Near‐surface utility of vibroseis

Miller, Richard D.; Xia, Jianghai; Rice, Daniel C.; Walters, Shelby L.; Rademacker, Theresa R.

doi:10.1190/1.3255096

Cited by 2 publications

(1 citation statement)

References 13 publications

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“…‘Small’ vibrators are often considered to be those between 11,000 lbf (49 kN) and 26,000 lbf (116 kN) (Miller et al . ; Wei ) while the term ‘mini‐vibrators’ has been applied to those with an output force of 6,000 lbf (27 kN) (Bates, Phillips and Hockstra ). Those with the smallest output force are commonly referred to as ‘portable vibrators’ as they do not require vehicle mounting.…”

Section: Introductionmentioning

confidence: 99%

The construction of a simple portable electromagnetic vibrator from commercially available components

Dean

Nguyễn

Kepic

et al. 2018

Geophysical Prospecting

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Since its introduction in the late 1950s, hydraulic vibrators have become the dominant source for land seismic surveys. The hydraulic vibrators typically used for commercial land seismic acquisition, however, are large, costly to operate and expensive to purchase. This inhibits their use for small‐scale and short‐duration surveys as well as Vibroseis research. In this paper we describe, in detail, the construction of a portable vibrator from commercially available components for a cost of less than $US2,000. Data shows that the vibrator is able to successfully transmit sweeps from 15 to 180 Hz with different spectral contents. The vibrator produces a stronger signal than a sledgehammer and we estimate its output to be around 1 kN. The frequency content of the data was concentrated at lower frequencies (<100 Hz) and the ground‐roll was far more energetic than that produced using a sledgehammer.

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Section: Introductionmentioning

confidence: 99%