CN206111163U - System is examined to multi -parameter logging instrument mark - Google Patents

Abstract

The utility model relates to a petroleum engineering field especially relates to a system is examined to multi -parameter logging instrument mark. It examines system, standard oil groove, flux scale and examines the system to examine appearance, GR dial drum, pressure gauge mark including the mark, the mark is examined the appearance and is included the control unit, host computer, signal generator, printer and oscilloscope, the GR dial drum is used for GR appearance API scale, stability testing and the test of work ping qu, the pressure gauge mark is examined the system and is used for the pressure gauge to mark and the examination, the standard oil groove is used for well temperature appearance to mark and the examination, the flowmeter is used for the flowmeter to mark and the examination, signal generator provides punctuate and the required various signals of examination. The utility model discloses one set of beneficial effect that the system can mark, examine and determine and maintain the multi -parameter logging instrument has been reached.

Description

A kind of multi-parameter logger mark check system

Technical field

This utility model is related to petroleum works field, more particularly to a kind of multi-parameter logger mark check system.

Background technology

Oil field cannot be entered at the scene currently without the multi-parameter logger mark check system of complete set when instrument breaks down Row maintenance simultaneously provides corresponding mark inspection report.Generally needing for instrument to beam back our factory man carries out necessary professional equipment maintenance, this Sample not only waste of manpower and financial resources, and leverage the normal production operation in oil field.

The content of the invention

Technical problem to be solved in the utility model is to provide a kind of multi-parameter logger mark check system, reaches a set of system The beneficial effect that system can be demarcated to multi-parameter logger, examined and determine and keeped in repair.

To solve above-mentioned technical problem, the technical scheme that this utility model is adopted is：A kind of multi-parameter logger is provided Mark check system, it is characterized in that：

Including mark inspection instrument, GR dial drum, piezometer mark check system, standard oil tank, flux scale check system；

The mark inspection instrument includes control unit, host computer, signal generator, printer and oscillograph；

The GR dial drum is used for GR instrument API scales, stability test and work Ping Qu tests；

The piezometer mark check system is used for piezometer and demarcates and examine and determine；

The standard oil tank is used for borehole thermometer and demarcates and examine and determine；

The effusion meter is used for flow meter calibration and calibrating；

The signal generator provides punctuate and the various signals needed for calibrating.

Also include air bath, oil bath baking oven.

Described control unit includes signaling interface, signal processing circuit and single-chip microcomputer, the signaling interface and GR Instrument, piezometer, borehole thermometer, effusion meter connect respectively, and the signal processing circuit includes graceful code signal processing circuit, pulse signal Process circuit, lower extension instrument signal processing circuit, simulation magnetic locating signal process circuit, mark inspection signal processing circuit, gamma Ping Qu Detection circuit and GM signal deteching circuits, the single-chip microcomputer is connected with host computer.

This utility model has advantages below：

1st, mark the advanced technology that the hard ware ＆ soft ware design of check system is adopted, it is high with reliability, complete numeral method and Dataphone, can be readily achieved connecting for new instrument.

2nd, system can solve the graceful code of standard, lower extension instrument NRZ, pulse and simulation magnetic locating signal.

3rd, automatic test can be carried out to gamma Ping Qu, gamma detection circuit linearity.

4th, lower extension instrument temperature, pressure, flow can be demarcated and is examined and determine.

Description of the drawings

Fig. 1 circuit theory diagrams system block diagrams；

The graceful code decoding circuit of Fig. 2 standards and positive negative pulse stuffing decoding circuit；

Instrument NRZ decoding circuit and mark inspection circuit are hung under Fig. 3；

Fig. 4 simulates magnetic orientation decoding circuit；

Fig. 5 gamma circuit linear detection circuits；

Fig. 6 digital regulation resistance AD5262；

Fig. 7 high pressure bleeder circuits；

Fig. 8 single chip circuits；

Fig. 9～13 are specific embodiment external structure schematic diagrams.

Specific embodiment

Technical solution of the present utility model is：

Automatically mark check system is by marking inspection instrument (containing microcomputer, printer and oscillograph), GR dial drum, pressure The compositions such as meter mark check system, standard oil tank, flux scale check system, the system is except entering rower inspection, dimension to instrument Repair outer, moreover it is possible to enter rower inspection to piezometer, borehole thermometer, effusion meter and keep in repair.

Systemic-function：

GR instrument mark is examined

1 GR instrument API scales

Instrument API scale models adopt U.S.'s API standard, after API scales, the calibration factor of instrument are obtained.Should Coefficient can eliminate the difference between different instruments, obtain identical measurement result.

2 stability of instrument are tested

By the stability measurement to being carried out 2 hours by test examination instrument, the stability error of the instrument can be automatically obtained, The stability of index reflection downhole instrument work.

The work Ping Qu tests of 3 instruments

The function mainly completes the level ground inspection of downhole instrument probe, and system is found out by automatic switchover level ground area's resistance

Instrument work level ground area scope, can automatically provide level ground area starting resistance and voltage, level ground end of extent resistance and voltage, most Jia Ping areas functional resistance value and magnitude of voltage, can well instruct the maintenance of downhole instrument.

Piezometer mark is examined

1 piezometer is demarcated

The system can carry out staking-out work to piezometer, obtain calibration factor, and carry out middle preservation.

2 piezometers are examined and determine

The system can be examined and determine the piezometer demarcated, output calibrating form.

Borehole thermometer mark is examined

1 borehole thermometer is demarcated

High-precision calibrating can be carried out to borehole thermometer, by being input into standard temperature value (being measured with high accuracy mercurial thermometer), Automatically calibration factor is calculated, is preserved in the calculation in text form.

2 borehole thermometers are examined and determine

The system can be examined and determine the borehole thermometer demarcated, and exports calibrating form.

Effusion meter mark is examined

When flux scale inspection is carried out, with perfect report generation and system management function, flux scale check system can be used The normal flow file for being given calculates tested effusion meter error, and calibration factor can be delivered in effusion meter.

2nd, design

According to the function having of DCK500, its hardware circuit principle design frame chart is as shown in Figure 1：

2.1 power circuit

System is powered using twin-power switch power supply.Realize that dual decoding passage works independently simultaneously.

Digital control system process circuit power supply adopts bright prestige power supply RQ-50 series switch power supplys, and the power supply is exportable+ 5V, ± 12V and+24V DC voltages.

The graceful code decoding circuit of 2.2 standards and positive negative pulse stuffing decoding circuit

Graceful code decoding circuit and positive negative pulse stuffing decoding circuit are as shown in Figure 2.The Main Function of graceful code decoding circuit be by Cable catches the graceful code of bipolarity for coming and is changed into single graceful code so as to Single Chip Microcomputer (SCM) system decoding.The graceful code of bipolarity is through TL082 computings Amplifier amplified signal carries out positive negative pulse stuffing separation, divides after the signal Jing LM311 comparators and 40106 phase inverters after separation Do not connect R, S two ends of d type flip flop 74HC74, now the Q of d type flip flop withEnd output waveform is single graceful code.Then willIt is defeated The graceful code of list for going out send single-chip microcomputer to be decoded.

The unipolarity or double polarity pulse signal that positive negative pulse stuffing decoding circuit transmits on cable carries out positive negative pulse stuffing separation, ratio Compared with, it is anti-phase after send single-chip microcomputer intervalometer T0, T1 to be counted respectively by P-, P+.

2.3 times extension instrument NRZ decoding circuits and mark inspection circuit

As shown in Figure 3, the circuit acts primarily as level conversion effect to lower extension instrument NRZ decoding circuit.By the circuit Address is sent to downhole instrument, downhole instrument to be received and send its data and by numerical control system to numerical control by the circuit behind the address of oneself System is decoded.When mark inspection pattern is selected, instrument calibration coefficient can be passed to downhole instrument by numerical control by the circuit.

2.4 simulation magnetic orientation decoding circuits

Simulation magnetic orientation decoding circuit is mainly made up of second-order low-pass filter circuit and amplifying circuit.Wherein amplifying circuit is put Big multiple can be by Single-chip Controlling.Gain-adjusted can be carried out to simulating magnetic locating signal.Simulation magnetic locating signal it is filtered and 12 A/D that single-chip microcomputer is carried are sent to be sampled after amplification.Its circuit diagram is as shown in Figure 4.

2.5 gamma circuitry linearity tests

Gamma circuitry linearity test is the linear case of inspection apparatus wiring board.It is main that different frequencies are sent by software system The control command of rate value to gamma signal deteching circuit plate input, while controlling slave computer receives the number beamed back of Gamma device According to, and draw gamma circuitry linearity test curve.The holding wire that first photomultiplier tube is come disconnects from detection circuit, then will The pwm signal Jing peakers that DCK500 is produced process the input for being followed by detecting circuit.Then again by gal race detection circuit Output signal send single-chip microcomputer timer conter to be counted.The count value by serial ports issue host computer carry out data display and Curve shows.The linear spy that circuit has had is illustrated if the counted number of pulses of single-chip microcomputer is equal with the pulse signal frequency of input Property.Accompanying drawing 5 is gamma circuit linear detection circuit.

2.6 gamma Ping Qu are detected

The function mainly completes the level ground inspection of downhole instrument probe, and system finds out instrument work by automatic switchover level ground area's resistance Level ground area scope, can automatically provide level ground area starting resistance and voltage, level ground end of extent resistance and voltage, optimal level ground area functional resistance value And magnitude of voltage.

Need first to disconnect the level ground area resistance of Gamma device before detection level ground area, then potentiometer terminal cable is connected to into level ground area resistance Position, runs level ground area inspection software, you can carry out Ping Qu tests.

Gamma Ping Qu detect circuit by digital regulation resistance, high-pressure modular, high pressure bleeder circuit and singlechip group into.By list Piece machine control digital regulation resistance resistance come change high-voltage value size and record gamma counted number of pulses.Single-chip microcomputer needs collection The high pressure of downhole instrument high-pressure modular output.So the high pressure will carry out A/D collections after bleeder circuit blood pressure lowering by single-chip microcomputer.It is high Pressure bleeder circuit is as shown in Figure 7.AD5262 of the digital regulation resistance from AD companies.The digital regulation resistance is dual pathways four-wire type SPI compatible type serial date transfers, resolution is 256, can single dual power supply, its single supply supply district is 5V～15V, Range is 200K Ω.Fig. 6 is digital circuit device AD5262 circuit diagrams, and Fig. 7 is high-voltage acquisition circuit.

2.7 single-chip microcomputer

From the C8051F040 single-chip microcomputers of dragon company of Xinhua.The single-chip microcomputer is powered using 3.3V, with 3～24.5MHz's Programmable oscillator, the A/D of 12,8 A/D, two exterior interrupts, two UART serial line interfaces, five general 16 The hardware capabilitys such as intervalometer.Single-chip microcomputer is as shown in Figure 8.

2.8 scheme of machine design

According to project alternative, machine drawing is as shown in Figure 9.

This utility model can be used for the parameters such as mark inspection well temperature, pressure, gamma, flow there is provided one kind, while can carry out The work such as maintenance multiparameter instrument.DCK500 automatic Calibration platforms have following functions requirement.

Function with the graceful code of solution standard, lower extension instrument NRZ, pulse and simulation magnetic locating signal.

Equipment is dual power supply, the autonomous working of dual decoding passage, and software can simultaneously open two interfaces.

The frozen-free of equipment humidity 80%.

