Patent · US Active

Apparatus and method for generating a seismic source signal

US7987943B2 · kind B2 · utility

3Cited by
26References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 23, 2009
Grant dateAug 2, 2011
Priority date—
Expiry dateNov 23, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01V1/133
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A seismic source signal generator includes a mass, a primary accumulator and a secondary accumulator, the secondary accumulator having an internal volume smaller than an internal volume of the primary accumulator. A method for generating a signal using a seismic vibrator includes operating the seismic vibrator using hydraulic fluid, damping hydraulic pressure deviations in the hydraulic fluid using a first accumulator in hydraulic communication with the hydraulic fluid, and damping pressure deviations in the hydraulic fluid using a second accumulator in hydraulic communication with the hydraulic fluid, the second accumulator having an internal volume smaller than an internal volume of the first accumulator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.