Marine object detection survey having source cross cable

A method of seabed object detection, comprising:

• providing a receiver array comprising a first streamer and a second streamer;
• coupling a first plurality of receivers with the first streamer;
• coupling a second plurality of receivers with the second streamer;
• coupling a receiver array cross-cable with the first streamer at a first streamer connection point;
• coupling the receiver array cross-cable with the second streamer at a second streamer connection point;
• providing a source array comprising a first source and a second source, wherein the source array comprises a pattern of sources;
• coupling a first source cable with the first source;
• coupling a second source cable with the second source;
• coupling a source array cross-cable with the first source cable at a first source attachment point;
• coupling the source array cross-cable with the second source cable at a second source attachment point;
• coupling a first lateral cable with a first diverter, wherein the first lateral cable is coupled to the source array cross-cable and the receiver array cross-cable,
• a specific point of the first lateral cable is coupled to the source array cross-cable at a first source array cross-cable connection point,
• a first lateral cable distal end of the first lateral cable is coupled to the receiver array cross-cable,
• the specific point of the first lateral cable is different from the first lateral cable distal end of the first lateral cable,
• the first lateral cable is coupled to the first diverter via the receiver array cross-cable, and
• the first source array cross-cable connection point is between a first lateral cable proximal end of the first lateral cable and the first diverter via the receiver array cross-cable, the first source array cross-cable connection point is closer to the first diverter than the first lateral cable proximal end;
• and
• coupling a second lateral cable with a second diverter, wherein the second lateral cable is coupled to the source array cross-cable and the receiver array cross-cable,
• a specific point of the second lateral cable is coupled to the source array cross-cable at a second source array cross-cable connection point,
• a second lateral cable distal end of the second lateral cable is coupled to the receiver array cross-cable,
• the specific point of the second lateral cable is different from the second lateral cable distal end of the second lateral cable,
• the second lateral cable is coupled to the second diverter via the receiver array cross-cable,
• the second source array cross-cable connection point is between a second lateral cable proximal end of the second lateral cable and the second diverter via the receiver array cross-cable, the second source array cross-cable connection point is closer to the second diverter than the second lateral cable proximal end, and
• wherein the first source cable is shorter than the source array cross-cable and the second source cable is shorter than the source array cross-cable.

A method of seabed object detection, comprising:

• providing a seabed object detection system, the seabed object detection system comprising:
• a receiver array comprising a first streamer and a second streamer;
• a first plurality of receivers coupled with the first streamer;
• a second plurality of receivers coupled with the second streamer;
• a receiver array cross-cable to couple with the first streamer at a first streamer connection point and to couple with the second streamer at a second streamer connection point;
• a source array comprising a first source and a second source, wherein the source array comprises a pattern of sources;
• a first source cable coupled with the first source;
• a second source cable coupled with the second source;
• a source array cross-cable to couple with the first source cable at a first source attachment point and to couple with the second source cable at a second source attachment point;
• a first lateral cable to couple with a first diverter, wherein the first lateral cable is coupled to the source array cross-cable and the receiver array cross-cable,
• a specific point of the first lateral cable is coupled to the source array cross-cable at a first source array cross-cable connection point,
• a first lateral cable distal end of the first lateral cable is coupled to the receiver array cross-cable,
• the specific point of the first lateral cable is different from the first lateral cable distal end of the first lateral cable,
• the first lateral cable is coupled to the first diverter via the receiver array cross-cable, and
• the first source array cross-cable connection point is between a first lateral cable proximal end of the first lateral cable and the first diverter, the first source array cross-cable connection point is closer to the first diverter than the first lateral cable proximal end;
• and
• a second lateral cable to couple with a second diverter, wherein
• the second lateral cable is coupled to the source array cross-cable and the receiver array cross-cable,
• a specific point of the second lateral cable is coupled to the source array cross-cable at a second source array cross-cable connection point,
• a second lateral cable distal end of the second lateral cable is coupled to the receiver array cross-cable,
• the specific point of the second lateral cable is different from the second lateral cable distal end of the second lateral cable,
• the second lateral cable is coupled to the second diverter via the receiver array cross-cable,
• the second source array cross-cable connection point is between a second lateral cable proximal end of the second lateral cable and the second diverter via the receiver array cross-cable, the second source array cross-cable connection point is closer to the second diverter than the second lateral cable proximal end, and
• wherein the first source cable is shorter than the source array cross-cable and the second source cable is shorter than the source array cross-cable.