Seismic sensor array
First Claim
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1. A seismic sensor array comprising:
- a flexible sheet of material having a periphery, the sheet being flexible when stored; and
multiple seismic sensors mounted through holes on the sheet;
the periphery of the sheet being maintained in a substantially taut manner in substantially all directions during use.
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Abstract
The preferred embodiment of a seismic sensor array includes a sheet of material and seismic sensors mounted to the sheet. In a further aspect of the present invention, the array includes devices to make the seismic sensor array portable and transportable. In another aspect of the present invention, the seismic sensor array is part of a seismic measurement recording system which includes a data collection box and a computer.
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Citations
24 Claims
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1. A seismic sensor array comprising:
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a flexible sheet of material having a periphery, the sheet being flexible when stored; and
multiple seismic sensors mounted through holes on the sheet;
the periphery of the sheet being maintained in a substantially taut manner in substantially all directions during use. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
an impulse device operably transmitting a subsonic signal;
an electronic control unit; and
the array connected to the electronic control unit, the array operably sensing reflections of the signal, the electronic control unit generating a three dimensional image based at least in part on the sensed reflections.
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3. The system of claim 2 further comprising an electronic network of remotely located computers connected to the electronic control unit.
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4. The system of claim 2 wherein the electronic control unit includes a personal computer which produces three-dimensional imaging of seismic data that is received by the seismic sensor array.
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5. The system of claim 2 wherein the array is connected to the electronic control unit in a wireless manner.
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6. The system of claim 2 wherein the electronic control unit operably calculates density, pressure wave velocity and shear wave data from a sub-surface target area.
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7. The system of claim 2 wherein the sheet, sensors, impulse device and control unit are all portable.
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8. The seismic sensor array of claim 1 wherein the array is mechanically mountable to a vehicle during sensing.
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9. The seismic sensor array of claim 8 further comprising an actuator wherein the sheet and sensors are movable together from a transportable position to a measurement position by the actuator.
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10. The seismic sensor array of claim 1 wherein a substantially rigid frame is attached around substantially the entire periphery of the sheet.
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11. The seismic sensor array of claim 10 further comprising a self-supporting second frame coupled to the first frame, wherein the sheet is suspended within the second frame.
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12. The seismic sensor array of claim 1 further comprising a frame and wheels coupled to the frame wherein the sheet and sensors attached to the frame.
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13. The seismic sensor array of claim 1 wherein the sheet and sensors are portable as a self contained unit.
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14. The seismic sensor array of claim 1 wherein the sensors are at least one of the following:
- a two-dimensional geophone, a three-dimensional geophone, a piezo electric seismic sensor, and a hydrophone.
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15. The seismic sensor array of claim 1 wherein the sheet is held on a substantially rigid frame located in a pocket in the sheet.
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16. The system of claim 1 wherein each of the sensors protrude from opposing faces of the sheet of material.
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17. A method of using a seismic sensor array having seismic sensors, a sheet, and an electronic control unit, the method comprising:
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(a) flexing the entire center of the sheet;
(b) positioning the seismic sensor array on the ground;
(c) maintaining tautness throughout the array;
(d) transmitting a subsonic vibration into the ground;
(e) receiving a signal from the ground by the sensors;
(f) processing the signal with the electronic control unit; and
(g) displaying a three-dimensional image of collected data. - View Dependent Claims (18, 19, 20)
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21. A method of using a seismic sensor array having seismic sensors and a sheet, the method comprising:
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(a) flexing the middle of the sheet;
(b) mounting the sensors to the sheet;
(c) positioning the seismic sensor array on the ground. - View Dependent Claims (22, 23, 24)
(a) sending a vibration into the ground;
(b) receiving a signal from the ground by the sensors; and
(c) processing the signal with an electronic control unit.
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23. The method of claim 21 further comprising calculating a three-dimensional image of collected data sensed by the sensors.
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24. The method of claim 21 further comprising rolling the sheet into a stored bundle.
Specification