CN103470232A - Production allocation machine with baffle plates - Google Patents
Production allocation machine with baffle plates Download PDFInfo
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- CN103470232A CN103470232A CN2013103872252A CN201310387225A CN103470232A CN 103470232 A CN103470232 A CN 103470232A CN 2013103872252 A CN2013103872252 A CN 2013103872252A CN 201310387225 A CN201310387225 A CN 201310387225A CN 103470232 A CN103470232 A CN 103470232A
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- oil
- blanking plug
- deflection plate
- central tube
- cylindrical shell
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Abstract
The invention discloses a production allocation machine with baffle plates. The production allocation machine comprises a barrel (3), at least one oil inlet pipe (6), a center pipe (4) and a blanking plug (1). The center pipe (4) is arranged in the barrel (3) and is connected with the inner wall of the barrel (3), and the lower end of the blanking plug (1) is arranged in the center pipe (4); the blanking plug (1) is provided with at least one oil inlet (7) and a plurality of oil outlets (8); a plurality of inner-ring baffle plates (2) are arranged on an oil outlet section of the blanking plug, and a plurality of outer-ring baffle plates (9) which are staggered from the inner-ring baffle plates (2) are arranged in the barrel. The production allocation machine with the structure has the advantages that an effect of mixing current-layer oil gas with lower-layer oil gas in the upper portion of the barrel can be effectively improved, the fluid density is uniform, flow resistance of the lower-layer oil gas between the center pipe and the barrel is reduced, and accordingly the flowability of the oil gas in oil pipes is improved.
Description
Technical field
The present invention relates to the down-hole mechanical equipment of the oil well production layer in the oil extraction in oil field field, specifically be provided with the production mandrel of deflection plate.
Background technology
The Basic Geological Characteristics of sandstone oil field is heterogeneous body, multiple zone.For avoiding interlayer interference, in giving full play to, the ability of the produce oil gas of less permeable layer, horizontal contradiction and the interlayer contradiction of further adjusting oil reservoir are outstanding, must take the oil production by layer measure, and every layer of oil production of rational allocation, carry out regulating multi-zone production rate.Separate zone oil production process pipe string adopts with one heart, eccentric production mandrel separate zone production technique has realized regulating multi-zone production rate.In production mandrel, this layer of oil gas sprays into lower floor's gas stream through blanking plug, and generally the hydrocarbon density of different oil reservoirs is variant, and when this layer of oil gas and lower floor's air-fuel mixture, better mixed effect is conducive to improve the mobility of mixed oil and gas in oil pipe.In the prior art production mandrel, this layer of mixed zone oil gas and lower floor's air-fuel mixture are insufficient, turbulence pulsation while adding on the basis of existing technology university degree layer oil gas and lower floor's air-fuel mixture just can reach better mixed effect, be conducive to improve mixed effect, promote the mobility of oil gas in oil pipe.
Summary of the invention
For reaching above-mentioned effect, the invention provides a kind of production mandrel that is provided with deflection plate, this production mandrel that is provided with deflection plate has improved in the cylindrical shell effect of this layer of oil gas and lower floor's air-fuel mixture, improves the mobility of mixed oil and gas in oil pipe.
The production mandrel that is provided with deflection plate provided by the invention, comprise cylindrical shell, at least one oil inlet pipe, central tube and blanking plug, and central tube is arranged in cylindrical shell and is connected with cylinder inboard wall, and the blanking plug lower end is arranged in central tube; Blanking plug is provided with at least one oil-in and a plurality of oil-out; Be provided with multi-turn inner ring deflection plate on fuel-displaced section of blanking plug, also be provided with the outer ring deflection plate that multi-turn and described deflection plate stagger in zone, cylinder inboard wall relevant position.
Further technical scheme is:
Oil inlet pipe is successively through cylindrical shell and central tube, and oil inlet pipe is the centering layout with oil-in.
The dead in line of cylindrical shell, central tube, blanking plug.
The oil-out position is arranged on below the height of deflection plate.
O type circle is set between blanking plug and central tube fit clearance.
The quantity of the O type circle arranged between blanking plug and central tube fit clearance is four.
Be arranged at least one oil-in of blanking plug bottom, make this layer of oil gas in many ways suck from the surrounding of oil pipe, improve to suck effect, as preferably, a plurality of side openings are uniform distribution on same circumference; Side opening and oil inlet pipe centering arrange, makes in oil inlet pipe gas stream consistent with side opening perforate direction, can reduce the resistance of this layer of oil gas from oil inlet pipe inflow blanking plug inside; Cylindrical shell, central tube, blanking plug dead in line, average blanking plug oil-feed and fuel-displaced resistance, make blanking plug oil-feed surrounding even, and blanking plug fuel-displaced each in even spray people lower floor gas stream; Four O type circles that arrange are positioned at respectively the both sides of oil-in in twos, can effectively prevent that this layer of gas stream from freely entering lower floor's gas stream by the fit clearance of blanking plug and central tube, can avoid like this this layer of inhomogeneous being distributed in lower floor's gas stream of gas stream, be up and down two, be intended to guarantee sealing effectiveness.
