CN209892187U - While-drilling equipment signal downloading system with downhole generator - Google Patents
While-drilling equipment signal downloading system with downhole generator Download PDFInfo
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- CN209892187U CN209892187U CN201821968543.2U CN201821968543U CN209892187U CN 209892187 U CN209892187 U CN 209892187U CN 201821968543 U CN201821968543 U CN 201821968543U CN 209892187 U CN209892187 U CN 209892187U
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Abstract
A signal downloading system of a drilling equipment with an underground generator comprises a ground monitoring computer, a drilling pump start-stop control device, a drilling pump, an underground signal receiving and demodulating circuit and an underground generator device, wherein the drilling pump start-stop control device is connected to the drilling pump to realize the control of the drilling pump; therefore, the utility model discloses simple structure, convenient operation directly utilizes power supply unit generator in the pit, has realized control data's download, provides the signal of low cost and passes down the passageway for realizing drilling orbit closed-loop control.
Description
Technical Field
The utility model relates to a technical field of oil and gas probing especially relates to a along with boring equipment signal system of passing down with generator in pit.
Background
During drilling, it is desirable to enable communication between the surface and the downhole drilling tool to enable remote control of the operating conditions of the drilling tool at the surface. The modern control technology is widely applied to the field of oil and gas drilling, so that manpower is saved, production cost is reduced, the precision of a control target is improved, and production benefits are greatly improved. In the drilling engineering of petroleum, mine, address exploration and the like, the drilling operation still depends on manual operation to a great extent, mainly depends on the experience and skill of engineers, geologists and drillers, along with the popularization and application of measurement while drilling technology, the drilling track and stratum information can be timely transmitted to the ground, the decision and correction on the drilling process can be timely made, the drilling scientificity is improved, but the current measurement while drilling technology can only transmit information in one direction, namely, only can acquire and transmit the working condition and the stratum information of a downhole drilling tool to the ground, the working state of the drilling tool cannot be timely changed according to real-time information, so that the drilling tool can drill according to an engineering design track more accurately, a two-way (ground-downhole) information channel is required to achieve the purpose, the ground control information is timely transmitted to the downhole, the downhole guiding tool corrects the working state at any time, and the closed-loop control on the drilling track is, the accuracy of the drilling track is improved, the drilling cost is reduced on the whole, and the drilling success rate and the exploration and development benefits are improved.
In the current measurement while drilling technology, the transmission technology of communication signals from the underground to the ground mainly comprises electromagnetic waves, sound waves, mud pulses and wires. The better candidates for signal download are the wire and mud pulse. The method has the advantages that the wire is adopted for transmission, a single-core armored cable is generally used for being placed down through a drill column channel, although the method is fast in information transmission, accurate and reliable, special drill rods are needed, the operation is complex, the cost is very high, the cable is difficult to connect and maintain under the conventional drilling condition, and the cable is easy to twist off when rotating along with the drill column; the mud pulse mode has large signal noise and high error rate. Both of these methods are expensive and not very feasible, which requires new approaches.
Therefore, in view of the above-mentioned drawbacks, the designer of the present invention develops a signal downloading system with an underground generator while drilling by means of comprehensive research and design of experience and achievement of related industries for many years, so as to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a along with boring equipment signal system of passing down with generator in pit, its simple structure, convenient operation provides the signal of low cost and passes down the passageway, effectively overcomes prior art's defect.
In order to achieve the above object, the utility model discloses a along with boring equipment signal passing system down with generator in pit, open including ground supervisory control computer, drill pump and stop controlling means, drill pump, signal reception demodulation circuit and generator in pit, its characterized in that:
one end of the drilling pump is connected to a slurry pump for pumping out slurry, the other end of the drilling pump is connected to an underground generator device for outputting voltage by pumping out the slurry, the drilling pump start-stop control device is connected to the drilling pump for controlling the drilling pump, the ground monitoring computer is connected to the drilling pump start-stop control device for transmitting control signals, and the underground signal receiving and demodulating circuit is connected to the underground generator device for receiving voltage signals output by the underground generator device, demodulating data transmitted by the ground monitoring computer through signal processing and directly transmitting the data to a drilling tool control device;
the ground monitoring computer is connected with the drilling pump start-stop control device through a communication interface so as to directly control the start-stop of the drilling pump through the drilling pump start-stop control device.
Wherein: the drilling pump starting and stopping control device comprises a communication interface, a controller and a coding circuit, a relay driving circuit and an alternating current contactor, wherein the communication interface is connected with the ground monitoring computer to receive and convert control data, the controller and the coding circuit are connected with the communication interface to code the control data and send high and low level pulses, the controller and the coding circuit are connected with the relay driving circuit and control the contacts of the relay driving circuit to be opened or closed through the high and low level pulses, and the contacts of the relay driving circuit are connected in a closed mode and control the coil of the alternating current contactor to be powered up so as to control the drilling pump to work and stop to realize that the downhole generator device outputs corresponding voltage signals.
Wherein: the signal receiving and demodulating circuit comprises a signal transformer, a signal processing and demodulating circuit, a controller and a communication interface, wherein the single-phase output of the underground generator device is connected with two ends of a primary coil of the signal transformer, the signal transformer is connected to the signal processing and demodulating circuit so as to isolate, reduce and output the signal output by the single-phase output of the underground generator device to the signal processing and demodulating circuit, the signal processing and demodulating circuit is connected to the controller and the communication interface so as to receive the signal and then output the signal to the controller and the communication interface after amplification, band-pass filtering, wave detection, low-pass filtering and signal judgment, and the controller and the communication interface are connected to the underground drilling tool control device so as to identify the data transmitted by the ground monitoring computer and output the data to the underground drilling tool control device.
Wherein: the signal processing and demodulating circuit comprises a signal processing circuit, a detecting circuit, a low-pass filter circuit and a signal judging circuit which are sequentially connected, wherein the signal processing circuit is connected to the signal transformer, and the signal judging circuit is connected to the controller and the communication interface.
According to the structure, the utility model discloses a along with boring equipment signal passing system has following effect with generator in the pit:
1. the structure is simple, the operation is convenient, and the control is simple and reliable;
2. the underground generator of the underground power supply device is directly utilized, the control data is downloaded, and a low-cost signal downloading channel is provided for realizing the closed-loop control of the drilling track.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
Fig. 1 shows a schematic structural diagram of the signal downloading system of the drilling equipment with the downhole generator according to the present invention.
Fig. 2A and 2B show schematic diagrams of signal transmission in the present invention.
Fig. 3 shows the structural schematic diagram of the start and stop control device of the central drilling pump of the present invention.
Fig. 4 shows a schematic structural diagram of the downhole signal receiving and demodulating circuit of the present invention.
Detailed Description
Referring to fig. 1 to 4, the equipment-while-drilling signal downloading system with a downhole generator of the present invention is shown.
The while-drilling equipment signal downloading system with the downhole generator comprises a ground monitoring computer 101, a drilling pump start-stop control device 102, a drilling pump 103, a downhole signal receiving and demodulating circuit 104 and a downhole generator device 105, one end of the drilling pump 103 is connected to a mud pump 106 for pumping out mud, the other end is connected to a downhole generator device 105 for realizing the operation of the downhole generator device through pumping out mud to output voltage, the borehole pump start-stop control device 102 is connected to the borehole pump 103 to realize the control of the borehole pump 103, the surface monitoring computer 101 is connected to the drill pump start-stop control device 102 and realizes the transmission of control signals, the downhole signal receiving demodulation circuit 104 is connected to the downhole generator device 105, so as to receive the voltage signal output by the downhole generator device 105, demodulate the data downloaded by the ground monitoring computer 101 through signal processing, and directly output the data to the drilling tool control device.
Referring to fig. 2A and 2B, diagrams of signal transmission in the present invention are shown, fig. 2A being an encoded data signal, and fig. 2B being an output signal of a downhole power generator device.
The ground monitoring computer 101 is connected with the drilling pump start-stop control device 102 through a communication interface, and the drilling pump start-stop control device 102 directly controls the start-stop of the drilling pump 103. The data downloaded by the ground monitoring computer 101 is sent to the drilling pump start-stop control device 102 through a communication port, and after being coded, as shown in fig. 2A, data coding signals are high and low power with time sequence, when the data coding signals are high level, the drilling pump 103 starts working, the drilling fluid starts circulating, and the downhole generator device 105 is driven to work and output voltage; when the data encoding signal is low, the borehole pump 103 stops working, the drilling fluid stops circulating, the downhole generator device 105 stops working, no voltage is output, and therefore the output voltage signal is shown as the generator output signal in fig. 2B. The voltage signal output by the generator is transmitted to the downhole signal receiving and demodulating circuit 104, and the downhole signal receiving and demodulating circuit 104 receives the voltage signal output by the downhole generator device 105, demodulates the data downloaded by the ground monitoring computer 101 through signal processing, and directly transmits the data to the drilling tool control device.
Therefore, the utility model discloses directly utilize power supply unit in the pit generator in the pit, realized control data's biography down, provide the signal of low cost and pass down the passageway for realizing drilling trajectory closed-loop control.
As shown in fig. 3, the drill pump start/stop control device 102 includes a communication interface 301, a controller and encoding circuit 302, a relay driving circuit 303, and an ac contactor 304.
The communication interface 301 is connected to the ground monitoring computer 101, and is configured to receive and convert control data of the ground monitoring computer 101.
The controller and coding circuit 302 is connected with the communication interface 301 and the relay driving circuit 303, the controller and coding circuit 302 codes control data sent by the ground monitoring computer 101 received by the communication interface 301, outputs a data coding signal shown in fig. 2A in a time-series high-low level pulse mode, and controls the contact of the relay driving circuit 303 to be opened or closed, the contact of the relay driving circuit 303 is closed and connected, and controls the coil of the alternating current contactor 304 to be powered on, so that the operation of the drilling pump 103 is controlled; the contact opening of the relay drive circuit 303 controls the coil of the alternating current contactor 304 to be powered off, so that the borehole pump 103 is controlled to stop.
As shown in fig. 4, the signal receiving and demodulating circuit 104 includes a signal transformer 401, a signal processing and demodulating circuit 402, and a controller and communication interface 403. The single phase output of the downhole generator unit 105 is connected across the primary winding of the signal transformer 401.
The signal transformer 401 is connected to the signal processing and demodulating circuit 402, so as to isolate, transform and reduce the signal output by the single-phase generator device 105, and output the signal to the signal processing and demodulating circuit 402, the signal processing and demodulating circuit 402 is connected to the controller and communication interface 403, so as to receive the signal, and output the signal to the controller and communication interface 403 after amplification, band-pass filtering, detection, low-pass filtering and signal judgment, and the controller and communication interface 403 is connected to the downhole drilling tool control device, so as to identify the data downloaded by the ground monitoring computer 101 and output the data to the downhole drilling tool control device.
The signal processing and demodulating circuit 402 includes a signal processing circuit 4021, a detector circuit 4022, a low-pass filter circuit 4023, and a signal decision circuit 4024, which are sequentially connected to each other, the signal processing circuit 4021 is connected to the signal transformer 401, and the signal decision circuit 4024 is connected to the controller and communication interface 403.
This completes the transmission of the signal from the surface downhole.
The beneficial effects of the utility model reside in that, directly utilize power supply unit in the pit generator in the pit, realized control data's biography down, provide low-cost signal passageway of passing down for realizing drilling trajectory closed-loop control.
It is to be understood that the above description and illustrations are exemplary only and are not intended to limit the present disclosure, application, or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention is intended to include any embodiments that fall within the foregoing description and the appended claims.
Claims (4)
1. The utility model provides a along with boring equipment signal system that passes down with generator in pit, includes ground supervisory control computer, drilling pump start-stop control device, drilling pump, signal reception demodulation circuit and generator in pit which characterized in that:
one end of the drilling pump is connected to a slurry pump for pumping out slurry, the other end of the drilling pump is connected to an underground generator device for outputting voltage by pumping out the slurry, the drilling pump start-stop control device is connected to the drilling pump for controlling the drilling pump, the ground monitoring computer is connected to the drilling pump start-stop control device for transmitting control signals, and the underground signal receiving and demodulating circuit is connected to the underground generator device for receiving voltage signals output by the underground generator device, demodulating data transmitted by the ground monitoring computer through signal processing and directly transmitting the data to a drilling tool control device;
the ground monitoring computer is connected with the drilling pump start-stop control device through a communication interface so as to directly control the start-stop of the drilling pump through the drilling pump start-stop control device.
2. The system of claim 1 for while drilling equipment signal download with downhole generator, wherein: the drilling pump starting and stopping control device comprises a communication interface, a controller and a coding circuit, a relay driving circuit and an alternating current contactor, wherein the communication interface is connected with the ground monitoring computer to receive and convert control data, the controller and the coding circuit are connected with the communication interface to code the control data and send high and low level pulses, the controller and the coding circuit are connected with the relay driving circuit and control the contacts of the relay driving circuit to be opened or closed through the high and low level pulses, and the contacts of the relay driving circuit are connected in a closed mode and control the coil of the alternating current contactor to be powered up so as to control the drilling pump to work and stop to realize that the downhole generator device outputs corresponding voltage signals.
3. The system of claim 1 for while drilling equipment signal download with downhole generator, wherein: the signal receiving and demodulating circuit comprises a signal transformer, a signal processing and demodulating circuit, a controller and a communication interface, wherein the single-phase output of the underground generator device is connected with two ends of a primary coil of the signal transformer, the signal transformer is connected to the signal processing and demodulating circuit so as to isolate, reduce and output the signal output by the single-phase output of the underground generator device to the signal processing and demodulating circuit, the signal processing and demodulating circuit is connected to the controller and the communication interface so as to receive the signal and then output the signal to the controller and the communication interface after amplification, band-pass filtering, wave detection, low-pass filtering and signal judgment, and the controller and the communication interface are connected to the underground drilling tool control device so as to identify the data transmitted by the ground monitoring computer and output the data to the underground drilling tool control device.
4. The rig-while-drilling signal downloading system with a downhole generator of claim 3, wherein: the signal processing and demodulating circuit comprises a signal processing circuit, a detecting circuit, a low-pass filter circuit and a signal judging circuit which are sequentially connected, wherein the signal processing circuit is connected to the signal transformer, and the signal judging circuit is connected to the controller and the communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968543.2U CN209892187U (en) | 2018-11-28 | 2018-11-28 | While-drilling equipment signal downloading system with downhole generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968543.2U CN209892187U (en) | 2018-11-28 | 2018-11-28 | While-drilling equipment signal downloading system with downhole generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209892187U true CN209892187U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821968543.2U Expired - Fee Related CN209892187U (en) | 2018-11-28 | 2018-11-28 | While-drilling equipment signal downloading system with downhole generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209892187U (en) |
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2018
- 2018-11-28 CN CN201821968543.2U patent/CN209892187U/en not_active Expired - Fee Related
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Granted publication date: 20200103 Termination date: 20211128 |