CN105137884A - Cabled digital separate layer water injection ground control apparatus - Google Patents
Cabled digital separate layer water injection ground control apparatus Download PDFInfo
- Publication number
- CN105137884A CN105137884A CN201510591870.5A CN201510591870A CN105137884A CN 105137884 A CN105137884 A CN 105137884A CN 201510591870 A CN201510591870 A CN 201510591870A CN 105137884 A CN105137884 A CN 105137884A
- Authority
- CN
- China
- Prior art keywords
- primary controller
- codec
- water injection
- cable
- storer
- 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.)
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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
- E21B43/20—Displacing by water
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1137—Peer to peer communication
Abstract
The invention provides a cabled digital separate layer water injection ground control apparatus. The cabled digital separate layer water injection ground control apparatus includes a power supply device as well as a codec, a main controller, a memory and a downhole intelligent water distribution device which are electrically connected with the power supply device respectively; the downhole intelligent water distribution device is used for acquiring flow rate data and transmitting the data to the codec; the codec is used for converting the flow rate data to analog signals and transmitting the analog signals to the main controller; and the main controller transmits the flow rate data to the memory and compares the flow rate data with injection allocation amount stored by the memory, and transmits an instruction to the downhole intelligent water distribution device when the flow rate data do not accord with the injection allocation amount, so that flow rate adjustment can be realized. With the cabled digital separate layer water injection ground control apparatus provided by the invention adopted, ground real-time control and monitoring can be realized; control can be carried out remotely; workload can be reduced effectively; a testing and distributing instrument is not needed to be arranged in a hole to perform downhole operation; all water injection layer section testing and distributing tasks can be completed through ground operation control; and testing and distributing efficiency and success rate can be greatly improved; and downhole operation risks can be decreased. The cabled digital separate layer water injection ground control apparatus has the advantages of convenient operation and simple performance.
Description
Technical field
The invention belongs to oil-field flooding technical field, being specifically related to one has cable numeral dispensing ground control equipment.
Background technology
Water filling keeps sand pressure, realizes oil field stable high yield and improves the effective ways of Development Response of Oilfield.For meeting the technology needs of oil field different development phases, realize efficient water injection, stratified injection water technology is updated perfect.Existing separate zone waterflooding technology mainly comprises bridge-type eccentric zonal injection technology and bridge-type concentric separated-injection technique, bridge-type eccentric zonal injection technology can carry out water nozzle adjustment by any blanking plug of wire Launching and Bailing, simultaneously cable also can be adopted to survey tune continuously, the blanking plug of current in bridge type eccentric injection mandrel and the inclined hole of working barrel flow into oil casing annular space and finally inject oil reservoir.Bridge-type concentric separated-injection technique adopts cable to survey tune continuously, and current are fixed water nozzle inflow oil casing annular space and finally injected oil reservoir in water injection allocator.
In recent years, the deep-well of input exploitation, orientation well, depositing well get more and more, not only workload is large for conventional supporting test blending technology, and affect by stratum water-intake capacity and water filling operating mode etc., zonal injection qualification rate declines fast, cannot meet the requirement of the zonal injection under deep-well, orientation well, depositing well environment.
Summary of the invention
The workload that the object of the invention is to overcome existing zonal injection equipment needs is large, need instrument to go into the well carries out operation, problem that operating efficiency is low.
For this reason, the invention provides one and have cable numeral dispensing ground control equipment, the downhole intelligent water injection allocator, codec, primary controller, the storer that comprise charger and electrically connect with charger respectively;
Described downhole intelligent water injection allocator and codec are by cable connection, and codec, primary controller, storer electrically connect successively;
Downhole intelligent water injection allocator obtains the pressure of down-hole, temperature and data on flows, and by obtain data by cable transmission to codec, pressure after encoding and decoding, temperature and data on flows are sent to primary controller by codec, primary controller is transferred to storer by after the pressure after encoding and decoding, temperature and data on flows process, and contrast with the injection allocation amount that storer stores, comparing result feeds back to primary controller, primary controller sends injection allocation command signal by codec to downhole intelligent water injection allocator, realizes flow regulation.
Also comprise the host computer electrically connected with storer, primary controller respectively, comparing result feeds back to host computer through storer, and host computer sends command signal to primary controller, primary controller by command signal after codec encoding and decoding, by cable transmission to downhole intelligent water injection allocator, realize flow regulation.
Also comprise the touch-sensitive display all electrically connected with charger, storer, primary controller, comparing result feeds back to touch-sensitive display through storer, touch-sensitive display sends command signal to primary controller, primary controller by command signal after codec encoding and decoding, by cable transmission to downhole intelligent water injection allocator, realize flow regulation.
Also comprise station control computer, control computer of standing connects with primary controller, and comparing result is fed back to station control computer by primary controller, control computer of standing sends command signal to primary controller, command signal after codec encoding and decoding, by cable transmission to downhole intelligent water injection allocator, is realized flow regulation by primary controller.
Described station control computer is connected by wireless communicator with between primary controller.
Beneficial effect of the present invention: provided by the invention thisly have cable numeral dispensing ground control equipment, realize ground control in real time and monitor, computer can be controlled with station by wireless communicator to contact, realize long-range enforcement and control, easy to operate, performance is simple, effectively reduce workload, without the need under enter measurement and adjustment instrument device and carry out borehole operation, terrestrial operation has controlled all water filling intervals test allotment task, substantially increase test allotment efficiency and success ratio, reduce borehole operation risk.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet having cable numeral dispensing ground control equipment.
Description of reference numerals: 1, charger; 2, primary controller; 3, codec; 4, touch-sensitive display; 5, wireless communicator; 6, storer; 7, downhole intelligent water injection allocator; 8, stand control computer; 9, host computer.
Embodiment
Below with reference to accompanying drawing further to there being cable numeral dispensing ground control equipment to be described in detail.
embodiment 1:
In order to solve existing zonal injection equipment workload large, need instrument to go into the well to carry out operation, problem that operating efficiency is low, the invention provides one and have cable numeral dispensing ground control equipment, the downhole intelligent water injection allocator 7, codec 3, primary controller 2, the storer 6 that comprise charger 1 and electrically connect with charger 1 respectively; Described downhole intelligent water injection allocator 7 and codec 3 are by cable connection, and codec 3, primary controller 2, storer 6 electrically connect successively; Downhole intelligent water injection allocator 7 obtains the pressure of down-hole, temperature and data on flows, and by obtain data by cable transmission to codec 3, pressure after encoding and decoding, temperature and data on flows are sent to primary controller 2 by codec 3, primary controller 2 is transferred to storer 6 by after the pressure after encoding and decoding, temperature and data on flows process, and contrast with the injection allocation amount that storer 6 stores, comparing result feeds back to primary controller 2, primary controller 2 sends injection allocation command signal by codec 3 to downhole intelligent water injection allocator 7, realizes flow regulation.
Provided by the invention have the principle of work of cable numeral dispensing ground control equipment to be:
Downhole intelligent water injection allocator 7 obtains pressure, the data such as temperature and flow of each layer of position, down-hole, the data such as the pressure of acquisition, temperature and flow are transferred to the codec 3 in cable numeral dispensing ground control equipment by cable, after the digital signal of acquisition is converted to simulating signal by codec 3, be transferred to primary controller 2, primary controller 2 sends command instruction by intelligent watering device 7 under cable control well, regulate the water injection rate of downhole intelligent water injection allocator 7, realize the control to downhole flow.
It should be noted that, the data such as flow, temperature, pressure that downhole intelligent water injection allocator 7 is enrolled by storer 6 store after codec 3, are convenient to later stage inquiry.Above-mentioned charger, downhole intelligent water injection allocator, codec, primary controller, storer etc., be the existing product of maturation, all can commercially buy.
Provided by the invention thisly have cable numeral dispensing ground control equipment, realize ground control in real time and monitor, realize long-range enforcement to control, easy to operate, performance is simple, effectively reduces workload, without the need under enter measurement and adjustment instrument device and carry out borehole operation, terrestrial operation has controlled all water filling intervals test allotment task, substantially increases test allotment efficiency and success ratio, reduces borehole operation risk.
embodiment 2:
On the basis of embodiment 1, described have cable numeral dispensing ground control equipment also to comprise the host computer 9 electrically connected with storer 6, primary controller 2 respectively, comparing result feeds back to host computer 9 through storer 6, host computer 9 sends command signal to primary controller 2, primary controller 2 by command signal after codec 3 encoding and decoding, by cable transmission to downhole intelligent water injection allocator 7, realize flow regulation.
It should be noted that, host computer 9 can be computing machine, host computer 9 is direct and have cable numeral dispensing ground control equipment wired connection, by digital independent such as pressure, temperature and the flows surveyed in tune process and record, and printing speed when needed, to file, the data such as the real-time pressure to each layer of position, down-hole of host computer 9, temperature and flow carry out direct-reading and monitoring, monitoring result can be presented on the screen of host computer 9 by the mode of data and curves, and full screen display and split screen can be divided into show two kinds of patterns.
Particularly, split screen display only shows the data and curves in a period of time.
Full screen display refers to all data and curves of display, and can carry out control operation in full screen display, has automatically and manual two kinds of modes, time automatic, only need the water injection rate of input allotment, automatically regulates water injection rate by downhole intelligent water injection allocator 7.Time manual, host computer 9 needs to start to increase or reduce the command instruction of flow to primary controller 2, thus carries out regulating and reach required water injection rate.
Provided by the invention have the principle of work of cable numeral dispensing ground control equipment to be:
Downhole intelligent water injection allocator 7 obtains the pressure of each layer of position, down-hole, the data such as temperature and flow, by the pressure that cable will obtain, the data such as temperature and flow transfer to the codec 3 in cable numeral dispensing ground control equipment, after the digital signal of acquisition is converted to simulating signal by codec 3, be transferred to primary controller 2, primary controller 2 is transferred to host computer 9 again, manual operation is carried out by host computer 9, send designated command to primary controller 2, primary controller 2 carries out encoding and decoding by codec 3 after processing, then by intelligent watering device 7 under cable control well, realize the control to downhole flow.
embodiment 3:
On the basis of embodiment 1, cable numeral dispensing ground control equipment is had also to comprise the touch-sensitive display 4 all electrically connected with charger 1, storer 6, primary controller 2, comparing result feeds back to touch-sensitive display 4 through storer 6, touch-sensitive display 4 sends command signal to primary controller 2, primary controller 2 by command signal after codec 3 encoding and decoding, by cable transmission to downhole intelligent water injection allocator 7, realize flow regulation.
Touch-sensitive display 4 intuitively can show flow, pressure, the Temperature numerical of admission, can manually assign water nozzle regulating command, controls water injection allocator flow, can carry out the operations such as testing seal about packer simultaneously.
Provided by the invention have the principle of work of cable numeral dispensing ground control equipment to be:
Downhole intelligent water injection allocator 7 obtains the pressure of each layer of position, down-hole, the data such as temperature and flow, by the pressure that cable will obtain, the data such as temperature and flow transfer to the codec 3 in cable numeral dispensing ground control equipment, after the digital signal of acquisition is converted to simulating signal by codec 3, be transferred to primary controller 2, primary controller 2 is by the pressure after encoding and decoding, storer 6 is transferred to after temperature and data on flows process, and contrast with the injection allocation amount that storer 6 stores, comparing result feeds back to touch-sensitive display 4, manual operation is carried out by touch-sensitive display 4, touch-sensitive display 4 sends instruction to primary controller 2, primary controller 2 carries out encoding and decoding by codec 3 after processing, then by intelligent watering device 7 under cable control well, realize the control to downhole flow.
embodiment 4:
On the basis of embodiment 1, cable numeral dispensing ground control equipment is had also to comprise station control computer 8, control computer 8 of standing connects with primary controller 2, comparing result is fed back to station control computer 8 by primary controller 2, control computer 8 of standing sends command signal to primary controller 2, command signal after codec 3 encoding and decoding, by cable transmission to downhole intelligent water injection allocator 7, is realized flow regulation by primary controller 2.
Provided by the invention have the principle of work of cable numeral dispensing ground control equipment to be:
Downhole intelligent water injection allocator 7 obtains the pressure of each layer of position, down-hole, the data such as temperature and flow, by the pressure that cable will obtain, the data such as temperature and flow transfer to the codec 3 in cable numeral dispensing ground control equipment, after the digital signal of acquisition is converted to simulating signal by codec 3, be transferred to primary controller 2, primary controller 2 is by the pressure after encoding and decoding, storer 6 is transferred to after temperature and data on flows process, and contrast with the injection allocation amount that storer 6 stores, comparing result feeds back to station control computer 8, manual operation is carried out by station control computer 8, control computer 8 of standing sends instruction to primary controller 2, primary controller 2 carries out encoding and decoding by codec 3 after processing, then by intelligent watering device 7 under cable control well, realize the control to downhole flow.
embodiment 5:
On the basis of embodiment 1, cable numeral dispensing ground control equipment is had also to comprise station control computer 8, control computer 8 of standing connects with primary controller 2, comparing result is fed back to station control computer 8 by primary controller 2, control computer 8 of standing sends command signal to primary controller 2, command signal after codec 3 encoding and decoding, by cable transmission to downhole intelligent water injection allocator 7, is realized flow regulation by primary controller 2.Described station control computer 8 is connected by wireless communicator 5 with between primary controller 2.
Provided by the invention have the principle of work of cable numeral dispensing ground control equipment to be:
Downhole intelligent water injection allocator 7 obtains the pressure of each layer of position, down-hole, the data such as temperature and flow, by the pressure that cable will obtain, the data such as temperature and flow transfer to the codec 3 in cable numeral dispensing ground control equipment, after the digital signal of acquisition is converted to simulating signal by codec 3, be transferred to primary controller 2, primary controller 2 is by the pressure after encoding and decoding, storer 6 is transferred to after temperature and data on flows process, and contrast with the injection allocation amount that storer 6 stores, comparing result feeds back to station control computer 8, control computer 8 of standing carries out manual operation, control computer 8 of standing sends instruction to primary controller 2 by wireless communicator 5, primary controller 2 carries out encoding and decoding by codec 3 after processing, then by intelligent watering device 7 under cable control well, realize the control to downhole flow.
Provided by the invention thisly have cable numeral dispensing ground control equipment, realize ground control in real time and monitor, realize long-range enforcement to control, easy to operate, performance is simple, effectively reduces workload, without the need under enter measurement and adjustment instrument device and carry out borehole operation, terrestrial operation has controlled all water filling intervals test allotment task, substantially increases test allotment efficiency and success ratio, reduces borehole operation risk.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (5)
1. there is a cable numeral dispensing ground control equipment, it is characterized in that, the downhole intelligent water injection allocator (7), codec (3), primary controller (2), the storer (6) that comprise charger (1) and electrically connect with charger (1) respectively;
Described downhole intelligent water injection allocator (7) and codec (3) are by cable connection, and codec (3), primary controller (2), storer (6) electrically connect successively;
Downhole intelligent water injection allocator (7) obtains the pressure of down-hole, temperature and data on flows, and by obtain data by cable transmission to codec (3), codec (3) is by the pressure after encoding and decoding, temperature and data on flows send to primary controller (2), primary controller (2) is by the pressure after encoding and decoding, storer (6) is transferred to after temperature and data on flows process, and contrast with the injection allocation amount that storer (6) stores, comparing result feeds back to primary controller (2), primary controller (2) sends injection allocation command signal by codec (3) to downhole intelligent water injection allocator (7), realize flow regulation.
2. one as claimed in claim 1 has cable numeral dispensing ground control equipment, it is characterized in that, also comprise the host computer (9) electrically connected with storer (6), primary controller (2) respectively, comparing result feeds back to host computer (9) through storer (6), host computer (9) sends command signal to primary controller (2), command signal after codec (3) encoding and decoding, by cable transmission to downhole intelligent water injection allocator (7), is realized flow regulation by primary controller (2).
3. one as claimed in claim 1 has cable numeral dispensing ground control equipment, it is characterized in that, also comprise the touch-sensitive display (4) all electrically connected with charger (1), storer (6), primary controller (2), comparing result feeds back to touch-sensitive display (4) through storer (6), touch-sensitive display (4) sends command signal to primary controller (2), primary controller (2) by command signal after codec (3) encoding and decoding, by cable transmission to downhole intelligent water injection allocator (7), realize flow regulation.
4. one as claimed in claim 1 has cable numeral dispensing ground control equipment, it is characterized in that, also comprise station control computer (8), control computer (8) of standing connects with primary controller (2), primary controller (2) comparing result is fed back to station control computer (8), stand control computer (8) to primary controller (2) transmission command signal, primary controller (2) by command signal after codec (3) encoding and decoding, by cable transmission to downhole intelligent water injection allocator (7), realize flow regulation.
5. one as claimed in claim 4 has cable numeral dispensing ground control equipment, and it is characterized in that, described station control computer (8) is connected by wireless communicator (5) with between primary controller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591870.5A CN105137884A (en) | 2015-09-16 | 2015-09-16 | Cabled digital separate layer water injection ground control apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591870.5A CN105137884A (en) | 2015-09-16 | 2015-09-16 | Cabled digital separate layer water injection ground control apparatus |
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| CN105137884A true CN105137884A (en) | 2015-12-09 |
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| CN201510591870.5A Pending CN105137884A (en) | 2015-09-16 | 2015-09-16 | Cabled digital separate layer water injection ground control apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109931040A (en) * | 2019-02-21 | 2019-06-25 | 中国石油天然气股份有限公司 | A kind of dispensing well remote intelligent control system and method |
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Application publication date: 20151209 |