Using Geophysics to Assess Geohazards Before Construction: Increase Your Odds for Success!

by Douglas Laymon, P.G., Geophysical Services Manager; Collier Consulting, Austin, TX,,

Serial Information: Geo-Strata —Geo Institute of ASCE, 2018, Vol. 22, Issue 1, Pg. 30-34

Document Type: Feature article

Abstract: Understanding subsurface conditions is the key to any successful construction project, including new construction, excavation, and drilling. The consideration and understanding of the subsurface geology and, in some cases, hydrogeology is paramount to minimizing risks prior to starting and completing a successful project. To use a medical analogy, smart patients needing surgery would hopefully decline services from a doctor who had neither researched their condition nor used key medical tools like x-rays or MRIs. Similarly, one would not drill an oil and gas well without collecting and analyzing seismic velocity profile data. It's important to consider the use of all available information and modern exploration and characterization tools such as geophysical methods to assess the geohazards and understand potential subsurface risks before construction.

Subject Headings: Subsurface environment | Wells (oil and gas) | Construction methods | Geohazards | Construction management | Project management | Drilling | Risk management


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