CN217897850U - Direct-drive oil-gas separator - Google Patents
Direct-drive oil-gas separator Download PDFInfo
- Publication number
- CN217897850U CN217897850U CN202222156613.7U CN202222156613U CN217897850U CN 217897850 U CN217897850 U CN 217897850U CN 202222156613 U CN202222156613 U CN 202222156613U CN 217897850 U CN217897850 U CN 217897850U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- oil
- gas
- upper joint
- exhaust hole
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Separating Particles In Gases By Inertia (AREA)
- Centrifugal Separators (AREA)
Abstract
The utility model relates to a direct drive oil and gas separator. The problem that the oil well can not produce oil due to the fact that an oil well is prone to air lock when an existing high-gas-content oil well is used for oil extraction is mainly solved. The method is characterized in that: an air collecting cylinder (13) is arranged outside the upper section of the screw rod (1), an air collecting cavity (3) is formed between the air collecting cylinder (13) and the screw rod (1), an air inlet hole (8) is formed in the inner wall of the air collecting cavity (3), and a screw rod exhaust hole (6) is formed in the position, corresponding to the upper joint (2), of the screw rod (1); an upper joint exhaust hole (5) is formed in the side wall of the upper joint (2), and the axial position of the upper joint exhaust hole (5) corresponds to the screw rod exhaust hole (6); the upper joint (2) is provided with a plurality of axial oil inlet channels (4). The direct drive oil-gas separator can realize oil-gas separation in the oil extraction process, avoid the occurrence of air lock phenomenon of an oil well pump, improve the oil extraction efficiency and reduce the operation cost.
Description
Technical Field
The utility model relates to an oil field oil recovery field, a direct drive oil and gas separator specifically says so.
Background
At present, after many years of exploitation, produced well fluid contains a large amount of water and gas besides oil, especially for high-gas-content oil wells, the oil pumping system is unstable due to the existence of gas, and gas lock can occur in an oil well pump in serious cases, so that the oil well cannot produce oil due to the fact that the pump cannot suck the well fluid, and the operation cost is increased.
Disclosure of Invention
In order to overcome current high gassiness oil well oil-well when oil recovery easily appear the gas lock and cause the oil well not to produce the not enough of oil, the utility model provides a direct drive oil and gas separator, this direct drive oil and gas separator can oil recovery in-process realize oil-gas separation, avoids the oil-well pump gas lock phenomenon to appear, improves oil recovery efficiency, reduces running cost.
The technical scheme of the utility model is that: a direct drive oil-gas separator comprises a screw rod and an outer cylinder, wherein the upper end of the outer cylinder is connected with an upper connector, a gas collecting cylinder is arranged outside the upper section of the screw rod, a gas collecting cavity is formed between the gas collecting cylinder and the screw rod, the inner wall of the gas collecting cavity is provided with a gas inlet hole, and a screw rod exhaust hole is formed in the screw rod corresponding to the upper connector; an upper joint exhaust hole is formed in the side wall of the upper joint, and the axial position of the upper joint exhaust hole corresponds to the screw rod exhaust hole; and the upper joint is provided with a plurality of axial oil inlet channels.
The gas collection cavity is positioned below the upper joint, and the lower end of the gas collection cavity is opened.
The outer barrel is characterized in that the lower end of the outer barrel is connected with a lower connector, the outer wall of the screw rod is provided with an upper end step and a lower end step respectively, the upper connector is matched with the upper end step, and the lower connector is matched with the lower end step.
The upper end of the screw rod is connected with a plunger of a screw pump, and the upper end of the upper joint is connected with a pump barrel of the screw pump.
The lower end of the screw rod is connected with a driving motor shaft, and the lower end of the lower joint is connected with a driving motor shell.
And helical blades are arranged outside the helical rod.
And the side wall of the bottom of the outer cylinder is provided with an outer cylinder liquid inlet hole.
The utility model discloses following beneficial effect has: due to the adoption of the scheme, the gas collection cavity is formed in the screw rod, when the screw rod is driven to rotate by the motor, gas containing gas is separated out by stirring of the spiral blades, the oil is collected to the inner side of the outer barrel by the centrifugal effect generated by the rotation of the screw rod and the spiral blades due to the different quality of the oil and the gas, the gas is collected to the outer side of the screw rod, in the production and operation process, the oil enters the screw pump above the oil inlet channel, the gas enters the gas collection cavity through the air inlet hole and is discharged through the air outlet hole of the screw rod and the air outlet hole of the upper connector, the gas-liquid separation in the oil extraction process is realized, the gas lock phenomenon of the oil well pump is avoided, the oil extraction efficiency is improved, and the operation cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A in fig. 1.
