CN220252191U - Logging instrument ground testing device - Google Patents
Logging instrument ground testing device Download PDFInfo
- Publication number
- CN220252191U CN220252191U CN202321533700.8U CN202321533700U CN220252191U CN 220252191 U CN220252191 U CN 220252191U CN 202321533700 U CN202321533700 U CN 202321533700U CN 220252191 U CN220252191 U CN 220252191U
- Authority
- CN
- China
- Prior art keywords
- instrument
- circuit
- resistor
- logging instrument
- logging
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000003321 amplification Effects 0.000 claims abstract description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 210000002445 nipple Anatomy 0.000 claims description 5
- 238000005481 NMR spectroscopy Methods 0.000 claims description 4
- 238000001730 gamma-ray spectroscopy Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 19
- 230000005540 biological transmission Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 4
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a logging instrument ground testing device, which comprises: the singlechip is used for sending an instrument command string according to the target logging instrument; the command circuit is connected with the singlechip and used for encoding the instrument command string and transmitting the instrument command string to the target logging instrument after power amplification; and the receiving and decoding circuit is connected with the target logging instrument and is used for respectively decoding feedback data of the target logging instrument through a plurality of independent sub-circuits and transmitting the feedback data to the singlechip. The utility model can directly send data to the ground for detection test when in instrument test.
Description
Technical Field
The utility model relates to the technical field of logging while drilling equipment in petroleum drilling, in particular to a ground testing device of a logging instrument.
Background
With the penetration and popularization of drilling exploration, the demand for logging instruments is greatly increased, and more logging companies choose to purchase logging instruments. Of these, the 5700 series of logging tools available from the baker atlas company are currently the most widely used logging tools. According to the logging principle of the instrument, a plurality of logging series such as victory 6000 series, EILog (Express and Image Logging System) series of CPL and the like are developed successively by a plurality of domestic companies, and the instrument is characterized by being a large-scale and integrated complete logging device, so that the virtuous circle of the technology and market of research, development and service teams is formed.
However, the above-mentioned apparatus has some inconveniences in ground detection, specifically: in the ECLIPS5700 logging system, the command bus and the data bus of the logging instrument are transmitted by using standard manchester codes, and in the ground test, the logging instrument must be switched through 3514 telemetry communication instruments of the baker atlas company, and the ECLIPS5700 ground system is used for testing. After the 3514 telemetry communication instrument is connected, although the problem of long-distance communication is solved, another problem is brought about, firstly, if the 3514 telemetry communication instrument fails or a measurement error occurs, the telemetry communication instrument becomes an introduced interference source to seriously affect the ground test and even cause test failure, and in addition, the 3514 telemetry communication instrument and the ECLIPS5700 ground system are taken as a part of purchase instruments, are expensive, and are not suitable for being taken as long-term or frequently used test instruments on the ground.
Aiming at the problems in the prior art, the utility model provides a ground testing device of a logging instrument.
Disclosure of Invention
To solve the problems in the prior art, the present utility model provides a ground testing device for a logging instrument, the device comprising:
the singlechip is used for sending an instrument command string according to the target logging instrument;
the command circuit is connected with the singlechip and used for encoding the instrument command string and transmitting the instrument command string to a target logging instrument after power amplification;
and the receiving and decoding circuit is connected with the target logging instrument and is used for respectively decoding feedback data of the target logging instrument through a plurality of independent sub-circuits and transmitting the feedback data to the singlechip.
According to one embodiment of the present utility model, the single chip microcomputer includes: a programmable counter array and a programmable oscillator, wherein the programmable counter array includes a counter/timer and a plurality of capture/compare circuits.
According to one embodiment of the utility model, the target logging instrument comprises any one or a combination of any of the following: 1515 high resolution induction instrument, 1022STAR sonography instrument, XMACII cross dipole sonic instrument, 1329 natural gamma spectroscopy instrument, 2446 compensated neutron instrument, 2228 lithology density instrument, 3218MREX nuclear magnetic resonance instrument, 1680 digital sonic instrument, 4401 azimuth nipple instrument and 3516 full-penetration adapter.
