CN206608311U - A kind of spacing controllable screen casing and all-metal screw pump - Google Patents
A kind of spacing controllable screen casing and all-metal screw pump Download PDFInfo
- Publication number
- CN206608311U CN206608311U CN201720314421.0U CN201720314421U CN206608311U CN 206608311 U CN206608311 U CN 206608311U CN 201720314421 U CN201720314421 U CN 201720314421U CN 206608311 U CN206608311 U CN 206608311U
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- China
- Prior art keywords
- stator
- controllable
- screw
- rotor
- screen casing
- Prior art date
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- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000008258 liquid foam Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005829 trimerization reaction Methods 0.000 description 1
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- Rotary Pumps (AREA)
Abstract
The utility model discloses one kind spacing controllable screen casing and all-metal screw pump, including rotor, stator, spacing controllable screen casing；The spacing controllable screen casing includes screen jacket, the controllable valve element being arranged in the middle part of shell and the sieve plate for being arranged at screen jacket lower end, and the spacing controllable screen casing is arranged at the lower end of the stator；The rotor includes fastener for sucker rod, compensating groove, screw shaft, variable-diameter joint and screw rod, the stator is provided at both ends with TBG oil pipe connection screw threads, the screw rod coordinates with stator gap, screw rod end is beyond stator lower end and is deep into anti-rotation device, the rotor is 42CrMo materials, and the stator is 38CrMoAl materials.The utility model has equipment interoperability, lower pump operation possesses controllable no killing well function, all-metal screw pump can be directly connected to sucker rod by the fastener for sucker rod of rotor, integrated work is adopted to thick oil underground well thermal recovery or note, rotor design and pump body structure are optimized, installs and safeguard easier to be flexible.
Description
Technical field
The utility model is related to oil exploration equipment field, more particularly to it is a kind of be used for during heavy crude heat extraction it is spacing can
Control screen casing and all-metal screw pump.
Background technology
A set of subsurface progressive cavity is made up of rotor, stator, the part of stator limiter 3, and various brands screw pump limiter has one
Fixed difference is not generally applicable.The oil of existing market application be broadly divided into single-screw (single screw) pump conventional screw pump, etc. the thick screw stator of wall
Pump, rigid stator+rubber rotor screw and all-metal screw pump.Either conventional screw pump still waits wall thick, rigid stator,
Elastic rotor screw pump, all different degrees of contains quality of rubber materials, increases the service life for reaching, increases screw pump oil pumping amount
Fixed purpose, but due to the presence of rubber layer, limit the radial dimension of screw pump, makes pump housing working environment degree and screw pump
Actuating speed declines, and then limits the use scope and effect of screw pump, and under high temperature action, due to rubber pair
It is sensitiveer in the reaction of gas, polymeric liquid foam and oil, therefore screw pump is operationally, its stator has in various degree
Be swelled, can so bring two difficulties：One is to be swelled excessive, moment of torsion can be caused excessive, screw pump difficulty in starting；Two be to be swelled
It is too small, screw pump inefficiency can be caused again.More have rubber at high temperature easy aging, come off, it is necessary to timely change, this is right
The operating efficiency influence of screw pump is very big, so as to cannot be used for the well of special high temperature.Has empirical statistics, domestic market contains
The oil of quality of rubber materials is not above 150 DEG C with the most heatproof of single-screw (single screw) pump, and the temperature that domestic heavy crude heat extraction generally needs exists
300 DEG C, stator, the rotor of all-metal screw pump are all made up of all-metal, primarily directed to high viscous oil high-temp thermal recovery well development,
Its heatproof is up to more than 300 DEG C, the need for can meeting high-temp thermal recovery well and applies.
At present, existing all-metal screw pump generally uses all-metal stainless steel, and rotor does planet fortune in stator
It is dynamic to carry out viscous crude extraction, generally require to set multiple universal joints and short axle between rotor-end and line shaft, number of components is more,
Install and safeguard inconvenience.
Utility model content
Part in view of the shortcomings of the prior art, the purpose of this utility model be to provide a kind of spacing controllable screen casing and
All-metal screw pump, optimizes pump body structure, equipment is installed and safeguard easier to be flexible.
The purpose of this utility model is achieved through the following technical solutions：
A kind of spacing controllable screen casing, it is characterised in that：Including screen jacket, the controllable valve element being arranged in the middle part of screen jacket
With the sieve plate for being arranged at screen jacket lower end, screen jacket upper end inner surface setting has to be set on screw thread, the controllable valve element
It is equipped with locating slot, the locating slot correspondence position of the screen jacket and controllable valve element, which is provided with positioning hole, the positioning hole, to be set
Alignment pin is equipped with, controllable valve element is fixed in screen jacket by the locating slot that the alignment pin is inserted on controllable valve element.
Further, the controllable valve element includes core body, and the core body is hollow cartridge type, and core body bottom is provided with hole, core
Valve ball, spring and porous bonnet are provided with body from bottom to top.
A kind of all-metal screw pump for including spacing controllable screen casing, the all-metal screw pump also includes rotor, stator, institute
The lower end that spacing controllable screen casing is arranged at the stator is stated, the rotor includes fastener for sucker rod, compensating groove, screw shaft, variable-diameter joint
And screw rod, the stator is provided at both ends with TBG oil pipe connection screw threads, and the screw rod coordinates with stator gap, and the rotor is
42CrMo materials, the stator is 38CrMoAl materials.
Further, the TBG oil pipes connection screw thread of the stator upper end is left-hand thread screw thread.
The utility model compared with the prior art, with advantages below and beneficial effect：
Limiter, controlled valve, the part of screen casing three are carried out ingenious fusion by the utility model, have developed spacing sieve with controllable
Pipe, with equipment interoperability, lower pump operation possesses controllable no killing well function, saves kill-job expense, can be achieved that rotor is spacing and spiral shell
The normal feed liquor of bar pump；The spacing controllable screen casing trimerization one of screw pump, it is simple and convenient, it is economical and practical, can be by the oil pumping of rotor
Bar button is directly connected to sucker rod, and carries out planetary motion using sucker rod as power transmission shaft rotor driven, to thick oil underground well thermal recovery or
Person's note adopts integrated work, optimizes pump body structure, equipment is installed and safeguard easier to be flexible.
Brief description of the drawings
Fig. 1 is spacing controllable screen casing half-section diagram of the present utility model.
Fig. 2 is the structural representation of all-metal screw pump of the present utility model.
Fig. 3 is the Section A-A structural representation of the utility model all-metal screw pump.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows：
A kind of all-metal screw pump, including rotor 1, stator 2 and spacing controllable screen casing 3, the spacing controllable screen casing 3 include
Screen jacket 301, the controllable valve element for being arranged at the middle part of screen jacket 301 and the sieve plate 303 for being arranged at the lower end of screen jacket 301,
The upper end inner surface setting of screen jacket 301 has is provided with locating slot 305, the screen casing on screw thread 304, the controllable valve element
The correspondence position of locating slot 305 of shell 301 and controllable valve element, which is provided with positioning hole 306, the positioning hole 306, is provided with positioning
Controllable valve element is fixed in screen jacket 301 by pin 307, the locating slot 305 that the alignment pin 307 is inserted on controllable valve element；
The spacing controllable screen casing 3 is arranged at the lower end of the stator 2, and the rotor 1 includes fastener for sucker rod 101, off-load
Groove 102, screw shaft 103, variable-diameter joint 104 and screw rod 105, the stator 2 are provided at both ends with TBG oil pipes connection screw thread 201, described
Screw rod 105 coordinates with the gap of stator 2, and the rotor 1 is 42CrMo materials, and the stator 2 is 38CrMoAl materials；
Further, the controllable valve element includes core body 302, and the core body 302 is hollow cartridge type, and the bottom of core body 302 is set
It is equipped with hole, core body 302 and is provided with valve ball 308, spring 309 and porous bonnet 310 from bottom to top.
Further, the TBG oil pipes connection screw thread 201 of the stator upper end is left-hand thread screw thread.
In summary, by the description of the present embodiment, those skilled in the art can be made preferably to implement this programme.
Claims (4)
1. a kind of spacing controllable screen casing, it is characterised in that：Including screen jacket, the controllable valve element being arranged in the middle part of screen jacket and
The sieve plate of screen jacket lower end is arranged at, screen jacket upper end inner surface setting has to be set on screw thread, the controllable valve element
There is a locating slot, the locating slot correspondence position of the screen jacket and controllable valve element, which is provided with positioning hole, the positioning hole, to be set
There is alignment pin, controllable valve element is fixed in screen jacket by the locating slot that the alignment pin is inserted on controllable valve element.
2. the spacing controllable screen casing of one kind according to claim 1, it is characterised in that the controllable valve element includes core body, institute
Core body is stated for hollow cartridge type, core body bottom is provided with hole, core body is provided with valve ball, spring and porous bonnet from bottom to top.
3. a kind of all-metal screw pump containing spacing controllable screen casing described in claim 1, the all-metal screw pump also includes turning
Son, stator, it is characterised in that：The spacing controllable screen casing is arranged at the lower end of the stator, the rotor include fastener for sucker rod,
Compensating groove, screw shaft, variable-diameter joint and screw rod, the stator are provided at both ends with TBG oil pipe connection screw threads, between the screw rod and stator
Gap coordinates, and the rotor is 42CrMo materials, and the stator is 38CrMoAl materials.
4. a kind of all-metal screw pump according to claim 3, it is characterised in that：The TBG oil pipes of the stator upper end connect
Screw thread is connect for left-hand thread screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314421.0U CN206608311U (en) | 2017-03-29 | 2017-03-29 | A kind of spacing controllable screen casing and all-metal screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314421.0U CN206608311U (en) | 2017-03-29 | 2017-03-29 | A kind of spacing controllable screen casing and all-metal screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608311U true CN206608311U (en) | 2017-11-03 |
Family
ID=60173160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720314421.0U Expired - Fee Related CN206608311U (en) | 2017-03-29 | 2017-03-29 | A kind of spacing controllable screen casing and all-metal screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608311U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893646A (en) * | 2017-11-15 | 2018-04-10 | 李万鹏 | All-metal screw pump Thickened oil injection-production integrated control device and method |
| WO2020151279A1 (en) * | 2019-01-25 | 2020-07-30 | 无锡恒信北石科技有限公司 | All-metal conical combined screw pump suitable for field of petroleum |
| RU2787800C1 (en) * | 2019-01-25 | 2023-01-12 | Уси Хэнсинь Бейши Текнолоджи Ко., Лтд | Screw pump for use in oil industry |
-
2017
- 2017-03-29 CN CN201720314421.0U patent/CN206608311U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893646A (en) * | 2017-11-15 | 2018-04-10 | 李万鹏 | All-metal screw pump Thickened oil injection-production integrated control device and method |
| WO2020151279A1 (en) * | 2019-01-25 | 2020-07-30 | 无锡恒信北石科技有限公司 | All-metal conical combined screw pump suitable for field of petroleum |
| RU2787800C1 (en) * | 2019-01-25 | 2023-01-12 | Уси Хэнсинь Бейши Текнолоджи Ко., Лтд | Screw pump for use in oil industry |
| US11841018B2 (en) | 2019-01-25 | 2023-12-12 | Wuxi Hengxin Beishi Technology Co., Ltd | All-metal conical combined screw pump suitable for petroleum field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220714 Address after: 257067 intersection of Naner road and Xisan Road, Dongying District, Dongying City, Shandong Province Patentee after: Dongying Cohen Petroleum Technology Service Co.,Ltd. Address before: Xi Cheng Fu Cun Fu Jie, Hebei province Tangshan City Yutian County Lin Nan Cang Town, No. 32 Patentee before: KARAMAY XIHAI PETROLEUM TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |