ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,259, issued on Nov. 4, was assigned to TGS-NOPEC Geophysical Co. (Houston).
"Direct fill chamber" was invented by Darrell Burch (Houston), Emerson Jose Verissimo (Houston) and Timothy Dudley (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments herein describe a seismic source that includes a reservoir configured to hold compressed gas, a first firing head coupled to the reservoir where the first firing head configured to generate seismic energy by releasing a first portion of the compressed air from the reservoir to form a first gas bubble in a seismic medium, and a second firing head coupled to the reservoir where the second firing he...