According to one embodiment of the utility model, the command circuit includes:
the encoder is connected with the singlechip and used for encoding the instrument command string into a differential Manchester code signal;
the driving circuit is connected with the encoder and used for carrying out power amplification on the differential Manchester code signals to obtain differential Manchester code signals capable of driving the transformer;
and the command transmitting circuit is connected with the driving circuit and is used for transmitting the instrument command string code to a target logging instrument in the form of Manchester codes according to the differential Manchester code signals capable of driving the transformer.
According to an embodiment of the present utility model, the command transmitting circuit includes:
the negative electrode of the first diode is connected with the first output end of the driving circuit;
the first end of the first resistor is connected with the positive electrode of the first diode;
one end of a primary coil of the transformer is connected with the second end of the first resistor;
the cathode of the second diode is connected with the second output end of the driving circuit;
the first end of the second resistor is connected with the positive electrode of the second diode, and the second end of the second resistor is connected with the other end of the primary coil of the transformer;
and a first power supply connected to the primary winding of the transformer.
According to one embodiment of the utility model, the feedback data separation is implemented by a plurality of sub-circuits, and the target logging tool in the whole logging tool string can be classified or detected individually, wherein the receiving and decoding circuit comprises three sub-circuits, a first sub-circuit receives mode 2 data of the target logging tool, a second sub-circuit receives mode 5 data of the target logging tool, and a third sub-circuit receives mode 7 data of the target logging tool.
According to one embodiment of the utility model, the sub-circuit comprises:
a receiving circuit connected with the target logging instrument for receiving the feedback data;
and the decoding circuit is connected with the receiving circuit and used for decoding the feedback data into a standard Manchester code signal and transmitting the standard Manchester code signal to the singlechip.
According to one embodiment of the utility model, the receiving circuit comprises:
the first end of the third resistor is connected with one end of the target logging instrument, and the second end of the third resistor is connected with the other end of the target logging instrument;
a fourth resistor, the first end of which is connected with the second end of the third resistor;
the first input end of the optical coupler is connected with the first end of the third resistor, and the second input end of the optical coupler is connected with the second end of the fourth resistor;
and the first end of the fifth resistor is connected with the output end of the optical coupler, and the second end of the fifth resistor is connected with a second power supply.
According to one embodiment of the utility model, the device comprises an adjustable alternating current power supply and a direct current power supply, wherein the adjustable alternating current power supply supplies power for the target logging instrument, and the direct current power supply supplies power for electric equipment in the device.
According to one embodiment of the utility model, the apparatus includes an instrument interface for connecting a target logging instrument.
The utility model provides a ground testing device of a logging instrument, which can directly send data to the ground for detection test when the instrument is tested, and the logging instrument is not required to be switched through a 3514 underground telemetry communication instrument and then tested through an ECLIPS5700 ground system. The utility model can greatly save the purchase cost of 3514 underground telemetry communication instruments and ECLIPS5700 ground systems, is faster and more convenient, and improves the signal transmission and processing capacity.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model, without limitation to the utility model. In the drawings:
FIG. 1 shows a block diagram of a surface testing device for a logging instrument, according to one embodiment of the utility model;
FIG. 2 shows a block diagram of a single chip and command circuit according to one embodiment of the utility model;
fig. 3 shows a block diagram of a receiving and decoding circuit and a single-chip microcomputer according to an embodiment of the utility model.
In the drawings, like parts are designated with like reference numerals. In addition, the drawings are not drawn to scale.
The meaning of the reference numerals in the drawings is as follows: 101-a singlechip; 102-an encoder; 103-a driving circuit; 104-a first decoding circuit; 105-a second decoding circuit; 106-a third decoding circuit; 107-command transmitting circuit; 108-a first receiving circuit; 109-a second receiving circuit; 110-a third receiving circuit; 111-an adjustable ac power supply and a dc power supply; 112-instrument interface; 113-external device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
In the prior art (design of a polarity compatible coding and decoding system in long cable transmission, automation technology and application, 2013-09-25) a transmission system formed by Manchester coding is designed, a coder is designed by using an FPGA device, the long cable transmission of thousands of meters is realized, the transmission quality of signals is ensured, the mentioned coding and decoding system, a coding and decoding unit, a transformer and the like are all used for improving the communication capacity of a line communication module RS485, only a synchronous head is added, and the structure of Manchester data coding is not changed basically.
The technical proposal of the prior art (the application research of Manchester coding technology in logging data transmission, computer and digital engineering, 2009-09-20), the prior art (Manchester code multiplex data transmission system, academy of western Industrial science, 2003-12-30), the prior art (the coding and decoding of Manchester code is realized by C8051F005, the academy of new country (natural science edition), 2011-02-15) is consistent with the prior art (the design of a polarity compatible coding and decoding system in long cable transmission, the automation technology and the application, 2013-09-25), and still solves the problem of thousands of meters of long cable transmission.
The digital control downhole logging instrument in the prior art (based on FPGA and DSP logging telemetry signal decoding technology, geophysical progress, 2006-02-28) adopts a BPSK signal coding mode for transmission, telemetry transmission rate is 100kbps, and the digital control downhole logging instrument is not a standard Manchester coding mode adopted by a traditional 5700 series downhole logging instrument, so that the problem of realizing logging telemetry signal decoding by using FPGA and DSP in a homemade instrument is solved.
The prior art (CN 112491763 a) only mentions improving the accuracy and efficiency of decoding, and it does not mention logging tool surface detection.
The prior art does not mention the ground detection of the logging instrument, so the utility model provides a ground testing device of the logging instrument, which is used for completely replacing 3514 telemetry communication instrument and ECLIPS5700 ground system, and can realize the ground detection of the logging instrument by transmitting more than 10 meters in a nondestructive way.
FIG. 1 shows a block diagram of a surface testing device for a logging instrument, according to one embodiment of the utility model. The ground test device 100 of logging instrument can complete the ground test of various downhole instruments for logging, can realize the data transmission of more than 10 meters of nondestructive transmission, directly send the data to the ground for detection test, can also display the ground test result through external equipment 113, and comprises: the system comprises a singlechip 101, a command circuit and a receiving and decoding circuit.
The singlechip 101 is used for sending instrument command strings according to the target logging instrument. In one embodiment, the target logging instrument comprises any one or a combination of any of the following: 1515 high resolution induction instrument, 1022STAR acoustic-electric imaging instrument, XMACII cross dipole acoustic instrument, 1329 natural gamma spectroscopy instrument, 2446 compensated neutron instrument, 2228 lithology density instrument, 3218MREX nuclear magnetic resonance instrument, 1680 digital acoustic instrument, 4401 azimuth pup joint instrument, 3516 full-penetration adapter, etc.
In one embodiment, the single chip microcomputer 101 includes: a programmable counter array and a programmable oscillator, wherein the programmable counter array comprises a counter/timer and a plurality of capture/compare circuits. Specifically, the single chip 101 contains a Programmable Counter Array (PCA) that provides enhanced timer functionality, the programmable counter array containing a dedicated 16-bit counter/timer and 6 16-bit capture/compare circuits, each with its own I/O line (CEXn). These I/O lines are connected to port I/Os through a crossbar when enabled. The counter/timer is driven by a programmable time base signal selectable from seven clock sources: system clock, system clock/4, system clock/12, external oscillator clock/8, smaRTClock/8, timer 0 overflow, or external clock signal on the ECI input pin. Each capture/compare circuit has six modes of operation: the operation mode of each capturing/comparing circuit can be independently configured.
