CN203347750U - Black box for well drilling three meters - Google Patents
Black box for well drilling three meters Download PDFInfo
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- CN203347750U CN203347750U CN 201320309741 CN201320309741U CN203347750U CN 203347750 U CN203347750 U CN 203347750U CN 201320309741 CN201320309741 CN 201320309741 CN 201320309741 U CN201320309741 U CN 201320309741U CN 203347750 U CN203347750 U CN 203347750U
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Abstract
The utility model relates to a black box for well drilling three meters and the black box can record in real time load of a hook, drilling pressure and pump pressure during an oil drilling process and recorded data after the drilling can be checked and analyzed. The black box for the well drilling three meters comprises a hook load sensor, a pump pressure sensor, a circuit board and an anti-explosive shell sealing the circuit board. A circuit of the circuit board is formed by a signal conditioning circuit, an A/D converting circuit, a microprocessor circuit, an SD card data storing circuit and a data interface circuit. A drilling pressure valve can be automatically calculated according to hook load data by current signal output from the hook load sensor and the pump pressure sensor; and a data record is formed by the load of the hook, the pump pressure, the drilling pressure and time information provided by a real time clock and then is stored in the SD card data storing circuit. A technical problem that traditional three meters do not have a function of paper recording is solved, so that files can be stored, checked, filed and analyzed in a rational and regular way; and scientific evidence is provided for decision making and drilling project quality assessment.
Description
Technical field
The utility model belongs to oil exploration drilling ancillary engineering facility technical field, relate in particular to a kind of in Process of Oil Well Drilling the drilling well three table black boxes to the laggard row data query of weight on hook, the pressure of the drill, pump pressure real time record and finishing drilling and analysis.
Background technology
Black box is one of electronic recording equipment of aircraft special use at first, aviation flight register by name.It can quit work aircraft or have an accident and crash before SoundRec in halfhour relevant technologies parameter and driving cabin get off, while needing, recorded parameter is relay out, for flight experiment, crash analysis, all airplane crash reasons are all found out by black box in the world.Now be widely used in the fields such as aviation, navigation, road traffic, the scientific management of communications and transportation, the analysis of accident, the identification of responsibility played to first hand data that provides.
At present, in field of oil drilling, also be not used for specially as event is consulted, the black box equipment of analysis and drilling engineering quality evaluation.Although the mud logging service that well logging company provides can provide more engineering parameter and geological information in Process of Oil Well Drilling, cost is higher, only when important well drilling well, just selects mud logging service.
Tradition three tables in drilling engineering, weight indicator (weight on hook table, the pressure of the drill table), Pump pressure meter, be the special equipment that must join in petroleum drilling engineering, meeting aspect people's visual custom, is effective; Traditional weight indicator (weight on hook table, the pressure of the drill table) is to transmit the dead line pulling force on dead line anchor by oil pressure, drives weight indicator indication weight on hook, the pressure of the drill and the recorder of bowden tubular type to record weight on hook, the pressure of the drill.
The utility model content
The purpose of this utility model be for solve traditional three parameters (weight on hook, the pressure of the drill, pump pressure) in drilling engineering without a paper recording technique difficult problem, for the scientific and normal preservation of data, file, inquire about, analysis, decision-making, and the problem such as assessment drilling engineering quality, the drilling well three parameter black boxes of the foundation of science are provided.
The technical solution of the utility model is:
A kind of drilling well three table black boxes, be comprised of the explosion-resistant enclosure of weight on hook sensor 1, pump pressure sensor 2, circuit board and dimensional packaged circuit board.Wherein board circuit is comprised of signal conditioning circuit 3, A/D change-over circuit 4, microcontroller circuit 5, SD card data storage circuitry 6 and data interface circuit 7.Weight on hook sensor 1, pump pressure sensor 2 are arranged on the relevant position of well in operation, and the signal of the electric current of its output calculates the pressure of the drill value automatically according to the weight on hook data; Form a data record together with the temporal information that weight on hook, pump pressure, the pressure of the drill data and real-time clock 10 provide, be stored in SD card data storage circuitry 6.
Described technical scheme also comprises:
A/D change-over circuit 4 mainly is comprised of 12 A/D converter TCL2543 of serial, and its conversion speed is 10Hz, and AD0 is defined as the pump pressure input, and AD1 is defined as the weight on hook input.
The microcontroller circuit 5 employing high speed military products China single-chip microcomputer W77IE589 of nation, as the CPU of black box, coordinate watchdog circuit 8 and real-time clock 10 to form, and realize the functions such as data acquisition, the storage of SD card data, data download and parameter arrange.
Described technical scheme further comprises:
Single-chip microcomputer, after data-interface 7 carries out level conversion, with upper machine communication, carries out data download, parameter setting, and its parameter setting comprises well-name, sub-thread load, up/down position machine time correspondence, pump pressure lower limit, time data memory interval, pump pressure transmission ratio.
Good effect of the present utility model is, solved tradition three tables (weight on hook table, the pressure of the drill table, Pump pressure meter) in the drilling engineering without a paper recording technique difficult problem, for the scientific and normal preservation of data, file, inquire about, analysis, decision-making, and the problem such as assessment drilling engineering quality, the foundation of science is provided.
In addition, this drilling well three table black boxes have the advantages such as price is low, easy to operate, and applicable drilling crew generally applies; But the situation of change of weight on hook, the pressure of the drill, pump pressure data in the whole drilling process of complete documentation, for event consult and analysis and the drilling engineering quality evaluation significant.
The accompanying drawing explanation
The circuit diagram that Fig. 1 is a kind of drilling well three table black box embodiment.
Fig. 2 is a kind of drilling well three table black box signal conditioning circuit schematic diagrams.
Fig. 3 is a kind of drilling well three table black box A/D change-over circuit schematic diagrams.
Fig. 4 is a kind of drilling well three table black box SD card data storage circuitry schematic diagrams.
Fig. 5 is a kind of drilling well three table black box real time clock circuit schematic diagrams.
Fig. 6 is a kind of drilling well three table black box data interface circuit schematic diagrams.
The specific embodiment
Now describe by reference to the accompanying drawings specific embodiments of the present utility model in detail.
A kind of drilling well three table black boxes, be comprised of the explosion-resistant enclosure of weight on hook sensor 1, pump pressure sensor 2, circuit board and dimensional packaged circuit board.
With reference to Fig. 1, board circuit is comprised of signal conditioning circuit 3, A/D change-over circuit 4, microcontroller circuit 5, SD card data storage circuitry 6 and data interface circuit 7.Wherein weight on hook and pump pressure data are directly obtained by the weight on hook sensor 1 on the relevant position that is arranged on well in operation, pump pressure sensor 2, and the data based weight on hook data of the pressure of the drill calculate the pressure of the drill value automatically.Form a data record together with the temporal information that weight on hook, pump pressure, the pressure of the drill data and real-time clock 10 provide, be stored in SD card data storage circuitry 6.
With reference to Fig. 2, signal conditioning circuit 3 comprises the front interface treatment circuit be comprised of the OP07 operational amplifier, respectively the two-wire system 4-20mA signal of weight on hook sensor, pump pressure sensor output is nursed one's health, converted to voltage signal, met the requirement of 4 pairs of signals of A/D conversion.
With reference to Fig. 3, A/D change-over circuit 4 mainly is comprised of 12 A/D converter TCL2543 of serial, and its conversion speed is 10Hz, to meet the requirement of system to sample frequency.AD0 is defined as the pump pressure input, and AD1 is defined as the weight on hook input.Another parameter the pressure of the drill of drilling well three parameter black box storages is automatically to be calculated and obtain by scm software according to the situation of change of hook load parameter.
With reference to Fig. 4, SD card data storage circuitry 6, wherein the SD khaki has high memory capacity, rapid data transmission rate, great mobile flexibility and well safety.If the selected 2S time interval is carried out the data storage, the SD card of 16G capacity can be stored the data of a year, has met the requirement of field data storage.
The microcontroller circuit 5 employing high speed military products China single-chip microcomputer W77IE589 of nation, as the CPU of black box, coordinate watchdog circuit 8 and real-time clock 10 to form, and realize the functions such as data acquisition, the storage of SD card data, data download and parameter arrange.Watchdog circuit 8 is for the soft start of system, the stability of assurance system operation; Watchdog circuit 8 can carry out communication by being connected in series mouth with single-chip microcomputer 9 simultaneously, and inner 512 byte storage units are used for depositing the black box parameter.
With reference to Fig. 5, the time format of real-time clock 10 outputs is: during xxxx xx month xx day xx, xx divides xx second.Store real-time time is provided for the data of three table black boxes.
With reference to Fig. 6, single-chip microcomputer COM0 is after data-interface 7 carries out level conversion, can be used for and upper machine communication, carry out data download, parameter setting (comprising well-name, sub-thread load, up/down position machine time correspondence, pump pressure lower limit, time data memory interval, pump pressure transmission ratio) etc.
Application example of the present utility model
The weight on hook of situ of drilling well and the output of the sensor of pump pressure are all the current signals of 4-20 mA, need to be converted into the voltage signal of 0-5V before carrying out digitlization, by pre-process circuit, have carried out impedance and voltage transformation.Adopt the signal conditioning circuit mainly formed by operational amplifier OP07 to carry out impedance and voltage transformation, meet the input requirements of A/D converter.The high-speed ADC chip TCL2543 that the precision that analog-to-digital conversion is produced by TI company is 12 completes, deliver to the magnificent single-chip microcomputer W77IE58 of nation by the universal serial bus of TCL2543 and carry out Treatment Analysis, the temporal information that real time clock circuit provides is the weight on hook collected, pump pressure and calculate out current the pressure of the drill Value Data and stamp markers, form a data record, real-time storage is in the SD card, gather, storing frequencies can be set, be up to 10Hz, but weight on hook in the whole drilling process of complete documentation, the pressure of the drill, the situation of change of pump pressure data, for event consult and analysis and drilling engineering quality evaluation provide initial data.The level shifting circuit be comprised of MAX232 converts Transistor-Transistor Logic level to the RS232 level, is convenient to store the derivation of data and the setting of drilling parameter.
