Patent ID: 9599735
Date: 2017-03-21
CPC Classifications: G01V

Claim:
1. A method of performing a geophysical survey in a marine environment, the method comprising: towing an active section of a geophysical streamer in the marine environment, the active section having a buoyancy; towing a tail section in the marine environment, the tail section coupled to a distal end of the active section, the towing of the tail section by way of the active section, at least a portion of the tail section having a buoyancy that is both positively buoyant and greater than buoyancy of the active section, and buoyancy at a distal portion of the tail section greater than buoyancy at a proximal portion of the tail section; towing a tail buoy in the marine environment, the tail buoy coupled to a distal end of the tail section, and the towing of the tail buoy by way of the tail section; and gathering geophysical survey data by way of the active section, the gathering during the towing.