(redirected from petrophysical)
Also found in: Dictionary, Wikipedia.


Study of the physical properties of reservoir rocks.



(Russian, petrofizika), science of the geologic cycle dealing with the relationship between the physical properties of rocks and the rocks’ mineral composition, structure, and history of formation. Petrophysics developed on the basis of geophysical research and is closely associated with solid-state physics, experimental petrography and mineralogy, engineering geology, tectonics, and the theory of minerals. The concept of petrophysics was introduced by the geophysicist F. Frölich of the German Democratic Republic in 1953. Petrophysics involves the study of the properties of rocks en masse through geological field methods, geophysical and cosmophysical research, and laboratory research methods (determination of physical parameters with subsequent petrographic study and mathematical analysis of the materials). The material obtained from field research is classified according to properties, and the results of the study of the rock properties are presented in the form of petrophysical maps and profiles—petrovelocity, petromagnetic, petrodensity, or other types of maps providing the petrophysical characteristics of individual regions are compiled for the parameters being determined. Study of the effect of the composition and structure of rocks on the physical properties has permitted the development of methods for calculating the elastic parameters of rocks as a function of mineral composition. Much attention is given to rock anisotropy, which is closely connected with the properties of rock-forming minerals and the texture of rocks. Petrophysics uses data on the physical properties of certain rocks to establish the specific thermodynamic conditions of the rocks’ formation, thus making possible physicomechanical modeling for the study of the properties of rocks under high pressure and temperature. Such modeling was begun in the 1950’s in the USA by O. Anderson, F. Birch, G. Simmons, and others. It is being carried on in the 1970’s in the USSR by G. D. Afanas’ev, M. P. Volarovich,

Iu. V. Riznichenko, S. I. Subbotin, and others, in Czechoslovakia by Z. Pros, V. Babuŝka, and V. Hanuŝ, in the German Democratic Republic by H. Stiller and H. Militzer, in Japan by S. Matsushima and others, in India by S. Balakrishna, and in Australia by R. Liebermann.

Petrophysics has gained particular importance in the 1960’s and 1970’s because of the need for studying the deep mantle of the earth’s crust in order to elucidate the sources of ore matter, the genesis of rocks, and seismic phenomena.


Kobranova, V. N. Fizicheskie svoistva gornykh porod. Moscow, 1962.
Fizicheskie svoistva gornykh porod i poleznykh iskopaemykh SSSR. Moscow, 1964.
Liubimova, E. A. Termika Zemli i Luny. Moscow, 1968.
Belikov, B. P., K. S. Aleksandrov, and T. V. Ryzhova. Uprugie svoistva porodoobrazuiushchikh mineralov i gornykh porod. Moscow, 1970.
Fiziko-mekhanicheskie svoistva gornykh porod i mineralov pri vysokikh davleniiakh i temperaturakh. Moscow, 1974.


Mentioned in ?
References in periodicals archive ?
Based on petrophysical analysis, Average porosity (FA) and Effective porosity for the Amb Formation (FE) increased towards northeast and decreased towards southwest.
Based on petrophysical measurements of a few hundred drill core samples from the Alutaguse domain, the density and magnetic susceptibility of the rocks range from 2540 to 2890 kg/[m.sup.3], and from 10 x [10.sup.-6] to 2010 x[10.sup.-6] SI, respectively (Puura et al.
This research involves the analysis of petrophysical properties using data from the available logs such as caliper, gamma ray, density, neutron, sonic, and resistivity logs, The available open hole logs data imported into the appropriate Interactive Petrophysics software (IP- Version 3.5) for analysis and interpretation.
The correlations between geomechanical and petrophysical properties were regarded as a function of porosity, and several numbers of numerical simulations were conducted to evaluate the effects of the heterogeneous caprock during CCS.
Figures 10 and 11 present the fractal analysis of carbonate petrophysical properties using [D.sub.f2m] and [D.sub.f2n], respectively.
The petrophysical properties of the samples are shown in Table.
Through the characterization of the advantageous reservoirs in the pay zone, it will help to understand the petrophysical parameters of the reservoirs and determine the difficulty degree of development and oil-recovery mode selection, thereby providing reliable scientific basis and technical assurance for high-efficiency development of Liujianfang oilfield, while reducing development risks and improving economic benefit.
The PETGAS III (Petrophysics of Tight Gas Sandstones) project sees the continuation of the successful work being conducted by University of Leeds in examining the petrophysical properties of tight gas sandstones.
Ahmed bin Nasser al-Hadhrami who won a special award from the London Petrophysical Society for his academic ability.
In this paper, the petrophysical properties of Eocene Age rocks of Meyal Field, Potwar Basin in Pakistan were evaluated with a view to understand their effects on the reservoirs and hydrocarbon production.
The editor has organized the contributions that make up the main body of the text in eighteen chapters devoted to pore geometry in gas shale reservoirs, petrophysical evaluation of gas shale reservoirs, sequence stratigraphy of unconventional resource shales, and a wide variety of other related subjects.