Temperature sense parameter can be done.

Equipped with air bath, oil bath baking oven.

Function is detected with Gamma-stable.

With gamma level ground area automatic detection function.

With gamma circuitry linearity test automatic detection function.

Demarcation with Instrument for Pressure, thermometer and flow instrument and calibrating function.

System need to be furnished with the equipment such as industrial computer, piston manometer, signal generator, oscillograph, printer.

Upper computer software has the calibrating function of temperature, pressure, flow.

Upper computer software has temperature, pressure, flow calibration and calibrating report output function.

Upper computer software has gamma level ground area test curve display function and calculates optimal level ground area resistance value and high-voltage value The function of function and output high pressure level ground area test report.

Upper computer software has the function of gamma circuitry linearity curve display function and the linear testing journal sheet of output circuit.

The system is dual system, can simultaneously connect two sets of instruments, and with computer simultaneous communications.Front panel mainly has passage to select Select, data display, reset, positive negative pulse stuffing, functional select switch, selection of time switch, communication selecting switch, adjust resistance output Terminal, automatic frequency output resistance, rate-adaptive pacemaker polarity switch, frequency gain, simulation magnetic orientation gain, graceful code gain, high pressure Output, inside and outside high pressure selecting switch, signal input terminal, length cable switch, dummycable adjust switch etc..

First instrument is accessed by input terminal, while by electricity on direct-current dual power, input terminal is connected with direct-current dual power, can Powered directly to instrument by input terminal, and signal is introduced decoding deck by input terminal.

The gear that dummycable is adjusted to need, length cable is first adjusted to short cable, is debugged.

Functional select switch is adjusted to correct instrument type, such as：Graceful code instrument, is adjusted to graceful code shelves；Lower extension instrument, adjusts To WTC.

Select communication Yes/No, if select communication it is no, now, system not with dataphone, data can be straight by charactron Display is connect, and charactron channel data to display is selected by channel selector switch；Selection of time switch control data shows Area's data to be shown are that 1S is counted, 10S is counted, 30S is counted, 60S is counted.When data are normal, decoding lantern festival is bright always.

If selecting communication to be that now, system is communicated with computer, charactron does not show gathered data.Now by upper Position machine software control function operation, data are shown that rower checking functions of going forward side by side are operated by host computer.

High voltage output terminal.When inside and outside high-voltage switch gear is adjusted to inner high voltage, HT pilot is bright.This terminal output high pressure, Instrument high-voltage line junction can be introduced by lead；When outer high pressure is adjusted to, system does not produce high pressure, high by instrument high-pressure modular Pressure leading-in terminal, and high pressure is gathered by collection plate, now HT pilot does not work.

Claims (2)

1. a kind of multi-parameter logger mark check system, it is characterised in that：

Including mark inspection instrument, GR dial drum, piezometer mark check system, standard oil tank, flux scale check system；

The mark inspection instrument includes control unit, host computer, signal generator, printer and oscillograph；The GR scale Cylinder is for GR instrument API scales, stability test and work Ping Qu tests；The piezometer mark check system is used for piezometer Demarcate and examine and determine；The standard oil tank is used for borehole thermometer and demarcates and examine and determine；The effusion meter is used for flow meter calibration and calibrating；Institute State signal generator and punctuate and the various signals needed for calibrating are provided；

Described control unit includes signaling interface, signal processing circuit and single-chip microcomputer, the signaling interface and GR instrument, pressure Power meter, borehole thermometer, effusion meter connect respectively, and the signal processing circuit includes graceful code signal processing circuit, pulse signal process Circuit, lower extension instrument signal processing circuit, simulation magnetic locating signal process circuit, mark inspection signal processing circuit, gamma Ping Qu detections Circuit and GM signal deteching circuits, the single-chip microcomputer is connected with host computer.

2. multi-parameter logger mark check system according to claim 1, it is characterised in that：Also include air bath, oil bath baking oven.