodiment, the edge of first area 91 is circular arc, and the corresponding central angle of this circular arc is 300 °～320 °.Second area 92 comprises two sides, and two sides are the straight line being parallel to each other, and as shown in Figure 3, second area 92 is rectangle.The Breadth Maximum A of second area 92 is less than the Breadth Maximum B of first area 91.Or second area 92 comprises two sides, two sides can also be camber line, as shown in Figure 5.
In the present embodiment, the Breadth Maximum of second area 92 is 65%～75% of first area 91 Breadth Maximums.As shown in Figure 3, the Breadth Maximum A of second area 92 be first area 91 Breadth Maximum B 65%～75%.
Vibration wax-proof viscosity reducing vibrating reed 8 be annular, and 4～8 gap 9 are along the radially setting of this annular, and described 4～8 gap 9 are uniformly distributed at the edge that vibrates wax-proof viscosity reducing vibrating reed 8, as shown in Figure 3.
The 1/3-2/3 that gap 9 is vibration wax-proof viscosity reducing vibrating reed 8 internal-and external diameter differences along vibration wax-proof viscosity reducing vibrating reed 8 length radially, gap 9 is 1/2nd to 1/3rd of vibration wax-proof viscosity reducing vibrating reed 8 internal-and external diameter differences along vibration wax-proof viscosity reducing vibrating reed 8 length radially.
The body of rod 7 is outer is provided with a plurality of vibration wax-proof viscosity reducing vibrating reeds 8, and along the axis direction of the body of rod 7, the gap 9 of described a plurality of vibration wax-proof viscosity reducing vibrating reeds 8 is arranged in a spiral manner.As shown in Figure 3 and Figure 4, the corresponding gap 9 of adjacent two vibration wax-proof viscosity reducing vibrating reeds 8 certain angle that staggers, preferably 30 ° of this angles, are Flow Around when the fluid in oil pipe 3 moves in pipe like this, slow down flow resistance.
A kind of vibration wax-proof viscosity reducing sucker rod, this vibration wax-proof viscosity reducing sucker rod contains at least one above-mentioned vibration anti-wax viscosity reduction apparatus 6, vibration anti-wax viscosity reduction apparatus 6 is fixedly connected with one end of sucker rod body 51 by box cupling 11, as depicted in figs. 1 and 2, the two ends of vibration anti-wax viscosity reduction apparatus 6 are provided with nipple 10.
During use, contain sleeve pipe 2 in oil well, sleeve pipe 2 is outer oil reservoir 1, has oil pipe 3 in sleeve pipe 2, and oil pipe 3 contains oil well pump 4, and the top of oil well pump is connected with vibration wax-proof viscosity reducing sucker rod 5.
The course of work of this vibration anti-wax viscosity reduction apparatus is as follows: as shown in Figure 1, during oil well pump 4 down stroke, the interior fluid column weight of oil pipe 3 is transferred on oil pipe 3 by vibrating wax-proof viscosity reducing sucker rod 5, the weight that is started fluid column by top dead-centre is slowly transferred to oil pipe 3 by sucker rod 5, in the moment that is transferred to oil pipe 3 completely, the weight of the fluid column on oil pipe 3 discharges completely, oil pipe 3 produces and shrinks vibration, the effect of vibration that vibration wax-proof viscosity reducing sucker rod 5 occurs is in vibration anti-wax viscosity reduction apparatus 6, the wax that the vibration wave that vibration anti-wax viscosity reduction apparatus 6 produces acts in oil pipe 3 is brilliant, play destruction, meanwhile, sucker rod 4 moves up and down in process, and 8 pairs of interior liquid of oil pipe 3 of vibration wax-proof viscosity reducing vibrating reed play stirring action, have certain viscosity reduction and wax control result, in addition, on the vibration wax-proof viscosity reducing vibrating reed 8 on vibration wax-proof viscosity reducing sucker rod, there is gap 9, during oil pipe 3 inner fluids process gap 9, produce certain eddy oscillating, can play equally the effect of wax control, viscosity reduction.
Advantage of the present invention is to utilize the vibration in sucker rod manufacturing process and move up and down to be converted into the vibration of vibration anti-wax viscosity reduction apparatus 6, the disturbance of vibration anti-wax viscosity reduction apparatus 6 pairs of tube fluids, fluid, through the eddy oscillating of gap, reach the double effects of wax control, viscosity reduction.
The above, be only specific embodiments of the invention, can not limit the scope that invention is implemented with it, thus the displacement of its equivalent assemblies, or the equivalent variations of doing according to scope of patent protection of the present invention and modification, all should still belong to the category that this patent is contained.Between technical scheme and technical scheme, all can use by independent assortment in addition, between the technical characterictic and technical characterictic in the present invention, between technical characterictic and technical scheme.
Claims (10)
1. one kind is vibrated wax-proof viscosity reducing vibrating reed, it is characterized in that, the edge of described vibration wax-proof viscosity reducing vibrating reed (8) is provided with at least one gap (9), gap (9) comprises the first area (91) being arranged in vibration wax-proof viscosity reducing vibrating reed (8), gap (9) also comprises the second area (92) at the edge that connects first area (91) and vibration wax-proof viscosity reducing vibrating reed (8), and the Breadth Maximum of second area (92) is less than the Breadth Maximum of first area (91).
2. vibration wax-proof viscosity reducing vibrating reed according to claim 1, is characterized in that: first area (91) are arc or rectangle or triangle.
3. vibration wax-proof viscosity reducing vibrating reed according to claim 1, is characterized in that: the edge of first area (91) is circular arc, and the corresponding central angle of this circular arc is 300 °～320 °.
4. vibration wax-proof viscosity reducing vibrating reed according to claim 1, is characterized in that: second area (92) comprises two sides, and two sides are that straight line or two sides that are parallel to each other are camber line.
5. vibration wax-proof viscosity reducing vibrating reed according to claim 1, is characterized in that: the Breadth Maximum of second area (92) is 65%～75% of first area (91) Breadth Maximum.
6. vibration wax-proof viscosity reducing vibrating reed according to claim 1, it is characterized in that: vibration wax-proof viscosity reducing vibrating reed (8) is annular, a plurality of gap (9) are along the radially setting of this annular, and described a plurality of gap (9) are uniformly distributed at the edge of vibration wax-proof viscosity reducing vibrating reed (8).
7. vibration wax-proof viscosity reducing vibrating reed according to claim 6, is characterized in that: gap (9) is 1/3～2/3 of vibrating reed (8) internal-and external diameter difference along vibrating reed (8) length radially.
8. a vibration anti-wax viscosity reduction apparatus, is characterized in that, described vibration anti-wax viscosity reduction apparatus comprises the body of rod (7) and is set in the vibration wax-proof viscosity reducing vibrating reed (8) described in any one claim in the outer claim 1～7 of the body of rod (7).
9. vibration anti-wax viscosity reduction apparatus according to claim 8, it is characterized in that: the body of rod (7) is outer to be overlapped and have a plurality of vibration wax-proof viscosity reducing vibrating reeds (8) successively vertically, and the gap (9) of described a plurality of vibration wax-proof viscosity reducing vibrating reeds (8) is arranged in a spiral manner.
10. one kind is vibrated wax-proof viscosity reducing sucker rod, it is characterized in that: this vibration wax-proof viscosity reducing sucker rod contains the vibration anti-wax viscosity reduction apparatus (6) described in claim 8 or 9, vibration anti-wax viscosity reduction apparatus (6) is fixedly connected with one end of sucker rod body (51) by box cupling (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410431595.6A CN104196493B (en) | 2014-08-28 | 2014-08-28 | Vibration paraffin control viscosity reduction trembler, device and sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410431595.6A CN104196493B (en) | 2014-08-28 | 2014-08-28 | Vibration paraffin control viscosity reduction trembler, device and sucker rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104196493A true CN104196493A (en) | 2014-12-10 |
| CN104196493B CN104196493B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410431595.6A Active CN104196493B (en) | 2014-08-28 | 2014-08-28 | Vibration paraffin control viscosity reduction trembler, device and sucker rod |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563964A (en) * | 2014-12-26 | 2015-04-29 | 中国石油天然气股份有限公司 | Liquid whistle type generator under pump |
| CN113585998A (en) * | 2021-08-27 | 2021-11-02 | 西安石油大学 | Rotary vibration wax control device |
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|---|---|---|---|---|
| US5386899A (en) * | 1992-07-20 | 1995-02-07 | Sterling; Maurice | Clutch plate mechanical stabilizer |
| US20060048934A1 (en) * | 2004-09-07 | 2006-03-09 | Neil Charabin | Agitator tool |
| CN2929168Y (en) * | 2006-04-07 | 2007-08-01 | 中国石油大学(华东) | Disc sheet type vortex oscillation reducing viscosity and anti-paraffin device of oil pumping rod |
| CN201269081Y (en) * | 2008-12-22 | 2009-07-08 | 西安恒旭科技发展有限公司 | Copper-based catalyst alloy down-hole antiscaling device |
| GB2497653A (en) * | 2011-12-12 | 2013-06-19 | Jack Sealey Ltd | Scraper tool |
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-
2014
- 2014-08-28 CN CN201410431595.6A patent/CN104196493B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| US5386899A (en) * | 1992-07-20 | 1995-02-07 | Sterling; Maurice | Clutch plate mechanical stabilizer |
| US20060048934A1 (en) * | 2004-09-07 | 2006-03-09 | Neil Charabin | Agitator tool |
| CN2929168Y (en) * | 2006-04-07 | 2007-08-01 | 中国石油大学(华东) | Disc sheet type vortex oscillation reducing viscosity and anti-paraffin device of oil pumping rod |
| CN201269081Y (en) * | 2008-12-22 | 2009-07-08 | 西安恒旭科技发展有限公司 | Copper-based catalyst alloy down-hole antiscaling device |
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| Title |
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| 李晨曦: "常用物理法采油技术在油田生产的应用", 《内蒙古石油化工》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563964A (en) * | 2014-12-26 | 2015-04-29 | 中国石油天然气股份有限公司 | Liquid whistle type generator under pump |
| CN104563964B (en) * | 2014-12-26 | 2017-05-10 | 中国石油天然气股份有限公司 | Liquid whistle type generator under pump |
| CN113585998A (en) * | 2021-08-27 | 2021-11-02 | 西安石油大学 | Rotary vibration wax control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104196493B (en) | 2016-08-31 |
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