Dictionary:Pennebaker plot

From SEG Wiki
Revision as of 17:58, 6 March 2018 by F023757 (talk | contribs) (Marked this version for translation)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
Other languages:
English • ‎español

(pen’ ē bā, k∂r) A plot of logΔt versus logz, where Δt is interval transit time and z is depth. Normal compaction is indicated by a straight line with a slope –1/4; deflection of the graph to greater Δt indicate overpressure (q.v.). See Pennebaker (1968).