The present invention compared with prior art, there is following beneficial effect: the multi-turn inner ring deflection plate of design on fuel-displaced section of blanking plug, the outer ring deflection plate that on the multi-turn in zone, cylinder inboard wall relevant position and blanking plug, the inner ring deflection plate staggers, can improve flow velocity, the increase Mixed Zone flow channel length of air-fuel mixture regional fluid, the turbulent extent of lower floor's gas stream and miscella air-flow is strengthened.Thereby make this layer of oil gas and lower floor's air-fuel mixture effect better, the mixed oil and gas even density, the mobile performance of oil gas in oil pipe improves.
The accompanying drawing explanation
Fig. 1 is the partial sectional view of a specific embodiment of the production mandrel that is provided with deflection plate of the present invention;
Fig. 2 is the partial enlarged drawing that the present invention tells the fuel-displaced section sectional view in blanking plug top in the specific embodiment of the production mandrel that is provided with deflection plate.
Name corresponding to graphical indicia is called: 1, blanking plug, 2, the inner ring deflection plate, 3, cylindrical shell, 4, central tube, 5, O type circle, 6, oil inlet pipe, 7, oil-in, 8, oil-out, 9, the outer ring deflection plate.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1:
As shown in Figure 1 and Figure 2: the present embodiment comprises cylindrical shell 1, oil inlet pipe 6, central tube 4 and blanking plug 1, and central tube 4 is arranged in cylindrical shell 3 and is connected with cylindrical shell 3 inwalls, and blanking plug 1 lower end is arranged in central tube 4; Blanking plug 1 is provided with at least one oil-in 7 and a plurality of oil-out 8; Be provided with multi-turn inner ring deflection plate 2 on fuel-displaced section of blanking plug, also be provided with the outer ring deflection plate 9 that multi-turn and described deflection plate stagger in cylindrical shell 3 zones, inwall relevant position; Oil inlet pipe is successively through cylindrical shell 3 and central tube 4, and oil inlet pipe 6 is the centering layout with oil-in 7; The dead in line of cylindrical shell 3, central tube 4, blanking plug 1; The position of oil-out 8 is arranged on below the height of inner ring deflection plate 2; Between blanking plug 1 and central tube 4 fit clearances, O type circle 5 is set.
This layer of oil gas enters blanking plug 1 from oil inlet pipe 6, oil-in 7, flows into the mixed zone of lower floor's oil gas from bottom to top from oil-out 8.Lower floor's oil gas up flows from cylindrical shell 3 bottoms.The O type circle 5 arranged between blanking plug 1 and central tube 4 fit clearances, play the sealing insulating effect to this layer of oil gas and lower floor's oil gas.When flowing to inner ring deflection plate 2 and deflection plate 9 setting area, outer ring, flow regime changes: the flow velocity of lower floor's hydrocarbon fluids increases, convection current is violent with it for this layer of oil gas simultaneously injected by oil-out 8, lower floor's gas stream and miscella air-flow from the laminar flow to the turbulent flow or turbulence level strengthen, the Mixed Zone flow channel length.The variation of this flow regime, more existing production mandrel, be conducive to the mixing of nonhomogeneous density oil gas.
Embodiment 2:
As shown in Figure 1 and Figure 2: the present embodiment comprises cylindrical shell 1, oil inlet pipe 6, central tube 4 and blanking plug 1, and central tube 4 is arranged in cylindrical shell 3 and is connected with cylindrical shell 3 inwalls, and blanking plug 1 lower end is arranged in central tube 4; Blanking plug 1 is provided with at least one oil-in 7 and a plurality of oil-out 8; Be provided with multi-turn inner ring deflection plate 2 on fuel-displaced section of blanking plug, also be provided with the outer ring deflection plate 9 that multi-turn and described deflection plate stagger in cylindrical shell 3 zones, inwall relevant position, wherein, the inner ring deflection plate is for being arranged on blanking plug middle part outer wall, the circular ring plate vertical with blanking plug middle part outer wall curved surface, the outer ring deflection plate is for being arranged on cylinder inboard wall, the circular ring plate vertical with the cylinder inboard wall curved surface; Oil inlet pipe is successively through cylindrical shell 3 and central tube 4, and oil inlet pipe 6 is the centering layout with oil-in 7; The dead in line of cylindrical shell 3, central tube 4, blanking plug 1; The position of oil-out 8 is arranged on below the height of inner ring deflection plate 2; Between blanking plug 1 and central tube 4 fit clearances, O type circle 5 is set.
Be different from embodiment 1, the present embodiment is arranged on the oil-out 8 of inner ring deflection plate below 2, and its position is restricted to: be positioned at the oil-out 8 on a horizontal plane uniform on the packer casing circumference; Be necessary for inner ring deflection plate 2 thereon with oil-out 8 next-door neighbours' deflection plate, it is lower is outer ring deflection plate 9.