In three parameters of described drilling well three parameter black boxes records, weight on hook, two parameters of pump pressure are directly to measure and obtain, the pressure of the drill is obtaining of automatically being calculated by scm software according to the weight on hook situation of change.The weight on hook of measuring is a dynamic amount, is referred to as dynamic weight on hook, need in these dynamic weight on hooks, find the smooth place of its variation, i.e. curved section during the drilling tool uniform motion.Method is: set weight on hook amplitude thresholding, time threshold and slope threshold, the point that meets these three threshold criterions is considered as characteristic point, the arithmetic mean of instantaneous value of the characteristic point of some is static weight on hook value, this static weight on hook value in fact also comprises the composition of frictional resistance, but frictional resistance is much smaller than weight on hook, and frictional resistance is ignored, therefore still be called static weight on hook value, therefore, the pressure of the drill just equals the reduction of static weight on hook, that is:
F=F
1-F
2
In formula, F is the pressure of the drill, F
1for static weight on hook, F
2for dynamic weight on hook; When F is positive number, it is the pressure of the drill value (value of being hampered); When F is negative, be Value of Friction Loss (chance calorific power).
Claims (6)
1. black boxes are shown in a drilling well three, it is characterized in that: the explosion-resistant enclosure by weight on hook sensor (1), pump pressure sensor (2), circuit board and dimensional packaged circuit board forms, and wherein board circuit is comprised of signal conditioning circuit (3), A/D change-over circuit (4), microcontroller circuit (5), SD card data storage circuitry (6) and data interface circuit (7); The signal of the electric current of weight on hook sensor (1), pump pressure sensor (2) output, calculate the pressure of the drill value automatically according to the weight on hook data; Form a data record together with the temporal information that weight on hook, pump pressure, the pressure of the drill data and real-time clock (10) provide, be stored in SD card data storage circuitry (6).
2. black boxes are shown in drilling well three according to claim 1, it is characterized in that: signal conditioning circuit (3) comprises the front interface treatment circuit be comprised of the OP07 operational amplifier, respectively the two-wire system 4-20mA signal of weight on hook sensor, pump pressure sensor output is nursed one's health, convert voltage signal to, meet the requirement of A/D change-over circuit (4) to signal.
3. black boxes are shown in drilling well three according to claim 2, and it is characterized in that: A/D change-over circuit (4) mainly is comprised of 12 A/D converter TCL2543 of serial, and its conversion speed is 10Hz, and AD0 is defined as the pump pressure input, and AD1 is defined as the weight on hook input.
4. black boxes are shown in drilling well three according to claim 3, it is characterized in that: microcontroller circuit (5) adopts the high speed military products China single-chip microcomputer W77IE58(9 of nation) as the CPU of black box, coordinate watchdog circuit (8) and real-time clock (10) to form, realize data acquisition, the storage of SD card data, data download and parameter setting function.
5. black boxes are shown in drilling well three according to claim 4, it is characterized in that: single-chip microcomputer is after data-interface (7) carries out level conversion, with upper machine communication, carry out data download, parameter setting, its parameter setting comprises well-name, sub-thread load, up/down position machine time correspondence, pump pressure lower limit, time data memory interval, pump pressure transmission ratio.
6. according to the described drilling well three table black boxes of claim 4 or 5, it is characterized in that: watchdog circuit (8) carries out communication with single-chip microcomputer (9) by being connected in series mouth, and inner 512 byte storage units are used for depositing the black box parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320309741 CN203347750U (en) | 2013-05-31 | 2013-05-31 | Black box for well drilling three meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320309741 CN203347750U (en) | 2013-05-31 | 2013-05-31 | Black box for well drilling three meters |
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| Publication Number | Publication Date |
|---|---|
| CN203347750U true CN203347750U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320309741 Expired - Fee Related CN203347750U (en) | 2013-05-31 | 2013-05-31 | Black box for well drilling three meters |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831332A (en) * | 2017-12-07 | 2018-03-23 | 广东电网有限责任公司电力科学研究院 | A kind of transient state oil stream velocity measuring device during transformer short-circuit impact |
-
2013
- 2013-05-31 CN CN 201320309741 patent/CN203347750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831332A (en) * | 2017-12-07 | 2018-03-23 | 广东电网有限责任公司电力科学研究院 | A kind of transient state oil stream velocity measuring device during transformer short-circuit impact |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20210531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |