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A Hybrid Borehole Seismic Method for 3D Delineating Salt Cavern

IP.com Disclosure Number: IPCOM000126903D
Publication Date: 2005-Aug-09
Document File: 15 page(s) / 5M

Publishing Venue

The IP.com Prior Art Database

Related People

Yingping Li: INVENTOR

Abstract

A hybrid borehole seismic method, which combines a modified salt proximity survey and a traveltime tomography approach, was first developed to delineate slat cavern shape and characterize the salt-sediment boundary. Although the salt proximity and traveltime tomography are well-known borehole seismic methods, we first proposed to use them together to image salt cavern and salt-sediment interface. The key technology developed for a cavern proximity survey in the brine filled cavern is the hydrophone array technique for determining the directions of seismic/acoustic wave propagation. Numerical examples of the cavern proximity and traveltime tomography indicate the hybrid method is very powerful to delineate the salt cavern shape and the interface between a salt dome and the sedimentary rocks flanking the dome.

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