The clock system of the single chip 101 selects an internally calibrated programmable oscillator with a frequency of 24.5MHz. The time base signal of the counter/timer in the programmable counter array is selected as a system clock, one of the capturing/comparing circuits is set to work in an edge triggering capturing mode, CEXn is connected to one port pin of the singlechip 101 through a cross switch, feedback data from the target logging instrument is shaped and amplified and then connected to the CEXn pin of the singlechip 101, each level change of the feedback data causes the capturing/comparing circuit to capture, a capturing/comparing mark CCFn is set to be 1, and the value of the counter/timer in the programmable counter array is loaded into the capturing/comparing register.
The command circuit is connected with the singlechip 101 and is used for encoding the instrument command string and transmitting the instrument command string to the target logging instrument after power amplification. In one embodiment, as shown in FIG. 1, the command circuit comprises: encoder 102, driving circuit 103, and command transmitting circuit 107. Specifically, the encoder 102 is connected to the single-chip microcomputer 101, and is used for encoding the instrument command string into a differential Manchester code signal. The driving circuit 103 is connected to the encoder 102, and is configured to amplify the differential Manchester code signal to obtain a differential Manchester code signal capable of driving the transformer. The command transmitting circuit 107 is connected to the driving circuit 103 for transmitting the instrument command string code to the target logging instrument in the form of a manchester code in accordance with a differential manchester code signal that can drive the transformer.
The receiving and decoding circuit is connected with the target logging instrument and is used for respectively decoding the feedback data of the target logging instrument through a plurality of independent (discrete) sub-circuits and transmitting the feedback data to the singlechip 101. In one embodiment, as shown in FIG. 1, the receive and decode circuit includes three sub-circuits, wherein the first sub-circuit receives mode 2 (M2) data of the target logging tool, the second sub-circuit receives mode 5 (M5) data of the target logging tool, and the third sub-circuit receives mode 7 (M7) data of the target logging tool.
The first sub-circuit receives lateral, compensating neutron or azimuth short section data of small data volume, and the second sub-circuit and the third sub-circuit receive digital sound wave of large data volume, high resolution induction and lithology density data. Specifically, 1515 high resolution induction (M5 or M7), 1022STAR sonography (m2+m5+m7), XMACII cross dipole acoustic wave (M5), 1329 natural gamma energy spectrum (m2+m5), 2446 compensated neutrons (M2), 2228 lithology density (m2+m5), 3218MREX nuclear magnetic resonance (M5), 1680 digital acoustic wave (M5), 4401 azimuth nipple (M2), 3516 full penetration adapter (M2). The feedback data can be effectively separated through the multiple sub-circuits, so that the target logging instrument in the whole well logging instrument string can be classified or independently detected, and rapid data identification and judgment in the instrument detection process can be facilitated.
In one embodiment, the sub-circuit includes a receiving circuit and a decoding circuit. The receiving circuit is connected with the target logging instrument and is used for receiving feedback data. The decoding circuit is connected to the receiving circuit, and is used for decoding the feedback data into a standard Manchester code signal, and transmitting the standard Manchester code signal to the singlechip 101.
In one embodiment, as shown in fig. 1, the first decoding circuit 104 and the first receiving circuit 108 constitute a first sub-circuit, the second decoding circuit 105 and the second receiving circuit 109 constitute a second sub-circuit, and the third decoding circuit 106 and the third receiving circuit 110 constitute a third sub-circuit.
In one embodiment, as shown in FIG. 1, a logging instrument surface testing apparatus includes an adjustable AC power source that powers a target logging instrument and a DC power source 111 that powers powered equipment within the apparatus. In one embodiment, the supply voltage of the adjustable ac power source is 0-260V. In addition, the power supply amplitude of the adjustable alternating current power supply is adjusted according to the number and the type of instrument strings in practical application, and the utility model does not limit the power supply amplitude of the adjustable alternating current power supply.
In one embodiment, as shown in FIG. 1, a logging instrument surface testing device includes an instrument interface 112 for interfacing with a target logging instrument. In one embodiment, all logging instruments that upload data in a standard Manchester encoded format may be tested hooked up with instrument interface 112.
In one embodiment, a ground testing device of a logging instrument is connected to an external device 113, and after receiving data, the singlechip 101 transmits the data to the external device 113 in a certain communication format (for example, serial communication) through a communication circuit included in the data, so as to display a testing result. In one embodiment, the external device 113 is a host computer.
As shown in fig. 1, during the indoor test, the ECLIPS5700 logging system and the downhole instruments of the logging system are connected to the instrument interface 112, the single chip microcomputer 101 sends instrument command strings to the encoder 102 according to the selected instrument strings, manchester encoding is completed in the encoder 102, the manchester encoding is sent to the driving circuit 103, power amplification is performed in the driving circuit 103, the manchester encoding is sent to the command sending circuit 107, and the manchester encoding is sent to the command bus through a sending transformer of the command sending circuit 107.
The number of receiving buses for receiving feedback data is 3, namely a first receiving bus, a second receiving bus and a third receiving bus, and small data volume is transmitted through the first receiving bus, such as: 1239 bi-lateral, 2446 compensated neutron, 4401 azimuth nipple, etc., the large data volume is data transmitted through the second or third receive bus, such as: 1680 digital sound waves, 1515 high resolution induction, 2228 lithologic density, and the like.
The singlechip 101 distributes the data string on the receiving bus to different receiving circuits according to the instrument command string, and the standard Manchester encoded data adopted by the downhole instrument is changed into a data packet with a specific format through the receiving circuits and the decoding circuits and is stored in a data buffer of the singlechip 101.
The downhole instrument sends the data string on the receive bus to a different receive circuit, i.e., a small amount of data, such as: the 1239 double lateral direction, 2446 compensation neutron, 4401 azimuth nipple and the like are transmitted to the first receiving circuit 108, picked up by a receiving transformer of the first receiving circuit 108, filtered, sent to the first decoding circuit 104, decoded by a standard Manchester code of a downhole instrument, and sent to a data buffer of the singlechip 101.
If the data string on the receive bus is a large data size, for example: 1680 digital sound wave, 1515 high-resolution induction, 2228 lithology density, etc., are transmitted to the second or third receiving buses, respectively picked up by the corresponding receiving transformers of the second receiving circuit 109 or the third receiving circuit 110, and sent to the second decoding circuit 105 or the third decoding circuit 106 after filtering processing, and the standard manchester code of the downhole instrument is decoded and sent to the data buffer of the singlechip 101.
FIG. 2 shows a block diagram of a single chip and command circuit according to one embodiment of the utility model.
In one embodiment, the singlechip 101, the encoder 102, and the driving circuit 103 are respectively implemented by a chip, and the command transmitting circuit 107 is composed of a transformer T1, a diode, and a resistor element.
As shown in fig. 2, the command transmitting circuit 107 includes: the power supply comprises a first diode D1, a first resistor R1, a transformer T1, a second diode D2, a second resistor R2 and a first power supply VCC1. Wherein the cathode of the first diode D1 is connected to the first output terminal of the driving circuit 103. The first end of the first resistor R1 is connected with the anode of the first diode D1. One end of the primary coil of the transformer T1 is connected with the second end of the first resistor R1. The cathode of the second diode D2 is connected to the second output terminal of the driving circuit 103. The first end of the second resistor R2 is connected with the positive electrode of the second diode D2, and the second end of the second resistor R2 is connected with the other end of the primary coil of the transformer T1. The first power supply VCC1 is connected to the primary winding of the transformer T1.
As shown in fig. 2, 4 communication lines are provided between the singlechip 101 and the encoder 102, which are SDI encoded data input signals, ESC encoded clock signals, EE encoder enable signals, and SD encoder ready signals, respectively.
The single chip microcomputer 101 firstly sets the enabling signal of the EE encoder to 1, the encoder 102 sets SD to 1 when the falling edge of the ESC detects EE to be high level, the single chip microcomputer 101 outputs serial command codes at the port of the data input signal of the SDI code when the falling edge of the clock signal of the ESC code after detecting SD to be high level, the encoder 102 changes the original code signals input by the SDI into differential Manchester code signals BZO and BIO, the BZO and BIO are amplified in the driving circuit 103 and become differential Manchester code signals OA and OB which can drive a transformer, when the OA is low level, the second diode D2 of the command transmitting circuit 107 is conducted, the positive pole of the first power supply VCC1 forms a path with the power ground through the primary winding of the transformer T1, the second resistor R2, and the second diode D2, and generates a current, and a signal is generated at the secondary winding of the transformer T1, whereas when the output OB of the driving circuit 103 is at a low level, the first diode D1 of the command transmitting circuit 107 is turned on, and the first power supply VCC1 forms a path with the power ground through the primary winding of the transformer T1, the first resistor R1, and the first diode D1, and generates a current, and a signal is generated at the secondary winding of the transformer T1, so that the instrument command string original code output by the single chip microcomputer 101 is transmitted through the transformer T1 in the form of manchester code.
Fig. 3 shows a block diagram of a receiving and decoding circuit and a single-chip microcomputer according to an embodiment of the utility model.
In one embodiment, the first decoding circuit 104 and the encoder 102 use the same chip, and the first data receiving circuit 108 is composed of an optocoupler and a resistor.
As shown in fig. 3, the first data receiving circuit 108 includes: a third resistor R3, a fourth resistor R4, an optocoupler U1, a fifth resistor R5, and a second power supply VCC2. The first end of the third resistor R3 is connected with one end of the target logging instrument, and the second end of the third resistor R3 is connected with the other end of the target logging instrument. The first end of the fourth resistor R4 is connected to the second end of the third resistor R3. The first input end of the optical coupler U1 is connected with the first end of the third resistor R3, and the second input end of the optical coupler U is connected with the second end of the fourth resistor R4. The first end of the fifth resistor R5 is connected to the output end of the optocoupler U1, and the second end is connected to the second power source VCC2.
In fig. 3, feedback data from a target logging instrument is isolated by a photo coupler U1 of a first data receiving circuit 108, an UDI signal is output to enter a first decoding circuit 104, after identification, a valid synchronization pulse is detected to be TD as 1, when the singlechip 101 detects that the TD is at a high level, SDO level is sampled at the rising edge of DSC, when the first decoding circuit 104 receives a valid data word, VW is set to 1, and at this time, the singlechip 101 stores the received data in a memory.
In one embodiment, R3 is an impedance matching resistor, R4 is used to limit current and filter out interfering signals, and R5 is a pull-up resistor.
In one embodiment, the first receiving circuit 108, the first decoding circuit 104, and the single chip 101 in fig. 3 form a first data receiving processing path. The second receiving circuit 109, the second decoding circuit 105 and the single chip microcomputer 101 in fig. 1 constitute a second data receiving processing path, and the circuit block diagram thereof is similar to fig. 3. The third receiving circuit 110, the third decoding circuit 106 and the single chip microcomputer 101 form a third data receiving processing path, and the circuit block diagram is similar to fig. 3.
The utility model provides a ground testing device for a logging instrument, which can completely replace 3514 telemetry communication instruments and an ECLIPS5700 ground system in the ground testing process of the logging instrument, can realize nondestructive transmission for more than 10 meters, completes all functions of ground detection of the logging instrument, is convenient and efficient, and saves the cost of huge import instruments.
The prior art for solving the problem of thousands of meters of long cable transmission is used for logging operation of logging instruments, and because the drilling depth is usually as deep as thousands of meters or even more than 5000 meters, logging operation is needed to be carried out by penetrating a logging cable into the place of thousands of meters in the well. The utility model is different from the prior art for solving the problem of thousands of meters of long cable transmission, the utility model directly sends the logging instrument to the ground for inspection and test, and the logging instrument is not required to be switched through a 3514 underground telemetry communication instrument and then tested through an ECLIPS5700 ground system. Therefore, the purpose of indoor test can be achieved by only increasing the transmission distance to about 10 meters, so that the test is more convenient, and the signal transmission and processing capacity is improved.
In summary, the utility model provides a ground testing device for a logging instrument, which can directly send data to the ground for detection test when the instrument is tested, and the logging instrument is not required to be switched through a 3514 underground telemetry communication instrument and then tested through an ECLIPS5700 ground system. The utility model can greatly save the purchase cost of 3514 underground telemetry communication instruments and ECLIPS5700 ground systems, is faster and more convenient, and improves the signal transmission and processing capacity.
It is to be understood that the disclosed embodiments are not limited to the specific structures, process steps, or materials disclosed herein, but are intended to extend to equivalents of these features as would be understood by one of ordinary skill in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Reference in the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, the appearances of the phrase "one embodiment" or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Although the embodiments of the present utility model are disclosed above, the embodiments are only used for the convenience of understanding the present utility model, and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the appended claims.
Claims (10)
1. A logging instrument surface testing apparatus, the apparatus comprising:
the singlechip is used for sending an instrument command string according to the target logging instrument;
the command circuit is connected with the singlechip and used for encoding the instrument command string and transmitting the instrument command string to a target logging instrument after power amplification;
and the receiving and decoding circuit is connected with the target logging instrument and is used for respectively decoding feedback data of the target logging instrument through a plurality of independent sub-circuits and transmitting the feedback data to the singlechip.
2. The apparatus for testing the surface of a logging tool of claim 1, wherein the single-chip microcomputer comprises: a programmable counter array and a programmable oscillator, wherein the programmable counter array includes a counter/timer and a plurality of capture/compare circuits.
3. A logging instrument surface testing apparatus according to claim 1, wherein the target logging instrument comprises any one or a combination of any of the following: 1515 high resolution induction instrument, 1022STAR sonography instrument, XMACII cross dipole sonic instrument, 1329 natural gamma spectroscopy instrument, 2446 compensated neutron instrument, 2228 lithology density instrument, 3218MREX nuclear magnetic resonance instrument, 1680 digital sonic instrument, 4401 azimuth nipple instrument and 3516 full-penetration adapter.
4. A logging instrument surface testing apparatus according to any one of claims 1-3, wherein said command circuit comprises:
the encoder is connected with the singlechip and used for encoding the instrument command string into a differential Manchester code signal;
the driving circuit is connected with the encoder and used for carrying out power amplification on the differential Manchester code signals to obtain differential Manchester code signals capable of driving the transformer;
and the command transmitting circuit is connected with the driving circuit and is used for transmitting the instrument command string code to a target logging instrument in the form of Manchester codes according to the differential Manchester code signals capable of driving the transformer.
5. The surface testing apparatus of a logging instrument of claim 4, wherein said command transmitting circuit comprises:
the negative electrode of the first diode is connected with the first output end of the driving circuit;
the first end of the first resistor is connected with the positive electrode of the first diode;
one end of a primary coil of the transformer is connected with the second end of the first resistor;
the cathode of the second diode is connected with the second output end of the driving circuit;
the first end of the second resistor is connected with the positive electrode of the second diode, and the second end of the second resistor is connected with the other end of the primary coil of the transformer;
and a first power supply connected to the primary winding of the transformer.
6. A logging tool surface testing apparatus according to any one of claims 1-5, wherein said feedback data separation is achieved by a plurality of said sub-circuits, enabling classification or individual detection of target logging tools in the entire tool string, wherein said receiving and decoding circuit comprises three of said sub-circuits, wherein a first sub-circuit receives pattern 2 data of a target logging tool, a second sub-circuit receives pattern 5 data of a target logging tool, and a third sub-circuit receives pattern 7 data of a target logging tool.
7. A logging instrument surface testing apparatus according to any one of claims 1-6, wherein said sub-circuit comprises:
a receiving circuit connected with the target logging instrument for receiving the feedback data;
and the decoding circuit is connected with the receiving circuit and used for decoding the feedback data into a standard Manchester code signal and transmitting the standard Manchester code signal to the singlechip.
