Electromagnetic seismic vibrator architecture

US8995232B2 · kind B2 · utility

Assignee

• The Board of Regents of the University of Texas System · US

Inventors

• Raymond C. Zowarka · Austin, US
• Siddharth Pratap · Orange, US
• Jim L. Upshaw · Austin, US
• Michael Lewis · Redwood Estates, US

Key dates

• Filing date: Sep 16, 2011
• Grant date: Mar 31, 2015
• Expiry date: Feb 4, 2033

Classification

• Technology area (CPC G): Physics
• CPC primary: G01V1/155
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Aspects described herein relate to an electromagnetic seismic vibrator (EMSV) architecture that provide wide frequency range operation, ground force application with high fidelity, and low environmental impact. The EMSV architecture can include a base member that can support a force coil and mitigate electrical heating due, at least in part, to spurious currents. The EMSV architecture can include means for restricting movement of a reaction member included in the EMSV architecture relative to the base member. Such means can permit mitigation of damage of the EMSV architecture in scenarios in which control of the EMSV architecture may fail.