Source Control

DigiSHOT is the leading digital marine source control system available today. It provides a highly repeatable, broadband source array signature required for high quality 3D and 4D seismic imaging by ensuring air guns fire as close as possible to their pre-determined target fire-times.

Many vessels still use traditional analog air gun controllers, which pass small signals through long, expensive umbilicals that are highly susceptible to leakage in the marine environment. As a result, source signatures are often inadequate for high resolution 3D or highly repeatable 4D applications.

DigiSHOT carries all signals digitally to and from the Gun Control Module, typically located within 1 meter of the gun, reducing umbilical length, cost, and leakage potential. In addition, the digital signature enables 80% more accurate firing time than traditional analog systems.

• Reduces timing errors by up to 80%
• Improves resolution and repeatability
• Maximizes energy delivery to the subsurface
• Supports long offsets, such as 1 km, with drop-in high-voltage power supply
• Increased reliability reduces source downtime
• Lowers crew operating costs by enabling the use of smaller umbilicals, which reduces deck space requirement, drag, and fuel consumption
• Compatible with all leading source brands