CN2342139Y - Water injection pump for oil field ground - Google Patents
Water injection pump for oil field ground Download PDFInfo
- Publication number
- CN2342139Y CN2342139Y CN 98205387 CN98205387U CN2342139Y CN 2342139 Y CN2342139 Y CN 2342139Y CN 98205387 CN98205387 CN 98205387 CN 98205387 U CN98205387 U CN 98205387U CN 2342139 Y CN2342139 Y CN 2342139Y
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- CN
- China
- Prior art keywords
- suction port
- bearing
- pump
- water injection
- injection pump
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- Expired - Fee Related
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Abstract
The utility model relates to a new water injection pump for oil field ground. A water injection pump is composed of a plurality of sections of multistage centrifugal pumps with standard length and is horizontally placed; an inhaling bearing box adopts a three-bearing support structure, two centripetal thrust bearings mainly bear axial force, and a centripetal bearing is used for positioning in the radial direction; the utility model is sealed by using an unbalanced mechanical way; an inhaling cancels a steel-backed bearing structure. The utility model solve s the water injection problem in small area oil fields, periphery oil fields and low-leakage oil fields, realizes the water source dispersion and low pressure water supply injection process of the oil fields, realizes the adjustment of the displacement and the lift head of injection, increases overflowing area, reduces throttling loss and lowers injection investment and maintenance cost.
Description
The utility model relates to ground, oil field water injection equipment, and concrete is a kind of novel oilfield ground water injection pump.
Ground, oil field water injection pump has big centrifugal pump at present; plunger pump; technology such as water filling electric pump, big centrifugal pump only is applicable to the concentrated water injection technology of big block, elephant, plunger pump is because of its amount of maintenance height; shutting down influences field produces often; the water filling electric pump is because its pump housing is elongated, and floor space is big, and is poor to neutrality; disadvantages affect such as pump efficiency is low, and maintenance cost is bigger the use of this product.
The purpose of this utility model provides a kind of novel oilfield ground water injection pump, solve small-block oilfield, peripheral oil field, water injection in low-permeability oilfield problem, realize that the oil field disperses the water source, low pressure water supply water injection technology, and can realize the adjustment of water filling discharge capacity, lift, increase area of passage, reduced restriction loss, reduced water filling investment and maintenance cost.
The purpose of this utility model is achieved in that
A kind of novel oilfield ground water injection pump, comprise base, motor, Pump Suction Nozzle parts and water injection pump, motor is connected through the end of coupling with the suction port axle of Pump Suction Nozzle parts, water injection pump is connected in the suction port axle with the pump joint, water injection pump is installed on the adjustable for height pump supporting leg, it is characterized in that:
A, water injection pump 4 are formed horizontal positioned by the number joint multistage centrifugal pump of gage length;
B, the front end of sucting inlet part 3 is a bearing housing 22, the bearing housing rear end is connected in suction port cavity 21, this suction port cavity is bearing on the suction port base 14, at the center of sucting inlet part 3 suction port axle 15 is housed, the front end of this suction port axle 15 is supported on bearing housing 22 with two radial thrust bearing 18A and 18B and a radial bearing 8, carriage 20 and spacer 21 are housed between each bearing, in the outermost bearing 18A, outer shroud is spacing by the bearing gland 17 that is contained in the locking nut 16 on the suction port axle 15 and be contained on the bearing housing 22 respectively, the middle part of described suction port axle 15 is to seal 10 with the seal isolation of bearing chamber 21 with 12 one-tenth waterproof of suction port cavity, sealing 10 is spacing by sealing gland 9, and the end of suction port axle 15 is connected in pump joint 13 by spline 11.
Shaft joint 2 between described motor 1 and the sucting inlet part 3 adopts the diaphragm shaft joint.
The unbalanced mechanical seal structure is adopted in the sealing 10 of described suction port.
The utility model has following actively useful effect:
1, adopts the more piece standard knot long, realize the adjustable of water filling discharge capacity and lift.
2, suck bearing housing and adopt three bearing structures, wherein two radial thrust bearings mainly bear axial force and part radial force, and a radial bearing is used for bearing radial force and radial location, thereby running is stable.
3, unbalanced mechanical seal is adopted in sealing, and suction port has been cancelled the steel-backed bearing structure in the prior art, has increased area of passage, reduces restriction loss.
The utility model has realized that low pressure comes water, disperses the low permeability oil field at water source, the needs of small-block oilfield water filling, greatly reduces oil-field flooding high pressure pipe network investment cost, and this product sealing is reliable, can use fully in the open; Adopt multistagely, the more piece centrifugal pump structure can be realized the adjustment needs of oil-field flooding discharge capacity and lift, also greatly reduces maintenance cost simultaneously; The multistage centrifugal pump diameter variation has further improved pump efficiency, has reduced energy consumption.
Now in conjunction with the accompanying drawings with preferred embodiment:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the detail of construction of Pump Suction Nozzle parts among Fig. 1.
Accompanying drawing number:
1. motor 2. diaphragm couplings 3. sucting inlet parts
4. multistage centrifugal pump 5. pump discharges 6. pump supporting legs
7. motor base 8. radial bearings 9. sealing glands
10. seal 11. spline housings, 12. suction port cavitys
13. pump joint 14. suction port bases 15. suction port axles
16. female 17. bearing glands, 18. radial thrust bearings of locking sieve
19. pump nozzle 20. carriages 21. spacers
22. bearing housing
Ground, oil field of the present utility model water injection pump, comprise base, motor, Pump Suction Nozzle parts and water injection pump, motor is connected through the end of coupling with the suction port axle of Pump Suction Nozzle parts, water injection pump is connected in the suction port axle with the pump joint, water injection pump is installed on the adjustable for height pump supporting leg, please refer to Fig. 1 Fig. 2.
A, water injection pump 4 are formed horizontal positioned by the number joint multistage centrifugal pump of gage length;
B, the front end of sucting inlet part 3 is a bearing housing 22, the bearing housing rear end is connected in suction port cavity 21, this suction port cavity is bearing on the suction port base 14, at the center of sucting inlet part 3 suction port axle 15 is housed, the front end of this suction port axle 15 is supported on bearing housing 22 with two radial thrust bearing 18A and 18B and a radial bearing 8, carriage 20 and spacer 21 are housed between each bearing, in the outermost bearing 18A, outer shroud is spacing by the bearing gland 17 that is contained in the locking nut 16 on the suction port axle 15 and be contained on the bearing housing 22 respectively, the middle part of described suction port axle 15 is to seal 10 with the seal isolation of bearing chamber 21 with 12 one-tenth waterproof of suction port cavity, sealing 10 is spacing by sealing gland 9, and the end of suction port axle 15 is connected in pump joint 13 by spline 11.
During enforcement, the shaft joint 2 between described motor 1 and the sucting inlet part 3 adopts the diaphragm shaft joint.
The unbalanced mechanical seal structure is adopted in the sealing 10 of described suction port.
Described diaphragm shaft joint and unbalanced mechanism sealing configuration are prior art, and this specification does not describe in detail.
Design feature of the present utility model:
1, water injecting pump of the present utility model is made up of the long several sections of centrifugal multistage pump multiple centrifugal pumps of standard, shell footpath 101 The series water injecting pump, standard length is divided into 1092.2mm, two kinds of 2921mm. Shell footpath 130 serial water injecting pumps, mark Accurate joint is long for being divided into 1095mm, two kinds of 2675mm. Shell footpath 168 serial water injecting pumps, standard knot length is divided into 1132mm, two kinds of 1572mm.
2, motor is connected the employing diaphragm coupling with suction inlet.
3, the suction inlet bearing chamber adopts three bearings, and wherein two radial thrust bearings mainly bear Axial force and part radial load, a radial bearing are used for bearing radial force and radial location.
4, the unbalanced mechanical seal structure is adopted in the suction inlet sealing.
Claims (3)
1, a kind of novel oilfield ground water injection pump, comprise base, motor, Pump Suction Nozzle parts and water injection pump, motor is connected through the end of coupling with the suction port axle of Pump Suction Nozzle parts, water injection pump is connected in the suction port axle with the pump joint, water injection pump is installed on the adjustable for height pump supporting leg, it is characterized in that:
A, water injection pump 4 are formed horizontal positioned by the number joint multistage centrifugal pump of gage length;
B, the front end of sucting inlet part 3 is a bearing housing 22, the bearing housing rear end is connected in suction port cavity 21, this suction port cavity is bearing on the suction port base 14, at the center of sucting inlet part 3 suction port axle 15 is housed, the front end of this suction port axle 15 is supported on bearing housing 22 with two radial thrust bearing 18A and 18B and a radial bearing 8, carriage 20 and spacer 21 are housed between each bearing, in the outermost bearing 18A, outer shroud is spacing by the bearing gland 17 that is contained in the locking nut 16 on the suction port axle 15 and be contained on the bearing housing 22 respectively, the middle part of described suction port axle 15 is to seal 10 with the seal isolation of bearing chamber 21 with 12 one-tenth waterproof of suction port cavity, sealing 10 is spacing by sealing gland 9, and the end of suction port axle 15 is connected in pump joint 13 by spline 11.
2, novel oilfield as claimed in claim 1 ground water injection pump is characterized in that: the shaft joint 2 between described motor 1 and the sucting inlet part 3 adopts the diaphragm shaft joints.
3, novel oilfield as claimed in claim 1 ground water injection pump is characterized in that: the unbalanced mechanical seal structures are adopted in the sealing 10 of described suction port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98205387 CN2342139Y (en) | 1998-06-22 | 1998-06-22 | Water injection pump for oil field ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98205387 CN2342139Y (en) | 1998-06-22 | 1998-06-22 | Water injection pump for oil field ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2342139Y true CN2342139Y (en) | 1999-10-06 |
Family
ID=33961791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98205387 Expired - Fee Related CN2342139Y (en) | 1998-06-22 | 1998-06-22 | Water injection pump for oil field ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2342139Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458181C (en) * | 2007-01-30 | 2009-02-04 | 镇江正汉泵业有限公司 | Installation method of vertical bittern transfer pump |
| CN103216467A (en) * | 2013-05-10 | 2013-07-24 | 天津荣亨集团股份有限公司 | Novel multilevel horizontal centrifugal pump |
| CN105579710A (en) * | 2013-07-24 | 2016-05-11 | 通用电气石油和天然气Esp公司 | Fixed suction chamber with rear and front seal removal |
-
1998
- 1998-06-22 CN CN 98205387 patent/CN2342139Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458181C (en) * | 2007-01-30 | 2009-02-04 | 镇江正汉泵业有限公司 | Installation method of vertical bittern transfer pump |
| CN103216467A (en) * | 2013-05-10 | 2013-07-24 | 天津荣亨集团股份有限公司 | Novel multilevel horizontal centrifugal pump |
| CN105579710A (en) * | 2013-07-24 | 2016-05-11 | 通用电气石油和天然气Esp公司 | Fixed suction chamber with rear and front seal removal |
| CN105579710B (en) * | 2013-07-24 | 2020-03-10 | 通用电气石油和天然气Esp公司 | Stationary suction chamber with rear and front seal removal |
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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 | ||
| 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 |