Seismic source/receiver probe for shallow seismic surveying
First Claim
1. A seismic sensor array, comprising;
- a frame comprising a plurality of support arrangements each configured to support one of a plurality of discrete seismic probes, the support arrangements configured to maintain the seismic probes in substantially fixed relative locations while allowing the seismic probes to individually contact and engage the ground; and
each of the seismic probes comprising;
a ground engagement member;
a seismic source mechanically coupled to the ground engagement member, the seismic source configured to transmit energy through the ground engagement member; and
a sensor assembly attached to the ground engagement member and configured to sense ground vibrations resulting from an impact to the ground generated by the seismic source acting on the ground engagement member and of a type and wavelength that facilitate shallow seismic surveying of underground objects.
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Abstract
Systems and methods are implemented for evaluating underground structures and objects, particularly relatively shallow underground structures and objects, using a seismic or acoustic source signal and a resulting seismic or acoustic wave. A discrete or unitary apparatus incorporates both a seismic source transducer and a receiver transducer within a common housing or frame. A unitary seismic probe includes a ground engaging member and a seismic source mechanically coupled to the ground engaging member. The probe further includes a sensor assembly mechanically coupled to the ground engaging member and configured to sense ground vibrations resulting from an impact to the ground engaging member by the seismic source.
36 Citations
23 Claims
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1. A seismic sensor array, comprising;
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a frame comprising a plurality of support arrangements each configured to support one of a plurality of discrete seismic probes, the support arrangements configured to maintain the seismic probes in substantially fixed relative locations while allowing the seismic probes to individually contact and engage the ground; and each of the seismic probes comprising; a ground engagement member; a seismic source mechanically coupled to the ground engagement member, the seismic source configured to transmit energy through the ground engagement member; and a sensor assembly attached to the ground engagement member and configured to sense ground vibrations resulting from an impact to the ground generated by the seismic source acting on the ground engagement member and of a type and wavelength that facilitate shallow seismic surveying of underground objects. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 22)
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15. A method of probing the ground, comprising:
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providing a frame comprising a plurality of support arrangements each configured to support one of a plurality of discrete seismic probes, each of the seismic probes comprising; a ground engagement member; a seismic source mechanically coupled to the ground engagement member; and a sensor assembly attached to the ground engagement member; contacting the ground with the ground engagement members; maintaining, using the support arrangements, the seismic probes in substantially fixed relative locations while allowing the seismic probes to individually engage the ground with a consistent force; generating seismic or acoustic probe waves that facilitate shallow seismic surveying of underground objects using the seismic sources; transmitting the probe waves through the respective ground engagement members and into the ground to perform the shallow seismic surveying; and sensing for the underground objects based on a response to the probe waves. - View Dependent Claims (16, 17, 18, 19, 20, 21, 23)
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Specification