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Seismic telemetry system

Info

Publication number
CA2279694A1
CA2279694A1 CA 2279694 CA2279694A CA2279694A1 CA 2279694 A1 CA2279694 A1 CA 2279694A1 CA 2279694 CA2279694 CA 2279694 CA 2279694 A CA2279694 A CA 2279694A CA 2279694 A1 CA2279694 A1 CA 2279694A1
Authority
CA
Grant status
Application
Patent type
Prior art keywords
sensor
station
base
transmitting
data
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
Application number
CA 2279694
Other languages
French (fr)
Other versions
CA2279694C (en )
Inventor
James Iseli
Lawrence P. Behn
Thomas G. Leete
Kambiz Afkami
Thomas Buie
John E. Barnett, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ion Geophysical Corp
Original Assignee
Input/Output, Inc.
James Iseli
Lawrence P. Behn
Thomas G. Leete
Kambiz Afkami
Thomas Buie
John E. Barnett, Jr.
Ion Geophysical Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/22Transmitting seismic signals to recording or processing apparatus
    • G01V1/223Radioseismic systems

Abstract

A system for remotely controlling, acquiring and monitoring the acquisition of seismic data. The system includes remote equipment for collecting seismic data and for transmitting and receiving communication signals to and from a remote location. The system also includes local equipment for transmitting and receiving communication signals to and from the remote location. In this manner, the collection of seismic data at remote locations can be controlled and monitored locally.

Claims (26)

1. A method of dividing up a communication channel for use in a seismic acquisition system having M base stations and N sensors, comprising:
dividing up the communication channel into M frequency bands; and dividing up each frequency band into N+1 time slots.
2. A method of dividing up a communication channel for use in a seismic acquisition system, comprising:
dividing up the communication channel into time slots including signaling and status bits, seismic information, and guard time.
3. A method of transmitting information from a sensor to a base station in a seismic acquisition system, comprising:
listening for an open time slot, frequency, and sector;
requesting use of the available time slot from the base station;
if the base station is operating at full capacity, then reducing the overall data for the base station; and if the base station is not operating at full capacity, then capturing the open time slot and transmitting to the base station.
4. A method of error correction in a communication system for a seismic acquisition system including a sensor and a base station, comprising:
transmitting data from the sensor to the base station; and if the data includes errors, then retransmitting the data.
5. A method of error correction in a communication system for a seismic acquisition system including a sensor and a base station, comprising:
Page 61 of 69 transmitting data from the sensor to the base station; and if the data includes errors, then requesting retransmission of the data.
6. A method of error correction in a communication system for a seismic acquisition system including a sensor and a base station, comprising:
transmitting data from the sensor to the base station;
if the data includes errors, then retransmitting during non-active time.
7. A method of transmitting information in a communication channel in a seismic acquisition system including a plurality of sensors positioned at different distance from a base station, comprising:
transmitting information from one of the sensors to the base station;
if the sensor is a nearby sensor, then adjusting the modulation in the communication channel to increase the data density.
8. A method of transmitting information from a sensor to a base station in a seismic acquisition system having a plurality of communication channels, comprising:
selecting a channel for transmission from the sensor to the base station;
if no channels are available, then waiting until a channel is available;
if the selected channel is available, then transmitting the information from the sensor to the base station;
if the selected channel is impaired, then selecting another channel;
if all of the information has not been properly transmitted, then adjusting to a lower order modulation and transmitting a request for retransmission from the base station to the sensor;
and Page 62 of 69 if all of the information has been properly transmitted, then adjusting to a lower order modulation and transmitting control information from the base station to the sensor.
9. A base station for use in a seismic acquisition system, comprising:
a transceiver;
one or more diversity antennas; and one or more directional antennas.
10. A method of selecting an antenna for transmitting information in a seismic acquisition system having a plurality of antennas, comprising:
determining the data density for each antenna;
selecting the optimum antenna for transmitting information;
transmitting the information using the selected optimum antenna; and subsequently receiving information using the selected optimum antenna.
11. A seismic acquisition system, comprising:
one or more sensors adapted to sense conditions and generate signals representative of the sensed conditions including a memory for storing the signals;
a base station operably coupled to the sensors for receiving and transmitting the signals including a memory for storing the signals; and a recorder operably coupled to the base station for storing the signals.
12. A method of communicating in a seismic acquisition system having sensors, base stations and a recorder, comprising:
storing data in the sensors;
Page 63 of 69 transmitting data from the sensors to the base stations;
storing data in the base stations; and transmitting data from the base stations to the recorder.
13. A seismic acquisition system, comprising:
one or more sensors adapted to sense conditions and transmit signals representative of the sensed conditions;
one or more base stations operably coupled to the sensors adapted to receive and transmit the signals; and a recorder operably coupled to the sensors and the base stations adapted to receive the signals and transmit control information to the sensors.
14. A seismic acquisition system, comprising:
a plurality of rows of sensor stations for sensing conditions and transmitting signals representative of the sensed conditions;
a plurality of base stations coupled to the rows of sensor stations for receiving and transmitting the signals; and a recorder operably coupled to the base stations for receiving the signals.
15. A wireless master sensor station, comprising:
a transceiver for transmitting and receiving information including a directional antenna;
a control module coupled to the transceiver for monitoring and controlling the operation of the wireless master sensor station;
and a sensor module coupled to the control module for sensing conditions and generating signals representative of the sensed conditions.
Page 64 of 69
16. A sensor assembly, comprising:
a wireless master sensor station, including:
a transceiver for transmitting and receiving information including a directional antenna;
a control module coupled to the transceiver for monitoring and controlling the operation of the wireless master sensor station; and a sensor module coupled to the control module for sensing conditions and generating signals representative of the sensed conditions; and one or more slave sensor stations operably coupled to the wireless master sensor station, including:
a sensor module sensing conditions and generating signals representative of the sensed conditions.
17. A twisted pair sensor station, comprising:
a sensor coupling module for coupling the sensor station to a wireline connection;
a control module coupled to the sensor coupling module for monitoring and controlling the operation of the sensor station; and a sensor module coupled to the control module for sensing conditions and generating signals representative of the sensed conditions.
18. A sensor assembly, comprising:
a plurality of twisted pair sensor stations operably coupled to one another, each twisted pair sensor station including:
a sensor coupling module for coupling the sensor station to a wireline connection;
Page 65 of 69 a control module coupled to the sensor coupling module for monitoring and controlling the operation of the sensor station; and a sensor module coupled to the control module for sensing conditions and generating signals representative of the sensed conditions.
19. A picocell base station, including:
a first cellular transceiver including a first antenna;
a second cellular transceiver including a second antenna;
a third cellular transceiver including a third antenna;
a radio transceiver including a radio antenna;
a control module coupled to the first, second and third cellular transceivers and the radio transceiver;
a first wireline interface coupled to the control module;
a second wireline interface coupled to the control module; and a third wireline interface coupled to the control module.
20. A picocell, including:
a first group of wireless master sensor stations adapted to collect and transmit data;
a second group of wireless master sensor stations adapted to collect and transmit data; and a picocell base station coupled to the first and second group of wireless master sensor stations adapted to receive the data from the wireless master sensor stations and transmit it to an external device.
Page 66 of 69
21. A seismic acquisition system, comprising:
a plurality of rows of picocells, each picocell adapted to collect and transmit data; and a controller coupled to the picocells adapted to control and monitor the picocells and receive data from the picocells.
22. A method of communicating information between a base station and a plurality of sensors in a seismic acquisition system, comprising:
dividing the sensors into first and second groups of sensors;
transmitting information from the base station to the first group of sensors using a first communication channel;
transmitting information from the base station to the second groups of sensors using a second communication channel; and transmitting information from the base station to the first and second groups of sensors using a third communication channel.
23. A method of transmitting packets of information from sensors to a base station in a seismic acquisition system using a communication channel, comprising:
dividing the communication channel into a plurality of time slots including time slots for each of the sensors;
wherein each sensor time slot includes time slots for transmission of the sensor identification, the sensor status, the information packet number, the information, and error detection information for the transmitted information.
24. A seismic acquisition system, comprising:
a plurality of rows of picocells for collecting and transmitting data;
a plurality of multiplexers coupled to the rows of picocells; and Page 67 of 69 a controller coupled to the multiplexers and the picocells for recording the data, and monitoring and controlling the picocells.
25. A seismic acquisition system, comprising:
a first pico cell for collecting and transmitting data;
a second pico cell for collecting and transmitting data;
a multiplexer coupled to the first and second pico cells; and a controller coupled to the first and second pico cells and the multiplexer for monitoring and controlling the picocells and collecting and recording the data.
26. A seismic acquisition system, comprising:
a plurality of pico cells having data storage; and a controller coupled to the pico cells.
Page 68 of 69
CA 2279694 1998-08-07 1999-08-06 Seismic telemetry system Expired - Fee Related CA2279694C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US9579298 true 1998-08-07 1998-08-07
US9569698 true 1998-08-07 1998-08-07
US60/095,792 1998-08-07
US60/095,696 1998-08-07

Publications (2)

Publication Number Publication Date
CA2279694A1 true true CA2279694A1 (en) 2000-02-07
CA2279694C CA2279694C (en) 2009-12-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2279694 Expired - Fee Related CA2279694C (en) 1998-08-07 1999-08-06 Seismic telemetry system

Country Status (4)

Country Link
US (2) US7218890B1 (en)
JP (1) JP2000098045A (en)
CA (1) CA2279694C (en)
EP (1) EP0978733A3 (en)

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Also Published As

Publication number Publication date Type
EP0978733A2 (en) 2000-02-09 application
US7218890B1 (en) 2007-05-15 grant
JP2000098045A (en) 2000-04-07 application
EP0978733A3 (en) 2002-10-16 application
US7613071B2 (en) 2009-11-03 grant
US20050259514A1 (en) 2005-11-24 application
CA2279694C (en) 2009-12-29 grant

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