VIBRATORY SOURCE FOR NON-VERTICAL BOREHOLES AND METHOD
First Claim
Patent Images
1. A reaction mass seismic source that is located in an underground casing, the seismic source comprising:
- a non-planar base plate;
a reaction mass located on the non-planar base plate; and
a flextensional element located between the reaction mass and the base plate and configured to vibrate the non-planar base plate when actuated, to generate seismic waves underground.
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Abstract
A reaction mass seismic survey source that is located in an underground casing. The seismic source includes a non-planar base plate; a reaction mass located on the non-planar base plate; and a flextensional element housed in a recess of the reaction mass and configured to vibrate the non-planar base plate when actuated, to generate seismic waves underground.
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Citations
20 Claims
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1. A reaction mass seismic source that is located in an underground casing, the seismic source comprising:
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a non-planar base plate; a reaction mass located on the non-planar base plate; and a flextensional element located between the reaction mass and the base plate and configured to vibrate the non-planar base plate when actuated, to generate seismic waves underground. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A reaction mass seismic source that is located in an underground casing, the seismic source comprising:
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plural individual source elements connected to each other, a source element comprising; a non-planar base plate; a reaction mass located on the non-planar base plate; and a flextensional element housed in a recess of the reaction mass and configured to vibrate the non-planar base plate when actuated to generate seismic waves. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A method for generating seismic waves in a non-vertical borehole, the method comprising:
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positioning a source element in a non-vertical borehole; extending a coupling element to push a non-planar base plate of the source element against a wall of the borehole; actuating a flextensional element located inside a reaction mass of the source element; and generating the seismic waves by vibrating the non-planar base plate with the flextensional element. - View Dependent Claims (18, 19, 20)
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Specification