CN101205806A - Down-hole instrument high-speed single-core cable transmission device - Google Patents
Down-hole instrument high-speed single-core cable transmission device Download PDFInfo
- Publication number
- CN101205806A CN101205806A CNA2006101655114A CN200610165511A CN101205806A CN 101205806 A CN101205806 A CN 101205806A CN A2006101655114 A CNA2006101655114 A CN A2006101655114A CN 200610165511 A CN200610165511 A CN 200610165511A CN 101205806 A CN101205806 A CN 101205806A
- Authority
- CN
- China
- Prior art keywords
- pipe nipple
- data
- remote measurement
- parameter
- core
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a downhole instrument high-speed single-core cable transmission device used for well logging of a flowing well and a water injection well, wherein, a high-speed cable telemetry pipe nipple is connected with a releaser through a single-core plug on the upper end and connected with various parameter measurement pipe nipples through a slip ring four-core plug on the lower end; a telemetry pipe nipple circuit and a parameter pipe nipple circuit comprise singlechips which are connected with industrial buses; a telemetry pipe nipple industrial bus and a parameter measurement pipe nipple industrial bus are communicated with each other through a signal core 2 and a signal core 3 of the slip ring four-core plug; each singlechip comprises 8 address bits, 16 data bits and 255 test channels, controls a data output port to transmit serial data and a data input port to receive the serial data, and controls transmission and receipt of industrial bus data; after address comparison and coding of the received data and controlled transmission and receipt of the industrial bus data, the data is transmitted to the ground through a single-core cable; transmission rate of the cable reaches 20 K, and transmission rate of a downhole instrument reaches 40K, thereby well-logging aging is greatly improved.
Description
Technical field
The present invention relates to a kind of downhole instrument of flowing well and water injection well well logging and down-hole instrument high-speed single-core cable transmission device that ground instrument carries out data communication of being used for.
Background technology
The existing production logging instrument that is used for flowing well and water injection well well logging, though used the single-chip microcomputer telemetry, but be that cable bus connects by single-core cable between remote measurement pipe nipple and the ground instrument, be that instrument bus connects also between remote measurement pipe nipple and the parameter pipe nipple and between each parameter pipe nipple by single core, thereby instrument is longer, is unfavorable for the measurement of high-pressure well.The cable bus transfer rate only is 5.7292KBPS, and 20 of data formats are except that 3 bit synchronization positions, 1 bit parity position, have only 4 address bits, 12 data bit, totally 10 passages have limited expanded function, thereby make some oilwell parameter to measure, as parameters such as independent 40 arms, oxygen activations.Though the signal isolation circuit that cable bus signal and instrument bus signal are made up of inductance is isolated, and is improper if inductance is selected, and will cause interfering with each other of two kinds of signals, influence the ground decoding.
At present, the production logging instrument of highly reliable, the high accuracy of the logging requirements of intake profile, production profile, high success rate in the domestic-developed well, the appliance requires of aspects such as engineering log, reservoir parameter detection, remaining oil evaluation improves precision, increase means, therefore engineering log instrument (X-Y hole diameter, multi-arm hole diameter, independent multi-arm hole diameter etc.) and evaluation of producing logging instrument (neutron gamma, neutron lifetime etc.) need articulate, existing instrument transfer rate is low, port number only is 10, can't realize articulating.
Summary of the invention
The object of the present invention is to provide a kind of highly reliable, high accuracy, high success rate, length is short, the down-hole instrument high-speed single-core cable transmission device that downhole instrument that is used for the well logging of flowing well and water injection well that can articulate with engineering log instrument and evaluation of producing logging instrument and ground instrument carry out data communication solves the existing insurmountable problem of instrument.
