petrophysicsn.
/ˌpɛtrə(ʊ)ˈfɪzɪks/, U.S. /ˌpɛtroʊˈfɪzɪks/ Geology.
The study or measurement of the physical properties and behaviour of rocks, esp. by means of remote sensors sent down boreholes.
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petrophysics1950
1950 G. E. Archie in Bull. Amer. Assoc. Petroleum Geologists 34 942 ‘Petrophysics’ is suggested as the term pertaining to the physics of particular rock types, whereas geophysics pertains to the physics of larger rock systems composing the earth. The petrophysics of reservoir rocks is discussed here.
1959 Times 28 July 2/6 (advt.) They [sc. applicants] should also be fully conversant with modern petrophysics methods.
1993 M. J. Pink Explor. & Appraisal Technol. (Shell Selected Papers, Jan.) 6/3 Petrophysics—until about 1980—was limited to the analysis of borehole measurements and rock samples to determine the presence and fluid contents of reserves.
2003 Offshore (Nexis) July Paradigm has released Geolog 6.5 software for log management, correlation, and petrophysics.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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