8. The surface testing apparatus of claim 7, wherein the receiving circuit comprises:
the first end of the third resistor is connected with one end of the target logging instrument, and the second end of the third resistor is connected with the other end of the target logging instrument;
a fourth resistor, the first end of which is connected with the second end of the third resistor;
the first input end of the optical coupler is connected with the first end of the third resistor, and the second input end of the optical coupler is connected with the second end of the fourth resistor;
and the first end of the fifth resistor is connected with the output end of the optical coupler, and the second end of the fifth resistor is connected with a second power supply.
9. A logging instrument ground testing apparatus according to any one of claims 1-8, wherein the apparatus comprises an adjustable ac power source and a dc power source, wherein the adjustable ac power source provides power to a target logging instrument and the dc power source provides power to a powered device within the apparatus.
10. A logging instrument surface testing apparatus according to any one of claims 1-9, wherein the apparatus comprises an instrument interface for connecting a target logging instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321533700.8U CN220252191U (en) | 2023-06-15 | 2023-06-15 | Logging instrument ground testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321533700.8U CN220252191U (en) | 2023-06-15 | 2023-06-15 | Logging instrument ground testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220252191U true CN220252191U (en) | 2023-12-26 |
Family
ID=89227886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321533700.8U Active CN220252191U (en) | 2023-06-15 | 2023-06-15 | Logging instrument ground testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220252191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117614773A (en) * | 2024-01-15 | 2024-02-27 | 西安思坦仪器股份有限公司 | Communication system and construction tubular column of single-core cable based on oil-water well |
-
2023
- 2023-06-15 CN CN202321533700.8U patent/CN220252191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117614773A (en) * | 2024-01-15 | 2024-02-27 | 西安思坦仪器股份有限公司 | Communication system and construction tubular column of single-core cable based on oil-water well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220252191U (en) | Logging instrument ground testing device | |
| US11280932B2 (en) | Main control system and a device for a nuclear magnetic resonance logging while drilling tool | |
| CN104481519A (en) | Cross-well electromagnetic well logging signal emission electronic system | |
| CN103499841B (en) | Hole, lane transient electromagnetic device and measuring method | |
| CN104749636A (en) | Distributed slot wave seismic prospecting system and prospecting method thereof | |
| CN106679703B (en) | Data reading device of vibrating wire type sensor and working method thereof | |
| CN104216021B (en) | Underground nuclear magnetic resonance exploration method based on step-by-step transmission | |
| CN110671098A (en) | Underground single-core bus circuit device while drilling | |
| CN213175619U (en) | Small-bore horizontal well storage and cementing quality detector and logging system | |
| WO2021043043A1 (en) | Imaging feature extraction method and imaging apparatus for use in multidimensional borehole | |
| CN203271732U (en) | Storage type sound wave density-variable logger | |
| CN105137295A (en) | Cable fault detection device and test method | |
| CN210721036U (en) | Calibrating device and measuring system of instantaneous day-difference measuring instrument | |
| CN210136312U (en) | Photomultiplier detection device | |
| CN202832521U (en) | Electronic resource management initiative (ERMI) microresistivity scanning imaging logger instrument for special use of offshore oil platform | |
| CN104373119A (en) | While-drilling natural gamma uranium measuring instrument based on rock core drilling | |
| CN103389512A (en) | Digital collection and transmission circuit for near-field subwaves and auxiliary signals of air gun earthquake focus | |
| CN212376652U (en) | Handheld control box matched with near-bit measuring instrument | |
| CN101285866B (en) | Electronic soft label checking sensor | |
| CN217879672U (en) | High-power drive module ZH202C | |
| CN210720761U (en) | A induced polarization appearance for deep resource exploration | |
| CN210269941U (en) | Electric energy meter with accurate metering | |
| CN102606140B (en) | Series acoustic wave storage variable density logging unit | |
| CN107643546A (en) | A kind of magnetometer based on statistical stacking method | |
| WO2008076110A1 (en) | Rotatable multi-pole sources |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |