CN107989580B - Eccentric jet flow lifting device and method - Google Patents
Eccentric jet flow lifting device and method Download PDFInfo
- Publication number
- CN107989580B CN107989580B CN201610972971.1A CN201610972971A CN107989580B CN 107989580 B CN107989580 B CN 107989580B CN 201610972971 A CN201610972971 A CN 201610972971A CN 107989580 B CN107989580 B CN 107989580B
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- China
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- channel
- pump cylinder
- communicated
- nozzle
- flow
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009792 diffusion process Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000005553 drilling Methods 0.000 claims abstract description 3
- 239000012530 fluid Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/124—Adaptation of jet-pump systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
Abstract
The invention discloses an eccentric jet lifting device and a method, wherein the device comprises a pump cylinder, the pump cylinder is provided with three axial channels, namely a main channel, a downlink channel and an uplink channel, the diameter of the main channel is larger than that of the descending channel or the ascending channel, the radial direction of the lower end of the descending channel is provided with a flow channel communicated with the main channel, and the radial direction of the upper end of the ascending channel is provided with a flow channel communicated with the descending channel. The lower end of the downlink channel is blind end or is plugged by a sealing mechanism, and the upper end of the uplink channel is blind end or is plugged by a sealing mechanism. The flow passage communicated with the uplink passage and the downlink passage is formed by inwards drilling the outer wall of the pump cylinder, and the communication outside the pump cylinder of the flow passage is blocked after the flow passage is communicated. The pump cylinder of the eccentric jet lifting device is internally provided with an eccentric large-diameter pump cylinder, so that the condition that a test instrument and the like are put in a descending channel is met, and a nozzle, a throat pipe, a diffusion pipe and the like are arranged in the descending channel.
Description
Technical Field
The invention relates to an oil gas lifting process technology, in particular to an eccentric jet lifting device and a method.
Background
The jet pump is a high-efficiency lifting device, and is a rodless hydraulic oil extraction device which uses jet principle to transfer the energy of high-pressure power fluid injected into well to the produced fluid of underground oil layer. By fluid pressure energy and the conversion between the kinetic energy and the energy, the power fluid is lifted to the surface after being mixed with the formation fluid, simple structure and reliable operation.
The jet pump is divided into a central jet pump and an annular jet pump, wherein the nozzle of the central jet pump is arranged at the central position of the pump device, and the nozzle is surrounded by the suction pipeline to form an annular suction chamber; the nozzle and suction chamber of the annular jet pump are positioned opposite the central jet pump, with the working fluid surrounding the sucked fluid inlet conduit to form an annular jet.
The jet pump and the testing instrument are adopted to realize the accurate test of the liquid production profile of the oil-water well in the production state, and the method is a feasible testing method. However, the present jet pump adopts a design method of centering a nozzle or centering a suction chamber, and the design results in that the jet pump cannot pass through other large-diameter tools, such as a testing instrument and the like.
Disclosure of Invention
The invention aims to provide an eccentric jet lifting device and an eccentric jet lifting method, wherein the inside of a pump cylinder of the eccentric jet lifting device is eccentric and has a large drift diameter, so that the entering of a testing instrument and the like is met.
In order to achieve the above purpose, the invention adopts the following technical scheme that the eccentric jet lifting device comprises a pump cylinder, wherein three axial channels, namely a main channel, a downlink channel and an uplink channel, are respectively arranged on the pump cylinder, the diameter of the main channel is larger than that of the downlink channel or the uplink channel, a flow channel communicated with the main channel is arranged in the radial direction of the lower end of the downlink channel, and a flow channel communicated with the downlink channel is arranged in the radial direction of the upper end of the uplink channel.
The lower end of the downlink channel is blind end or is plugged by a sealing mechanism, and the upper end of the uplink channel is blind end or is plugged by a sealing mechanism.
The flow passage communicated with the uplink passage and the downlink passage is formed by inwards drilling the outer wall of the pump cylinder, and the communication outside the pump cylinder of the flow passage is blocked after the flow passage is communicated.
The main channel, the downlink channel and the uplink channel are all eccentric channels.
At least one uplink channel is arranged.
The down channel is internally provided with a nozzle, a supporting ring, a throat pipe, a diffusion pipe and a steady flow pipe from top to bottom in sequence, the upper end of the nozzle is provided with a compression cap, and the upper end of the pump cylinder is connected with an upper joint.
The runner that the up going channel communicates with the down going channel is located at the corresponding position of the lower end of the nozzle and the upper end of the throat.
In order to achieve the other purpose, the invention adopts the following technical scheme that when the eccentric jet lifting method is adopted, high-pressure power liquid is injected into the ground during lifting, the high-pressure power liquid enters a nozzle in a downlink channel, pressure energy is converted into kinetic energy, a low-pressure area is formed between the nozzle and a throat pipe, meanwhile, stratum fluid flows upwards through an uplink channel, is mixed with the power liquid on the ground in the low-pressure area, the mixed liquid continuously passes through a diffusion pipe and a steady flow pipe downwards, the pressure energy is increased, and the mixed liquid enters a main channel in a pump cylinder through a flow channel communicated with the main channel at the lower end of the downlink channel and is finally lifted to the ground.
Compared with the prior art, the invention has the following beneficial effects:
the pump cylinder is an eccentric pump cylinder, and the inside of the pump cylinder can pass through a testing instrument and a testing tool. And a nozzle, a throat, a diffusion pipe, a steady flow pipe and a flow passage of stratum liquid production are eccentrically arranged on the outer side of the pump cylinder. After the high-pressure power fluid on the ground enters the nozzle, the pressure energy is converted into kinetic energy, a low-pressure area is formed between the nozzle and the throat, the stratum fluid enters two eccentric stratum fluid channels under the action of the pressure of the oil layer, the stratum fluid enters the low-pressure area, two fluids form mixed fluid, and the mixed fluid passes through the diffusion pipe and is finally lifted to the ground due to the increase of the flow area, the speed is reduced, and the pressure energy is increased. The inside of the pump cylinder of the eccentric jet lifting device is eccentric large-diameter, the test instrument and the like can be put in. The nozzle, the throat pipe and the diffusion pipe have a plurality of size series according to different lifting displacement and lifting heights, so that the lifting requirements of different oil wells are met. The eccentric flow passage section through which the stratum fluid flows can be a circular section, an oblong section or other shape sections, and can be 1, 2 or more. The nozzle, the throat pipe, the diffusion pipe and the flow stabilizing pipe are fixed by a pressing cap or welding or riveting and other modes. The eccentric flow passage can be machined in one direction, and can also be machined and converged at two ends.
Drawings
FIG. 1 is a schematic diagram of a full section of an eccentric jet lifting device;
FIG. 2 is a schematic diagram of the overall cross-section of an eccentric jet lifting device pump barrel;
FIG. 3 is a schematic A-A cross-sectional view of an eccentric jet lifting device pump cylinder;
FIG. 4 is a schematic view in section B-B of an eccentric jet lifting device pump cylinder;
FIG. 5 is a schematic C-C cross-sectional view of an eccentric jet lift device.
In the figure: the device comprises an upper joint 1, a compression cap 2, a nozzle 3, a support ring 4, a throat pipe 5, a diffusion pipe 6, a steady flow pipe 7 and a pump barrel 8.
Detailed Description
The detailed description and technical content of the present invention are described below with reference to the accompanying drawings, which are provided for reference and description only, and are not intended to limit the present invention.
According to fig. 1-5, an eccentric jet lifting device and method comprises a pump cylinder 8, an upper joint 1, a compression cap 2, a nozzle 3, a support ring 4, a throat 5, a diffuser 6 and a steady flow tube 7. The upper joint 1 and the pump barrel 8 are connected and sealed through threads.
FIG. 2 is a schematic diagram of the pump barrel in full section, FIG. 3 is a schematic diagram of section A-A of the pump barrel, the pump barrel comprising 4 channels, 101, 102, 103, 104 respectively, wherein 104 is the main channel of the pump barrel, the eccentric structure, the internal being accessible to test tools, test tubing or other tools; 103 is another eccentric channel of the pump cylinder, the steady flow pipe 7, the diffusion pipe 6, the throat pipe 5, the supporting ring 4 and the nozzle 3 are sequentially arranged in the pore canal of the pump cylinder 103 from bottom to top, connection fixation and sealing are realized by utilizing connection between the compression cap 2 and the pump cylinder 8, the connection mode is shown as threaded connection, but the connection mode is not limited to threaded connection, and any other modes which can realize connection and sealing can be realized, such as welding, bonding, interference and the like. After the steady flow tube 7 is installed, the connection between the steady flow tube 7 and the channel of the pump barrel 104 is opened to form a flow channel 105, and then the communication between the flow channel 105 and the outside of the pump barrel is closed by welding or other means. The length of the support ring 4 can be changed to realize the adjustment of the throat mouth distance between the nozzle and the throat.
101 and 102 are two other eccentric channels in the pump barrel, providing an upward channel for formation fluid, and fig. 3 shows an elongated channel, which is not limited to any channel capable of realizing liquid flow, such as an elongated channel, a rectangle, a circle, a star, etc. The upward passage of formation fluid is not limited to the 2, 1, 2, 3, or more shown in fig. 3. The three channels 101, 102, 103 shown in fig. 3 are merely one example, and other arrangements are possible.
After the throat 5, the support ring 4 and the nozzle 3 are assembled, the connections between the channel 101 and the channel 103 and between the channel 102 and the channel 103 are respectively opened at the corresponding positions of the lower end of the nozzle 3 and the upper end of the throat 5, as shown in fig. 5, channels 106 and 107 are formed, and then the communication between the channel 106 and the outside of the pump cylinder and the communication between the channel 107 and the outside of the pump cylinder are respectively closed by welding or other modes.
The 103 pore canal shown in the figure can be processed at one end as shown in fig. 2, the other end is a blind end, a mode of processing from two ends and converging in the middle can also be adopted, and a sealing mechanism can also be designed at the lower end of the flow stabilizing pipe 7. The channels 101 and 102 shown in the figure can be processed at one end as shown in fig. 4, and the other end is a blind end, or a sealing mechanism can be designed at the upper part of the pump barrel in a mode of processing from two ends and converging in the middle.
When lifting, the ground is injected with high-pressure power liquid, the high-pressure power liquid enters the nozzle 3, pressure energy is converted into kinetic energy, a low-pressure area is formed between the nozzle 3 and the throat pipe 5, meanwhile, stratum fluid flows upwards through the channels 101 and 102, the stratum fluid is mixed with the power liquid on the ground in the low-pressure area, the mixed liquid continuously passes downwards through the diffusion pipe 6 and the steady flow pipe 7, the pressure energy is increased, the mixed liquid enters the main channel in the pump barrel through a runner communicated with the main channel at the lower end of the descending channel, enters the channel 104 in the pump barrel, and finally is lifted to the ground.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the scope of the invention, but rather to limit the scope of the invention to the equivalents of the claims to which the invention pertains.
Claims (3)
1. The eccentric jet lifting device is characterized by comprising a pump barrel, wherein the pump barrel is provided with three axial channels, namely a main channel, a downlink channel and an uplink channel, the diameter of the main channel is larger than that of the downlink channel or the uplink channel, the radial direction of the lower end of the downlink channel is provided with a flow channel communicated with the main channel, and the radial direction of the upper end of the uplink channel is provided with a flow channel communicated with the downlink channel;
the lower end of the downlink channel is blind end or is blocked by a sealing mechanism, and the upper end of the uplink channel is blind end or is blocked by a sealing mechanism;
the main channel, the downlink channel and the uplink channel are all eccentric channels;
the runner communicated with the uplink channel and the downlink channel is positioned at the corresponding position of the lower end of the nozzle and the upper end of the throat pipe;
the flow channel communicated with the uplink channel and the downlink channel is formed by inwards drilling the outer wall of the pump cylinder, and the communication between the flow channel and the outer side of the pump cylinder is blocked after the flow channel is communicated with the outer wall of the pump cylinder;
a nozzle, a supporting ring, a throat, a diffusion pipe and a flow stabilizing pipe are sequentially arranged in the descending channel from top to bottom, a compression cap is arranged at the upper end of the nozzle, and the upper end of the pump cylinder is connected with an upper joint;
the inside of the main channel is provided with a test tool.
2. An eccentric jet lifting device as claimed in claim 1, wherein at least one of said upward passages is provided.
3. An eccentric jet lifting method adopting the eccentric jet lifting device as claimed in claim 1, wherein during lifting, high-pressure power liquid is injected into the ground, enters a nozzle in a downlink channel, pressure energy is converted into kinetic energy, a low-pressure area is formed between the nozzle and a throat pipe, meanwhile, stratum fluid flows upwards through an uplink channel, is mixed with the power liquid on the ground in the low-pressure area, the mixed liquid continuously passes downwards through a diffusion pipe and a steady flow pipe, the pressure energy is increased, enters a main channel in a pump cylinder through a flow channel communicated with the main channel at the lower end of the downlink channel, and finally is lifted to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972971.1A CN107989580B (en) | 2016-10-27 | 2016-10-27 | Eccentric jet flow lifting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972971.1A CN107989580B (en) | 2016-10-27 | 2016-10-27 | Eccentric jet flow lifting device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107989580A CN107989580A (en) | 2018-05-04 |
| CN107989580B true CN107989580B (en) | 2024-04-16 |
Family
ID=62029509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610972971.1A Active CN107989580B (en) | 2016-10-27 | 2016-10-27 | Eccentric jet flow lifting device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107989580B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2155792A1 (en) * | 1971-11-10 | 1973-05-17 | Eugen Soeding | Thickener/disintegrator - with eccentric screw pump and high pressure jets |
| US4183722A (en) * | 1977-06-06 | 1980-01-15 | Roeder George K | Downhole jet pumps |
| US4441861A (en) * | 1981-07-10 | 1984-04-10 | Canalizo Carlos R | Well production apparatus and method |
| CN1498303A (en) * | 2001-03-16 | 2004-05-19 | Dct | Double-cone device and pump. |
| CN2711431Y (en) * | 2004-05-21 | 2005-07-20 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Downhole jet pump |
| CN201162734Y (en) * | 2007-09-27 | 2008-12-10 | 西南石油大学 | Novel two-stage efflux pump for oil extraction |
| CN102536807A (en) * | 2012-03-02 | 2012-07-04 | 中国石油天然气股份有限公司 | Raw oil lifting system and method for conveying fluid by utilizing sliding vane pump |
| CN203321903U (en) * | 2013-04-25 | 2013-12-04 | 中国石油天然气股份有限公司 | Sand storage type hydraulic jet pump provided with two-way nozzles |
| CN103807222A (en) * | 2012-11-12 | 2014-05-21 | 天津大港油田钻采技术开发公司 | Double-pipe hydraulic jet flow pump |
| CN104364463A (en) * | 2012-06-11 | 2015-02-18 | 哈利伯顿能源服务公司 | Shunt tube connection and distribution assembly and method |
| CN206737897U (en) * | 2016-10-27 | 2017-12-12 | 中国石油化工股份有限公司 | A kind of eccentric jet lifting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0004685B1 (en) * | 2000-10-05 | 2009-01-13 | Method and device for stabilizing the production of oil wells. | |
| JP2007218094A (en) * | 2006-02-14 | 2007-08-30 | Denso Corp | Jet pump |
-
2016
- 2016-10-27 CN CN201610972971.1A patent/CN107989580B/en active Active
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|---|---|---|---|---|
| DE2155792A1 (en) * | 1971-11-10 | 1973-05-17 | Eugen Soeding | Thickener/disintegrator - with eccentric screw pump and high pressure jets |
| US4183722A (en) * | 1977-06-06 | 1980-01-15 | Roeder George K | Downhole jet pumps |
| US4441861A (en) * | 1981-07-10 | 1984-04-10 | Canalizo Carlos R | Well production apparatus and method |
| CN1498303A (en) * | 2001-03-16 | 2004-05-19 | Dct | Double-cone device and pump. |
| CN2711431Y (en) * | 2004-05-21 | 2005-07-20 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Downhole jet pump |
| CN201162734Y (en) * | 2007-09-27 | 2008-12-10 | 西南石油大学 | Novel two-stage efflux pump for oil extraction |
| CN102536807A (en) * | 2012-03-02 | 2012-07-04 | 中国石油天然气股份有限公司 | Raw oil lifting system and method for conveying fluid by utilizing sliding vane pump |
| CN104364463A (en) * | 2012-06-11 | 2015-02-18 | 哈利伯顿能源服务公司 | Shunt tube connection and distribution assembly and method |
| CN103807222A (en) * | 2012-11-12 | 2014-05-21 | 天津大港油田钻采技术开发公司 | Double-pipe hydraulic jet flow pump |
| CN203321903U (en) * | 2013-04-25 | 2013-12-04 | 中国石油天然气股份有限公司 | Sand storage type hydraulic jet pump provided with two-way nozzles |
| CN206737897U (en) * | 2016-10-27 | 2017-12-12 | 中国石油化工股份有限公司 | A kind of eccentric jet lifting device |
Non-Patent Citations (1)
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| 喷嘴偏心距对射流泵性能影响的数值模拟;鄢恒飞;龙新平;;武汉大学学报(工学版);43(01);第34-37页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107989580A (en) | 2018-05-04 |
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