In the figure, 1-a screw rod, 2-an upper joint, 3-a gas collecting cavity, 4-an oil inlet channel, 5-an upper joint exhaust hole, 6-a screw rod exhaust hole, 7-an upper end step, 8-an air inlet hole, 9-a helical blade, 10-an outer cylinder, 11-a lower end step, 12-a lower joint, 13-a gas collecting cylinder and 14-an outer cylinder liquid inlet hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in figures 1 and 2, the direct-drive oil-gas separator comprises a screw rod 1 and an outer barrel 10, wherein an upper joint 2 and a lower joint 12 are connected to the upper end and the lower end of the outer barrel 10 respectively, an upper end step 7 and a lower end step 11 are arranged on the outer wall of the screw rod 1 respectively, the upper end step 7 is matched with the upper joint 2, and the lower end step 11 is matched with the lower joint 12, so that axial positioning is realized. The upper end of the direct drive oil-gas separator is connected with a screw pump, the lower end of the direct drive oil-gas separator is connected with a driving motor, the upper end of a screw rod 1 is connected with a plunger of the screw pump, the upper end of an upper joint 2 is connected with a pump cylinder of the screw pump, the lower end of the screw rod 1 is connected with a driving motor shaft, the lower end of a lower joint 12 is connected with a shell of the driving motor, and the driving motor drives the screw rod 1 to rotate, so that a screw pump on the upper portion is driven to work.
The outer wall of the screw rod 1 is provided with a helical blade 9, the outer part of the upper section of the screw rod 1 is provided with a gas collecting cylinder 13, the gas collecting cylinder 13 is positioned below the upper joint 2, a gas collecting cavity 3 is formed between the gas collecting cylinder 13 and the screw rod 1, and the lower end of the gas collecting cavity 3 is opened. An air inlet 8 is formed in the inner wall of the air collecting cavity 3, and a screw rod exhaust hole 6 is formed in the position, corresponding to the upper connector 2, of the screw rod 1; the side wall of the upper joint 2 is provided with an upper joint exhaust hole 5, the number of the upper joint exhaust hole 5 and the number of the screw rod exhaust holes 6 are not limited, the axial position of the upper joint exhaust hole 5 corresponds to the screw rod exhaust hole 6, for the purpose of smooth exhaust, the upper joint exhaust hole 5 can adopt an inclined hole with the outer part inclined upwards, and the angle of the screw rod exhaust hole 6 does not meet the requirement. And the upper joint 2 is provided with a plurality of axial oil inlet channels 4.
When the direct drive oil-gas separator works, the upper end of the direct drive oil-gas separator is connected with a screw pump, the lower end of the direct drive oil-gas separator is connected with a driving motor, the driving motor drives a screw rod 1 to rotate, gas of gas-containing liquid is separated out by stirring of helical blades 9 along with the rotation of the screw rod 1, the oil is gathered near the inner wall of an outer barrel by the centrifugal action generated by the rotation of the screw rod and the helical blades due to different qualities of the oil and the gas, and the gas is gathered near the outer side of the screw rod. When gas goes upward to the gas collecting cylinder 13, the gas enters the gas collecting cavity 3 and then enters the inner cavity of the screw rod 1 through the gas inlet hole 8, and because the axial positions of the upper joint exhaust hole 5 and the screw rod exhaust hole 6 correspond, when the screw rod 1 rotates under the driving of the driving motor, when the screw rod exhaust hole 6 rotates to be opposite to the upper joint exhaust hole 5, the gas in the cavity of the screw rod 1 can be discharged. Meanwhile, the liquid is upwards pumped to the ground by the screw pump through the oil inlet channel 4, so that gas-liquid separation is realized.
Claims (7)
1. The utility model provides a direct drive oil and gas separator, includes hob (1), urceolus (10) upper end is connected with top connection (2), its characterized in that: a gas collecting cylinder (13) is arranged outside the upper section of the screw rod (1), a gas collecting cavity (3) is formed between the gas collecting cylinder (13) and the screw rod (1), a gas inlet hole (8) is formed in the inner wall of the gas collecting cavity (3), and a screw rod exhaust hole (6) is formed in the position, corresponding to the upper joint (2), of the screw rod (1); an upper joint exhaust hole (5) is formed in the side wall of the upper joint (2), and the axial position of the upper joint exhaust hole (5) corresponds to the screw rod exhaust hole (6); a plurality of axial oil inlet channels (4) are formed in the upper joint (2).
2. The direct drive gas separator according to claim 1, wherein: the gas collection cavity (3) is positioned below the upper joint (2), and the lower end of the gas collection cavity (3) is opened.
3. The direct drive oil-gas separator according to claim 2, wherein: the outer barrel (10) lower end is connected with a lower joint (12), an upper end step (7) and a lower end step (11) are arranged on the outer wall of the screw rod (1) respectively, the upper joint (2) is matched with the upper end step (7), and the lower joint (12) is matched with the lower end step (11).
4. The direct drive oil-gas separator according to claim 3, wherein: the upper end of the screw rod (1) is connected with a plunger of a screw pump, and the upper end of the upper joint (2) is connected with a pump cylinder of the screw pump.
5. The direct drive oil-gas separator according to claim 4, wherein: the lower end of the screw rod (1) is connected with a driving motor shaft, and the lower end of the lower joint (12) is connected with a driving motor shell.
6. The direct drive gas separator according to claim 5, wherein: the outer part of the screw rod (1) is provided with a helical blade (9).
7. The direct drive oil-gas separator according to claim 6, wherein: an outer barrel liquid inlet hole (14) is formed in the side wall of the bottom of the outer barrel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222156613.7U CN217897850U (en) | 2022-08-16 | 2022-08-16 | Direct-drive oil-gas separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222156613.7U CN217897850U (en) | 2022-08-16 | 2022-08-16 | Direct-drive oil-gas separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217897850U true CN217897850U (en) | 2022-11-25 |
Family
ID=84142493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222156613.7U Active CN217897850U (en) | 2022-08-16 | 2022-08-16 | Direct-drive oil-gas separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217897850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291359A (en) * | 2023-05-18 | 2023-06-23 | 中海石油(中国)有限公司 | Dynamic cyclone pre-diversion equipment and method for oilfield gas-containing produced liquid |
-
2022
- 2022-08-16 CN CN202222156613.7U patent/CN217897850U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291359A (en) * | 2023-05-18 | 2023-06-23 | 中海石油(中国)有限公司 | Dynamic cyclone pre-diversion equipment and method for oilfield gas-containing produced liquid |
| CN116291359B (en) * | 2023-05-18 | 2023-08-15 | 中海石油(中国)有限公司 | Dynamic rotational flow pre-water pre-separation equipment for oilfield gas-containing produced liquid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217897850U (en) | Direct-drive oil-gas separator | |
| CN201412129Y (en) | Pumping and drainage gas production device of gas production well | |
| CN101191405A (en) | Rotary digging drilling machine jet flow reverse circulation rock drilling technique | |
| CN101398014B (en) | Rotating dynamical type multiphase booster pump | |
| CN201407189Y (en) | High-efficiency gas-liquid centrifugal pump | |
| CN101810944A (en) | Vortex gas-liquid separator | |
| CN202012341U (en) | High efficiency gas anchor for screw pump | |
| CN110939426B (en) | Centrifugal separation mechanism and co-well injection and production device using same | |
| CN100346053C (en) | Automatic boosting oil production and liquid discharge gas producing device and method for underwell gas | |
| CN201991749U (en) | Spiral fork type screw motor underground supercharger | |
| CN101749002A (en) | CO2 flooding anticorrosion and gas control lifting technology | |
| CN202007660U (en) | Umbrella-shaped screw gas and sand anchor | |
| CN214944878U (en) | Sectional stroke type lifting pump | |
| CN106733243B (en) | Multi-cavity cyclone type crude separation device for underground oil production | |
| CN208830972U (en) | Flow string | |
| CN219774086U (en) | Well repair bailing cylinder | |
| CN1912337A (en) | Oil production method and device of high oil-gas ratio well | |
| RU2241858C1 (en) | Submersible pumping system | |
| CN2450385Y (en) | Multi-stage high-efficiency oil-gas separator | |
| CN218759831U (en) | Oil well casing pressure boost air exhaust device | |
| RU19105U1 (en) | SUBMERSIBLE CENTRIFUGAL PUMP FOR OIL PRODUCTION FROM WELLS | |
| CN209469378U (en) | A kind of screw rod drilling tool | |
| CN2625574Y (en) | Oil extraction pipe column for screw pump | |
| CN212656806U (en) | Oil pipe strong drainage casing strong gas production system | |
| CN203783533U (en) | Oil production system of waterpower oil-submerged pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |