CN105822291B - Water injection well multistage injection well downhole flow regulator sensing data communication network construction method and structure - Google Patents
Water injection well multistage injection well downhole flow regulator sensing data communication network construction method and structure Download PDFInfo
- Publication number
- CN105822291B CN105822291B CN201610151836.0A CN201610151836A CN105822291B CN 105822291 B CN105822291 B CN 105822291B CN 201610151836 A CN201610151836 A CN 201610151836A CN 105822291 B CN105822291 B CN 105822291B
- Authority
- CN
- China
- Prior art keywords
- injection well
- downhole flow
- flow regulator
- well downhole
- data
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 192
- 239000007924 injection Substances 0.000 title claims abstract description 192
- 238000004891 communication Methods 0.000 title claims abstract description 111
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims abstract description 11
- 238000013500 data storage Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000003466 welding 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
- 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
-
- 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
- E21B43/20—Displacing by water
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)
- Earth Drilling (AREA)
Abstract
The present invention discloses a kind of multistage injection well downhole flow regulator sensing data communication network construction method of water injection well and structure.Methods described builds communication network bus using multistage injection well downhole flow regulator and oil pipe, communication network ground wire altogether is built with wellbore casing, a sensing data storage and communication interface circuit are configured in each injection well downhole flow regulator, all sensors being arranged in injection well downhole flow regulators at different levels are all articulated on network-bus and the common ground wire of network by the sensing data storage on the injection well downhole flow regulator of place and communication interface circuit；Install a signal additional in first order injection well downhole flow regulator and upload circuit, the data for collecting, storing and forwarding each sensor collection.The advantage of the invention is that：Each injection well downhole flow regulator is carried out data transmission based on the communication network set up, and simplifies the operation procedure of data recording, reduces the operating cost of data recording, while the real-time Transmission of each injection well downhole flow regulator institute gathered data and the real-time control and regulation to each injection well downhole flow regulator can be realized.
Description
Technical field
The present invention relates to the information transmission technology in oil-gas mining field and equipment, and in particular to a kind of multistage water distribution of water injection well
Device sensing data communication network construction method and structure.
Background technology
Often there are multiple water filling layers to be distributed in different depth in current oil-extracting and water-injecting well, each water filling layer is required for cloth
If an injection well downhole flow regulator, and each injection well downhole flow regulator is connected in series with oil pipe.Generally require that pressure biography is installed in each injection well downhole flow regulator
Sensor and flow sensor etc., with the water filling situation of these Sensor monitorings, metering injection well downhole flow regulator.Due to by underground structure and matching somebody with somebody
The limitation of hydrophone construction, these sensors are all independently installed, do not have to appoint wired or wireless electric connection between each sensor, so
Obtaining the data of these sensors collection must just get sensor data are read on ground.In order to read sensor collection
Data, it is necessary to by water injection well oil pipe all rise, such opertions engineering amount is quite big, or makes alternatively i.e.
Communication is docked with each sensor by ground one data readout setup of decentralization respectively and therefrom reads data, this method is for only
It is also possible that there is following several respects if in this method in the water injection well of multistage injection well downhole flow regulator in the water injection well of single-stage injection well downhole flow regulator
The problem of：1. having independent sensor in each injection well downhole flow regulator for multistage injection well downhole flow regulator, the number of these sensors is obtained
According to the data readout setup transferred by ground must just be docked with each sensor and therefrom read respectively successively, according to said method be grasped
Make not only cumbersome, time-consuming, laborious, and the success rate of the poor reliability data read-out of docking is not high, and operating cost is also high；2. one
Some of denier multistage injection well downhole flow regulator injection well downhole flow regulator is located at hole angle and is more than 45.Well section, or when on horizontal segment in horizontal well,
So this method can not almost be operated；3. this method can not realize the real-time data transmission of multistage injection well downhole flow regulator and right
The real-time control of injection well downhole flow regulator.
Therefore above mentioned problem is overcome, it is necessary to can pass the data of all the sensors in multistage injection well downhole flow regulator by a untethered
Defeated passage is pooled in the data storage bag of underground, and the data storage bag is arranged on the suitable position in underground in order to data read-out
The interfaced reading data of device energy, or the present inventor is utilized entitled " a kind of to be used for the friendship of oil gas field Well cable-less directly
The data that " power transm ission corridor " built in the patent application of stream power transmission method and device " will collect in data storage bag
It is transferred to ground.
