CN203879481U - Pumping well spiral type multi-phase separator - Google Patents
Pumping well spiral type multi-phase separator Download PDFInfo
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- CN203879481U CN203879481U CN201420202118.8U CN201420202118U CN203879481U CN 203879481 U CN203879481 U CN 203879481U CN 201420202118 U CN201420202118 U CN 201420202118U CN 203879481 U CN203879481 U CN 203879481U
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Abstract
The utility model relates to a pumping well spiral type multi-phase separator which is used for multi-phase separation of underground gas, liquid and sand in oil and gas wells. The pumping well spiral type multi-phase separator comprises a spiral separating part, a gravity separating part and a fluid flow channel part. The gravity separating part is located at the upper end of the spiral separating part, and the gravity separating part and the spiral separating part are welded in series together through a short conical pipe. The fluid flow channel part is located at the upper end of the gravity separating part. The spiral separating part comprises a screwed plug, a sand settling pipe, a centralizing head, a separating cup, a baffle, a lower outer pipe, an outer spiral pipe, a screw rod and spirals. The gravity separating part comprises an inner pipe, a lower central pipe and a sealing centralizing connector. The fluid flow channel part comprises a fluid turning connector, a short pipe, an outer pipe connector, a central pipe connector, a centralizing connector, an upper central pipe, an upper outer pipe, an exhaust valve assembly and an upper connector. The pumping well spiral type multi-phase separator is compact in structure, convenient to use and high in space utilization rate; multiple times of separation of the three phases including oil, gas and sand can be achieved; enough travel and gas storage space are available in the separating process, and separating efficiency is improved.
Description
Technical field
The utility model relates to a kind of machine and takes out the spiral multiphase separator of well, for downhole gas, liquid, the sand multi-phase separation of Oil/gas Well, belongs to petroleum gas equipment field.
Background technology
In oilfield exploitation procedure, oil well air content has significant impact to pumping efficiency of oil pump.Air content is too high, may cause oil well pump coefficient of fullness to reduce, and can gas lock occur and occurs the not fuel-displaced phenomenon of Oil/gas Well, therefore need carry out separation to a certain degree to gas-liquid in down-hole when serious.Based on gas-liquid separation mechanism such as slippage effect, centrifugal effect, trapping effect and gas cap effects, conventionally adopt at present gas anchor or underground gas-liquid separator to realize Oil-gas Separation.But common gas anchor or underground gas-liquid separator are mainly used in low gas production well, for the Oil/gas Well of high gas-liquid ratio, high yield tolerance, due to reasons such as stroke are too short, gas storage space is not enough, cause the separative efficiency of common gas anchor and underground gas-liquid separator low, it is still not obvious that pump efficiency promotes effect.
Summary of the invention
The purpose of this utility model is that it has separative efficiency feature high, simple and compact for structure in order to solve common gas anchor and the underground gas-liquid separator low problem of separative efficiency in high gas-liquid ratio, high yield tolerance well, to provide a kind of machine to take out the spiral multiphase separator of well.
The utility model is by the following technical solutions:
A kind of machine of the utility model is taken out the spiral multiphase separator of well, comprises spiral separation part, Gravity Separation part and fluid course part, and Gravity Separation part is positioned at spiral separation part upper end, and two parts are cascaded by the welding of short taper profile pipe; Fluid course part is positioned at Gravity Separation part upper end.Can be according to parameters such as Oil/gas Well gas liquid ratio, gas production, lengthen or shorten spiral separation part or Gravity Separation partial-length, obtain optimal separation effect, improve pumping efficiency of oil pump.
Described spiral separation part comprises plug, sand sediment pipe, righting head, separate cup, baffle plate, lower outer pipe, spiral outer tube, screw rod, spiral.Sand sediment pipe lower end is provided with plug, and outside, sand sediment pipe upper end is connected with inner side, lower outer pipe lower end by screw thread; A righting inner side, lower end is connected with outside, screw rod lower end by screw thread, and a righting inner side, upper end is connected with outside, spiral outer tube lower end by screw thread; Screw rod external surface is processed with the spiral of certain length; Outside, spiral outer tube lower end is provided with at least one group of baffle plate and separate cup; On spiral outer tube, separate cup correspondence position offers low inside and high outside spiral oil-in, and baffle plate cross section is triangular in shape; Lower outer pipe top is distributed with at least one high outside and low outside oil-in; Between lower outer pipe, spiral outer tube and inner tube, form lower oil inlet passage; Between spiral outer tube, screw rod, form upper oil inlet passage; Between screw rod, spiral and spiral outer tube, form volute.
Described Gravity Separation part comprises inner tube, lower center tube, sealing righting joint.Sealing righting joint lower end is connected with the spiral outer tube upper end of spiral separation part by welding; Inner tube lower end is plugged in sealing righting head, and outside, inner tube upper end is connected with inner side, outer tube joint lower end by screw thread; Lower center tube lower end utilizes short taper profile pipe to be connected with the spiral outer tube upper end of spiral separation part by welding.
Described fluid course part comprises fluid steering joint, short tube, outer tube joint, central tube joint, righting joint, upper center tube, upper exterior tube, exhaust valve complement, top connection.Fluid steering joint is plugged in inner side, inner tube upper end, and fluid steering joint lower end is connected with outside, lower center tube upper end by welding, and fluid steering joint upper end is connected with short tube lower end by welding; Outside, outer tube joint lower end is connected with inner side, lower outer pipe upper end by screw thread, and outside, outer tube joint upper end is connected with inner side, upper exterior tube lower end by screw thread, and inner side, outer tube joint upper end is connected with outside, central tube joint lower end by screw thread; Upper end of short tube outside is connected with inner side, central tube joint lower end by screw thread; Outside, righting joint lower end is plugged in central tube upper end of joint inner side, and righting upper end of joint inner side is connected with outside, upper center tube lower end by screw thread; Inner side, top connection lower end is connected with outside, upper center tube upper end by screw thread, and outside, top connection middle part is connected with inner side, upper exterior tube upper end by screw thread; Exhaust valve complement is installed on the axial installing hole in top connection middle part; On fluid steering joint, offer respectively gas break-in hole and liquid break-in hole, gas break-in hole and liquid break-in hole are crescent; Outer tube joint upper end is at least provided with a pair of circular axial airflow hole being symmetric.
Described exhaust valve complement comprises exhaust valve bonnet, outlet valve, outlet valve supporting.Exhaust valve complement is threaded to realize with the axial installing hole at top connection middle part by exhaust valve bonnet outside screw and fixes, and exhaust valve bonnet top is provided with steam vent, so that in the time of oil well pump upstroke, relies on differential pressure action that gained divided gas flow in eliminator is discharged; Outlet valve is aluminium alloys light material, discharges resistance to reduce divided gas flow.
Described central tube upper end of joint inner side is provided with annular seal groove, sealing ring is installed, for the sealing between righting joint and central tube joint in groove; Outside, described fluid steering joint middle part is provided with annular seal groove, sealing ring is installed, for the sealing between fluid steering joint and inner tube in groove; Described sealing righting head inner side is provided with annular seal groove, and sealing ring is installed in groove, for the sealing between inner tube and sealing righting head.
Advantage of the present utility model: 1, reasonable in design, compact conformation, easy to use, space availability ratio is high; 2, in different Oil/gas Well operating modes, can be according to parameters such as Oil/gas Well gas liquid ratio, gas production, lengthen or shorten spiral separation part and Gravity Separation partial-length, ensureing also can obtain higher separative efficiency in high gas-liquid ratio, high yield gas gauging well, thereby effectively improve pumping efficiency of oil pump; 3, compare with underground gas-liquid separator with common gas anchor, the utility model can be realized the separating for several times of oil, gas, sand three-phase; Separation process has enough strokes and gas storage space, has increased disengaging time, has improved separative efficiency.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of machine of the utility model is taken out the spiral multiphase separator of well;
Fig. 2 is A-A sectional drawing in Fig. 1;
Fig. 3 is the fluid course part-structure schematic diagram on Gravity Separation part of the present utility model and top;
Fig. 4 is the spiral separation part-structure schematic diagram of bottom of the present utility model.
In figure: 1. top connection, 2. exhaust valve bonnet, 3. outlet valve, 4. outlet valve supporting, 5. upper exterior tube, 6. upper center tube, 7. righting joint, 8. sealing ring, 9. central tube joint, 10. outer tube joint, 11. short tubes, 12. fluid steering joints, 13. sealing rings, 14. lower outer pipes, 15. inner tubes, 16. lower center tubes, 17. screw rods, 18. spirals, 19. plugs, 20. sand sediment pipes, 21 righting heads, 22. separate cups, 23. baffle plates, 24. spiral outer tubes, 25. sealing righting heads, 26. sealing rings.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical solution of the utility model is further described:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of machine of the utility model is taken out the spiral multiphase separator of well, be made up of spiral separation part, Gravity Separation part and fluid course part, Gravity Separation part is positioned at spiral separation part upper end, and two parts are cascaded by the welding of short taper profile pipe; Fluid course part is positioned at Gravity Separation part upper end.The each parts of three are cascaded by modes such as screw thread, welding, plug-in mountings.
As Figure 1 and Figure 4, described spiral separation part comprises plug 19, sand sediment pipe 20, righting 21, separate cup 22, baffle plate 23, lower outer pipe 14, spiral outer tube 24, screw rod 17, spiral 18.Sand sediment pipe 20 lower ends are provided with plug 19, and sand sediment pipe 20 outsides, upper end are connected with lower outer pipe 14 inner sides, lower end by screw thread; Righting 21 inner side, lower end are connected with screw rod 24 outsides, lower end by screw thread, and righting 21 inner side, upper end are connected with spiral outer tube 24 outsides, lower end by screw thread; Screw rod 17 external surfaces are processed with the spiral 18 of certain length; Spiral outer tube 24 outsides, lower end are provided with at least one group of baffle plate 23 and separate cup 22, and on spiral outer tube 24, separate cup 22 correspondence positions offer low inside and high outside spiral oil-in, and baffle plate 23 cross sections are triangular in shape; Lower outer pipe 14 tops are distributed with at least one high outside and low outside oil-in; Between lower outer pipe 14, spiral outer tube 24 and inner tube 15, form lower oil inlet passage; Between spiral outer tube 24, screw rod 17, form upper oil inlet passage; Between screw rod 17, spiral 18 and spiral outer tube 24, form volute.
As shown in Figure 1, Figure 3, described Gravity Separation part is positioned at spiral separation part upper end, and its lower end utilizes short taper profile pipe to be realized with spiral separation part and being connected by welding manner, and Gravity Separation part comprises inner tube 15, lower center tube 16, sealing righting joint 25.Sealing righting joint 25 lower ends are connected with spiral outer tube 24 upper ends by welding; Inner tube 15 lower ends are plugged in sealing righting 25, and inner tube 15 outsides, upper ends are connected with inside outer tube joint 10 lower ends by screw thread; Lower center tube 16 lower ends utilize short taper profile pipe to be connected with spiral outer tube 24 upper ends by welding.
As shown in Figure 1, Figure 2, Figure 3 shows, described fluid course part comprises fluid steering joint 12, short tube 11, outer tube joint 10, central tube joint 9, righting joint 7, upper center tube 6, upper exterior tube 5, exhaust valve complement, top connection 1.Fluid steering joint 12 is plugged in inner tube 15 inner sides, upper end, and fluid steering joint 12 lower ends are connected with lower center tube 16 outsides, upper end by welding, and fluid steering joint 12 upper ends are connected with short tube 11 lower ends by welding; Outer tube joint 10 outsides, lower end are connected with lower outer pipe 14 inner sides, upper end by screw thread, and outer tube joint 10 outsides, upper end are connected with upper exterior tube 5 inner sides, lower end by screw thread, and outer tube joint 10 inner sides, upper end are connected with central tube joint 9 outsides, lower end by screw thread; Short tube 11 outsides, upper end are connected with central tube joint 9 inner sides, lower end by screw thread; Righting joint 7 outsides, lower end are plugged in central tube joint 9 inner sides, upper end, and righting joint 7 inner sides, upper end are connected with upper center tube 6 outsides, lower end by screw thread; Top connection 1 inner side, lower end is connected with upper center tube 6 outsides, upper end by screw thread, and top connection 1 outside, middle part is connected with upper exterior tube 5 inner sides, upper end by screw thread; Exhaust valve complement is installed on the top connection 1 axial installing hole in middle part; On fluid steering joint 12, offer respectively gas break-in hole and liquid break-in hole, gas break-in hole and liquid break-in hole are crescent; Outer tube joint 10 upper ends are at least provided with a pair of circular axial airflow hole being symmetric.
As shown in Figure 1, Figure 3, exhaust valve complement comprises exhaust valve bonnet 2, outlet valve 3, outlet valve supporting 4.Exhaust valve complement is threaded to realize with the axial installing hole at top connection middle part by exhaust valve bonnet 2 outside screw and fixes, and exhaust valve bonnet 2 tops are provided with steam vent; Outlet valve 3 is aluminium alloys light material.
As shown in Fig. 1, Fig. 3, Fig. 4, for increasing gas-liquid sealing, central tube joint 9 inner sides, upper end are provided with annular seal groove, sealing ring 8 are installed, for the sealing between righting joint 7 and central tube joint 9 in groove; Fluid steering joint 12 outsides, middle part are provided with annular seal groove, sealing ring 13 are installed, for the sealing being connected between fluid steering joint 12 and inner tube 15 in groove; Sealing righting 25 inner side are provided with annular seal groove, and sealing ring 26 is installed in groove, for inner tube 15 with seal the sealing being connected between righting 25.
The use procedure of the utility model above-described embodiment and operating principle: before installation, each weldment is according to requiring welding shown in Fig. 1, Fig. 3, Fig. 4.When installation, top connection 1 and oil connection are threaded connection fixing, more successively will each section of order installation.When oil well pump upstroke, the oil-in of live crude above lower outer pipe 14 enters into by inner tube 15, the lower oil inlet passage that spiral outer tube 24 and lower outer pipe 14 form, enter by the oil-in of separate cup 22 and spiral outer tube lower end the upper oil inlet passage being formed by spiral outer tube 24 and screw rod 17 again, due to gas in live crude, sand, the density difference of liquid, in conjunction with upper, lower oil inlet passage two commutation of not good liquor stream and enough flowing times, in this process, in live crude, a large amount of solid phase sand grains is separated, isolated solid phase is passed through the deceleration of baffle plate 23 and separate cup 22 in the time of oil well pump down stroke, be precipitated to sand sediment pipe 20, can in the time of inspection pump, remove, live crude after solid phase separates is gathered in the upper oil inlet passage of spiral 18 bottoms, rely on pump intake pressure effect, enter the volute being formed by screw rod 17, spiral 18 and spiral outer tube 24, and in volute High Rotation Speed, after sufficiently long eddy flow time and distance, bubble in live crude is assembled to volute center gradually, form more air pocket and arrive volute upper end, the crude oil of removing most bubbles is got rid of to the fluid course being formed by inner tube 15 and lower center tube 16 through the oil-out of spiral outer tube 24 upper ends.The air pocket that arrives volute upper end is being mingled with a part of liquid and is entering the Gravity Separation part runner being formed by lower center tube 16 inner chambers, to obtain separating more thoroughly at this part mixture, clean gas after separation is by the gas break-in hole of passing through successively on fluid steering joint 12, axial flow hole on outer tube joint 10, annular space between central tube joint 9 and upper exterior tube 5, runner hole on righting joint 7, annular space between upper center tube 6 and upper exterior tube 5, arrive exhaust valve complement, when outlet valve 3 is opened under differential pressure action, be expelled to oil jacket annular space, and separate after the larger liquid of density will again be sink to spiral separation part, and thrown away by the oil-out of spiral outer tube 24 upper ends, the few crude oil of all air contents that are thrown out of is under oil well pump swabbing action, annular space between inner tube 15 and lower center tube 16, liquid break-in hole on fluid steering joint 12, short tube 11 endoporus, central tube joint 9 endoporus, righting joint 7 endoporus, upper center tube 6 endoporus, top connection 1 endoporus, up arrival oil well pump suction side successively, siphoned away by oil well pump.
Claims (3)
1. machine is taken out the spiral multiphase separator of well, is made up of spiral separation part, Gravity Separation part and fluid course part, it is characterized in that: Gravity Separation part is positioned at spiral separation part upper end, and two parts are cascaded by the welding of short taper profile pipe; Fluid course part is positioned at Gravity Separation part upper end; Described spiral separation part comprises plug (19), sand sediment pipe (20), righting head (21), separate cup (22), baffle plate (23), lower outer pipe (14), spiral outer tube (24), screw rod (17), spiral (18); Sand sediment pipe (20) lower end is provided with plug (19), and outside, sand sediment pipe (20) upper end is connected with inner side, lower outer pipe (14) lower end by screw thread; Inner side, righting head (21) lower end is connected with outside, screw rod (24) lower end by screw thread, and inner side, righting head (21) upper end is connected with outside, spiral outer tube (24) lower end by screw thread; Screw rod (17) external surface is processed with the spiral (18) of certain length; Spiral outer tube (24) outside, lower end is provided with at least one group of baffle plate (23) and separate cup (22), offer low inside and high outside spiral oil-in at upper separate cup (22) correspondence position of spiral outer tube (24), baffle plate (23) cross section is triangular in shape; Lower outer pipe (14) top is distributed with at least one high outside and low outside oil-in; Between lower outer pipe (14), spiral outer tube (24) and inner tube (15), form lower oil inlet passage; Between spiral outer tube (24), screw rod (17), form upper oil inlet passage; Between screw rod (17), spiral (18) and spiral outer tube (24), form volute; Described Gravity Separation part is positioned at spiral separation part upper end, and its lower end utilizes short taper profile pipe to be realized with spiral separation part and being connected by welding manner; Gravity Separation part comprises inner tube (15), lower center tube (16), sealing righting joint (25), and sealing righting joint (25) lower end is connected with spiral outer tube (24) upper end by welding; Inner tube (15) lower end is plugged in sealing righting head (25), and outside, inner tube (15) upper end is connected with inner side, outer tube joint (10) lower end by screw thread; Lower center tube (16) lower end utilizes short taper profile pipe to be connected with spiral outer tube (24) upper end by welding; Described fluid course part comprises fluid steering joint (12), short tube (11), outer tube joint (10), central tube joint (9), righting joint (7), upper center tube (6), upper exterior tube (5), exhaust valve complement, top connection (1).Fluid steering joint (12) is plugged in inner side, inner tube (15) upper end, fluid steering joint (12) lower end is connected with outside, lower center tube (16) upper end by welding, and fluid steering joint (12) upper end is connected with short tube (11) lower end by welding; Outside, outer tube joint (10) lower end is connected with inner side, lower outer pipe (14) upper end by screw thread, outside, outer tube joint (10) upper end is connected with inner side, upper exterior tube (5) lower end by screw thread, and inner side, outer tube joint (10) upper end is connected with outside, central tube joint (9) lower end by screw thread; Outside, short tube (11) upper end is connected with inner side, central tube joint (9) lower end by screw thread; Outside, righting joint (7) lower end is plugged in inner side, central tube joint (9) upper end, and inner side, righting joint (7) upper end is connected with outside, upper center tube (6) lower end by screw thread; Exhaust valve complement is installed on the axial installing hole in top connection (1) middle part.
2. a kind of machine according to claim 1 is taken out the spiral multiphase separator of well, it is characterized in that: on fluid steering joint (12), offer respectively gas break-in hole and liquid break-in hole, gas break-in hole and liquid break-in hole are crescent; Outer tube joint (10) upper end is at least provided with a pair of circular axial airflow hole being symmetric; Exhaust valve complement comprises exhaust valve bonnet (2), outlet valve (3), outlet valve supporting (4).Exhaust valve complement is threaded to realize with the axial installing hole at top connection middle part by exhaust valve bonnet (2) outside screw and fixes, and exhaust valve bonnet (2) top is provided with steam vent.
3. a kind of machine according to claim 1 is taken out the spiral multiphase separator of well, it is characterized in that: inner side, central tube joint (9) upper end is provided with annular seal groove, and sealing ring (8) is installed in groove; Outside, fluid steering joint (12) middle part is provided with annular seal groove, and sealing ring (13) is installed in groove; Sealing righting head (25) inner side is provided with annular seal groove, and sealing ring (26) is installed in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202118.8U CN203879481U (en) | 2014-04-24 | 2014-04-24 | Pumping well spiral type multi-phase separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420202118.8U CN203879481U (en) | 2014-04-24 | 2014-04-24 | Pumping well spiral type multi-phase separator |
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| Publication Number | Publication Date |
|---|---|
| CN203879481U true CN203879481U (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420202118.8U Expired - Fee Related CN203879481U (en) | 2014-04-24 | 2014-04-24 | Pumping well spiral type multi-phase separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590544A (en) * | 2018-05-15 | 2018-09-28 | 张自平 | A kind of horizontal well underground sand-prevention air trap device and application process |
| CN116291361A (en) * | 2023-04-06 | 2023-06-23 | 西南石油大学 | Underground power sand removal tool |
-
2014
- 2014-04-24 CN CN201420202118.8U patent/CN203879481U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590544A (en) * | 2018-05-15 | 2018-09-28 | 张自平 | A kind of horizontal well underground sand-prevention air trap device and application process |
| CN108590544B (en) * | 2018-05-15 | 2023-10-31 | 张自平 | Underground sand prevention and gas prevention device for horizontal well and application method |
| CN116291361A (en) * | 2023-04-06 | 2023-06-23 | 西南石油大学 | Underground power sand removal tool |
| CN116291361B (en) * | 2023-04-06 | 2023-11-07 | 西南石油大学 | Underground power sand removal tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20150424 |
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| EXPY | Termination of patent right or utility model |