🛠️ Invention or technique

Reflection seismology for oil exploration

Prospección sísmica de reflexión para petróleo

Date
1921 · confidence high
Place
Vines Branch, Oklahoma, United States
Credited to
J. Clarence Karcher and the Geological Engineering Company team
Field
Matter & energy

What it is

In 1921 Karcher recorded seismic waves reflected from subsurface layers, set off by dynamite, to map structures that might hold oil. It turned oil exploration into a science of imaging the subsurface.

The first commercial discovery by seismic reflection was the Maud field (Oklahoma, 1924); the location of the 1921 trials is approximate.

What it led to

  • discovery of oil fields beneath structural traps
  • the geophysical services industry for oil
  • 3D and 4D seismic
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Sources✓ verified 2026-11-04