|Teledyne Bolt, Inc. is a leading designer and manufacturer of seismic energy sources. In 1993 Bolt introduced the LONG-LIFE Air Gun, which has become the world’s most widely used air gun for marine seismic exploration. Teledyne Bolt, Inc. in conjunction with WesternGeco recently developed a new marine air gun based on a revolutionary design. The eSource is the first bandwidth controlled impulsive marine seismic source that addresses ocean noise. In addition to marine air guns, Teledyne Bolt, Inc. supplies a range of Down Hole Air Guns used for reservoir characterization, transition zone surveys and onshore and offshore VSP surveys.