CN206709890U - A kind of down-hole pressure based on radio frequency extraction, temperature measurement system - Google Patents
A kind of down-hole pressure based on radio frequency extraction, temperature measurement system Download PDFInfo
- Publication number
- CN206709890U CN206709890U CN201720486822.4U CN201720486822U CN206709890U CN 206709890 U CN206709890 U CN 206709890U CN 201720486822 U CN201720486822 U CN 201720486822U CN 206709890 U CN206709890 U CN 206709890U
- Authority
- CN
- China
- Prior art keywords
- radio
- temperature measurement
- read
- radio frequency
- circuit
- 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.)
- Expired - Fee Related
Links
Abstract
A kind of down-hole pressure based on radio frequency extraction, temperature measurement system.It includes pressure, temperature measurement unit, signal condition unit, CPU, memory cell, downhole radio-frequency read-write cell, RF tag, Terrestrial Radio read-write cell, host computer；Wherein：Pressure, temperature measurement unit are connected by signal condition unit with CPU, CPU connection is connected with memory cell and downhole radio-frequency read-write cell respectively, downhole radio-frequency read-write cell is connected by RF tag with Terrestrial Radio read-write cell, and Terrestrial Radio read-write cell is connected with host computer.The utility model effect：For the situation that inconvenience proposes from shaft bottom when pressure, temperature measuring equipment permanent type are placed in shaft bottom or are needing to read data, the measuring system need not change the technical operation flow in drilling process, it is convenient to realize, message transmission rate is fast, stability is good, cost is low, and there is higher field application to be worth.
Description
Technical field
The utility model belongs to oil and gas well drilling technical field, more particularly to a kind of underground based on radio frequency extraction
Pressure, temperature measurement system.
Background technology
Pressure break is to improve the important technical of oil-gas field development ability, the survey of dynamic pressure value and temperature in fracturing process
Examination technology, it is significant to research fracturing technology mechanism, understanding reservoir properties, evaluation pressing crack construction effect etc..In pressure break
Before construction, can memory-type pressure, temperature measuring equipment mounted in support cylinder in, with fracturing string be lowered into well, it is interior to required measure
Position.After construction terminates, together go out with fracturing string from well, intactly record in pressing crack construction process and pressure break is applied
The real bottom pressure of blowdown period, temperature variations after work terminates.The pressure, temperature measuring equipment can be simultaneously to pipes
The oil pressure of arbitrfary point and casing pressure are monitored in post, and real-time recorded data.
However, in some fracturing process, pressure, temperature measuring equipment no longer go out after entering well from shaft bottom, permanent buried
Enter shaft bottom, to read out, the wire transmission mode such as generally use armored cable or optical fiber is entered the data that it is gathered by ground
Row is read, and complex process, data volume is big, and cost is high.
REID enters row data communication by electromagnetic induction, when RF tag enters reading and writing device antenna identification region
Afterwards, read write line tag decoder information and the corresponding operation of execution.REID has that read or write speed is fast, accuracy rate is high, body
The advantages that product is small.
Therefore, a kind of down-hole pressure based on radio frequency extraction, temperature measurement system are studied, after the completion of pressing crack construction, by well
After lower pressure, temperature measurement system are handled data, RF tag is put into from well head, is known by label by reading and writing device antenna
Pressure, temperature information during other scope after reading process, label returns to be discharged to behind ground reads the pressure stored in label by computer
Power, temperature information, analysis, explanation for fracturing process, technique is simple, data volume is small, transmission rate is fast, cost is low, has
Important meaning and practical value, but still lack such device at present.
The content of the invention
In view of this, the utility model is directed to a kind of down-hole pressure based on radio frequency extraction, temperature measurement system, with
Realize that ground faces the reading of down-hole pressure, temperature information.
In order to achieve the above object, the down-hole pressure provided by the utility model based on radio frequency extraction, temperature measurement system
Including：Pressure, temperature measurement unit, signal condition unit, CPU, memory cell, downhole radio-frequency read-write cell, penetrate
Frequency marking label, Terrestrial Radio read-write cell, host computer；Wherein：Pressure, temperature measurement unit pass through signal condition unit and centre
Unit connection is managed, CPU connection is connected with memory cell and downhole radio-frequency read-write cell respectively, and downhole radio-frequency is read
R/w cell is connected by RF tag with Terrestrial Radio read-write cell, and Terrestrial Radio read-write cell is connected with host computer.
The pressure, temperature measurement unit include pressure sensor and temperature sensor.
The signal condition unit includes signal filter circuit, signal amplification circuit, wherein：Signal filter circuit respectively with
Pressure sensor is connected with temperature sensor, and signal filter circuit is connected by signal amplification circuit with CPU.
The CPU includes microprocessor, clock synchronization circuit and supervisory circuit, wherein：Microprocessor is distinguished
It is connected with clock synchronization circuit, supervisory circuit, signal amplification circuit and memory cell；The microprocessor selects TMS320 systems
Row single-chip microcomputer and its peripheral circuit.
The downhole radio-frequency read-write cell includes radio frequency read/write circuit and radio-frequency antenna, wherein：Radio frequency read/write circuit is with penetrating
Frequency antenna is connected, and radio frequency read/write circuit is connected with microprocessor, and radio-frequency antenna is wirelessly connected with RF tag.
The quantity of the RF tag is 2~N pieces, and N determines according to data volume waiting for transmission.
Described CPU and memory cell can be replaced with LAUNCHXL-F28027 modules simultaneously.
It is provided by the utility model based on radio frequency extraction down-hole pressure, temperature measurement system effect：
For when pressure, temperature measuring equipment permanent type be placed in shaft bottom or needing read data when inconvenience from shaft bottom propose
Situation, the measuring system need not change the technical operation flow in drilling process, and it is convenient to realize, message transmission rate is fast, steady
Qualitative good, cost is low, and there is higher field application to be worth.
Brief description of the drawings
Fig. 1 shows block diagram for the structure of the down-hole pressure provided by the utility model based on radio frequency extraction, temperature measurement system.
Fig. 2 is the down-hole pressure provided by the utility model based on radio frequency extraction, temperature measurement system underground part circuit
Structure chart.
Embodiment
Below in conjunction with the accompanying drawings with specific embodiment to the down-hole pressure provided by the utility model based on radio frequency extraction, temperature
Measuring system is described in detail.It should be noted that in the case where not conflicting, embodiment and implementation in the utility model
Feature in example can be mutually combined.
As shown in figure 1, the down-hole pressure provided by the utility model based on radio frequency extraction, temperature measurement system include：Pressure
Power, temperature measurement unit 100, signal condition unit 200, CPU 300, memory cell 400, downhole radio-frequency read-write are single
Member 500, RF tag 600, Terrestrial Radio read-write cell 700, host computer 800；Wherein：Pressure, temperature measurement unit 100 pass through
Signal condition unit 200 is connected with CPU 300, CPU 300 connect respectively with memory cell 400 and well
Lower radio frequency read-write cell 500 is connected, and downhole radio-frequency read-write cell 500 passes through RF tag 600 and Terrestrial Radio read-write cell
700 connections, Terrestrial Radio read-write cell 700 are connected with host computer 800.
Described pressure, temperature measurement unit 100, signal condition unit 200, CPU 300, memory cell
400 and downhole radio-frequency read-write cell 500 be underground part, Terrestrial Radio read-write cell 700 and host computer 800 are above ground portion.
The pressure, temperature measurement unit 100 are used to measure pressure near installation site, temperature information, the signal
Conditioning unit 200 is used to gather, filter, amplifies pressure, the pressure that temperature measurement unit 100 exports, temperature information, the center
Processing unit 300 is used for the sample frequency of setting signal conditioning unit 200, the pressure exported to signal condition unit 200, temperature
Information is sent into memory cell 400 after being handled, and the memory cell 400 is used to store the output of CPU 300
Data message after processing, pressure that the radio frequency read-write cell 500 is used for after the processing that exports CPU 300,
It is sent into after temperature information coding into the RF tag 600 of identification range, the RF tag 600 is used to receive radio frequency read-write
The pressure of the output of unit 500, temperature information, after RF tag 600 returns discharge well, it is sent into Terrestrial Radio read-write cell 700,
The Terrestrial Radio read-write cell 700 is used to read, decodes the pressure stored in RF tag 600, temperature information, is sent into upper
In machine 800, the host computer 800 is used to pressure, temperature information are handled and analyzed, and is explained for pressure break.
As shown in Fig. 2 the pressure, temperature measurement unit 100 include pressure sensor 1001 and temperature sensor 1002,
The pressure information that the pressure sensor 1001 is used near installation site where measuring, measurement range 0Mpa -100MPa, institute
State temperature sensor 1002 be used for measure place installation site near ambient temperature information, -25 DEG C of measurement range -150 DEG C.
The signal condition unit 200 includes signal filter circuit 2001, signal amplification circuit 2002, wherein：Signal is filtered
Wave circuit 2001 is connected with pressure sensor 1001 and temperature sensor 1002 respectively, and signal filter circuit 2001 is put by signal
Big circuit 2002 is connected with CPU 300；Described signal filter circuit 2001 is used for pressure, temperature measurement unit
The pressure of 100 outputs, temperature information are filtered operation, remove high-frequency noise and interference, signal amplification circuit 2002 for pair
Slight pressure, temperature signal carry out amplitude amplification.
The CPU 300 includes microprocessor 3001, clock synchronization circuit 3002 and supervisory circuit 3003, its
In：Microprocessor 3001 respectively with clock synchronization circuit 3002, supervisory circuit 3003, signal amplification circuit 2002 and memory cell
400 are connected；Described microprocessor 3001 is used to carry out differentiation processing to pressure, temperature information, from low-power consumption
TMS320 series monolithics and its peripheral circuit, clock synchronization circuit 3002 are used to realize that clock is synchronous with host computer 800, monitored
Circuit 3003 is used for the working condition of real-time monitoring microprocessor 3001；
The downhole radio-frequency read-write cell 500 includes radio frequency read/write circuit 5001 and radio-frequency antenna 5002, wherein：Radio frequency is read
Write circuit 5001 is connected with radio-frequency antenna 5002, and radio frequency read/write circuit 5001 is connected with microprocessor 3001, radio-frequency antenna 5002
Wirelessly it is connected with RF tag 600；Radio frequency read/write circuit 5001 is used for modulating/demodulating information to be transmitted and to penetrate
Frequency marking label 600 provide driving energy, and radio-frequency antenna 5002 is used for the arrival for launching signal, monitoring RF tag 600 to be transmitted.
The CPU 300 is read in the memory cell 400 in fracturing process by intervals
The pressure of storage, temperature information, the pressure break stage is decomposed by the way of pattern-recognition is combined using time frequency analysis, will be each
The initial address and the staged pressure, temperature information of staged pressure, temperature information in the memory cell 400 are described in feeding
Extraction sampling interval during downhole radio-frequency read-write cell 500 is saved in the form of indexing in the memory cell 300, wherein,
Importance setting of the sampling interval according to the stage in pressure break explanation is extracted, interval section is between 1s -3000s.
Pressure that the downhole radio-frequency read-write cell 500 is sent into RF tag 600, temperature information, are the center
Processing unit 300 is according to the pressure after the extraction sampling interval screening set in the index record preserved in memory cell 400, temperature
Spend information.
The quantity of the RF tag 600 is 2~N pieces, and N determines according to data volume waiting for transmission, the RF tag 600
Put into successively from well head by intervals, if single piece of RF tag 600 can complete the extraction of total data, put into 2 pieces
For comparing, input N (N>2) piece it is generally used for dividing reset pressure, the temperature letter in stage without CPU 300
The extraction of breath.
The RF tag 600 uses active tag design, frequency 13.66MHz, and memory capacity is 2M bits.
Described CPU 300 and memory cell 400 can use the LAUNCHXL-F28027 moulds of TI companies simultaneously
Block replaces.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (7)
1. a kind of down-hole pressure based on radio frequency extraction, temperature measurement system, it is characterised in that：It is described based on radio frequency extraction
Down-hole pressure, temperature measurement system include：Pressure, temperature measurement unit (100), signal condition unit (200), central processing list
First (300), memory cell (400), downhole radio-frequency read-write cell (500), RF tag (600), Terrestrial Radio read-write cell
(700), host computer (800)；Wherein：Pressure, temperature measurement unit (100) pass through signal condition unit (200) and central processing
Unit (300) connect, CPU (300) connection respectively with memory cell (400) and downhole radio-frequency read-write cell (500)
It is connected, downhole radio-frequency read-write cell (500) is connected by RF tag (600) with Terrestrial Radio read-write cell (700), ground
Radio frequency read-write cell (700) is connected with host computer (800).
2. the down-hole pressure according to claim 1 based on radio frequency extraction, temperature measurement system, it is characterised in that：It is described
Pressure, temperature measurement unit (100) include pressure sensor (1001) and temperature sensor (1002).
3. the down-hole pressure according to claim 1 based on radio frequency extraction, temperature measurement system, it is characterised in that：It is described
Signal condition unit (200) includes signal filter circuit (2001), signal amplification circuit (2002), wherein：Signal filter circuit
(2001) it is connected respectively with pressure sensor (1001) and temperature sensor (1002), signal filter circuit (2001) passes through signal
Amplifying circuit (2002) is connected with CPU (300).
