CN102297128A - Plunger and oil-well pump - Google Patents
Plunger and oil-well pump Download PDFInfo
- Publication number
- CN102297128A CN102297128A CN2011102774094A CN201110277409A CN102297128A CN 102297128 A CN102297128 A CN 102297128A CN 2011102774094 A CN2011102774094 A CN 2011102774094A CN 201110277409 A CN201110277409 A CN 201110277409A CN 102297128 A CN102297128 A CN 102297128A
- Authority
- CN
- China
- Prior art keywords
- plunger
- rotor
- rotating shaft
- spacing
- moves
- 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.)
- Granted
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 15
- 238000011109 contamination Methods 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000003027 oil sand Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Reciprocating Pumps (AREA)
Abstract
The invention provides a plunger and an oil well pump. Be equipped with the passageway of fluid circulation in the plunger, the one end of passageway is equipped with the oil-out, oil outlet department is equipped with the traveling valve, the other end of passageway is equipped with the oil inlet, oil inlet department is equipped with the standing valve, the plunger still includes: the rotator is arranged in the channel, the rotator is located between the traveling valve and the fixed valve, the rotator is provided with a rotating shaft which is parallel to the axial direction of the plunger, the rotator further comprises a rotating blade which is arranged on the rotating shaft and a support which supports the rotating shaft, the support is fixed on the inner wall of the plunger, and the rotating shaft is fixedly arranged on the support along the axial direction of the plunger. The oil-well pump includes: the plunger piston is the plunger piston described above. The invention improves the pump efficiency, removes impurities and prevents sand blocking and air locking.
Description
Technical field
The present invention relates to the oil recovery machiner field, belong to the plunger in a kind of oil well pump and the oil well pump.
Background technique
At present, common oil well pump all is by the open and close work of standing valve and traveling valve, under the big situation of sand production, air content, causes problems such as holddown, gas lock through regular meeting, influences the normal use of oil well pump; Some oil well pump works strike-ofing effect at the outside device of strike-ofing that uses of plunger, prevents the sand holddown, and still this method can not solve holddown and the leakage problem that sand card and leakage owing to plunger inside cause.
Summary of the invention
The invention provides the oil well pump that aims to provide a kind of plunger and contain this plunger, solve the sand card, thereby solve the problem of oil well pump sand card with inside from plunger.In addition, the present invention also improves the crude oil filling index, prevents gas lock, reduces wastage, and removal of contamination improves the pump efficiency gas lock, reduces wastage.
For this reason, the present invention proposes a kind of plunger, be provided with the passage of fluid flow in the described plunger, one end of described passage is provided with oil outlet, described oil outlet place is provided with traveling valve, the other end of described passage is provided with filler opening, described filler opening place is provided with standing valve, described plunger also comprises: be arranged on the rotor in the described passage, described rotor is between described traveling valve and described standing valve, described rotor has the rotating shaft of the axial setting of parallel described plunger, described rotor also comprises the support that is arranged on the rotation blade in the described rotating shaft and supports described rotating shaft, described support is fixed on the inwall of described plunger, along described plunger axially, described rotating shaft position is arranged on the described support regularly.
Further, described support is the U type, described support comprises the base plate that supports described rotating shaft, described rotating shaft is positioned at described base plate center and vertical described base plate, the axis of the vertical described plunger of described base plate, described support also comprise the same side of being positioned at described base plate and from the edge of described base plate along the two side that the direction of parallel described rotating shaft is stretched out, described two side forms the opening of U type, described base plate is the joint of the opening of the described U type of connection, described sidewall is bonded on the inwall of described plunger, and described rotation blade is arranged in the opening of described U type.
The present invention also proposes a kind of oil well pump, and described oil well pump comprises: the pump barrel that plunger is outer with being enclosed within described plunger, described plunger is foregoing plunger.
Further, described oil well pump also comprises: the sucker rod that stretches out from described passage, and be set in spacing between described sucker rod and the described pump barrel move about rotor and the snubber spacing respectively to the two ends of the described spacing rotor that moves about, described spacing move about rotor and described snubber be arranged in described sucker rod from stretching out on the part that described passage stretches out, the described spacing rotor that moves about is along axially movable being set on the described sucker rod of described sucker rod, and the described spacing rotor that moves about has the rotating shaft of the axial setting of parallel described sucker rod.
Further, the minimum distance of the described oil outlet of end distance of the described spacing rotor that moves about is smaller or equal to 300mm, described snubber is position limit pin or the positive stop lug boss that is arranged on the described sucker rod, and the described spacing rotor that moves about is that outer surface has the spiral fluted sleeve.
The described spacing rotor that moves about is a dumbbell-like shape.
Because the present invention is provided with rotating rotor in plunger inside, this rotor is realized strike-ofing and the disturbance function to plunger inside, utilize the plunger inner space to improve its inner crude oil filling index, reduce leakage, removal of contamination, improve pump efficiency, thereby solved holddown and leakage problem that sand card and leakage owing to plunger inside cause.
And then the present invention is provided with the spacing rotor that moves about at the sucker rod place, and anti-traveling valve card, leakage improve pump efficiency.
Description of drawings
Fig. 1 is the structural representation according to the plunger of first embodiment of the invention;
Fig. 2 is the structural representation according to the plunger of second embodiment of the invention;
Fig. 3 is the fixedly rotor structural representation according to the embodiment of the invention.
The drawing reference numeral explanation:
1, move about rotor 2, the spacing rotor 3 that moves about, fixedly rotor 30, support 31, base plate 33, rotating shaft 35, blade 37, sidewall 5, plunger 51, passage 53, oil outlet 54, traveling valve 55, filler opening 56, standing valve 6, sucker rod 61, position limit pin 63, boss 7, pump barrel
Embodiment
Understand for technical characteristics of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.
As depicted in figs. 1 and 2, the present invention proposes a kind of plunger 5, be provided with the passage 51 of fluid flow in the described plunger 5, fluid in the passage 51 is for example for containing the crude oil of sand, described passage 51 can be straight tubular, and an end of passage 51 is provided with oil outlet 53, and described oil outlet 53 places are provided with traveling valve 54, the other end of described passage 51 is provided with filler opening 55, and described filler opening 55 places are provided with standing valve 56.Plunger 5 can be cylindrical shape, can adopt existing various suitable construction about the structure of oil outlet 53, traveling valve 54, filler opening 55 and standing valve 56.Described plunger 5 among the present invention also comprises: be arranged on the rotor in the described passage 5, among Fig. 1, described rotor is the rotor 1 that moves about, among Fig. 2, described rotor is fixing rotor 3, these two kinds of rotors are between described traveling valve 54 and described standing valve 56, described rotor has the rotating shaft of the axial setting of parallel described plunger 5, be that described rotor rotated in passage 5 around axial (the comprising the axial consistent direction with described plunger 5) of parallel described plunger 5, realized strike-ofing and the disturbance function in plunger inside, utilize the plunger inner space to improve its inner crude oil filling index, reduce leakage, removal of contamination improves pump efficiency.
Further, as shown in Figure 1, the rotor 1 that moves about is along axially movable being arranged in the described passage of described plunger, promptly except the two ends of passage to the moving range of the rotor 1 that moves about spacing, the rotor 1 that moves about axially movable along described plunger.Can increase disturbance like this to the fluid in the passage 51.The rotor 1 that moves about can have the spiral fluted solid of rotation for outer surface.Spiral chute on the outer surface is convenient to make the fluid in the passage to form eddy flow, helps the flow disturbance in the passage is prevented the sand card, and is convenient to the inwall of plunger is strike-off.Solid of rotation for example is a Cylindrical object, and shapes such as cone table are so that can rotate in the inner chamber of plunger.The diameter of rotor 1 of moving about is slightly less than the internal diameter of plunger, and for example, the diameter of the rotor 1 that moves about will be fit to strike-off, for example, the rotor 1 that moves about is 2mm less than the numerical value of the internal diameter of plunger, and 3mm or 4mm are so that the outer surface of the rotor 1 that moves about can be removed the oil-sand in the inner chamber of plunger.Further, the rotor 1 that moves about is solid dumbbell shape, can make for stainless steel.During use, standing valve 56 is down, traveling valve 54 up, the rotor 1 that moves about near standing valve 56, can rise under cyclonic action when sucker rod is up, near traveling valve 54 for solid being convenient to the like this rotor 1 that moves about can sink to the bottom when sucker rod is descending.The rotor 1 of moving about is dumbbell shape, is small at both ends and big in the middle, and is convenient to move about under the effect of eddy flow intermediate portion and need not process spiral chute, convenient processing, weight reduction.
As shown in Figure 2, described rotor is fixing rotor 3, along described plunger axially, the fixed-site of described rotor, promptly fixedly rotor 3 can only be along the axial rotation around parallel described plunger 5, can not be along the axial translation that centers on parallel described plunger 5.
Further, fixing rotor 3 support 30 that comprises rotating shaft 33, be arranged on the rotation blade 35 in the described rotating shaft and support described rotating shaft.Adopt rotation blade and described rotating shaft 33 to fix along the axial position of described plunger, the impulse force of the fluid in the passage is converted into rotation function basically, thereby, the eddy flow ability of this rotor strengthens, usually greater than the eddy flow ability of the rotor that moves about among Fig. 1, fixedly rotor 3 is particularly useful for many oil recovery situations of shaking out.For rotating shaft 33 is fixed along the axial position of described plunger, promptly limit rotating shaft 33 and move axially, by support 30 rotating shaft 33 is fixed on the plunger 5.Described support 30 is fixed on the inwall of described plunger 5, and described rotating shaft 33 is arranged on the described support 30 regularly along the axial position of described plunger.The structure of support 30 and with the means of fixation of the inwall of plunger 5 can have multiple, can be with reference to existing relevant Placement.
Further, as shown in Figure 3, described support is the U type, described support 30 comprises the base plate 31 that supports described rotating shaft 33, described base plate 31 is bar shaped, it for example is rectangle, the axis of the vertical described plunger of described base plate, described rotating shaft 33 is positioned at described base plate 31 centers and vertical described base plate 31, and described support 30 comprises that also the same side of being positioned at described base plate and 37, two sidewalls of two sidewalls 37 that stretch out along the direction of parallel described rotating shaft from the edge of described base plate form the opening of U types, described base plate 31 is the joint of the opening of the described U type of connection, for example, two sidewalls 37 are parallel to each other, and base plate 31 is connected between two sidewalls 37.Described sidewall 37 is bonded on the inwall of described plunger, and for example, sidewall 37 is bonded in by the high-temperature polyester material on the inwall of described plunger 5, and so relative welding or other mechanical connections are bonding more convenient.The diameter of base plate 31 is less than the internal diameter of described plunger 5, and sidewall 37 forms the space that holds rotation blade 35 with base plate 31.On the feasible inwall that is fixed on plunger that fixedly rotor 3 can be stable of the set-up mode of above-mentioned U type support and rotation blade 35, and rotation blade 35 can freely rotate.
The present invention also proposes a kind of oil well pump, and described oil well pump comprises: the pump barrel 7 that plunger is outer with being enclosed within described plunger, described plunger is foregoing plunger.Further, described oil well pump also comprises: the sucker rod 6 that stretches out from described passage, and be set in spacing between described sucker rod 6 and the described pump barrel 7 move about rotor 2 and the snubber spacing respectively to the two ends of the described spacing rotor that moves about, described spacing move about rotor and described snubber be arranged in described sucker rod 6 from stretching out on the part that described passage stretches out.The spacing rotor 2 that moves about can play to oil outlet 53 places and to the disturbance between pump barrel and the plunger with to the effect of pump barrel desanding moving about on the sucker rod 6, and the distance of moving about of the spacing rotor 2 that moves about is decided on the situation of desanding.
Described spacing axially movable be set in described sucker rod 6 on of rotor 2 of moving about along described sucker rod 6, sucker rod 6 is sheathed in the pump barrel 7, the described spacing rotor 2 that moves about has the rotating shaft of the axial setting of parallel described sucker rod, the spacing rotor 2 that moves about can rotate on the sucker rod outside the oil outlet 53 6, thereby can play the effect of disturbance to oil outlet 53 places, can prevent the sand card.
Further, the described spacing rotor 2 that moves about is: outer surface has the spiral fluted sleeve, and described snubber is position limit pin 61 or the positive stop lug boss 63 that is arranged on the described sucker rod, and position limit pin 61 or positive stop lug boss 63 lay respectively at the two ends of the spacing rotor 2 that moves about.The spacing rotor 2 that moves about for example is dumbbell-like shape, helps moving about.
Spiral chute on the spacing rotor 2 that moves about is convenient to make the annular space between pump barrel 7 and the plunger 6 to form eddy flow, helps the flow disturbance in the annular space, prevents the sand card between pump barrel and the plunger, and is convenient to the inwall of pump barrel is strike-off.The diameter of the spacing rotor 2 that moves about will be fit to the inwall of pump barrel 7 is strike-off, and for example, the spacing rotor 2 that moves about is 2mm, 3mm or 4mm less than the numerical value of the internal diameter of pump barrel.The spacing rotor 2 that moves about can move on sucker rod 6, and the promptly spacing rotor 2 that moves about can move about in pump barrel, thereby the outer surface of the spacing rotor 2 that moves about can be removed the most of local oil-sand in the inner chamber of pump barrel in moving about.As depicted in figs. 1 and 2, when the spacing rotor 2 that moves about moves near oil outlet 53 places, the described oil outlet of the low order end of the spacing rotor 2 that moves about distance 53 is nearest, this distance is smaller or equal to 300mm, this distance can make to the agitation at oil outlet 53 places apparent in view and effective, effectively prevent plunger sand card, and can effectively strike-off pump barrel.
The present invention improves pump efficiency, and removal of contamination prevents sand card, gas lock.
The above only is the schematic embodiment of the present invention, is not in order to limit scope of the present invention.For each constituent element of the present invention can make up under the condition of not conflicting mutually, any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification all should belong to the scope of protection of the invention.
Claims (6)
1. plunger, be provided with the passage of fluid flow in the described plunger, one end of described passage is provided with oil outlet, described oil outlet place is provided with traveling valve, the other end of described passage is provided with filler opening, described filler opening place is provided with standing valve, it is characterized in that, described plunger also comprises: be arranged on the rotor in the described passage, described rotor is between described traveling valve and described standing valve, described rotor has the rotating shaft of the axial setting of parallel described plunger, described rotor also comprises the support that is arranged on the rotation blade in the described rotating shaft and supports described rotating shaft, described support is fixed on the inwall of described plunger, along described plunger axially, described rotating shaft position is arranged on the described support regularly.
2. plunger as claimed in claim 1, it is characterized in that, described support is the U type, described support comprises the base plate that supports described rotating shaft, the axis of the vertical described plunger of described base plate, described rotating shaft is positioned at described base plate center and vertical described base plate, described support also comprise the same side of being positioned at described base plate and from the edge of described base plate along the two side that the direction of parallel described rotating shaft is stretched out, described two side forms the opening of U type, described base plate is the joint of the opening of the described U type of connection, described sidewall is bonded on the inwall of described plunger, and described rotation blade is arranged in the opening of described U type.
