CN106545320A - A kind of chemical Jing Fenzhujing layering injection rates and layering molecular weight zonal injection technology - Google Patents
A kind of chemical Jing Fenzhujing layering injection rates and layering molecular weight zonal injection technology Download PDFInfo
- Publication number
- CN106545320A CN106545320A CN201610962310.0A CN201610962310A CN106545320A CN 106545320 A CN106545320 A CN 106545320A CN 201610962310 A CN201610962310 A CN 201610962310A CN 106545320 A CN106545320 A CN 106545320A
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- China
- Prior art keywords
- molecular weight
- layering
- control device
- single phase
- hole
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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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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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
-
- 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
- E21B43/14—Obtaining from a multiple-zone well
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
Abstract
The present invention relates to technical field of oilfield tertiary oil recovery, belongs to a kind of chemical Jing Fenzhujing layering injection rates and layering molecular weight zonal injection technology.The present invention solves existing chemical flooding zonal injection technology and can not carry out the problems such as being layered injection rate and be layered molecular weight control, cannot realize remote transmission in real time.The chemical flooding dispenser of the present invention is made up of above ground portion DM and underground part DX, wherein well head wireless receiving discharger (1), intermediate communication device (2), power supply control apparatus (3), down-hole embedded measurement and control device (5), laminated distributor under well the controlling of injecting quantity device (6), down-hole molecular weight control device (7), sensor (8) is connected by single phase poaer supply line (4), above ground portion DM is also to be connected by single phase poaer supply line (4) with underground part DX, well head wireless launcher (1) is wirelessly communicated with remote terminal computer (0).The present invention has the advantages that higher realtime control and stability.
Description
Technical field
The present invention relates to technical field of oilfield tertiary oil recovery, belongs to a kind of chemical Jing Fenzhujing layering injection rates and layering point
Son amount zonal injection technology.
Background technology
Chemical flooding layering injection technique is extensively applied in Daqing oil field at present, the control of zonal flow rate and layering molecular weight
, still using traditional pulling mode changing flow-regulating components and molecular-weight adjusting element, accuracy is low, has a strong impact on for system
Chemical flooding dispensing well is layered the qualification rate of injection rate and layering molecular weight.Therefore, in order to improve chemical flooding dispensing qualification rate, improve
Production efficiency, reduces labor intensity, reduces production cost, and realization is remotely filled with to laminated distributor under well and is layered molecular weight and carries out reality
When monitoring with control, invented chemical flooding Jing Fenzhujing layering injection rate and layering molecular weight zonal injection technology.
The content of the invention
The purpose of the present invention is exactly will for the operation for meeting chemical flooding dispensing control hierarchy injection rate be layered molecular weight
Ask, devise a kind of chemical Jing Fenzhujing layering injection rates and layering molecular weight zonal injection technology, the technique solves existingization
Learn drive zonal injection technology to realize remotely laminated distributor under well injection rate and layering molecular weight being carried out implementing monitoring and control, Wu Fashi
The problems such as existing remote transmission.
A kind of chemical Jing Fenzhujing layering injection rate and layering molecular weight zonal injection technology, it is realizing by following device
's：The device is made up of above ground portion DM and underground part DX, and wherein above ground portion DM is wireless by remote terminal computer, well head
Receiving and transmitting unit, intermediate communication device, power supply control apparatus and source line group are into underground part DX is embedding by power line, down-hole
Enter formula measurement with control device, laminated distributor under well the controlling of injecting quantity device, down-hole molecular weight control device and sensor group into；Wherein
Remote terminal computer and well head wireless receiving discharger are the transmission signals by way of being wirelessly transferred, well head wireless receiving
Discharger, intermediate communication device, power supply control apparatus are connected by single phase poaer supply line；Down-hole embedded measurement and control
Device processed is connected by single phase poaer supply line with laminated distributor under well the controlling of injecting quantity device, laminated distributor under well the controlling of injecting quantity device
It is connected by single phase poaer supply line with down-hole molecular weight control device, down-hole molecular weight control device is to pass through with sensor
Single phase poaer supply line is connected, and above ground portion DM is also to be connected by single phase poaer supply line with underground part DX；It is to pass through
Following steps are realizing：
A, first by the laminated distributor under well the controlling of injecting quantity device of underground part DX, down-hole molecular weight control device, sensor group into
Separate injection tubing string under to the desired depth in dispensing well under chemical flooding；
B, utilization are operated in the remote terminal computer of above ground portion DM and send control signal, and wireless receiving discharger receives remote
Journey terminal computer sends control signal；
The control signal for receiving is sent to intermediate communication device and confession by single phase poaer supply line by c, wireless receiving discharger
Controller for electric consumption；
D, intermediate communication device and power supply control apparatus by the control signal for receiving analyzing and processing after, by single phase poaer supply line with
The mode of carrier wave passes to the down-hole embedded measurement and control device of underground part DX；
Signal is amplified by e, down-hole embedded measurement and control device, is passed by way of single phase poaer supply line is with data communication
To laminated distributor under well the controlling of injecting quantity device, down-hole molecular weight control device and sensor；
F, laminated distributor under well the controlling of injecting quantity device, down-hole molecular weight control device and sensor are by the pressure for collecting, moment of torsion, temperature
Degree, rotating speed, temperature, current parameters, then down-hole embedded measurement and control device are fed back to by single phase poaer supply line；
The feedback signal collected is passed in the form of a carrier by g, down-hole embedded measurement and control device by single phase poaer supply line
To the intermediate communication device and power supply control apparatus of above ground portion DM；
After h, intermediate communication device and power supply control apparatus are by carrier signal analysis, process, demodulation, passed to by single phase poaer supply line
Wireless receiving discharger；
Signal is wirelessly passed to remote terminal computer for i, wireless receiving discharger, and remote terminal computer will connect
Receive signal analysis, process after reflected in the form of graphic picture, continue to send control signal according to resulting parameter,
Underground part DX is controlled and monitoring, and repeat step b ~ i；
J, finally according to remote terminal computer reflection graphic picture come judge laminated distributor under well the controlling of injecting quantity device determine
The layering molecular weight that layering injection rate, down-hole molecular weight control device are determined, until laminated distributor under well the controlling of injecting quantity device, down-hole
Till the layering injection rate that molecular weight control device is determined is reached after design requirement with layering molecular weight.
The present invention is compared with advantages below with prior art：
1）, molecular weight remotely can be filled with and be layered to laminated distributor under well on ground carry out real-time monitoring with control, it is possible to it is real
Shi Gengxin；
2）, eliminate traditional employing pulling mode come control hierarchy injection rate and layering molecular weight mode, improve production
Efficiency, reduces labor intensity, reduces production cost.
Description of the drawings：Fig. 1 is that chemistry Jing Fenzhujing is layered injection rate and layering molecular weight zonal injection technology device block diagram.
Specific embodiment：Below in conjunction with accompanying drawing, the invention will be further described：A kind of chemical Jing Fenzhujing layerings note
Enter amount and layering molecular weight zonal injection technology, it is realized by following device：The device is by above ground portion DM and down-hole portion
Point DX composition, wherein above ground portion DM by remote terminal computer 0, well head wireless receiving discharger 1, intermediate communication device 2,
Power supply control apparatus 3 and power line 4 are constituted, and underground part DX is by power line 4, down-hole embedded measurement and control device 5, down-hole
Layering the controlling of injecting quantity device 6, down-hole molecular weight control device 7 and sensor 8 are constituted；Its remote terminal computer 0 and well
Mouth wireless receiving discharger 1 is the transmission signal by way of being wirelessly transferred, and well head wireless receiving discharger 1, centre are logical
News device 2, power supply control apparatus 3 are connected by single phase poaer supply line 4；Down-hole embedded measurement and control device 5 and well
Lower leaf the controlling of injecting quantity device 6 is connected by single phase poaer supply line 4, laminated distributor under well the controlling of injecting quantity device 6 and down-hole
Molecular weight control device 7 is connected by single phase poaer supply line 4, and down-hole molecular weight control device 7 and sensor 8 are by list
What phase power line 4 was connected, above ground portion DM is also to be connected by single phase poaer supply line 4 with underground part DX；It is to pass through
Following steps are realizing：
A, first by the laminated distributor under well the controlling of injecting quantity device 6 of underground part DX, down-hole molecular weight control device 7,8 groups of sensor
Into separate injection tubing string under to the desired depth in dispensing well under chemical flooding；
B, utilization are operated in the remote terminal computer 0 of above ground portion DM and send control signal, and wireless receiving discharger 1 is received
Remote terminal computer 0 sends control signal；
The control signal for receiving is sent to 2 and of intermediate communication device by single phase poaer supply line 4 by c, wireless receiving discharger 1
Power supply control apparatus 3；
After d, intermediate communication device 2 and power supply control apparatus 3 are by the control signal for receiving analyzing and processing, by single phase poaer supply line
The 4 down-hole embedded measurements and control device 5 that underground part DX is passed in the way of carrier wave；
Signal is amplified by e, down-hole embedded measurement and control device 5, by way of single phase poaer supply line 4 is with data communication
Pass to laminated distributor under well the controlling of injecting quantity device 6, down-hole molecular weight control device 7 and sensor 8；
F, laminated distributor under well the controlling of injecting quantity device 6, down-hole molecular weight control device 7 and sensor 8 by the pressure for collecting, turn round
Square, temperature, rotating speed, temperature, current parameters, then down-hole embedded measurement and control device 5 are fed back to by single phase poaer supply line 4；
The feedback signal collected is passed through single phase poaer supply line 4 in the form of a carrier by g, down-hole embedded measurement and control device 5
Pass to the intermediate communication device 2 and power supply control apparatus 3 of above ground portion DM；
After h, intermediate communication device 2 and power supply control apparatus 3 are by carrier signal analysis, process, demodulation, by single phase poaer supply line 4
Pass to wireless receiving discharger 1；
Signal is wirelessly passed to remote terminal computer 0, remote terminal computer 0 for i, wireless receiving discharger 1
To receive signal analysis, process after reflected in the form of graphic picture, continue to send control according to resulting parameter
Signal, is controlled to underground part DX and monitoring, and repeat step b ~ i；
J, the graphic picture finally according to the reflection of remote terminal computer 0 are determined judging laminated distributor under well the controlling of injecting quantity device 6
Layering injection rate, the layering molecular weight that determines of down-hole molecular weight control device 7, until laminated distributor under well the controlling of injecting quantity device 6,
Till the layering injection rate that down-hole molecular weight control device 7 is determined is reached after design requirement with layering molecular weight.
Claims (1)
1. a kind of chemical Jing Fenzhujing layering injection rate and layering molecular weight zonal injection technology, it is realizing by following device
's：The device is made up of above ground portion DM and underground part DX, and wherein above ground portion DM is by remote terminal computer (0), well head
Wireless receiving discharger (1), intermediate communication device (2), power supply control apparatus (3) and power line (4) composition, underground part DX
By power line (4), down-hole embedded measurement and control device (5), laminated distributor under well the controlling of injecting quantity device (6), down-hole molecular weight
Control device (7) and sensor (8) composition；Its remote terminal computer (0) and well head wireless receiving discharger (1) are logical
Cross the mode transmission signal being wirelessly transferred, well head wireless receiving discharger (1), intermediate communication device (2), power supply control dress
Put (3) to be connected by single phase poaer supply line (4)；Down-hole embedded measurement and control device (5) and laminated distributor under well injection rate
Control device (6) is connected by single phase poaer supply line (4), laminated distributor under well the controlling of injecting quantity device (6) and down-hole molecular weight
Control device (7) is connected by single phase poaer supply line (4), and down-hole molecular weight control device (7) is logical with sensor (8)
Cross what single phase poaer supply line (4) was connected, above ground portion DM is also to be connected by single phase poaer supply line (4) with underground part DX；
It is characterized in that：It is through the following steps that to realize：
A, first by laminated distributor under well the controlling of injecting quantity device (6) of underground part DX, down-hole molecular weight control device (7), sensing
To the desired depth in dispensing well under chemical flooding under the separate injection tubing string that device (8) is constituted；
B, utilization are operated in the remote terminal computer (0) of above ground portion DM and send control signal, wireless receiving discharger (1)
Receive remote terminal computer (0) and send control signal；
The control signal for receiving is sent to intermediate communication dress by single phase poaer supply line (4) by c, wireless receiving discharger (1)
Put (2) and power supply control apparatus (3)；
After d, intermediate communication device (2) and power supply control apparatus (3) are by the control signal for receiving analyzing and processing, by single-phase electricity
Source line (4) passes to the down-hole embedded measurement of underground part DX and control device (5) in the way of carrier wave；
Signal is amplified by e, down-hole embedded measurement and control device (5), by single phase poaer supply line (4) with data communication
Mode passes to laminated distributor under well the controlling of injecting quantity device (6), down-hole molecular weight control device (7) and sensor (8)；
F, laminated distributor under well the controlling of injecting quantity device (6), down-hole molecular weight control device (7) and sensor (8) are by the pressure for collecting
Power, moment of torsion, temperature, rotating speed, temperature, current parameters, then down-hole embedded measurement and control are fed back to by single phase poaer supply line (4)
Device (5)；
G, down-hole embedded measurement and control device (5) are by the feedback signal collected by single phase poaer supply line (4) with carrier wave
Form passes to the intermediate communication device (2) and power supply control apparatus (3) of above ground portion DM；
After h, intermediate communication device (2) and power supply control apparatus (3) are by carrier signal analysis, process, demodulation, by single phase poaer supply
Line (4) passes to wireless receiving discharger (1)；
Signal is wirelessly passed to remote terminal computer (0) for i, wireless receiving discharger (1), and remote terminal is calculated
Machine (0) will receive signal analysis, process after reflected in the form of graphic picture, continue to send according to resulting parameter
Control signal, is controlled to underground part DX and monitoring, and repeat step b ~ i；
J, the graphic picture reflected finally according to remote terminal computer (0) are judging laminated distributor under well the controlling of injecting quantity device (6)
The layering molecular weight that the layering injection rate of measure, down-hole molecular weight control device (7) determine, until laminated distributor under well the controlling of injecting quantity
Till the layering injection rate that device (6), down-hole molecular weight control device (7) determine is reached after design requirement with layering molecular weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962310.0A CN106545320A (en) | 2016-11-04 | 2016-11-04 | A kind of chemical Jing Fenzhujing layering injection rates and layering molecular weight zonal injection technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962310.0A CN106545320A (en) | 2016-11-04 | 2016-11-04 | A kind of chemical Jing Fenzhujing layering injection rates and layering molecular weight zonal injection technology |
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| Publication Number | Publication Date |
|---|---|
| CN106545320A true CN106545320A (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610962310.0A Pending CN106545320A (en) | 2016-11-04 | 2016-11-04 | A kind of chemical Jing Fenzhujing layering injection rates and layering molecular weight zonal injection technology |
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| CN (1) | CN106545320A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252841A (en) * | 2018-11-16 | 2019-01-22 | 中国海洋石油集团有限公司 | The system and method for improving injection well injectability based on electromagnetic wave wireless monitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252841A (en) * | 2018-11-16 | 2019-01-22 | 中国海洋石油集团有限公司 | The system and method for improving injection well injectability based on electromagnetic wave wireless monitor |
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Application publication date: 20170329 |