CN202215233U - Liquid level automatic monitoring device for low pressure oil wells - Google Patents
Liquid level automatic monitoring device for low pressure oil wells Download PDFInfo
- Publication number
- CN202215233U CN202215233U CN2011202850892U CN201120285089U CN202215233U CN 202215233 U CN202215233 U CN 202215233U CN 2011202850892 U CN2011202850892 U CN 2011202850892U CN 201120285089 U CN201120285089 U CN 201120285089U CN 202215233 U CN202215233 U CN 202215233U
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- liquid level
- wave generating
- automaton
- sound wave
- low pressure
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Abstract
The utility model relates to a liquid level automatic monitoring device for low pressure oil wells, which is suitable for low pressure oil wells having surface casing pressure ranging from 0.05-5MPa and can utilize self casing pipe gas of the oil wells for testing depth of the liquid level. The liquid level automatic monitoring device for low pressure oil wells comprises a shelter casing, a partition board, an oil well casing pipe connection connector, an automatic control device, a microphone and a pressure sensor. A gas sound wave generating device is arranged in the shelter casing, the front end of the gas sound wave generating device is communicated with the outside of the partition board, and the rear end of the gas sound wave generating device is communicated with the outside of the shelter casing. The pressure sensor is arranged in the partition board, and the automatic control device is connected with the microphone, the pressure sensor and the gas sound wave generating device through leads. The liquid level automatic monitoring device can be placed in the open air for a long time requiring no person for guarding and has the advantages of being low in cost, small in volume, light in weight, simple in structure, convenient in use, safe in operation and the like.
Description
Technical field
The utility model relates to a kind of monitoring device of automatic monitoring low pressure oil well dynamic oil level, belongs to petroleum production engineering oil recovery, production gas technology field, is mainly used in the liquid level of oil field low pressure oil well, the automatic continuous measurement of casing pressure.
Background technology
About tens0000 mouthfuls of the existing oil well of China, wherein 90% oil well cover is pressed in below the 5MPa, belongs to low pressure oil well, and the most of well at present domestic each oil field is all below 1MPa.
In the oil recovery process of oil field, test oil well level change is an important process.Need in one day or several days, press certain time interval repeatedly the duplicate measurements oil well annulus liquid level degree of depth and surface casing pressure.
At the liquid level automated monitor of usefulness, structure is more complicated all on the current market, and volume is huger, and cost is higher.Internal construction mostly comprises pressure equaliser and display keyboard equipment etc., and an equipment is greatly about about 50,000 yuan.Along with popularizing of digitlization oil field, the demand of this type automatic equipment has the very big market space, because the existing equipment price is higher, and complex structure, reliability is not high, has directly influenced liquid level and has monitored popularizing and promoting of this technology automatically.
Summary of the invention
The utility model provides a kind of special test suite to be pressed in the automated watch-keeping facility of the low pressure oil well level below the 5MPa, and its cost is low, volume is little, in light weight, simple in structure, easy to use.
For overcoming the above problems; The technical scheme of the utility model is following: a kind of low pressure oil well liquid level automated watch-keeping facility; Comprise protective cover housing, dividing plate, oil well casing connecting interface, automaton, microphone and pressure sensor; Be provided with the gas sound wave generating device in the protective cover housing, its front end communicates with the outside of dividing plate, and the rear end communicates with the outside of protective cover housing; Inboard at dividing plate is provided with pressure sensor, and automaton is connected with microphone, the gentle bulk acoustic wave generating means of pressure sensor through lead.
Described gas sound wave generating device comprises electromagnetic valve, strainer, connector and exhaust opening, and the inlet end of electromagnetic valve is connected with connector, and the outlet side of electromagnetic valve is connected with exhaust opening, and the front end of connector is equipped with strainer.
Communication interface is equipped with in described protective cover housing outside, and communication interface is connected with automaton through lead.
Described automaton links to each other with rechargeable battery or links to each other with outside 12-volt dc power supply through lead.
GPRS or CDMA or 3G wireless module can be installed in this device, be connected with automaton.
This low pressure oil well liquid level automated watch-keeping facility comprises structures such as automaton, gas sound wave generating device and pressure sensor; Utilize the interior gas sound source of sleeve pipe of oil-well self; Do not need heavy nitrogen cylinder and gunpowder sound bullet can test oil-well level, safe and reliable, easy to use.
Communication interface is equipped with in protective cover housing outside, and the portable computer that utilizes special-purpose handheld terminal or the communication drive software is housed can carry out various feature operation settings to this device, the read test result easily.
The outside provides 12-volt dc power supply, can save internal rechargeable batteries, and this device can be worked for a long time in the open air automatically.
GPRS or CDMA or 3G wireless module can be installed in this device, realize remote wireless control.
Compare characteristics such as the present invention has that cost is low, volume is little, in light weight, simple in structure, easy to use, handling safety with automatic monitor in the past.
Description of drawings
Fig. 1 is the structural representation of low pressure oil well liquid level automated watch-keeping facility.
The specific embodiment
As shown in Figure 1; A kind of low pressure oil well liquid level automated watch-keeping facility; Comprise protective cover housing 9, dividing plate 3, oil well casing connecting interface 1, automaton 12, microphone 2 and pressure sensor 10; Be provided with the gas sound wave generating device in the protective cover housing 9, its front end communicates with the outside of dividing plate 3, and the rear end communicates with the outside of protective cover housing 9; Be provided with pressure sensor 10 in the inboard of dividing plate 3, automaton 12 is connected with microphone 2, pressure sensor 10 gentle bulk acoustic wave generating means through lead.
Described gas sound wave generating device comprises electromagnetic valve 6, strainer 4, connector 5 and exhaust opening 7, and the inlet end of electromagnetic valve 6 is connected with connector 5, and the outlet side of electromagnetic valve 6 is connected with exhaust opening 7, and the front end of connector 5 is equipped with strainer 4.
Described protection cylinder shell 9 gets up all device covers, can make whole device rainproof.Communication interface 8 is equipped with in protective cover housing 9 outsides, and communication interface 8 is connected with automaton 12 through lead.
Described automaton 12 links to each other with rechargeable battery 13.Rechargeable battery 13 provides electric power for automaton 12; Also can be substituted, save device internal rechargeable batteries 13, realize long-term work automatically by outside 12 volts of dc sources; At any time receiving remote master control system order provides oil-well level and pressure changing in real time.
GPRS or CDMA or 3G wireless module can be installed in this device, be connected with automaton 12.
The present invention can work for a long time in the open air automatically, can be directly and the oil field digitization system supporting, also can be independently operated on remote optional position oil well, the liquid level and the pressure changing of this well is provided in real time.Thoroughly solve the potential safety hazard of expensive gunpowder sound bullet, avoided charging the inconvenient problem of nitrogen transportation and storage.Portable construction can be conveniently at the well head installing/dismounting of needs, and equipment is control fully automatically, does not need artificial the participation, has saved a large amount of manpower and materials.
Its operating principle is: this device is applicable to the low pressure oil well of surface casing pressure between 0.05-5 MPa, utilizes the sleeve pipe gas of oil-well self to test level.Open and close electromagnetic valve 6 through 12 moments of automaton, the gas in the oil well casing annular space is discharged sub-fraction suddenly, discharge from exhaust opening 7, the gas moment of this moment in well head place annular space expands, and produces the expansion shock wave.This expansion shock wave is propagated to the down-hole along casing annulus; Run into tubing coupling, phonetic symbol, the pulse of gas-liquid interface generation reflective sound wave; By the microphone 2 (patent No.: 200720013187.4) receive ping and convert the signal of telecommunication to; Control circuit through automaton 12 carries out digital processing, calculates level automatically.
Claims (5)
1. low pressure oil well liquid level automated watch-keeping facility; Comprise protective cover housing (9), dividing plate (3), oil well casing connecting interface (1), automaton (12), microphone (2) and pressure sensor (10); It is characterized in that: the protective cover housing is provided with the gas sound wave generating device in (9); Its front end communicates with the outside of dividing plate (3), and the rear end communicates with the outside of protective cover housing (9); Be provided with pressure sensor (10) in the inboard of dividing plate (3), automaton (12) is connected with microphone (2), the gentle bulk acoustic wave generating means of pressure sensor (10) through lead.
2. automated watch-keeping facility as claimed in claim 1; It is characterized in that: described gas sound wave generating device comprises electromagnetic valve (6), strainer (4), connector (5) and exhaust opening (7); The inlet end of electromagnetic valve (6) is connected with connector (5); The outlet side of electromagnetic valve (6) is connected with exhaust opening (7), and the front end of connector (5) is equipped with strainer (4).
3. according to claim 1 or claim 2 automated watch-keeping facility, it is characterized in that: communication interface (8) is equipped with in described protective cover housing (9) outside, and communication interface (8) is connected with automaton (12) through lead.
4. according to claim 1 or claim 2 automated watch-keeping facility, it is characterized in that: described automaton (12) links to each other with rechargeable battery (13) or links to each other with outside 12-volt dc power supply through lead.
5. according to claim 1 or claim 2 automated watch-keeping facility is characterized in that: GPRS or CDMA or 3G wireless module can be installed in this device, be connected with automaton (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202850892U CN202215233U (en) | 2011-08-08 | 2011-08-08 | Liquid level automatic monitoring device for low pressure oil wells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202850892U CN202215233U (en) | 2011-08-08 | 2011-08-08 | Liquid level automatic monitoring device for low pressure oil wells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202215233U true CN202215233U (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202850892U Expired - Lifetime CN202215233U (en) | 2011-08-08 | 2011-08-08 | Liquid level automatic monitoring device for low pressure oil wells |
Country Status (1)
| Country | Link |
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| CN (1) | CN202215233U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261242A (en) * | 2011-08-08 | 2011-11-30 | 岳强 | Automatic low-pressure oil well liquid level monitoring device |
| CN103015982A (en) * | 2012-12-27 | 2013-04-03 | 西安思坦仪器股份有限公司 | Automatic liquid level tester for high-temperature jacket gas oil well |
| CN104879123A (en) * | 2015-06-02 | 2015-09-02 | 中国海洋石油总公司 | Self-pressurization oil-gas well liquid level testing device |
| CN105443093A (en) * | 2015-12-16 | 2016-03-30 | 中国石油大学(北京) | Combined well mouth testing device for polymer injection well and method thereof |
| CN105569623A (en) * | 2015-12-16 | 2016-05-11 | 中国石油大学(北京) | Combined wellhead testing device for injection well and combined wellhead testing method |
| CN107218030A (en) * | 2017-07-20 | 2017-09-29 | 荆州市明德科技有限公司 | A kind of adaptive underground hydrodynamic face real-time monitoring device |
-
2011
- 2011-08-08 CN CN2011202850892U patent/CN202215233U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261242A (en) * | 2011-08-08 | 2011-11-30 | 岳强 | Automatic low-pressure oil well liquid level monitoring device |
| CN103015982A (en) * | 2012-12-27 | 2013-04-03 | 西安思坦仪器股份有限公司 | Automatic liquid level tester for high-temperature jacket gas oil well |
| CN104879123A (en) * | 2015-06-02 | 2015-09-02 | 中国海洋石油总公司 | Self-pressurization oil-gas well liquid level testing device |
| CN104879123B (en) * | 2015-06-02 | 2017-05-31 | 中国海洋石油总公司 | A kind of supercharging Oil/gas Well liquid level test device certainly |
| CN105443093A (en) * | 2015-12-16 | 2016-03-30 | 中国石油大学(北京) | Combined well mouth testing device for polymer injection well and method thereof |
| CN105569623A (en) * | 2015-12-16 | 2016-05-11 | 中国石油大学(北京) | Combined wellhead testing device for injection well and combined wellhead testing method |
| CN105443093B (en) * | 2015-12-16 | 2018-07-17 | 中国石油大学(北京) | Well head combined measuring device and its method for injection well |
| CN105569623B (en) * | 2015-12-16 | 2018-07-20 | 中国石油大学(北京) | Well head combined measuring device and its method for water injection well |
| CN107218030A (en) * | 2017-07-20 | 2017-09-29 | 荆州市明德科技有限公司 | A kind of adaptive underground hydrodynamic face real-time monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENYANG SENSOR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: YUE QIANG Effective date: 20121126 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121126 Address after: Liaoning city of Shenyang province Shenbei New Area Shenyang the scenic area Patentee after: SHENYANG SENSOR TECHNOLOGY CO., LTD. Address before: 110034 91-1, 232 North Main Street, Shenyang, Liaoning, the Yellow River Patentee before: Yue Qiang |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |