CN106545320A - Layered injection quantity and layered molecular weight separate injection process for chemical well separate injection well - Google Patents
Layered injection quantity and layered molecular weight separate injection process for chemical well separate injection well 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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- molecular weight
- control device
- hole
- single phase
- supply line
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- 238000002347 injection Methods 0.000 title claims abstract description 41
- 239000007924 injection Substances 0.000 title claims abstract description 41
- 239000000126 substance Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004260 weight control Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000005516 engineering process Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012797 qualification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention relates to the technical field of tertiary oil recovery in oil fields, and belongs to a layered injection quantity and layered molecular weight separate injection process for a chemical well separate injection well. The invention solves the problems that the prior chemical flooding separate injection process can not carry out layered injection quantity and layered molecular weight control in real time, can not realize remote transmission and the like. The chemical flooding separate injection device comprises a ground part DM and an underground part DX, wherein a wellhead wireless receiving and transmitting device (1), an intermediate communication device (2), a power supply control device (3), an underground embedded measurement and control device (5), an underground layered injection quantity control device (6), an underground molecular weight control device (7) and a sensor (8) are connected through a single-phase power line (4), the ground part DM and the underground part DX are also connected through the single-phase power line (4), and the wellhead wireless transmitting device (1) is in wireless communication with a remote terminal computer (0). The invention has the advantages of higher control real-time performance, stability and the like.
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 | Layered injection quantity and layered molecular weight separate injection process for chemical well separate injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610962310.0A CN106545320A (en) | 2016-11-04 | 2016-11-04 | Layered injection quantity and layered molecular weight separate injection process for chemical well separate injection well |
Publications (1)
| 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 | Layered injection quantity and layered molecular weight separate injection process for chemical well separate injection well |
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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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| US5129457A (en) * | 1991-03-11 | 1992-07-14 | Marathon Oil Company | Enhanced liquid hydrocarbon recovery process |
| CN1598242A (en) * | 2004-07-28 | 2005-03-23 | 大庆油田有限责任公司 | Apparatus for controlling polymer molecular weight and flow of multiple-layer separate filling into with polymer displacement |
| CN101182755A (en) * | 2007-12-24 | 2008-05-21 | 大庆油田有限责任公司 | Down-hole horizontal boring machine distribution control method and device thereof |
| CN102337873A (en) * | 2011-09-01 | 2012-02-01 | 中国石油天然气股份有限公司 | Multi-channel separate injection pipe column for oil pipe of polymer |
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-
2016
- 2016-11-04 CN CN201610962310.0A patent/CN106545320A/en active Pending
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|---|---|---|---|---|
| US5129457A (en) * | 1991-03-11 | 1992-07-14 | Marathon Oil Company | Enhanced liquid hydrocarbon recovery process |
| CN1598242A (en) * | 2004-07-28 | 2005-03-23 | 大庆油田有限责任公司 | Apparatus for controlling polymer molecular weight and flow of multiple-layer separate filling into with polymer displacement |
| CN101182755A (en) * | 2007-12-24 | 2008-05-21 | 大庆油田有限责任公司 | Down-hole horizontal boring machine distribution control method and device thereof |
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| CN203114263U (en) * | 2012-12-07 | 2013-08-07 | 中国石油天然气股份有限公司 | Electric adjustable molecular weight control device for ternary combination flooding and polymer flooding dual well |
| CN103995543A (en) * | 2013-02-20 | 2014-08-20 | 大庆国电海天科技有限公司 | Regulation and control method of underground layered injection volume of water injection well at oil field |
Non-Patent Citations (1)
| Title |
|---|
| 王玲等: "聚合物单管多层分质分压注入技术", 《石油钻采工艺》 * |
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 |