CN2251617Y - Obtaining oil complete sets of device by screw pump and jet pump - Google Patents
Obtaining oil complete sets of device by screw pump and jet pump Download PDFInfo
- Publication number
- CN2251617Y CN2251617Y CN 95250422 CN95250422U CN2251617Y CN 2251617 Y CN2251617 Y CN 2251617Y CN 95250422 CN95250422 CN 95250422 CN 95250422 U CN95250422 U CN 95250422U CN 2251617 Y CN2251617 Y CN 2251617Y
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- pump
- jet pump
- oil
- screw
- ground
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- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a combined oil extraction matching device for a screw pump and a jet pump. A jet pump 8 is installed under a well. A screw pump 3 is arranged on a ground to be used as a power pump of a jet pump. The conventional ground equipment of the jet pump can be simplified, defects when the screw pump and the jet pump are solely used are avoided, and the respective advantages of the screw pump and the jet pump can be exerted. The screw pump 3 is communicated with an annular space between an oil pipe and a casing pipe and an oil pipe 6 by high pressure pipe lines 5. The combined oil extraction matching device for a screw pump and a jet pump has a plurality of forms of an electric jet pump, a vertical spiral (electric) jet pump, a multistage spiral (electric) jet pump, a multi-well spiral (electric) jet pump, a multi-well multistage spiral (electric) jet pump, a ground booster pump 17 and a cyclone separator 18 which can be selected on a ground.
Description
The utility model relates to well recovery pumping equipment, belongs to screw pump and water jet pump combination oil recovery corollary apparatus.
Development period after during the oil field enters,, strata pressure descends gradually, generally adopts mechanical oil production model that the crude oil pumping is lifted to ground.Sucker rod pumping accounts for large percentage in the mechanical oil recovery, reliable operation, and working service is convenient; But the equipment initial investment of sucker-rod pumping system is more, and the workover treatment expense is higher.Along with the development of technology, screw pump oil production has obtained application, and device structure is simple, and initial investment is few, and compliance reaches low power consumption and other advantages by force; But because the complexity of underground work condition, the reliability of screw pump stator does not obtain breaking through always, and application life is short, increases the cumulative investment of equipment in the oilfield development process.In addition, the water jet pump oil recovery technique also is applied, and need not the down-hole rod member and connects and transmission of power, removes simple; But water jet pump (also claiming jet pump) oil recovery technique generally adopts three-cylinder plunger pump as kinetic pump, because plunger displacement pump has more reciprocating part, power fluid is had relatively high expectations, thereby, will comprise that in ground installation complicated power fluid separates and cleaning equipment, equipment investment is comparatively expensive.For this reason, reduce cost for oil production in the oil field development intermediary and later stages, the overall economic efficiency that improves oil field development has become the focus of people's common concern; Showing that by the field produces practice selection of oil production method will directly influence the height of cost for oil production, also is the principal element that influences the mechanical oil recovery cost; Therefore, be necessary that exploratory development technology is simple, compliance is strong, compatibility is good, the new supporting technology that small investment and economic benefit are high.
The purpose of this utility model is to avoid the deficiency that exists in the above-mentioned present technology, and a kind of corollary apparatus of giving Downhole jetting pump transmitting power liquid from ground screw pump (or horizontal electric pump) is provided.
The purpose of this utility model can reach by the following technical programs: have oil, sleeve pipe in the well of oil field, water jet pump and packer are housed on the oil pipe, wellhead assembly and transfer line are arranged on the well head.The utility model is the screw pump that is equipped with on the ground to water jet pump transmitting power liquid, and screw pump and oil, annular space and oil pipe between the sleeve pipe are communicated with.Be equipped with on the ground to water jet pump transmitting power liquid also can be horizontal electric pump, electric pump and oil, annular space and oil pipe between the sleeve pipe are communicated with, down-hole many water jet pumps that can also be installed in series, screw pump (electric pump) can vertically be installed on below the well head; For several mouthfuls of wells of well head close together, power screw pump (electric pump) with pipeline be parallel to these several mouthfuls aboveground, give the water jet pump transmitting power liquid in each well.
The utility model is compared with above-mentioned prior art has following effect: kept the underground equipment in the water jet pump oil recovery technique, and screw pump is placed on liquid is carried on ground as water jet pump kinetic pump, shortcoming when this combination has avoided two kinds of pumps to use separately, and can bring into play their advantages separately; Wherein water jet pump has the advantage that underground equipment is simple, the rountrip expense is low.Screw pump is positioned over ground,, thereby can simplifies ground installation, improve the economic benefit of oil field development because it has compliance widely to the liquid rerum natura; Screw pump is installed in ground, and its working environment is than much better in the down-hole, and the user mode that can observe it has at any time had fault in time to handle, convenient management and maintenance; As want termination of pumping, when the termination of pumping time was longer, stator can be with the rotor locking yet.
Accompanying drawing 1 is the utility model diagrammatic sketch.
Accompanying drawing 2 is the utility model ground installation schematic diagram.
Below in conjunction with accompanying drawing 1 will the utility model is described in further detail:
Shown in accompanying drawing 1, oil pipe 6 is arranged under in the pit shaft of oil well, the sleeve pipe 7 of sealing annular space, water jet pump 8 and packer 9 are equipped with in the bottom of oil pipe 6, packer 9 is annular spaces of packing oil pipe 6 lower ends, and isolated fluid directly enters annular space, and fluid can go out ground in 6 li liftings of oil pipe by water jet pump; Wellhead assembly 10 and pipeline 11 are housed on the well head.The utility model is that screw pump 3 is installed on well head ground, and annular space between screw pump 3 and oil, the sleeve pipe (6,7) and oil pipe 6 connect, and carries high voltage power liquid for water jet pump 8.
What Downhole jetting pump 8 transmitting power liquid were given in installation on the above-mentioned ground can be horizontal electric pump 3, and annular space between electric pump 3 and oil, the sleeve pipe (6,7) and oil pipe 6 connect.Screw pump 3 is driven by motor 1, and reduction box 2 is housed between them; Screw pump 3 front ends are equipped with one way valve 4, are communicated with through annular space between oil, the sleeve pipe (6,7) in high pressure line 5 and the well and oil pipe 6.The liquid source of screw pump 3 can be equipped with in addition pipeline to be supplied with, also can supply with by enumerating liquid pipeline 11 in the well, between dress flow control valve 12.Downhole jetting pump 8 also claims jet pump, and screw pump 3 is installed in ground, and two pumps are combined as spiral shell spray pump (3,8).Wherein the screw pump pump housing can be installed in (the following pump degree of depth is no more than the following 15M of well head) in the well head, and surface driving equipment still more than well head, at this moment also should increase an oil pipe suspension arrangement.Ground horizontal screw pump 3 can replace with the horizontal injection electric submersible pump 3 in ground, at this moment is combined as electric jet pump (3,8).For middle-deep well or deep-well, the Downhole jetting pump can be installed more than one, in appropriate depth many tandem injection pumps 8 is installed as required, is combined into multistage spiral shell spray pump and electric jet pump.For several mouthfuls of nearer wells of well head, can be parallel to several mouthfuls of aboveground kinetic pumps of making many water jet pumps with pipeline at 3, one kinetic pumps of kinetic pump of floor mounted, be combined into many wells spiral shell (or) spray pump.Can certainly be combined into the multistage spiral shells of many wells () spray pump.Kinetic pump 3 can be horizontal screw pump or horizontal electric submersible pump (also small-sized three-cylinder plunger pump can be installed under special circumstances); its function can be the Downhole jetting pump high voltage power liquid is provided; kinetic pump 3 is by motor 13; annular seal space assembly 14, sled (or base) 15; the pump housing 16 is formed; switch board 19 provides power supply and protection for motor 13, when well needs elevated pressures, can be earlier the power fluid supercharging with auxiliary pump 17.Cyclone separator 18 can separate to improve the power fluid quality output liquid, surface line flow process when pipe network 20 is well group, wherein vitals is a constant flow control valve 23, and it is antifreeze that water mixing pipeline 21 provides hot washing lotion to reach outer transfusion, and flow line 22 is transported to metering room with well output liquid.Auxiliary pump 17 and cyclone separator 18 are optional equipment.Determine whether the needs installation according to hole condition and output liquid rerum natura.
Claims (6)
1. screw pump and water jet pump oil recovery corollary apparatus, oil, sleeve pipe (6 are arranged in the well, 7), water jet pump (8) and packer (9) are housed on the oil pipe (6), wellhead assembly (10) and pipeline (11) are arranged on the well head, it is characterized in that: the screw pump (3) of giving water jet pump (8) transmitting power liquid is installed on the ground, and annular space and oil pipe between screw pump (3) and oil, the sleeve pipe (6,7) are communicated with.
2. corollary apparatus according to claim 1 is characterized in that: be equipped with on the ground to water jet pump (8) transmitting power liquid be horizontal electric pump (3), electric pump (3) and oil, annular space and oil pipe between the sleeve pipe (6,7) are communicated with.
3. corollary apparatus according to claim 1 is characterized in that: Downhole jetting pump (8) can many be installed in series, and kinetic pump (3) can vertically be installed on below the well head.
4. corollary apparatus according to claim 1 is characterized in that: for several mouthfuls of wells of well head close together, screw pump (3) with pipeline be parallel to these several mouthfuls aboveground, give each Downhole jetting pump (8) transmitting power liquid.
5. corollary apparatus according to claim 2 is characterized in that: for several mouthfuls of wells of well head close together, electric pump (3) with pipeline be parallel to these several mouthfuls aboveground, give each Downhole jetting pump (8) transmitting power liquid.
6. according to the described corollary apparatus of claim 1～5, it is characterized in that: use supercharging auxiliary pump (17) to be connected on the inlet of screw pump (electric pump) (3) on the ground, auxiliary pump (17) come to connect on the liquid pipeline cyclone separator (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95250422 CN2251617Y (en) | 1995-12-26 | 1995-12-26 | Obtaining oil complete sets of device by screw pump and jet pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95250422 CN2251617Y (en) | 1995-12-26 | 1995-12-26 | Obtaining oil complete sets of device by screw pump and jet pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2251617Y true CN2251617Y (en) | 1997-04-09 |
Family
ID=33886558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95250422 Expired - Fee Related CN2251617Y (en) | 1995-12-26 | 1995-12-26 | Obtaining oil complete sets of device by screw pump and jet pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2251617Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270649B (en) * | 2008-04-24 | 2011-10-26 | 中国海洋石油总公司 | Down-hole high pressure screw pump polymer injector system |
| CN102364042A (en) * | 2011-11-07 | 2012-02-29 | 中国石油化工股份有限公司 | Hydraulically driven oil extraction device for high-inclination well |
| CN111330969A (en) * | 2020-04-10 | 2020-06-26 | 中节能大地（杭州）环境修复有限公司 | Skid-mounted injection-aeration coupling equipment for polluted site remediation and using method |
-
1995
- 1995-12-26 CN CN 95250422 patent/CN2251617Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270649B (en) * | 2008-04-24 | 2011-10-26 | 中国海洋石油总公司 | Down-hole high pressure screw pump polymer injector system |
| CN102364042A (en) * | 2011-11-07 | 2012-02-29 | 中国石油化工股份有限公司 | Hydraulically driven oil extraction device for high-inclination well |
| CN111330969A (en) * | 2020-04-10 | 2020-06-26 | 中节能大地（杭州）环境修复有限公司 | Skid-mounted injection-aeration coupling equipment for polluted site remediation and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |