Natural gas hydrates, composed primarily of water and methane, are solid, crystalline, ice-like substances found in permafrost areas and deepwater basins around the world. As the search for oil and gas extends into ever-deeper waters, particularly within the northern Gulf of Mexico, gas hydrates are becoming more of a focus in terms of both safety and as a potential energy resource.

Locating likely areas of gas hydrates using remote seismic sensing is relatively straightforward in many parts of the world where bottom-simulating reflectors (BSR) are readily evident. A BSR is a high-amplitude reflector that approximately parallels the seafloor, and which...

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