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- :<math> \Phi \text{d} = \frac{\rho matrix - \rho log}{\rho matrix - \rho fluid}</math> where ρmatrix is the matrix density (the value depends on the lithology, see table 2 for the value refe25 KB (3,679 words) - 21:17, 13 March 2019
- ...sub>), and the fluid density (ρ<sub>fl</sub> at the depth of interest. The matrix density is determined by the lithology. Normally, sandstone is 2.65 g/cm<su ...or effective porosity through the selection of appropriate matrix density. Matrix density can be accurately determined from core measurements. Linear volumet25 KB (3,776 words) - 19:53, 18 January 2022
- ...en drilled off crest and away from hinges to obtain an early assessment of matrix [[porosity]] in the reservoir.4 KB (545 words) - 18:52, 3 February 2022
- ....com/data/bulletns/1980-81/data/pg/0064/0001/0050/0059.htm Role of mineral matrix in kerogen pyrolysis: Influence on petroleum generation and migration]: Ame ...um carbonate > [[gypsum]].<ref name=Esptl1980 /> Variations in the mineral matrix effect related to organic richness occur in whole-rock samples with TOC val17 KB (2,363 words) - 17:40, 9 February 2022
- ...p://www.britannica.com/EBchecked/topic/369508/matrix matrix] or grains. As matrix, detrital clays can obliterate permeability. Detrital grains of clay are of9 KB (1,118 words) - 17:03, 6 April 2022
- ...osed of crystallites of calcium phosphate (apatite) embedded in an organic matrix. There is one type of stratigraphically significant phosphatic microfossils4 KB (496 words) - 18:08, 24 January 2022
- ...al entry pressure([[Intact membrane seal leakage]]), open fractures bypass matrix [[pore systems]] ([[Fractured membrane seal leakage]]), [[Natural hydraulic4 KB (571 words) - 18:06, 1 February 2022
- ...lot uses the apparent volumetric [[cross section]] (UMAA) and the apparent matrix grain density (RHOMAA) to identify minerals. UMAA represents the projection ...ssplot (see [[Standard interpretation]]). Using this porosity, an apparent matrix density is determined from the following equation:25 KB (3,189 words) - 17:24, 18 January 2022
- ...total porosity while [[Basic open hole tools#Sonic|sonic logs]] read only matrix porosity. The difference is taken as secondary porosity, which might includ ...ry close to 1.0. This is much smaller than the cementation exponent of the matrix (''m''<sub>b</sub>). The cementation exponent of the composite system (''m'9 KB (1,380 words) - 17:25, 18 January 2022
- ...of Structural Geology 13 (1): 21–35.</ref> This effort is achieved through matrix multiplication.<ref name=RamsayHuber1>Ramsay, John; Huber, Martin (1983). T ...ition of pure and simple shear components produce differing geometries, as matrix multiplication is non-communicative. Adaptation and modifications from Rams13 KB (1,732 words) - 22:01, 23 January 2019
- ==Preparing matrix properties== ...es describe reservoir characteristics specified at each point of the grid (matrix) overlying the reservoir model ([[:file:conducting-a-reservoir-simulation-s19 KB (2,711 words) - 17:48, 21 January 2022
- The mineralogy and volumes of framework grains, cement, and matrix are essential for reconstructing the [[Diagenesis|diagenetic]] history of a ===Matrix===24 KB (3,264 words) - 15:09, 24 January 2022
- ...which is a [[microporous]] solid with large internal surface areas in the matrix pore structure that can adsorb very large amounts of gas. Lesser amounts ca5 KB (691 words) - 21:13, 19 November 2015
- ...framework grains, and arenites, wackes, and mudrocks based on the type of matrix present in between the framework grains. Arenites are the best known petrol ...posed mainly of sand-sized minerals or rock grains of about 0.05mm to 2cm, matrix, cement and pore space ([[:File:Sandstone-Fig-2.png|Figure 2]]).27 KB (3,802 words) - 19:32, 9 January 2024
- ...osited during condensed sedimentation of each cycle. [[Migration]] through matrix [[porosity]] of these effective top-seal mudstones is highly unlikely. Thus ...interpreted to occur through [[fracture]]s and faults rather than through matrix porosity.10 KB (1,376 words) - 16:00, 23 March 2022
- ...n conversion. Burial history and catalytic effects, due to [[source rock]] matrix chemistry, affect the rate of generation, although these effects are second5 KB (651 words) - 16:11, 10 February 2022
- ...leum column heights that may exceed the capillary displacement pressure of matrix [[porosity]]. The effective [[permeability]] to petroleum is no longer zero5 KB (742 words) - 17:11, 1 February 2022
- ...during burial than poorly sorted sands. Poorly sorted sands have more clay matrix and nonquartz grains.5 KB (729 words) - 20:48, 5 April 2022
- * Relationship between petrophysical properties of fractures and matrix5 KB (644 words) - 15:30, 3 February 2022
- ...gan coalification process. When temperature and pressure of coal increase, matrix in coal decrease create micro pore that trap methane. The increase [[fractu5 KB (839 words) - 17:19, 28 March 2019