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Related Experiment Video

Updated: Feb 6, 2026

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Geophysics: a moving fluid pulse in a fault zone.

Matthew M Haney1, Roel Snieder, Jon Sheiman

  • 1Center for Wave Phenomena and Department of Geophysics, Colorado School of Mines, Golden, Colorado 80401, USA. mmhaney@sandia.gov

Nature
|September 2, 2005
PubMed
Summary

Fault zones in the Gulf of Mexico exhibit dynamic subsurface plumbing. Time-lapse seismic imaging reveals rapid fluid pulses within fault zones, suggesting intermittent

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Area of Science:

  • Geophysics
  • Subsurface fluid dynamics
  • Petroleum geology

Background:

  • Fault zones in the Gulf of Mexico are associated with complex subsurface plumbing systems.
  • Understanding fluid migration within these zones is crucial for hydrocarbon exploration.

Purpose of the Study:

  • To investigate the dynamics of fluid movement within subsurface fault zones.
  • To identify the mechanisms driving fluid ascent in the Earth's crust.

Main Methods:

  • Utilizing time-lapse seismic-reflection imaging.
  • Analyzing seismic data to visualize fluid migration patterns.

Main Results:

  • Observed a rapid pulse of fluid ascending within a fault zone.
  • Identified intermittent fault 'burping' as a significant phenomenon.

Conclusions:

  • Intermittent fault 'burping' is a key process in subsurface hydrocarbon migration.
  • Seismic imaging provides valuable insights into active fault zone processes.