3. an oil well pump is characterized in that, described oil well pump comprises: the pump barrel that plunger is outer with being enclosed within described plunger is characterized in that described plunger is each described plunger in the claim 1 to 2.
4. oil well pump as claimed in claim 3, it is characterized in that, described oil well pump also comprises: the sucker rod that stretches out from described passage, and be set in spacing between described sucker rod and the described pump barrel move about rotor and the snubber spacing respectively to the two ends of the described spacing rotor that moves about, described spacing move about rotor and described snubber be arranged in described sucker rod from stretching out on the part that described passage stretches out, the described spacing rotor that moves about is along axially movable being set on the described sucker rod of described sucker rod, and the described spacing rotor that moves about has the rotating shaft of the axial setting of parallel described sucker rod.
5. oil well pump as claimed in claim 4, it is characterized in that, the minimum distance of the described oil outlet of end distance of the described spacing rotor that moves about is smaller or equal to 300mm, described snubber is position limit pin or the positive stop lug boss that is arranged on the described sucker rod, and the described spacing rotor that moves about is that outer surface has the spiral fluted sleeve.
6. oil well pump as claimed in claim 5 is characterized in that, the described spacing rotor that moves about is a dumbbell-like shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110277409 CN102297128B (en) | 2011-09-19 | 2011-09-19 | Plunger and oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110277409 CN102297128B (en) | 2011-09-19 | 2011-09-19 | Plunger and oil-well pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102297128A true CN102297128A (en) | 2011-12-28 |
| CN102297128B CN102297128B (en) | 2013-07-31 |
Family
ID=45357751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110277409 Active CN102297128B (en) | 2011-09-19 | 2011-09-19 | Plunger and oil-well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102297128B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481541A (en) * | 2016-12-09 | 2017-03-08 | 大连凯泓科技有限公司 | Spiral groove plunger pump for water process |
| CN106894776A (en) * | 2017-04-10 | 2017-06-27 | 西南石油大学 | A kind of coal dust of coal bed gas well sucker rod pump mining carries remove device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1278769A (en) * | 1916-08-28 | 1918-09-10 | John E Shutt | Plunger for pumps. |
| CN2256472Y (en) * | 1996-10-18 | 1997-06-18 | 铁道部第十三工程局大连机械厂 | Rotary wear resistance plunger pump |
| US6481987B2 (en) * | 2001-03-19 | 2002-11-19 | Michael Brent Ford | Travelling valve for a pumping apparatus |
| CN2632341Y (en) * | 2003-08-09 | 2004-08-11 | 张晓义 | Ram rotary hollow sandproof oil-well pumps |
-
2011
- 2011-09-19 CN CN 201110277409 patent/CN102297128B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1278769A (en) * | 1916-08-28 | 1918-09-10 | John E Shutt | Plunger for pumps. |
| CN2256472Y (en) * | 1996-10-18 | 1997-06-18 | 铁道部第十三工程局大连机械厂 | Rotary wear resistance plunger pump |
| US6481987B2 (en) * | 2001-03-19 | 2002-11-19 | Michael Brent Ford | Travelling valve for a pumping apparatus |
| CN2632341Y (en) * | 2003-08-09 | 2004-08-11 | 张晓义 | Ram rotary hollow sandproof oil-well pumps |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481541A (en) * | 2016-12-09 | 2017-03-08 | 大连凯泓科技有限公司 | Spiral groove plunger pump for water process |
| CN106894776A (en) * | 2017-04-10 | 2017-06-27 | 西南石油大学 | A kind of coal dust of coal bed gas well sucker rod pump mining carries remove device and method |
| CN106894776B (en) * | 2017-04-10 | 2019-06-21 | 西南石油大学 | A kind of the coal dust carrying remove device and method of coal bed gas well sucker rod pump mining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102297128B (en) | 2013-07-31 |
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