This layer of oil gas enters blanking plug 1 from oil inlet pipe 6, oil-in 7, injects the mixed zone of lower floor's oil gas from bottom to top from oil-out 8.Lower floor's oil gas up flows from cylindrical shell 3 bottoms.The O type circle 5 arranged between blanking plug 1 and central tube 4 fit clearances, play the sealing insulating effect to this layer of oil gas and lower floor's oil gas.When flowing to inner ring deflection plate 2 and deflection plate 9 setting area, outer ring, flow regime changes: the flow velocity of lower floor's hydrocarbon fluids increases, convection current is violent with it for this layer of oil gas simultaneously injected by oil-out 8, lower floor's gas stream and miscella air-flow from the laminar flow to the turbulent flow or turbulence level strengthen, the Mixed Zone flow channel length.Uniform setting in the plane of oil outlet 8, can guarantee that this layer of oil gas is to sneaking in lower floor's gas stream evenly, and the position of oil outlet 8 between deflection plate limits simultaneously, can reduce the fuel-displaced resistance of oil-out 8.
Claims (6)
1. be provided with the production mandrel of deflection plate, comprise cylindrical shell (3), at least one oil inlet pipe (6), central tube (4) and blanking plug (1), described central tube (5) is arranged in cylindrical shell (3) and is connected with cylindrical shell (3) inwall, described blanking plug (1) lower end is arranged in central tube (4), blanking plug (1) bottom is provided with at least one oil-in (7), top arranges a plurality of oil-outs (8), it is characterized in that: on fuel-displaced section of blanking plug (1), be provided with multi-turn inner ring deflection plate (2), also be provided with in cylindrical shell (3) upper inside wall the outer ring deflection plate (9) that multi-turn and described inner ring deflection plate (2) stagger.
2. the production mandrel that is provided with deflection plate as claimed in claim 1 is characterized in that: described oil inlet pipe (6) is successively through cylindrical shell (3) and central tube (4), and oil inlet pipe (6) and oil-in (7) centering layout.
3. the production mandrel that is provided with deflection plate as claimed in claim 1, is characterized in that: the dead in line of described cylindrical shell (3), central tube (4), blanking plug (1).
4. the production mandrel that is provided with deflection plate as claimed in claim 1, it is characterized in that: described oil-out (8) is arranged on inner ring deflection plate (2) below position.
5. be provided with as described in claim 1 the production mandrel of deflection plate, it is characterized in that: between described blanking plug (1) and central tube (4) fit clearance, O type circle (5) is set.
6. be provided with as described in claim 5 the production mandrel of deflection plate, it is characterized in that: the quantity of the O type circle (5) arranged between described blanking plug (1) and central tube (4) fit clearance is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103872252A CN103470232A (en) | 2013-08-30 | 2013-08-30 | Production allocation machine with baffle plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103872252A CN103470232A (en) | 2013-08-30 | 2013-08-30 | Production allocation machine with baffle plates |
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| Publication Number | Publication Date |
|---|---|
| CN103470232A true CN103470232A (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103872252A Pending CN103470232A (en) | 2013-08-30 | 2013-08-30 | Production allocation machine with baffle plates |
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| CN (1) | CN103470232A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044002U (en) * | 1986-10-08 | 1989-09-06 | 大庆石油管理局油田建设设计研究院 | Gas-liquid mixing flow distributor |
| CN2082758U (en) * | 1991-01-04 | 1991-08-14 | 大庆石油管理局第七采油厂 | Single-flow production sharing device of oil producing pipe column |
| CN201620853U (en) * | 2010-03-19 | 2010-11-03 | 中国石油天然气股份有限公司 | Constant-pressure gasproof pipe column of multilayer mining single pump |
| CN202157792U (en) * | 2011-06-17 | 2012-03-07 | 中国石油天然气股份有限公司 | Underground production allocation device for oil well |
| CN203452753U (en) * | 2013-08-30 | 2014-02-26 | 成都科盛石油科技有限公司 | Baffling type bottom-hole regulator |
-
2013
- 2013-08-30 CN CN2013103872252A patent/CN103470232A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2044002U (en) * | 1986-10-08 | 1989-09-06 | 大庆石油管理局油田建设设计研究院 | Gas-liquid mixing flow distributor |
| CN2082758U (en) * | 1991-01-04 | 1991-08-14 | 大庆石油管理局第七采油厂 | Single-flow production sharing device of oil producing pipe column |
| CN201620853U (en) * | 2010-03-19 | 2010-11-03 | 中国石油天然气股份有限公司 | Constant-pressure gasproof pipe column of multilayer mining single pump |
| CN202157792U (en) * | 2011-06-17 | 2012-03-07 | 中国石油天然气股份有限公司 | Underground production allocation device for oil well |
| CN203452753U (en) * | 2013-08-30 | 2014-02-26 | 成都科盛石油科技有限公司 | Baffling type bottom-hole regulator |
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Application publication date: 20131225 |