This paper focuses on Shell's practice for deepwater US Gulf of Mexico integrated geoscience studies with explanations and examples on how to apply and use the methodology. The applicability of high-resolution geophysical data in deepwater depends on:

  1. the usefulness and applicability of 3-D exploration-level seismic data for geohazard studies through the use of renderings and other 3-D workstation related products,

  2. a review of side scan sonar and subbottom profiler methods and their appropriateness.

Discussed also is the usefulness of multifold data and why 3-D high-resolution acquisition may be a necessary requirement for the future. In addition, present deepwater geotechnical investigation practices are discussed.

Examples of integrated geoscience studies are used to illustrate their use in the design of deepwater foundations.

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