The present invention is by single-core cable, head harness, increase the weight of, connect swivel nut, release, high speed cable remote measurement pipe nipple, the parameter measurement pipe nipple, centralizer is formed, high speed cable remote measurement pipe nipple is connected with release by the single-core plug of upper end, slip ring four-core plug and socket by the lower end is connected with centralizer with each parameter measurement pipe nipple, the single-core cable lower end connects head harness, increase the weight of, release, high speed cable remote measurement pipe nipple, each parameter measurement pipe nipple and downhole instrument carry out machinery and being electrically connected, the upper end of single-core cable by with the ground winch on the cable coiling connect be loaded on winch in dynamo-electric connection of ground instrument;
This device circuit is made of high speed cable remote measurement pipe nipple circuit and parameter pipe nipple circuit, the signal input port of the parameter pipe nipple single-chip microcomputer in the parameter pipe nipple circuit is connected with sensor by signal generating circuit, the reception inlet of parameter pipe nipple single-chip data delivery outlet and parameter pipe nipple industrial bus is connected, the emission outlet of parameter pipe nipple single-chip data input port and parameter pipe nipple industrial bus is connected, parameter pipe nipple Single-chip Controlling end port and parameter pipe nipple industrial bus control end DE, RE connects, and parameter pipe nipple single-chip microcomputer oscillator sign-changing amplifier input port is connected with clock circuit with output port; The data output of the remote measurement single-chip microcomputer of telemetric circuit is connected with the reception inlet of remote measurement pipe nipple industrial bus, the data input of remote measurement single-chip microcomputer is connected with the emission outlet of remote measurement pipe nipple, remote measurement pipe nipple industrial bus is connected with each parameter pipe nipple industrial bus with core 3 by signal core 2, remote measurement single-chip microcomputer oscillator sign-changing amplifier input port is connected with clock circuit with output port, remote measurement Single-chip Controlling end port and remote measurement pipe nipple industrial bus control end DE, RE connects, the remote measurement single-chip microcomputer is connected with cable bus by signal drive circuit, and cable bus is connected with power line;
Single-chip microcomputer comprises that data receive sending controling unit, and the control data delivery outlet is that serial data sends, and the data input port is that serial data receives, and controls transmitting and receiving of industrial bus data; The address date administrative unit, comprise 8 address bits, 16 data bit, 255 test channel, with the comparison of the data that receive through the address, the sync bit that will conform to, instrument address, test data, even-odd check, position of rest send signal and encode according to Manchester agate coding rule, receive transmitting and receiving of sending controling unit control industrial bus data by data, mail to ground by single-core cable.
During well logging, this device is after cable bus power supply, and each parameter pipe nipple delivers to the variable quantity of sensor separately that signaling module produces frequency signal, and frequency signal is delivered to each parameter pipe nipple single-chip microcomputer, gathered data after, be in wait state.Remote measurement single-chip microcomputer serial delivery outlet is delivered to remote measurement pipe nipple industrial bus input with each argument address, deliver to the industrial bus of each parameter pipe nipple again by 2 cores and 3 cores, the output of industrial bus is delivered to address signal the serial input port of each parameter pipe nipple single-chip microcomputer again, each parameter pipe nipple single-chip microcomputer judges at first whether information is this address then, if not, then be the data agate, this parameter pipe nipple does not respond; If address agate, then judge with self address and conform to not, if conform to, the data that the serial delivery outlet of parameter pipe nipple single-chip microcomputer sends out collection up-to-date are to the input of this parameter pipe nipple industrial bus, again through 2 cores, the output of 3 cores and remote measurement pipe nipple industrial bus is delivered to the serial input port of remote measurement single-chip microcomputer, the remote measurement single-chip microcomputer will be synchronously after receiving data, the instrument address, test data, even-odd check, signals such as position of rest transmission, according to Manchester agate coding rule it is encoded, mail to ground through single-core cable, be that Manchester agate signal is uploaded and is single core, signal is transmitted as four-core between high speed cable remote measurement pipe nipple and each parameter pipe nipple, and wherein 1 core is a cable bus, 2 cores and 3 cores are holding wire, 4 cores are the 12V power line.The remote measurement single-chip microcomputer sends the address to each parameter pipe nipple successively, up to intact all parameters of addressing, begins new circulation again.
This device has following advantage:
Connect by the slip ring four-core between high speed cable remote measurement pipe nipple and each the parameter measurement pipe nipple, shorten tool length greatly, be convenient to apparatus measures.
Make the data format of Manchester agate that this device forms except that sync bit, parity bit by reasonable programming to single-chip microcomputer, 8 address bits, 16 data bit will be arranged, transmission channel can reach 255, can articulate engineering log instrument (X-Y hole diameter, multi-arm hole diameter, independent multi-arm hole diameter etc.) and evaluation of producing logging instrument (neutron gamma, neutron lifetime etc.), be convenient to expansion, Yan Zhi instrument is as long as adopt identical data format from now on, just can combine with this device, do not need to develop special ground instrument, compatible strong to downhole cartridge.
The logger that adopts the present invention to produce, cable transmission speed reaches 20K, the high-speed transfer of downhole cartridge transmission (being the signal transmission between high speed cable remote measurement pipe nipple and each parameter pipe nipple) speed 40K, the log data amount greatly increases, and once goes into the well and gets complete all data, well logging timeliness height, strong, the difficult generation maloperation of antijamming capability.
Description of drawings
Fig. 1 down-hole instrument high-speed cable transmission device structure diagram
Fig. 2 high speed cable remote measurement pipe nipple structure diagram
Fig. 3 high speed cable remote measurement pipe nipple theory diagram
Fig. 4 parameter pipe nipple theory diagram
Fig. 5 down-hole instrument high-speed cable transmission device program flow diagram
Wherein: 1, single-core cable 2, head harness 3, increase the weight of 4, connect swivel nut 5, release
6, single-core plug 7, high speed cable remote measurement pipe nipple 8, slip ring four-core socket
9, pressure detection well instrument 10, slip ring four-core plug 11, water holding logging instrument 12, centralizer
13, FDT 14, turbine flow logging instrument 15, magnet steel
16, magnetic orientation coil 17, high-power resistance 18, high-power regulator block
19, circuit skeleton 20, magnetic orientation and telemetry link plate in the middle of the high speed cable remote measurement pipe nipple
21, circuit skeleton under well temperature probe 22, high-pressure modular 23, the high speed cable remote measurement pipe nipple
24, gamma wiring board 25, photomultiplier 26, NaI crystal
27, cable bus (1 core of slip ring connector assembly)
28, high pressure cut-off protection circuit 29 electromagnetic relays
30,12V power supply (4 cores of slip ring connector assembly) 31, high speed cable remote measurement pipe nipple 5V mu balanced circuit 32, high speed cable remote measurement pipe nipple 5V power supply 33, high speed cable remote measurement pipe nipple ± 15V mu balanced circuit 34, high speed cable remote measurement pipe nipple ± 15V power supply
35, signal synthesizing module output 36 signal synthesizing module
37, the XTAL2 end 38 of remote measurement single chip computer AT 89C2051, remote measurement single chip computer AT 89C2051
39, serial input port (RXD) P3.0 of remote measurement single chip computer AT 89C2051
40, serial delivery outlet (TXD) P3.1 of remote measurement single chip computer AT 89C2051
41, the XTAL1 end of remote measurement single chip computer AT 89C2051
42, the output RO of the input DI 43 of remote measurement pipe nipple RS-485, remote measurement pipe nipple RS-485
44, the A of remote measurement pipe nipple RS-485 45, remote measurement pipe nipple RS-485 end
The B end 47 of 46 remote measurement pipe nipple RS-485,2 cores of slip ring connector assembly
48, the crystal oscillating circuit of 3 cores 49 of slip ring connector assembly, remote measurement single chip computer AT 89C2051
50, magnetic position sensor
51, magnetic locating signal module
52, (T0) P3.4 of magnetic locating signal single chip computer AT 89C2051 end
53, the XTAL1 of magnetic locating signal single chip computer AT 89C2051 end
54, magnetic locating signal single chip computer AT 89C2051
55, serial delivery outlet (TXD) P3.1 of magnetic locating signal single chip computer AT 89C2051
56, serial input port (RXD) P3.0 of magnetic locating signal single chip computer AT 89C2051
57, serial delivery outlet (TXD) P3.1 of well temperature, gamma signal single chip computer AT 89C52
58, serial input port (RXD) P3.0 of well temperature, gamma signal single chip computer AT 89C52
59, well temperature, gamma signal single chip computer AT 89C52
60, the XTAL1 of well temperature, gamma signal single chip computer AT 89C52 end
61, the T1/P3.5 of well temperature, gamma signal single chip computer AT 89C52 end
62, the T0/P3.4 of well temperature, gamma signal single chip computer AT 89C52 end
63, well temperature signaling module 64, gamma signaling module 65, well temperature sensor part
66, gamma sensor part 67, parameter pipe nipple 5V mu balanced circuit
68, parameter pipe nipple 5V power supply 69, parameter sensors part 70, parameter signal module
71, the crystal oscillating circuit of parameter pipe nipple single chip computer AT 89C2051
72, the T0/P3.4 of parameter pipe nipple single chip computer AT 89C2051 end
73, the XTAL2 of parameter pipe nipple single chip computer AT 89C2051 end
74, parameter pipe nipple single chip computer AT 89C2051
75, the XTAL1 of parameter pipe nipple single chip computer AT 89C2051 end
76, serial input port (RXD) P3.0 of parameter pipe nipple single chip computer AT 89C2051
77, serial delivery outlet (TXD) P3.1 of parameter pipe nipple single chip computer AT 89C2051
78, the input DI of the output RO 79 of parameter pipe nipple RS-485, parameter pipe nipple RS-485
80, parameter pipe nipple RS-485
The specific embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, single-core cable (1) by head harness (2), increase the weight of (3), release (5), high speed cable remote measurement pipe nipple (7), each parameter measurement pipe nipple (9), (11), (13), (14) and realize downhole instrument machinery and be electrically connected, according to logging requirements, increase the weight of the topmost that (3) are placed on whole downhole instrument, release (5) is connected on the bottom of increasing the weight of (3), the top of high speed cable remote measurement pipe nipple (7), thus realize the radioisotope logging requirement
The upper end of high speed cable remote measurement pipe nipple (7) is connected with release (5) by single-core plug (6), the lower end is connected with each parameter measurement pipe nipple with slip ring four-core plug (10) by slip ring four-core socket (8), each parameter measurement pipe nipple comprises pressure detection well instrument (9), water holding logging instrument (11), FDT (13), turbine flow logging instrument (14), can also articulate other parameter logging instrument according to logging requirements.
One is placed between water holding logging instrument (11) and the FDT (13) in two centralizers (12), and another centralizer 12 is placed between FDT (13) and the turbine flow logging instrument (14), is convenient to well logging.
1 core is that cable bus (27), 2 cores (47) and 3 cores (48) are the 12V power line for holding wire, 4 cores in the slip ring four-core.
As shown in Figure 2, high speed cable remote measurement pipe nipple (7) upper end is single-core plug (6), and magnet steel (15), magnetic orientation coil (16) are equipped with in top, and induced signal is provided during by casing coupling for downhole instrument.On the circuit skeleton (19) high-power dropping resistor (17), high-power regulator block (18), magnetic orientation and telemetry link plate (20) are housed in the middle of the high speed cable remote measurement pipe nipple, well temperature probe (21); Circuit skeleton (23), photomultiplier (25), NaI crystal (26), slip ring four-core socket (8) under high-pressure modular (22), the high speed cable remote measurement pipe nipple are equipped with in the bottom; Circuit skeleton (23) is equipped with gamma wiring board 24 under the high speed cable remote measurement pipe nipple, and they all are contained in the shell of high speed cable remote measurement pipe nipple (7), can realize dynamo-electric the connection with each parameter pipe nipple by connecting swivel nut (4).
As shown in Figure 3, cable bus (1 core of slip ring connector assembly) (27) is connected with the high pressure cut-off protection circuit of being made up of switching diode, dropping resistor, voltage-stabiliser tube, electromagnetic relay (29) (28).When the voltage on the cable bus (27) during greater than 55V; contact 2-3, the 7-6 closure of electromagnetic relay (29) in the high pressure cut-off protection circuit (28); high pressure turn-offs, voltage on the cable bus (27) and the disconnection of back circuit, can not form 5V, 12V, ± 15V voltage.When the voltage on the cable bus (27) during less than 55V; contact 2-4, the 5-7 of electromagnetic relay 29 is in normally off in the high pressure cut-off protection circuit; cable bus (27) voltage and back circuit communication; this moment, voltage divided two-way; one the tunnel through excessive power current-limiting resistance (17), high-power regulator block (18) formation 12V power supply (4 cores of slip ring connector assembly) (30), and 12V power supply (30) forms high speed cable remote measurement pipe nipple 5V power supply (32) through the high speed cable remote measurement pipe nipple 5V mu balanced circuit of being made up of current-limiting resistance and voltage-stabiliser tube (31).Another road forms high speed cable remote measurement pipe nipple ± 15V power supply (34) through high speed cable remote measurement pipe nipple ± 15V mu balanced circuit (33).Wherein high speed cable remote measurement pipe nipple ± 15V power supply (34) is signal synthesizing module (36) power supply, and signal synthesizing module output (35) is connected with cable bus (27); High speed cable remote measurement pipe nipple 5V power supply (32) is remote measurement single chip computer AT 89C2051 (38), magnetic locating signal single chip computer AT 89C2051 (54), well temperature, gamma signal single chip computer AT 89C52 (59) and remote measurement pipe nipple RS-485 (44) power supply; 12V power supply (30) is magnetic locating signal module (51), well temperature signaling module (63), gamma signaling module (64) power supply, and the core 4 by the slip ring four-core be that each parameter pipe nipple is powered; The XTAL2 end (37) of remote measurement single chip computer AT 89C2051, the XTAL1 end (41) of remote measurement single chip computer AT 89C2051 are connected with the crystal oscillating circuit (49) of remote measurement single chip computer AT 89C2051 respectively; Serial input port (RXD) P3.0 (39) of remote measurement single chip computer AT 89C2051, serial delivery outlet (TXD) P3.1 (40) of remote measurement single chip computer AT 89C2051 is respectively at the input DI (42) of remote measurement pipe nipple RS-485, the output RO (43) of remote measurement pipe nipple RS-485 connects, the A end (45) of remote measurement pipe nipple RS-485 is connected with 2 cores (47) of slip ring connector assembly, 3 cores (48) of B end (46) slip ring connector assembly of remote measurement pipe nipple RS-485 connect, serial input port (RXD) P3.0 (56) of magnetic locating signal single chip computer AT 89C2051 is connected the well temperature with serial delivery outlet (TXD) P3.1 (40) of remote measurement single chip computer AT 89C2051, the T1/P3.5 end (61) of gamma signal single chip computer AT 89C52 is connected with well temperature signaling module (63).
Magnetic position sensor (50) is positioned at the top of high speed cable remote measurement pipe nipple (7), and it is made up of the high magnetic steel (15) and the magnetic orientation coil (16) of 12 NdFeB materials.When magnetic position sensor (50) moves up and down the box cupling position in sleeve pipe or oil pipe well, because the stationary magnetic field state that instrument is set up is destroyed, the magnetic field redistribution, therefore feasible changing of magnetic field by coil inside, according to Lenz's law, this variation of coil inside magnetic field intensity, promptly induce the voltage of a variation at the coil two ends, produce the frequency pulse signal through signaling module 51, this frequency pulse signal is received (T0) P3.4 end (52) of magnetic locating signal single chip computer AT 89C2051 and is gathered, after having gathered data, magnetic locating signal single chip computer AT 89C2051 (54) is in wait state.Because remote measurement single chip computer AT 89C2051 (38) sends the address to each parameter successively, when serial delivery outlet (TXD) P3.1 (40) of remote measurement single chip computer AT 89C2051 is entered when carrying out addressing by serial input port (RXD) P3.0 (56) of magnetic locating signal single chip computer AT 89C2051, magnetic locating signal single chip computer AT 89C2051 judges if the magnetic orientation track address then responds, serial input port (RXD) P3.0 (39) that data-signal is delivered to remote measurement single chip computer AT 89C2051 by serial delivery outlet (TXD) P3.1 (55) of magnetic locating signal single chip computer AT 89C2051 goes up by remote measurement single chip computer AT 89C2051 and handles then, and the agate signal is sent to cable bus (27) through the synthetic Manchester of signal synthesizing module (36).
Well temperature probe (21) is positioned at the middle part of high speed cable remote measurement pipe nipple (7), and probe adopts sensitivity and the very high RTD hygrosensor of the linearity, and therefore ultra-thin probe pressure-bearing shell has high detectivity.
Well temperature sensor part (65) is delivered to the well temperature through well temperature signaling module (63) with the frequency pulse signal, gamma signal single chip computer AT 89C52T1/P3.5 end (61) is gathered, be in wait state after having gathered data, when serial delivery outlet (TXD) P3.1 (40) of remote measurement single chip computer AT 89C2051 by the well temperature, serial input port (RXD) P3.0 (58) of gamma signal single chip computer AT 89C52 enters when carrying out addressing, the well temperature, gamma signal single chip computer AT 89C52 (59) judges if well temperature track address then responds, with data-signal by the well temperature, serial input port (RXD) P3.0 (39) that serial delivery outlet (TXD) P3.1 (57) of gamma signal single chip computer AT 89C52 delivers to remote measurement single chip computer AT 89C2051 goes up the processing by remote measurement single chip computer AT 89C2051, and the agate signal is sent to cable bus (27) through the synthetic Manchester of signal synthesizing module (36).
Gamma sensor part (66) is positioned at the bottom of high speed cable remote measurement pipe nipple (7), and the high-pressure modular that it can be adjusted arbitrarily by high pressure (22), photomultiplier (25) and NaI crystal (26) are formed.When gamma rays is injected the NaI crystal, the final potential pulse that produces is exported, this pulse signal is delivered to the well temperature through gamma signaling module (64) with the frequency pulse signal, gamma signal single chip computer AT 89C52 goes up T0/P3.4 end (62) collection, be in wait state after having gathered data, when serial delivery outlet (TXD) P3.1 (40) of remote measurement single chip computer AT 89C2051 by the well temperature, serial input port (RXD) P3.0 (58) of gal signal single chip computer AT 89C52 enters when carrying out addressing, the well temperature, gal signal single chip computer AT 89C52 judges if the gamma track address then responds, with data-signal by the well temperature, serial input port (RXD) P3.0 (39) that serial delivery outlet (TXD) P3.1 (57) of gal signal single chip computer AT 89C52 delivers to remote measurement single chip computer AT 89C2051 is upward handled by remote measurement single chip computer AT 89C2051, through the synthetic Manchester of signal synthesizing module (36) agate signal, be sent to cable bus (27) by output (35).Wherein the XTAL1 of remote measurement single-chip microcomputer end holds (60) to be connected with XTAL1 end (53), the well temperature of magnetic locating signal single chip computer AT 89C2051, the XTAL1 of gamma signal single chip computer AT 89C52, for the work of magnetic locating signal single chip computer AT 89C2051 (54), well temperature, gamma signal single chip computer AT 89C52 (59) provides clock frequency.
The A end (45) of high speed cable remote measurement pipe nipple RS-485 and 2 cores (47) of slip ring four-core are connected, and the B end (46) of remote measurement pipe nipple RS 485 and 3 cores (48) of slip ring four-core are connected, with the signal transmission of realization with other parameter pipe nipple.
As shown in Figure 4, the 12V power supply (30) of other parameter pipe nipple forms parameter pipe nipple 5V power supply (68) by parameter pipe nipple 5V mu balanced circuit (67).Remote measurement single chip computer AT 89C2051 also delivers to other argument address on serial input port (RXD) P3.0 (76) of parameter pipe nipple single chip computer AT 89C2051 through the output RO (78) of RS-485 (44) and the RS-485 parameter pipe nipple of remote measurement pipe nipple, the signal single-chip microcomputer (74) of parameter pipe nipple judges at first whether information is this address, if not, then be the data agate, this parameter pipe nipple does not respond; If address agate, then judge with self address and conform to not, if conform to, the data that collection sent out up-to-date by the signal single-chip microcomputer (74) of parameter pipe nipple are delivered on the input D1 (79) of parameter pipe nipple RS-485 (80) by serial delivery outlet (TXD) P3.1 (77) of parameter pipe nipple single chip computer AT 89C2051, finally deliver on serial input port (RXD) P3.0 (39) of remote measurement single chip computer AT 89C2051 through 2 cores (47) of slip ring four-core and 3 cores (48) of slip ring four-core again.Remote measurement single chip computer AT 89C2051 will be synchronously after receiving data, the instrument address, test data, even-odd check, signals such as position of rest transmission, according to Manchester agate coding rule it is encoded, mail to cable bus (27) through signal synthesizing module (36) again, remote measurement single chip computer AT 89C2051 (38) sends the address to each parameter pipe nipple successively, up to intact all parameters of addressing, begin new circulation again, parameter sensors part (69) is connected with the T0/P3.4 end (72) of parameter pipe nipple single chip computer AT 89C2051 by parameter signal module (70), the XTAL2 end (73) of parameter pipe nipple single chip computer AT 89C2051, the XTAL1 end (75) of parameter pipe nipple single chip computer AT 89C2051 is connected with the crystal oscillating circuit (71) of parameter pipe nipple single chip computer AT 89C2051.
Used single chip computer AT 89C2051 is low-voltage, high performance CMOS8 position micro controller, sheet contains the Flash read-only storage able to programme and erasable of 2KB, has 15 lines programmable I/O mouth, two 16 timer T0 and T1, (RXD) P3.0 is the serial input port, and (TXD) P3.1 is the serial delivery outlet, and XTAL1 is the input of sheet internal oscillator sign-changing amplifier and on-chip clock generator, XTAL2 is the output of sheet internal oscillator sign-changing amplifier, and it is 16MHz that institute adds crystal oscillator frequency;
The present invention makes data format increase to 8 by 4 original address bits by single chip computer AT 89C2051 is programmed, and 12 data bit increase to 16, have increased test channel greatly, and make cable transmission speed reach 20K.
In addition, single chip computer AT 89C2051 makes that by programming (P3.1) TXD is that serial data sends, and (P3.0) RXD is that serial data receives, and controls transmitting and receiving of RS-485 industrial bus.Wherein, the working method of RS-485 is half-duplex, does not receive during emission, does not launch during reception.DI is the input of RS-485, and RO is the output of RS-485, and DE, RE are the control end of RS-485.Like this, by the reasonable programming and the serial of RS-485 industrial bus of single-chip microcomputer, reach the high-speed transfer of downhole cartridge transmission 40K, thereby greatly improved the well logging timeliness.
Claims (1)
1. down-hole instrument high-speed single-core cable transmission device, by single-core cable, head harness, increase the weight of, connect swivel nut, release, high speed cable remote measurement pipe nipple, the parameter measurement pipe nipple, centralizer is formed, it is characterized in that: high speed cable remote measurement pipe nipple is connected with release by the single-core plug of upper end, slip ring four-core socket by the lower end is connected with centralizer with each parameter measurement pipe nipple, the single-core cable lower end connects head harness, increase the weight of, release, high speed cable remote measurement pipe nipple, each parameter measurement pipe nipple and downhole instrument carry out machinery and are electrically connected, and the upper end of single-core cable is coiled in ground instrument interior with being loaded on winch on the winch of ground and is connected;
This device circuit is made of high speed cable remote measurement pipe nipple circuit and parameter pipe nipple circuit, the signal input port of the parameter pipe nipple single-chip microcomputer in the parameter pipe nipple circuit is connected with sensor by signal generating circuit, the reception inlet of parameter pipe nipple single-chip data delivery outlet and parameter pipe nipple industrial bus is connected, the emission outlet of parameter pipe nipple single-chip data input port and parameter pipe nipple industrial bus is connected, parameter pipe nipple Single-chip Controlling end port and parameter pipe nipple industrial bus control end DE, RE connects, and parameter pipe nipple single-chip microcomputer oscillator sign-changing amplifier input port is connected with clock circuit with output port; The data output of the remote measurement single-chip microcomputer of telemetric circuit is connected with the reception inlet of remote measurement pipe nipple industrial bus, the data input of remote measurement single-chip microcomputer is connected with remote measurement pipe nipple emission outlet, remote measurement pipe nipple industrial bus is connected with each parameter pipe nipple industrial bus with core 3 by signal core 2, remote measurement single-chip microcomputer oscillator sign-changing amplifier input port is connected with clock circuit with output port, remote measurement Single-chip Controlling end port is connected with remote measurement pipe nipple industrial bus control end DE, RE, the remote measurement single-chip microcomputer is connected with cable bus by signal drive circuit, and cable bus is connected with power line;
Single-chip microcomputer comprises that data receive sending controling unit, and the control data delivery outlet is that serial data sends, and the data input port is that serial data receives, and controls transmitting and receiving of industrial bus data; The address date administrative unit, comprise 8 address bits, 16 data bit, 255 test channel, with the comparison of the data that receive through the address, the sync bit that will conform to, instrument address, test data, even-odd check, position of rest send signal and encode according to Manchester agate coding rule, receive transmitting and receiving of sending controling unit control industrial bus data by data, mail to ground by single-core cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101655114A CN101205806B (en) | 2006-12-21 | 2006-12-21 | Down-hole instrument high-speed single-core cable transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101655114A CN101205806B (en) | 2006-12-21 | 2006-12-21 | Down-hole instrument high-speed single-core cable transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101205806A true CN101205806A (en) | 2008-06-25 |
| CN101205806B CN101205806B (en) | 2011-06-22 |
Family
ID=39566257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101655114A Active CN101205806B (en) | 2006-12-21 | 2006-12-21 | Down-hole instrument high-speed single-core cable transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101205806B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510326A (en) * | 2011-12-15 | 2012-06-20 | 西安思坦仪器股份有限公司 | Full-duplex communication method based on single-core electric cables |
| CN103067044A (en) * | 2012-12-21 | 2013-04-24 | 中国船舶重工集团公司第七一五研究所 | Distance-increasing and speeding-up method of single coaxial-cable bidirectional data transmission |
| CN104763409A (en) * | 2015-03-03 | 2015-07-08 | 西安威盛电子科技股份有限公司 | Device and method for measuring underground flow rate of petroleum well |
| CN105164370A (en) * | 2013-02-25 | 2015-12-16 | 开拓工程股份有限公司 | Integrated downhole system with plural telemetry subsystems |
| CN107269268A (en) * | 2017-06-14 | 2017-10-20 | 中石化石油工程技术服务有限公司 | One kind is with brill measurement and control instrument bus system |
| US10066481B2 (en) | 2013-02-25 | 2018-09-04 | Evolution Engineering Inc. | Downhole electromagnetic and mud pulse telemetry apparatus |
| CN110894787A (en) * | 2018-09-12 | 2020-03-20 | 中国石油化工股份有限公司 | Bus driving device for measuring pup joint while drilling |
| CN110910625A (en) * | 2019-11-15 | 2020-03-24 | 浙江大学 | 485 bus-based seabed in-situ low-power consumption multi-node data acquisition system |
| CN112160746A (en) * | 2020-09-27 | 2021-01-01 | 电子科技大学 | Time domain measuring device for ultra-deep resistivity logging |
| CN112160744A (en) * | 2020-09-27 | 2021-01-01 | 电子科技大学 | Measuring device for ultra-deep resistivity |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415895A (en) * | 1981-02-11 | 1983-11-15 | Dresser Industries, Inc. | Well logging data transmission system |
| US4876539A (en) * | 1983-08-15 | 1989-10-24 | Oil Dynamics, Inc. | Parameter telemetering from the bottom of a deep borehole |
| CN2634115Y (en) * | 2003-09-01 | 2004-08-18 | 中油勘探监理涿州有限责任公司 | Remote sensing type well deep monitor |
| CN2793321Y (en) * | 2004-11-18 | 2006-07-05 | 辽河石油勘探局 | Flexible butt-jointed cable transferring device with hydraulic pump delivery for horizontal well |
-
2006
- 2006-12-21 CN CN2006101655114A patent/CN101205806B/en active Active
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510326A (en) * | 2011-12-15 | 2012-06-20 | 西安思坦仪器股份有限公司 | Full-duplex communication method based on single-core electric cables |
| CN103067044A (en) * | 2012-12-21 | 2013-04-24 | 中国船舶重工集团公司第七一五研究所 | Distance-increasing and speeding-up method of single coaxial-cable bidirectional data transmission |
| CN103067044B (en) * | 2012-12-21 | 2015-01-28 | 中国船舶重工集团公司第七一五研究所 | Distance-increasing and speeding-up method of single coaxial-cable bidirectional data transmission |
| US10731459B2 (en) | 2013-02-25 | 2020-08-04 | Evolution Engineering Inc. | Integrated downhole system with plural telemetry subsystems |
| US11649720B2 (en) | 2013-02-25 | 2023-05-16 | Evolution Engineering Inc. | Integrated downhole system with plural telemetry subsystems |
| CN105164370A (en) * | 2013-02-25 | 2015-12-16 | 开拓工程股份有限公司 | Integrated downhole system with plural telemetry subsystems |
| US11359483B2 (en) | 2013-02-25 | 2022-06-14 | Evolution Engineering Inc. | Integrated downhole system with plural telemetry subsystems |
| US10066481B2 (en) | 2013-02-25 | 2018-09-04 | Evolution Engineering Inc. | Downhole electromagnetic and mud pulse telemetry apparatus |
| US10215021B2 (en) | 2013-02-25 | 2019-02-26 | Evolution Engineering Inc. | Downhole electromagnetic and mud pulse telemetry apparatus |
| US10253621B2 (en) | 2013-02-25 | 2019-04-09 | Evolution Engineering Inc. | Integrated downhole system with plural telemetry subsystems |
| CN105164370B (en) * | 2013-02-25 | 2019-11-01 | 开拓工程股份有限公司 | Integrated downhole system with multiple telemetry subsystems |
| US11073015B2 (en) | 2013-02-25 | 2021-07-27 | Evolution Engineering Inc. | Integrated downhole system with plural telemetry subsystems |
| CN104763409B (en) * | 2015-03-03 | 2017-08-01 | 西安威盛电子科技股份有限公司 | A kind of oil downhole flow measurement apparatus and measuring method |
| CN104763409A (en) * | 2015-03-03 | 2015-07-08 | 西安威盛电子科技股份有限公司 | Device and method for measuring underground flow rate of petroleum well |
| CN107269268A (en) * | 2017-06-14 | 2017-10-20 | 中石化石油工程技术服务有限公司 | One kind is with brill measurement and control instrument bus system |
| CN107269268B (en) * | 2017-06-14 | 2024-04-05 | 中国石油化工集团有限公司 | Measurement and control instrument bus system while drilling |
| CN110894787A (en) * | 2018-09-12 | 2020-03-20 | 中国石油化工股份有限公司 | Bus driving device for measuring pup joint while drilling |
| CN110910625A (en) * | 2019-11-15 | 2020-03-24 | 浙江大学 | 485 bus-based seabed in-situ low-power consumption multi-node data acquisition system |
| CN110910625B (en) * | 2019-11-15 | 2022-04-19 | 浙江大学 | 485 bus-based seabed in-situ low-power consumption multi-node data acquisition system |
| CN112160746A (en) * | 2020-09-27 | 2021-01-01 | 电子科技大学 | Time domain measuring device for ultra-deep resistivity logging |
| CN112160744A (en) * | 2020-09-27 | 2021-01-01 | 电子科技大学 | Measuring device for ultra-deep resistivity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101205806B (en) | 2011-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101205806B (en) | Down-hole instrument high-speed single-core cable transmission device | |
| CN100401098C (en) | Through tubing real time downhole wireless gauge | |
| CN104695917B (en) | Intelligent watering system | |
| CN203214049U (en) | Wireless while-drilling measurement system | |
| CN105156093B (en) | A kind of bridge-type surveys tune and tests envelope integrated test test instrument with one heart | |
| US20090045974A1 (en) | Short Hop Wireless Telemetry for Completion Systems | |
| CN201106445Y (en) | Reducing tow device for casing horizontal well logging dragging device | |
| CN103899301A (en) | Wireless measurement while drilling system and method | |
| US6644403B2 (en) | Method and device for the measuring physical parameters in a production shaft of a deposit of underground fluid storage reservoir | |
| CN101440705B (en) | Super-deep well wireless transmission well testing system | |
| CN202645545U (en) | Downhole two-way data transmission system | |
| CN102140912B (en) | Underground monitoring device of intelligent well | |
| CN110671098B (en) | Underground single-core bus circuit device while drilling | |
| CN106677760A (en) | Power supply type near-bit geological guiding measuring short section not provided with power source | |
| CN109577932A (en) | A kind of water injection well remotely monitors and automatic control system and method | |
| CN105756671A (en) | Wireless bidirectional information transmission device for oil-gas well | |
| CN104500025B (en) | A kind of digital downhole controller | |
| CN201246157Y (en) | Well cementing parameter integrative collecting system | |
| CN106089162A (en) | The layering section that a kind of double-direction radio identification controls exploits flow string and regulation device | |
| CN201068794Y (en) | Down-hole data wireless exchange set | |
| CN203161209U (en) | Gamma multi-term detection cement density logger | |
| CN103510945A (en) | Multifunctional downhole intelligent actuator under control of superlong wave and pressure wave encoding | |
| CN116792067A (en) | Underground cableless intelligent measurement and control system device and application method | |
| CN204851221U (en) | Concentric measure and regulate of bridge type tests and seals integration test instrument | |
| CN208966331U (en) | Down-hole data communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |