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• Pore systems
  ...(pore-lining) coarse sandstone || Connected vugs or vugs in a crystalline matrix || Fracture width >50µ || Poorly connected vugs or [[oomold]]s in a fine to medium crystalline matrix || Fracture width 5-50µ
  3 KB (442 words) - 13:52, 4 April 2022
• Fractured membrane seal leakage
  ...ined rocks, so it is easier for petroleum to invade the fractures than the matrix porosity. In fact, many fractured rocks with open fractures have apertures ...ry-pressure tests]] because seal failure is through the fractures, not the matrix pore network.
  3 KB (478 words) - 17:09, 1 February 2022
• Archie equation
  ...bedded (i.e., below limits of logging tool resolution), have clay in their matrix, or have moldic, vuggy, or [[fracture]] porosity require adjustments. The t * 1.8 (or less) for rocks with clayey matrix or [[fracture]]s
  5 KB (703 words) - 13:52, 5 April 2022
• Intact membrane seal leakage
  ...um fluid pressure) is less than the capillary displacement pressure of the matrix [[porosity]] of the seal. Under these conditions, the relative [[permeabili ...ring]] occurs, oil can leak through the [[fracture]]s without invading the matrix porosity.
  3 KB (475 words) - 17:08, 1 February 2022
• Pressure prediction: analysis of cuttings
  Abnormal fluid pressure causes abnormal pressure within the rock matrix; this directly affects compaction. Fluid carries some of the overburden str ...arizes the relationships of fluid pressure, intergranular stress, and rock matrix appearance.
  5 KB (818 words) - 17:56, 17 February 2022
• Density-neutron log porosity
  Formation bulk density is a function of matrix density, porosity, and fluids contained in the pore space. Formation bulk d * ρ_ma = matrix density (see table below)
  12 KB (1,763 words) - 16:18, 5 April 2022
• Pore system shapes
  | Negative image of particles making up matrix | Relates only indirectly to particles making up matrix
  4 KB (528 words) - 13:53, 4 April 2022
• Kerogen type and quality: visual assessment
  To assess [[kerogen]] quality visually, we can separate it from the mineral matrix through acidification. We can then examine the kerogen using transmitted li
  2 KB (300 words) - 18:17, 9 February 2022
• Types of diagenetic traps
  * [[Secondary porosity]] created by cement and/or matrix dissolution
  2 KB (294 words) - 21:01, 4 February 2022
• Austin Chalk, Tokio, and Eutaw Formations, U.S. Onshore Gulf Coast (USGS)
  ...within the chalk were the primary targets and petroleum stored in the rock matrix was initially ignored due to the low permeability of the chalk. Continued i
  6 KB (846 words) - 20:58, 6 April 2021
• Carbonate sedimentary rocks classification
  * Microcrystalline lime mud: matrix component of the rock < 4 μm in size. Based on the relative proportions of matrix and pore-filling components surrounding the framework component, Folk defin
  16 KB (1,986 words) - 14:09, 19 December 2023
• Sandstone
  percentages of subangular to angular grains, contain more than 15 percents of matrix and poorly-well sorted of grain sorting. Its mean that commonly texture are ...-pepper to uniform medium and gray. Lithic arenites tend to have amount of matrix, of course it can be called lithic wackes which has poorly to very poorly s
  10 KB (1,508 words) - 15:44, 22 March 2019
• Multivariate data analysis
  ...d P is the number of attributes or variables. For example, a (5 &times; 3) matrix might represent five core samples at different depths on which frequencies ...g the logarithm) prior to establishing the correlation matrix. Because the matrix is symmetrical, there are P(P - 1)/2 potentially different correlation valu
  16 KB (2,349 words) - 15:46, 19 January 2022
• Coal bed methane (UDip)
  ...orosity reservoir”, one characterized by a complex interaction of the coal matrix and cleat system coupled through the desorption process. The mechanism for # diffusion of the gas through the micropores of the coal matrix, and
  10 KB (1,576 words) - 14:42, 2 April 2019
• Overpressure causes
  ...nt of compaction. In such cases, the fluid is overpressured and the rock [[matrix]] is undercompacted.
  3 KB (394 words) - 16:23, 16 February 2022
• Relationship between porosity and permeability on fractured basement reservoir
  # Fracture matrix ...porosity system types. Porous of matrix from a formation that has fracture matrix, usually disconnected each other, so that fluids exchange system extremelly
  29 KB (4,601 words) - 16:09, 12 April 2016
• Stimulation
  ...e, formation damage, requires a damage removal technique, which is usually matrix acidizing but may occasionally involve hydraulic fracturing. Solvent or sur ...ation at a rate faster than the formation can accept the fluid through its matrix permeability. For example, [[:file:stimulation_fig4.png|Figure 4]] illustra
  24 KB (3,633 words) - 13:55, 24 January 2022
• Maturation
  ...[[paleolatitude]], pressure, [[Wikipedia:Fluid dynamics|fluid flow]], rock matrix chemistry, and [[Petroleum reservoir fluid properties|pore fluid chemistry]
  3 KB (421 words) - 18:26, 9 February 2022
• Austin Chalk, onshore U.S. Gulf Coast
  ...sting “noisy chalk” (fractured chalk) due to the porosity contained in the matrix (over 8%) that may have allowed charging under over-pressured settings. In ...ig. 4); Loucks et al. (2021) performed a regional study characterizing the matrix of Austin Chalk; Zheng et al. (2021) defined the benthic oxygenation histor
  8 KB (1,200 words) - 21:22, 3 March 2022
• Fractured reservoir evaluation
  ...itannica.com/EBchecked/topic/369508/matrix matrix] interaction can isolate matrix hydrocarbons ...ontrolled to not pull water preferentially along fractures and not through matrix
  26 KB (3,674 words) - 21:21, 19 January 2022

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