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2013
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Invention
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Seismic source array. A marine seismic source array includes multiple strings of marine seismic s... |
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2005
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Invention
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Air gun. A seismic air gun includes an operating chamber, a firing chamber, a port, and a longitu... |
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2000
|
Invention
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Streamlined, readily towable marine seismic energy source for creating intense swept-frequency an... |
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Invention
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Controlled-polarization marine seismic shear-wave source. Controlled-polarization marine seismic ... |
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1994
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Invention
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Large-diameter, cylinder-shuttle seismic airgun method, apparatus and towing system. A large-diam... |
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1992
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Invention
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Monoport airgun for seismic exploration having discharge port extending continuously for 360 degr... |
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Invention
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Mechanism useful as a slip clutch or brake. A mechanism useful as a clutch or brake comprising a ... |
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1989
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Invention
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Mechanism useful as a slip clutch or brake. A mechanism useful as a slip clutch or brake which co... |
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1988
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Invention
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Cone clutch. A cone clutch comprising a housing member defining an internal frustro-conical surfa... |
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1987
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Invention
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Tube-wave attenuation method, system and apparatus for use with an inpulsive seismic energy sourc... |
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1986
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Invention
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High ambient liquid pressure-resistant electrical connector. A high ambient liquid pressure-resis... |
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Invention
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Small powerful hydro gun. An uncomplicated, easy to operate, relatively inexpensive, compact and ... |
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Invention
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Method and apparatus for reducing the stretch of an elastomeric diaphragm of a land seismic sourc... |
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1985
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Invention
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Long-life, low-maintenance air gun/hydro gun. A long-life, low-maintenance air gun/hydro gun incl... |
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1984
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Invention
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Method and apparatus for converting an air gun into a hydro gun for marine seismic impulse genera... |
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Invention
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Airgun having shaft-bearing-guided shuttle and capable of fast repitition self-firing. An airgun ... |
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Invention
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Method and system for generating shear waves and compression waves in the earth for seismic surve... |
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1983
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Invention
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Modular airgun array method, apparatus and system. A plurality of control station, watertight, su... |
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1982
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Invention
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Method and system for well velocity shooting and vertical seismic profiling. A method and system ... |
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1981
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Invention
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Land seismic source method and apparatus. An air gun is mounted in a reaction mass having an impu... |
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Invention
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Sleeve shuttle air gun. A sleeve shuttle air gun is described which can be fired by a solenoid va... |
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Invention
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Bouncer type pile driver. A massive piston that does not strike anything during operation recipro... |
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1979
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Invention
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Pivoted elevator mounting for mobile land seismic energy source. The horizontal extensions includ... |
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Invention
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Acceleration-responsive apparatus for sensing firing instant of an air gun. A variable reluctance... |
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Invention
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Air gun firing sensor apparatus and system. An air gun firing sensor apparatus and system are pro... |
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Invention
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High strength submersible electrical cable and connector assembly. A high strength submersible el... |
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Invention
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Quiet bouncer driver thruster method with pressurized air chamber encircling massive bouncing pis... |
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1978
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Invention
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Method and apparatus for generating seismic impulses using high pressure water pump as the energi... |
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Invention
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Airgun apparatus providing high strength and high pressure capabilities. Airgun apparatus are dis... |
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Invention
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Method and apparatus for monitoring and controlling a multiplicity of air guns for seismic survey... |
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Invention
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Air gun monitoring method and apparatus. Firing of a seismic source of the type called an air gun... |
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1977
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Invention
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Seismic land source. A seismic land source for transmitting powerful seismic energy impulses into... |
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1975
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Invention
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Airgun marine seismic survey streamer method and apparatus. A method and apparatus for simultaneo... |
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Invention
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Powerful submersible deepwater pile driver powered by pressurized gas discharge. A very powerful ... |
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Invention
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Pressurized gas discharging apparatus for use as a down-bore seismic impulse source. Improved pre... |