4. the down-hole pressure according to claim 1 based on radio frequency extraction, temperature measurement system, it is characterised in that：It is described
CPU (300) includes microprocessor (3001), clock synchronization circuit (3002) and supervisory circuit (3003), wherein：
Microprocessor (3001) is respectively with clock synchronization circuit (3002), supervisory circuit (3003), signal amplification circuit (2002) and depositing
Storage unit (400) is connected；The microprocessor (3001) selects TMS320 series monolithics and its peripheral circuit.
5. the down-hole pressure according to claim 1 based on radio frequency extraction, temperature measurement system, it is characterised in that：It is described
Downhole radio-frequency read-write cell (500) includes radio frequency read/write circuit (5001) and radio-frequency antenna (5002), wherein：Radio frequency read/write circuit
(5001) it is connected with radio-frequency antenna (5002), radio frequency read/write circuit (5001) is connected with microprocessor (3001), radio-frequency antenna
(5002) wirelessly it is connected with RF tag (600).
6. the down-hole pressure according to claim 1 based on radio frequency extraction, temperature measurement system, it is characterised in that：It is described
The quantity of RF tag (600) is 2~N pieces, and N determines according to data volume waiting for transmission.
7. the down-hole pressure according to claim 1 based on radio frequency extraction, temperature measurement system, it is characterised in that：It is described
CPU (300) and memory cell (400) can be replaced simultaneously with LAUNCHXL-F28027 modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486822.4U CN206709890U (en) | 2017-05-04 | 2017-05-04 | A kind of down-hole pressure based on radio frequency extraction, temperature measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486822.4U CN206709890U (en) | 2017-05-04 | 2017-05-04 | A kind of down-hole pressure based on radio frequency extraction, temperature measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206709890U true CN206709890U (en) | 2017-12-05 |
Family
ID=60465317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720486822.4U Expired - Fee Related CN206709890U (en) | 2017-05-04 | 2017-05-04 | A kind of down-hole pressure based on radio frequency extraction, temperature measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206709890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167175A (en) * | 2017-05-04 | 2017-09-15 | 中国石油集团渤海钻探工程有限公司 | Down-hole pressure based on radio-frequency technique, temperature measurement signal Transmission system and method |
-
2017
- 2017-05-04 CN CN201720486822.4U patent/CN206709890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167175A (en) * | 2017-05-04 | 2017-09-15 | 中国石油集团渤海钻探工程有限公司 | Down-hole pressure based on radio-frequency technique, temperature measurement signal Transmission system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201277062Y (en) | Mine water trouble monitoring and intelligent early-warning system | |
| CN204228683U (en) | Gas sensing detects RFID Intellisense terminal | |
| US20150022326A1 (en) | System for Measuring and Reporting a Condition of Equipment | |
| CN208872879U (en) | A kind of microseism data collection system | |
| CN104458687A (en) | Device and method for identifying mine shaft water invasion resource based on laser induction and SIMCA classification method | |
| CN102174807A (en) | Ropeless static penetrometer and method for acquiring and processing data | |
| CN206709890U (en) | A kind of down-hole pressure based on radio frequency extraction, temperature measurement system | |
| CN107025771A (en) | A kind of massif disaster intelligent monitoring early warning system | |
| CN103306662B (en) | A kind of on-line monitoring and diagnosis system of all-hydraulic drill | |
| CN103149894B (en) | Vehicle-mounted control system and vehicle-mounted control method for soil sampling information | |
| CN202562648U (en) | Temperature remote real-time monitoring device | |
| CN107167175A (en) | Down-hole pressure based on radio-frequency technique, temperature measurement signal Transmission system and method | |
| CN203224436U (en) | Portable methane concentration detector | |
| CN206223496U (en) | A kind of gas sampling recorder | |
| CN203838869U (en) | Wireless coal mine pressure collection device | |
| CN205778840U (en) | A kind of GR well logging wireless senser with screening arrangement | |
| CN104568233A (en) | Pressure instrument data recording and inquiring system based on RFID Internet of Things technology | |
| CN204515432U (en) | Based on the [underground system of ARM | |
| CN205120032U (en) | Ultra -low power consumption does not have source structure strain monitoring device | |
| CN204389097U (en) | A kind of manometer based on RFID technology of Internet of things | |
| CN204948084U (en) | A kind of micropower wireless communication module automatic batch detection system | |
| CN202531160U (en) | Downhole intelligent storage type pressure gauge of oil-water well | |
| CN107192803A (en) | A kind of portable water quality visualizer based on the Big Dipper | |
| CN206038943U (en) | Portable automatic meteorological station calibration equipment | |
| CN201075121Y (en) | Device for discharging locally and detecting as well as recording voltage of middle-high pressure crosslinking cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20210504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |