Seismic vibrator device and method with rotation sensor
First Claim
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1. A seismic land vibrator, comprising:
- a baseplate being a substantially flat, rigid member having one side that is adapted for contact with the ground;
at least one driven member that is connected with the baseplate and extends in a direction that is substantially perpendicular to the baseplate;
a rotation sensor that is coupled to the baseplate and adapted to provide a signal that is indicative of rotational movement of at least a portion of the baseplate.
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Abstract
A seismic land vibrator, comprising a baseplate comprising a substantially flat, rigid member; at least one driven member that is connected with the baseplate and extends in a direction that is substantially perpendicular to baseplate; a rotation sensor that is coupled to the baseplate and adapted to provide a signal that is indicative of rotational movement of at least a portion of the baseplate.
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Citations
27 Claims
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1. A seismic land vibrator, comprising:
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a baseplate being a substantially flat, rigid member having one side that is adapted for contact with the ground; at least one driven member that is connected with the baseplate and extends in a direction that is substantially perpendicular to the baseplate; a rotation sensor that is coupled to the baseplate and adapted to provide a signal that is indicative of rotational movement of at least a portion of the baseplate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of seismic surveying, comprising:
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actuating a drive mechanism that applies force to a baseplate that impacts the ground, thereby creating a vibration signal that travels into the ground; while the drive mechanism is actuating, making measurements of rotational movement of the baseplate by way of a rotation sensor that is coupled to the baseplate. - View Dependent Claims (15, 16, 17, 18)
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19. A method of modeling a land seismic vibrator, comprising:
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measuring particle motion that is indicative of rotation of a baseplate of the land seismic vibrator, and using the indicated rotation of the baseplate to model movement of the baseplate. - View Dependent Claims (20, 21)
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22. A method of manufacturing a land seismic vibrator, comprising:
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connecting a baseplate to a drive mechanism that is configured to input vibratory forces to the baseplate; connecting the baseplate to a stilt device that supports the baseplate at least partially by way of a flexible member connected between the stilt device and the baseplate; connecting the stilt device to a vehicle that can drive from place to place, and has a raising and lowering device to raise and lower the stilt member; and connecting at least one rotation sensor to the baseplate for measurement of rotational movement of the baseplate. - View Dependent Claims (23, 24, 25, 26, 27)
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Specification