All include the oil pipe and wellbore casing being made up of the steel pipe of well conducting, pit shaft in the structure of the water injection well of oil gas field
Casing pipe sleeve has larger space between the two in the periphery of oil pipe.The present inventor it is entitled " one kind be used for oil gas field underground without electricity
In the patent application of cable AC and DC power carrying method and device ", by the use of oil pipe as ground wire, wellbore casing is used as power transmission
Line, constructs the power transm ission corridor of a UNICOM ground and underground equipment, hereinafter referred to as " power transm ission corridor ".In addition,
Inventor is in the patent application of entitled " a kind of wireless two-way information carrying means for Oil/gas Well ", using described
" power transm ission corridor " realizes the signal transfer functions between ground and underground equipment.
The content of the invention
To realize the real-time data transmission to downhole water flow regulator sensor and the real-time control to injection well downhole flow regulator, the present invention is provided
A kind of multistage injection well downhole flow regulator sensing data communication network construction method of water injection well and structure.Methods described utilizes existing tubing string in well
As information transmission carrier, communication network bus and common ground wire are built, and by all sensors being arranged in injection well downhole flow regulators at different levels
All it is articulated on this network-bus, forms the data communication network of the multistage injection well downhole flow regulator sensor of connection, realize underground many
The real-time data transmission of level injection well downhole flow regulator sensor and the real-time control to injection well downhole flow regulator.
To realize above-mentioned target, the present invention uses following technical scheme：
A kind of multistage injection well downhole flow regulator sensing data communication network construction method of water injection well, methods described utilizes oil-extracting and water-injecting well
In oil pipe, wellbore casing and injection well downhole flow regulator be all made up of the steel pipe of well conducting, and each injection well downhole flow regulator is connected with oil pipe
The characteristics of, in first order injection well downhole flow regulator（Uppermost one-level injection well downhole flow regulator）Installed with oil pipe junction and one be dielectrically separated from joint, by the
One-level injection well downhole flow regulator and its following multistage injection well downhole flow regulator concatenated with oil pipe are connected with the oil tube insulating above first order injection well downhole flow regulator, together
When, the anti-insulating centralizer that reclines is installed between each injection well downhole flow regulator and wellbore casing, makes part and shaft sleeve below first order injection well downhole flow regulator
Pipe is not contacted, and keeps insulating between them, thus can be built communication network bus with multistage injection well downhole flow regulator and oil pipe, be used pit shaft
Sleeve pipe builds communication network ground wire altogether.A sensing data storage and communication interface circuit, institute are configured in each injection well downhole flow regulator
There is the sensor in injection well downhole flow regulators at different levels all by the sensing data storage on the injection well downhole flow regulator of place and communication interface circuit
It is articulated on this network-bus.Install a signal additional in first order injection well downhole flow regulator and upload circuit, for collecting, storing and forward
The data of each sensor collection.
Each sensor by the data input of collection to the sensing data store and communication interface circuit in, the circuit
The sensing data of reception is sent on network-bus, and the signal uploads circuit that data are received from network-bus is laggard
Row Carrier Modulation, then utilizes " power transm ission corridor " to be sent to ground.The signal uploads circuit can also be by all sensings
Device is sent to the data storage on network-bus, waits and being transferred to by steel cable lifting reader by oil pipe on the signal
Circuit position is passed, data are taken out from signal upload circuit after interface docking.
A kind of multistage injection well downhole flow regulator sensing data communication network structure of water injection well, the communication network is by network-bus, net
Network is total to ground wire and is articulated in the sensing data between the network-bus and the common ground wire of the network in injection well downhole flow regulators at different levels
Storage and communication interface circuit and the signal upload circuit and constituted.The network-bus is by being dielectrically separated from joint, oil pipe, first
Level injection well downhole flow regulator, oil pipe, second level injection well downhole flow regulator, oil pipe, until N grades of injection well downhole flow regulators be connected in series composition；In every grade of injection well downhole flow regulator and oil
An insulating centralizer is installed in the junction of pipe makes to be dielectrically separated from the combination of all injection well downhole flow regulators and oil pipe below joint and the pit shaft
Sleeve pipe is dielectrically separated from, and the common ground wire of network in communication network is used as by the use of the wellbore casing.
Sensing data is stored and the hanging structure of communication interface circuit and network-bus is：Sensing in each injection well downhole flow regulator
Device data storage and the data output of communication interface circuit are connected to by data communication connecting line is used as a network-bus part
Injection well downhole flow regulator body interior, because injection well downhole flow regulator body is all-metal part, so the data communication connecting line is connected to injection well downhole flow regulator sheet
Body optional position.The ground wire of the sensing data storage and communication interface circuit is connected to by common ground electrode connecting line
Ground electrode sealing-plug is in the conductive core of injection well downhole flow regulator interior side altogether, and the conductive core passes through the ground electrode sealing-plug altogether（Sealing
Plug is on the side wall of injection well downhole flow regulator, and sealing-plug makes the inside and outside seal isolation of injection well downhole flow regulator by " sealing o-ring " and " airtight and watertight padding ",
Meanwhile, the conductive core of sealing-plug is to insulate close sealing integrally with sealing-plug body）Reach on the outside of injection well downhole flow regulator, be exposed at outside
The welding of conductive core termination have ground electrode connecting spring line altogether, the other end of the line is welded on the medial surface of common ground electrode spring(-supported) mount
On, because the ground electrode spring(-supported) mount altogether is sleeved on the outside of injection well downhole flow regulator, so must be insulated in injection well downhole flow regulator lateral surface coating one
Separation layer, the dielectric isolation layer is made up of the insulating materials such as ceramics or polytetrafluoroethylene (PTFE), is so ensured that described electric altogether
Pole spring(-supported) mount insulate with injection well downhole flow regulator, i.e., the insulation of described network altogether between ground wire and the network-bus.It is used as the institute of connection ground wire
State common ground electrode spring(-supported) mount makes its lateral surface tightly be attached on the wellbore casing inwall by inflatable elastomeric, makes the sensing
The ground wire of device data storage and communication interface circuit is connected on the common ground wire of the network, is thus deposited the sensing data
Storage and communication interface circuit are hung on communication network.
When sensor gathered data and when entering data into sensing data storage and communication interface circuit, the biography
Sensor data storage and communication interface circuit are with the data storage that will be inputted, and in the network-bus not by other water distributions
The data of storage are sent in bus in the case of the sensing data storage of device and communication interface circuit occupancy.
Sensor data network communication operation principle be：Passed in the multistage injection well downhole flow regulator built based on the method for the invention
In sensor data communication network, the sensor in each injection well downhole flow regulator can be stored and communication interface by the sensing data
Circuit passes to gathered data on the network-bus, and the signal in first order injection well downhole flow regulator uploads circuit by described in
Data receiver on network-bus is simultaneously stored, and wait transfers data to ground.The course of work of communication network is as follows：
1）Each injection well downhole flow regulator receives data：After sensor in injection well downhole flow regulators at different levels starts, gathered data is transmitted to the sensing
Device data storage and communication interface circuit；
2）Each injection well downhole flow regulator sends data：The sensing data storages and communication at different levels being articulated on the network-bus
Whether interface circuit is monitored on the network-bus while data are received has data transmitting, if the network-bus
On do not transmit data, then sensing data storage and communication interface circuit according to place injection well downhole flow regulator sequence, by number
According to being sent on the network-bus, the posterior sensing data that sorts is stored and communication interface circuit is first by the biography of input
Sensor data storage waits the network-bus free time and sequence to take the network-bus after taking turns to and transmits data
Up；
3）Signal uploads circuit combined data：The signal in first order injection well downhole flow regulator uploads circuit and monitored in real time
The network-bus, once finding there are data on the network-bus, reads and is put into memory, wait in data at once
Pass to ground；
4）Signal uploads circuit transmission data：If oil pipe more than first order injection well downhole flow regulator has been constituted, " power transmission is led to
Road ", then just can be by the use of this passage as the signalling channel of transmission sensor data, the signal uploads the load in circuit
The data of storage are carrier signal by certain frequency modulation(PFM) by frequency modulating part, pass to ground along this " power transm ission corridor "
Face.If there is no " power transm ission corridor ", then the signal, which uploads circuit, need to install a data output interface additional, when need from
When the signal uploads taking-up data in circuit, then suspend a data reader in midair with steel cable and transfer to first from well head along oil pipe
Reading data are docked with the data output interface that the signal uploads circuit in level injection well downhole flow regulator position.
The advantages of the present invention are：
1）Each injection well downhole flow regulator is carried out data transmission based on the communication network set up, and simplifies the operation procedure of data recording,
Reduce the operating cost of data recording；
2）The real-time Transmission of each injection well downhole flow regulator institute gathered data can be realized and to each injection well downhole flow regulator based on the communication network set up
Real-time control and regulation.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the multistage injection well downhole flow regulator sensing data communication network physical arrangement schematic diagram of water injection well of the present invention.
In figure, 1 is to be dielectrically separated from joint, and 2 be oil pipe, and 3 be insulating centralizer, and 4 be wellbore casing, and 5 be first order water distribution
Device, 6 be that signal uploads circuit, and 7 be sensing data storage and communication interface circuit, and 8 be conductive core, and 9 be signal connecting line, 10
It is signal communication connecting line, 11 be common ground electrode support, and 11-1 is common ground electrode spring(-supported) mount, and 11-2 is dielectric isolation layer, and 12 are
Second level injection well downhole flow regulator, 13 be N grades of injection well downhole flow regulators.
Fig. 2 is the multistage injection well downhole flow regulator sensing data communication network signal transmission line figure of water injection well of the present invention.
In figure, 6 be that signal uploads circuit, and 14 be network-bus, and 15 be network ground wire altogether, and 16 be sensor input, and 17 are
First order injection well downhole flow regulator sensing data storage and communication interface circuit, 27 be second level injection well downhole flow regulator sensing data storage and
Communication interface circuit, 37 be sensing data storage and the communication interface circuit of N grades of injection well downhole flow regulators.
Fig. 3 is conductive core structure chart of the present invention.
In figure, 81 be sealing o-ring, and 82 be common ground electrode sealing-plug, and 83 be common ground electrode connecting line, and 84 be that sealing is filled out
Material, 85 be common ground electrode connecting spring line.
Embodiment
Embodiment 1
A kind of multistage injection well downhole flow regulator sensing data communication network construction method of water injection well, methods described utilizes oil-extracting and water-injecting well
In oil pipe 2, wellbore casing 4 and injection well downhole flow regulator be all made up of the steel pipe of well conducting, and each injection well downhole flow regulator is connected with oil pipe 2
The characteristics of coming, in first order injection well downhole flow regulator 5（Uppermost one-level injection well downhole flow regulator）One, which is installed, with the junction of oil pipe 2 is dielectrically separated from joint 1,
First order injection well downhole flow regulator 5 and its following multistage injection well downhole flow regulator concatenated with oil pipe 2 are insulated with the oil pipe 2 above first order injection well downhole flow regulator 5
Connection, meanwhile, the anti-insulating centralizer 3 that reclines is installed between each injection well downhole flow regulator and wellbore casing 4, makes first order injection well downhole flow regulator below 5
Part is not contacted with wellbore casing 4, to keep insulating between them, can thus be built with multistage injection well downhole flow regulator and oil pipe 2 logical
Network-bus 14 is interrogated, communication network ground wire 15 altogether is built with wellbore casing 4.A sensing data is configured in each injection well downhole flow regulator
Storage and communication interface circuit 7, all sensors being arranged in injection well downhole flow regulators at different levels all pass through the sensor on the injection well downhole flow regulator of place
Data storage and communication interface circuit 7 are articulated on this network-bus 14.Installed additional in first order injection well downhole flow regulator 5 on a signal
Conduct electricity road 6, the data for collecting, storing and forwarding each sensor collection.
Each sensor by the data input of collection to the sensing data store and communication interface circuit 7 in, the electricity
The sensing data of reception is sent on network-bus 14 by road, and the signal uploads circuit 6 and received from network-bus 14
Carrier Modulation is carried out after data, then utilizes " power transm ission corridor " to be sent to ground.The signal uploads circuit 6 can also be by
The data storage that all the sensors are sent on network-bus 14 is got up, and is waited and is transferred to institute by oil pipe by steel cable lifting reader
State signal and upload the position of circuit 6, data are taken out in uploading circuit 6 from the signal after interface docking.
A kind of multistage injection well downhole flow regulator sensing data communication network structure of water injection well, the communication network by network-bus 14,
Network is total to ground wire 15 and is articulated in the biography between the network-bus 14 and the common ground wire 15 of the network in injection well downhole flow regulators at different levels
Sensor data storage and communication interface circuit 7 and the signal upload circuit 6 and constituted.The network-bus 14 is connect by being dielectrically separated from
First 1, oil pipe 2, first order injection well downhole flow regulator 5, oil pipe 2, second level injection well downhole flow regulator 12, oil pipe 2, until N grades of injection well downhole flow regulators 13 be connected in series
Constitute；Installing an insulating centralizer 3 in the junction of every grade of injection well downhole flow regulator and oil pipe 2 makes to be dielectrically separated from joint all water distributions below 1
The combination of device and oil pipe 2 is dielectrically separated from the wellbore casing 4, and the network in communication network is used as by the use of the wellbore casing 4
Common ground wire 15.
Sensing data is stored and the hanging structure of communication interface circuit 7 and network-bus 14 is：In each injection well downhole flow regulator
The data output of sensing data storage and communication interface circuit 7 is connected to by data communication connecting line 10 is used as network-bus
The injection well downhole flow regulator body interior of 14 parts, because injection well downhole flow regulator body is all-metal part, so the data communication connecting line 10 is connected
In injection well downhole flow regulator body optional position.The ground wire of the sensing data storage and communication interface circuit 7 passes through common ground electrode
Connecting line 83 is connected to common ground electrode sealing-plug 82 in the conductive core 8 of injection well downhole flow regulator interior side, and the conductive core 8 passes through described common
Ground electrode sealing-plug 82（Sealing-plug 82 is arranged on the side wall of injection well downhole flow regulator, and sealing-plug 82 is by sealing o-ring 81 and airtight and watertight padding
84 make the inside and outside seal isolation of injection well downhole flow regulator, meanwhile, the conductive core 8 of sealing-plug 82 is to insulate close sealing into one with the body of sealing-plug 82
Body）Reach on the outside of injection well downhole flow regulator, a ground electrode connecting spring line 85 altogether is welded in the conductive core termination for being exposed at outside, the line it is another
One end is welded on common ground electrode spring(-supported) mount 11-1 medial surface, because the ground electrode spring(-supported) mount 11-1 altogether is to be sleeved on water distribution
On the outside of device, so must be in one layer of dielectric isolation layer 11-2 of injection well downhole flow regulator lateral surface coating, the dielectric isolation layer 11-2 is by ceramics
Or the insulating materials such as polytetrafluoroethylene (PTFE) is constituted, so ensure that the ground electrode spring(-supported) mount 11-1 altogether insulate with injection well downhole flow regulator, i.e.,
The insulation of the network altogether between ground wire 15 and the network-bus 14.It is used as the ground electrode spring(-supported) mount 11-1 altogether of connection ground wire
Its lateral surface is tightly attached on the inwall of wellbore casing 4 by inflatable elastomeric, the sensing data is stored and logical
The ground wire of communication interface circuit 7 is connected to the network altogether on ground wire 15, thus the sensing data is stored and communicated connects
Mouth circuit 7 is hung on communication network.
It is described when sensor gathered data and when entering data into sensing data storage and communication interface circuit 7
Sensing data is stored and communication interface circuit 7 is with the data storage that will be inputted, and in the network-bus 14 not by it
The data of storage are sent to bus 14 in the case of the sensing data storage of its injection well downhole flow regulator and the occupancy of communication interface circuit 7
On.
Sensor data network communication operation principle be：Passed in the multistage injection well downhole flow regulator built based on the method for the invention
In sensor data communication network, the sensor in each injection well downhole flow regulator can be stored and communication interface by the sensing data
Circuit 7 passes to gathered data on the network-bus 14, and the signal upload circuit 6 in first order injection well downhole flow regulator will
Data receiver on the network-bus 14 is simultaneously stored, and wait transfers data to ground.The course of work of communication network
It is as follows：
1）Each injection well downhole flow regulator receives data：After sensor in injection well downhole flow regulators at different levels starts, gathered data is transmitted to the sensing
Device data storage and communication interface circuit 7；
2）Each injection well downhole flow regulator sends data：The sensing datas at different levels being articulated on the network-bus 14 are stored and logical
Whether communication interface circuit 7 is monitored on the network-bus 14 while data are received has data transmitting, if the net
Without transmission data in network bus 14, then the sensing data storage and communication interface circuit 7 are according to place injection well downhole flow regulator
Sequence, is transmitted data on the network-bus 14, and sort the posterior sensing data storage and communication interface circuit 7
First the free time of network-bus 14 and sequence is waited to take the network after taking turns to the sensing data storage of input
Bus 14 gets on data transmission；
3）Signal uploads circuit combined data：The signal in first order injection well downhole flow regulator uploads circuit 6 and supervised in real time
The network-bus 14 is surveyed, once finding there are data on the network-bus 14, reads at once and is put into memory, waiting will
Data upload to ground；
4）Signal uploads the transmission data of circuit 6：If oil pipe more than first order injection well downhole flow regulator has been constituted, " power transmission is led to
Road ", then just can be by the use of this passage as the signalling channel of transmission sensor data, the signal is uploaded in circuit 6
The data of storage are carrier signal by certain frequency modulation(PFM) by Carrier Modulation part, pass to ground along this " power transm ission corridor "
Face.If there is no " power transm ission corridor ", then the signal, which uploads circuit 6, need to install a data output interface additional, work as needs
Uploaded from the signal when taking out data in circuit 6, then suspend a data reader in midair with steel cable and transfer to the from well head along oil pipe
Reading data are docked with the data output interface that the signal uploads circuit 6 in one-level injection well downhole flow regulator position.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the field, it can also do on the basis of the above description
Go out other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
Among the obvious changes or variations of stretching is still in protection scope of the present invention.
Claims (9)
1. a kind of multistage injection well downhole flow regulator sensing data communication network construction method of water injection well, it is characterised in that：It is sharp in methods described
Oil pipe, wellbore casing and injection well downhole flow regulator in oil-extracting and water-injecting well are all made up of the steel pipe of well conducting, and each injection well downhole flow regulator is equal
Connected with oil pipe, installing one in first order injection well downhole flow regulator and oil pipe junction is dielectrically separated from joint, by first order injection well downhole flow regulator
And its following multistage injection well downhole flow regulator concatenated with oil pipe is connected with the oil tube insulating above first order injection well downhole flow regulator, meanwhile, in each water distribution
The anti-insulating centralizer that reclines is installed between device and wellbore casing, part below first order injection well downhole flow regulator is not contacted with wellbore casing, protects
Insulation between them is held, thus communication network bus is built with multistage injection well downhole flow regulator and oil pipe, communication network is built with wellbore casing
The common ground wire of network；A sensing data storage and communication interface circuit are configured in each injection well downhole flow regulator, it is all to be arranged at different levels match somebody with somebody
Sensor in hydrophone is all articulated in network-bus by the sensing data storage on the injection well downhole flow regulator of place and communication interface circuit
On network altogether ground wire；Install a signal additional in first order injection well downhole flow regulator and upload circuit, for collecting, storing and forwarding each sensing
The data of device collection, signal uploads circuit and is articulated on network-bus and the common ground wire of network.
2. the multistage injection well downhole flow regulator sensing data communication network construction method of a kind of water injection well as claimed in claim 1, its feature
It is：Each sensor by the data input of collection to the sensing data store and communication interface circuit in, the sensing
The sensing data of reception is sent on network-bus by device data storage and communication interface circuit；The signal upload circuit from
Received on network-bus and Carrier Modulation is carried out after data, be then sent to ground using power transm ission corridor；Or, the signal
The data storage that all the sensors are sent on network-bus by circuit is uploaded, waits and oil is passed through by steel cable lifting reader
Pipe transfers to the signal and uploads circuit position, and data are taken out from signal upload circuit after interface docking.
3. a kind of multistage injection well downhole flow regulator sensing data communication network knot of the water injection well utilized in the construction method described in claim 1
Structure, it is characterised in that：Communication network is by network-bus, the common ground wire of network and is articulated in the network-bus and the network altogether
Sensing data storage and communication interface circuit and signal between line in injection well downhole flow regulators at different levels upload circuit and constituted；The network is total
Line by be dielectrically separated from joint, oil pipe, first order injection well downhole flow regulator, oil pipe, second level injection well downhole flow regulator, oil pipe, until the series connection of N grade injection well downhole flow regulators
Connect and compose；Installing an insulating centralizer in the junction of every grade of injection well downhole flow regulator and oil pipe makes to be dielectrically separated from all below joint match somebody with somebody
The combination of hydrophone and oil pipe is dielectrically separated from wellbore casing, by the use of the wellbore casing as the network in communication network altogether
Line.
4. the multistage injection well downhole flow regulator sensing data communication network structure of a kind of water injection well as claimed in claim 3, it is characterised in that：
Sensing data storage and communication interface circuit in each injection well downhole flow regulator are connected to that to be used as network total by data communication connecting line
The injection well downhole flow regulator body interior of a line part, realizes the connection with the network-bus；The sensing data storage and communication connect
The ground wire of mouth circuit is connected to common ground electrode sealing-plug in the conductive core of injection well downhole flow regulator interior side by common ground electrode connecting line,
The conductive core is reached on the outside of injection well downhole flow regulator through the ground electrode sealing-plug altogether, and the conductive core termination for being exposed at outside welds one altogether
Ground electrode connecting spring line, the other end of the line is welded on the medial surface of common ground electrode spring(-supported) mount；It is used as the institute of connection ground wire
State common ground electrode spring(-supported) mount makes its lateral surface tightly be attached on the wellbore casing inwall by inflatable elastomeric, makes the sensing
The ground wire of device data storage and communication interface circuit is connected on common ground electrode connecting spring line, thus by the sensor number
Hung over according to storage and communication interface circuit on communication network.
5. the multistage injection well downhole flow regulator sensing data communication network structure of a kind of water injection well as claimed in claim 4, it is characterised in that：
The sealing-plug is arranged on the side wall of injection well downhole flow regulator, and sealing-plug makes external seal in injection well downhole flow regulator by sealing o-ring and airtight and watertight padding
Isolation, and the conductive core of sealing-plug is to insulate close sealing integrally with sealing-plug body.
6. the multistage injection well downhole flow regulator sensing data communication network structure of a kind of water injection well as claimed in claim 4, it is characterised in that：
Be to ensure to insulate between the injection well downhole flow regulator and the ground electrode spring(-supported) mount altogether, described one layer of insulation of injection well downhole flow regulator lateral surface coating every
Absciss layer, the dielectric isolation layer is made up of ceramics or polytetrafluoroethylene (PTFE).
7. the multistage injection well downhole flow regulator sensing data communication network structure of a kind of water injection well as claimed in claim 3, it is characterised in that：
When sensor gathered data and when entering data into sensing data storage and communication interface circuit, the sensing data
Store and communication interface circuit is with the data storage that will be inputted, and in the network-bus not by the sensing of other injection well downhole flow regulators
The data of storage are sent in bus in the case of device data storage and communication interface circuit occupancy.
8. the multistage injection well downhole flow regulator sensing data communication network structure of a kind of water injection well as claimed in claim 3, it is characterised in that：
Sensor in each injection well downhole flow regulator can be stored by the sensing data and communication interface circuit passes to gathered data
On the network-bus, and the signal in first order injection well downhole flow regulator uploads circuit and connects the data on the network-bus
Receive and store, wait transfers data to ground.
9. a kind of multistage injection well downhole flow regulator sensing data communication network structure of water injection well as described in claim 3 or 8, its feature exists
In the course of work of the communication network is as follows：
1) each injection well downhole flow regulator receives data：After sensor in injection well downhole flow regulators at different levels starts, gathered data is transmitted to the sensor number
According to storage and communication interface circuit；
2) each injection well downhole flow regulator sends data：The sensing data storages at different levels being articulated on the network-bus and communication interface
Whether circuit is monitored on the network-bus while data are received has data transmitting, if do not had on the network-bus
There are transmission data, then the sensing data storage and communication interface circuit send out data according to the sequence of place injection well downhole flow regulator
It is sent on the network-bus, the posterior sensing data that sorts is stored and communication interface circuit is first by the sensor of input
Data storage, waits the network-bus free time and sequence to take the network-bus after taking turns to and transmits data
Go；
3) signal uploads circuit combined data：The signal in first order injection well downhole flow regulator uploads circuit, and monitoring is described in real time
Network-bus, once finding there are data on the network-bus, reads data and is put into memory, wait is upload the data at once
Ground；
4) signal uploads circuit transmission data：If oil pipe more than first order injection well downhole flow regulator has constituted power transm ission corridor, then
Just can be by the use of this passage as the signalling channel of transmission sensor data, the signal uploads the Carrier Modulation portion in circuit
The data of storage are carrier signal by certain frequency modulation(PFM) by part, and ground is passed to along this " power transm ission corridor "；If not yet
Have " power transm ission corridor ", then the signal, which uploads circuit, need to install a data output interface additional, when needing from the signal
When uploading taking-up data in circuit, then suspend a data reader in midair with steel cable and transfer to first order injection well downhole flow regulator position from well head along oil pipe
Put the data output interface for uploading circuit with the signal and dock reading data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610151836.0A CN105822291B (en) | 2016-03-17 | 2016-03-17 | Water injection well multistage injection well downhole flow regulator sensing data communication network construction method and structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610151836.0A CN105822291B (en) | 2016-03-17 | 2016-03-17 | Water injection well multistage injection well downhole flow regulator sensing data communication network construction method and structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105822291A CN105822291A (en) | 2016-08-03 |
| CN105822291B true CN105822291B (en) | 2017-09-12 |
Family
ID=56523831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610151836.0A Active CN105822291B (en) | 2016-03-17 | 2016-03-17 | Water injection well multistage injection well downhole flow regulator sensing data communication network construction method and structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105822291B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498211B (en) * | 2009-02-26 | 2013-05-15 | 中国石油化工股份有限公司 | Method for water distribution by sound wave remote control and the matched intelligent water distributor |
| CN101871340A (en) * | 2010-06-18 | 2010-10-27 | 杨忠芳 | Ultrasonic measured and controlled water distributing device |
| CN102305054B (en) * | 2011-09-20 | 2014-07-02 | 武汉理工大学 | Underground separated layer water injection control system based on RFID (radio frequency identification device) |
| CN103362486B (en) * | 2012-04-05 | 2016-04-06 | 中国石油天然气股份有限公司 | Digital underground separate-layer water injection measuring and adjusting process pipe column and operation method thereof |
| CN103104231B (en) * | 2013-01-31 | 2015-05-06 | 中国石油天然气股份有限公司 | Bridge type concentric continuous adjustable water distributor |
| CN104653157B (en) * | 2013-11-19 | 2018-03-09 | 中国石油天然气股份有限公司 | Multi-stage separate-layer water injection string and working method thereof |
| CN104453809B (en) * | 2014-12-05 | 2018-02-02 | 中国石油天然气股份有限公司 | Digital intelligent water distributor |
| CN104695917B (en) * | 2015-01-12 | 2018-09-11 | 陈爱民 | Intelligent watering system |
| CN105239975A (en) * | 2015-10-30 | 2016-01-13 | 中国石油天然气股份有限公司 | Monitoring system for water injection state of each layer of multi-layer water injection well |
-
2016
- 2016-03-17 CN CN201610151836.0A patent/CN105822291B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105822291A (en) | 2016-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11655706B2 (en) | Apparatuses and methods for sensing temperature along a wellbore using semiconductor elements | |
| US10267139B2 (en) | Wireless communication system for monitoring of subsea well casing annuli | |
| US11286769B2 (en) | Apparatuses and methods for sensing temperature along a wellbore using resistive elements | |
| AU2017268922B2 (en) | Apparatuses and methods for sensing temperature along a wellbore using temperature sensor modules comprising a crystal oscillator | |
| US8833489B2 (en) | Method and system for transferring signals through a drill pipe system | |
| US20100314106A1 (en) | Low cost rigless intervention and production system | |
| CN105756671B (en) | A kind of wireless two-way information carrying means for Oil/gas Well | |
| RU2513600C1 (en) | Integrated system of continuous supervision | |
| CN105822291B (en) | Water injection well multistage injection well downhole flow regulator sensing data communication network construction method and structure | |
| CN206299374U (en) | A kind of reception device suitable for the underground wireless short pass of nearly drill bit | |
| CN115680632A (en) | Underground micro-current signal wireless uploading method and device | |
| US20230011634A1 (en) | Tool for use in well tubing and method of using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Xiaodong Inventor after: Tang Yi Inventor after: Qing Mingxiang Inventor before: Zhou Xiaodong |
|
| CB03 | Change of inventor or designer information |