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• Seismic facies analysis
  ...most useful for calibration with lithofacies interpreted from [[Quick-look lithology from logs|well logs]], [[Core description|cores]], and [[Mudlogging: drill # Estimate lithology using depositional setting interpretation from step 6 and all available dat
  6 KB (809 words) - 17:46, 4 February 2022
• Predicting preservation and destruction of accumulations
  | Trapping geometry changes so petroleum spills below the sealing lithology. | Lack of integrity of sealing lithology allows petroleum to leak through the seal.
  5 KB (782 words) - 22:36, 31 January 2022
• Open hole tools
  ...uration. The ''lithology and porosity'' devices are used to determine both lithology and porosity. A variety of ''auxiliary'' tools are used to make special log | rowspan = 3 | Correlation and lithology || Spontaneous potential
  23 KB (3,350 words) - 17:26, 18 January 2022
• Fault seal analysis for reservoir development
  ...eservoir lithology of one fault block is juxtaposed with the non-reservoir lithology of the opposite fault block. ...The trap and spill point can then be determined from the alignment of the lithology units.]]
  14 KB (2,146 words) - 19:35, 13 September 2022
• Mudlogging: drill cuttings analysis
  ...supportive information for subsequent [[show evaluation]], correlation of lithology to wireline logs, and other special geological, geophysical, or engineering ...results in (1) a high percentage of cavings that can mask the true drilled lithology, (2) loss of soluble minerals such as [[gypsum]] and salt and some shales,
  10 KB (1,482 words) - 15:25, 24 January 2022
• Standard interpretation
  ...ty and lithology. (Determination of lithology is discussed in [[Quick-look lithology from logs]].) ...fl</sub> at the depth of interest. The matrix density is determined by the lithology. Normally, sandstone is 2.65 g/cm³, [[limestone]] is 2.71 g/cm<s
  25 KB (3,776 words) - 19:53, 18 January 2022
• Quick-look lithology from logs
  | chapter = Quick-look lithology from logs ! Lithology || Gamma Ray Values (in API units)
  25 KB (3,637 words) - 19:39, 18 January 2022
• Core description
  ===Lithology=== ...val, lithologies should be logged by estimating the percent volume of each lithology and noting the terrigenous clastic lithologies to the left of the chemical
  13 KB (1,786 words) - 20:50, 19 January 2022
• Shale gouge ratio
  ...e fault gouge zone. The gouge ratio reflects the proportion of the sealing lithology in the rock interval that has slipped past a given point on the fault. (a)
  3 KB (473 words) - 20:04, 11 March 2015
• Postaccumulation cementation
  ...reservoir rock may approach that of moderate-quality seals. As a result, a lithology that could seal an accumulation at shallow depth may no longer be effective
  3 KB (430 words) - 15:35, 1 February 2022
• Seismic interpretation
  ...pulse. This information can often be used to support conclusions about the lithology and fluid content of the seismic reflector being evaluated. ...t determining changes in pore fluid, [[porosity]], [[fracture]] intensity, lithology, and so on from [[seismic data]]. Direct hydrocarbon indicators (DHI, HCIs,
  10 KB (1,520 words) - 18:48, 21 January 2022
• Paleogeography and prospect identification
  ...l facies such as [[Fossil assemblage|biofacies]], net reservoir thickness (lithology or [[porosity]]), and [[Seismic facies mapping|seismic facies]] (i.e., [[cl
  4 KB (491 words) - 14:27, 21 March 2022
• Flow units and containers
  ...igure number|3}}Flow unit definition using water saturation, log analysis, lithology, and mean pore throat size (pore size). &copy; Hartmann and Coalson.<ref na ...ado illustrates flow unit definition using water saturation, log analysis, lithology, and mean pore throat size (pore size).
  9 KB (1,231 words) - 18:42, 1 April 2022
• Fault control on hydrocarbon distribution
  Compartment D is commonly empty because a series of juxtaposed lithology leak points (JLLP) along the western portion of Fault A allows hydrocarbons
  4 KB (515 words) - 21:31, 29 March 2022
• Depositional trap regime
  ...tion or lithology. Where described, trap styles can be listed based on the lithology or composition of the sealing rocks. The outline below shows the classes an
  10 KB (1,231 words) - 20:28, 4 January 2024
• Percent fill: controlling factors
  ...(SSP). A [[cross-leaking fault]] limits the percent fill to the juxtaposed lithology leak point (JLLP). A [[dip]]-leaking fault limits the percent fill to the f
  3 KB (471 words) - 21:50, 28 March 2022
• Seal ductility
  | Lithology || Grain mineralogy and cement type control ductility. Brittle seals includ
  4 KB (510 words) - 15:22, 30 March 2022
• Seismic data: analyzing individual reflectors
  ...itude. Analysis within specific reflectors can give us clues to changes in lithology or [[porosity]].
  4 KB (481 words) - 18:20, 4 February 2022
• Geologic mapping (UGM)
  ...formation of the outer layer of earth [[crust]]; they are a variation of [[lithology]], distribution of geologic structure, [[stratigraphy]] and geomorphology. ...elatively homogeneous. While systematic mapping is used when variations of lithology are very complex so observation of some point isn’t enough to represent a
  29 KB (4,733 words) - 15:34, 15 January 2024
• Paleontology
  ...ts|depositional environment]], [http://www.thefreedictionary.com/lithology lithology], and [[Diagenesis|diagenetic events]]. Knowledge of these factors influenc ===Lithology===
  17 KB (2,331 words) - 20:11, 10 August 2016
• Main Central Thrust
  ...s have defined the Main Central Thrust by different criteria, including by lithology different between the hanging wall and the footwall, by metamorphic grade c # the lithology and stratigraphy have not been completely investigated and understood<br />
  10 KB (1,434 words) - 15:39, 20 January 2016
• Overview of routine core analysis
  ...e known as sidewall cores. These samples can provide useful details of the lithology, petrology, porosity, [[permeability]], and hydrocarbon content of the form ...amples. The choice of technique depends on the type of core recovered, its lithology, and the nature of the pore system. Core analysis can be divided into sever
  14 KB (2,121 words) - 21:16, 19 January 2022
• Full waveform acoustic logging
  ...des. P and S wave traveltimes and amplitudes provide information about the lithology and the fluid content of the formation. Stoneley wave velocity and amplitud ...ring applications. P wave to S wave velocity ratio is a good indicator for lithology, and borehole S wave velocity information is necessary for tie-in with shea
  10 KB (1,530 words) - 20:47, 19 January 2022
• Tool table
  * [[Quick-look lithology from logs]]
  5 KB (544 words) - 16:27, 18 January 2022
• Fault seal-conduit studies
  ...d [http://uts.cc.utexas.edu/~rmr/E-rock/gougezone.html gouge] composition, lithology juxtapositions along faults, [[hydrocarbon]] type, and [[reservoir]] pressu
  5 KB (638 words) - 14:17, 2 February 2022
• Influence of mechanical stratigraphy on deformation styles
  ...t that mechanical stratigraphy is related to lithology, the description of lithology itself does not always reveal the rock mechanical properties (Fig.1). ...profile from Monterey formation show different deformation styles based on lithology variations. Joint patterns appear in brittle formations, while small faults
  23 KB (3,162 words) - 17:28, 5 December 2023
• Hydrocarbon accumulation: the seven critical elements
  * Lithology of potential seals
  5 KB (636 words) - 21:47, 1 February 2022
• Reservoir quality
  ...seismic reflection amplitudes to estimates of acoustic impedance. Because lithology, porosity, and fluid saturations affect the acoustic impedance of a rock, a ...ied into three different groups based on the information they provide: (1) lithology indicators—[[Basic open hole tools#Gamma ray|gamma ray]], [[Basic open ho
  18 KB (2,514 words) - 17:47, 21 January 2022
• Show evaluation
  ...ogs are the most useful wellsite evaluation tool due to the integration of lithology, [[rate of penetration]] (ROP), gas recordings, and oil description (see [[ ...ckground gas || Gas that reflects the geological character of a consistent lithology. Background gas readings incorporate gas contributions due to the formation
  18 KB (2,670 words) - 18:21, 21 January 2022
• Charge volume
  ^{* A function of lithology, depth, degree of fracturing, and/or faulting}
  6 KB (834 words) - 20:41, 14 February 2022
• Seismic data interpretation - recurring themes
  To be fair, seismic impulses respond to much more than just lithology. Any vertical variation in rock property that modifies the velocity or dens
  5 KB (739 words) - 18:51, 27 January 2022
• Techniques for enhancing seismic facies analysis
  ...play types. Changes in amplitude along a reflector may indicate changes in lithology, [[porosity]], or fluid saturation. For additional details, see Brown.<ref
  5 KB (720 words) - 18:51, 4 February 2022
• Fault plane profile construction
  ...[[Cross-leaking_faults#Juxtaposed_lithology_leak_points|JLLPs (juxtaposed lithology leak points)]]. Hydrocarbons cross-leak from the footwall sands into the ha
  6 KB (834 words) - 14:51, 29 March 2022
• Log analysis: lithology
  ...This article reviews some common techniques that can be used to solve for lithology and porosity. It also addresses some commonly encountered lithologies and t ...eliminate variance due to porosity, resulting in a variance mainly due to lithology.
  25 KB (3,189 words) - 17:24, 18 January 2022
• Amplitude versus offset (AVO) analysis
  ...,<ref name=pt07r19>Hilterman, F. J., 1990, Is AVO the seismic signature of lithology? A case history of Ship Shoal-South Addition: Geophysics—The Leading Edge # The [[lithology]], [[porosity]], and fluid content of a given layer
  12 KB (1,723 words) - 18:41, 20 January 2022
• Seismic data
  ...tion with conventional compressional wave data, can provide information on lithology, [[fracture]]s, and the presence of hydrocarbons.
  5 KB (712 words) - 21:27, 2 February 2022
• China Shale Gas & Liquids - Songliao and Junggar Basins
  6 KB (850 words) - 17:56, 20 December 2023
• Magnetic field: local variations
  ...the top of basement, is the cause of the anomaly. It also assumes uniform lithology and uniform magnetic susceptibility of basement across a fault. Given this
  6 KB (946 words) - 19:56, 27 January 2022
• Lithofacies and environmental analysis of clastic depositional systems
  | [[Mineralogy]], lithology | Lithology, [[Quick-look lithology from logs#Log shapes|curve shape]] analysis
  38 KB (5,198 words) - 22:11, 15 January 2024
• Fractured reservoir evaluation
  | Reservoir performance is controlled by sedimentary facies, lithology and/or geometry || Determine sedimentary characteristics and origin of faci ...fractures || Evaluate the relationship between [[fracture]] occurrence and lithology<ref name=pt06r100>Pitman, J. K., and E. S. Sprunt, 1986, [http://archives.d
  26 KB (3,674 words) - 21:21, 19 January 2022
• Cross-borehole tomography
  ...velocity field across the reservoir may be due to the combined effects of lithology, pore fluids, and the physical state of the reservoir. Often geological str ...city field correlations and the log to tomography correlations documenting lithology, porosity, fluid saturation, and temperature. The resulting log and tomogra
  14 KB (2,060 words) - 20:51, 19 January 2022
• Karst topography
  ...n, this condition is caused of karst composed of soluble lithology and the lithology has good condition in secondary porosity.
  13 KB (2,016 words) - 19:56, 5 April 2019
• Fracture threshold in the real world
  ....org/wiki/Poisson%27s_ratio%20Poisson's%20ratio Poisson's ratio] depend on lithology and bed geometry as well as depth and compaction.<ref name=ch10r52 />
  6 KB (930 words) - 15:49, 30 March 2022
• Procedure for geometrical analysis
  * Changes in lithology as seen in cores that indicate subaerial exposure or nondeposition, as evid
  6 KB (862 words) - 15:20, 4 February 2022
• Well planning
  * Lithology
  6 KB (779 words) - 15:09, 24 January 2022
• Contourites
  The lithology of these deposits does not differ much with respect to pelagic sediments an Some reliable criteria for recognizing this, both in seismic profiles and lithology, need to be identified to predict their occurrence. Our findings could be a
  13 KB (1,889 words) - 19:11, 6 April 2016
• Core handling
  ...st from the catcher at the bottom. Compare the [[rate of penetration]] and lithology of the core. Shale sections will often break up when entering the catcher a
  7 KB (1,083 words) - 20:50, 19 January 2022
• Dipmeter
  ...daries in the general vicinity of the borehole. However, a sharp change in lithology, such as from a shale to a sandstone, is the signature of a catastrophic ev * [[Quick-look lithology from logs]]
  14 KB (2,128 words) - 17:25, 18 January 2022
• Fluid contacts
  ...g from hydrodynamic conditions. (c) Contact elevation is constant for each lithology type, but pool contact is irregular due to reservoir heterogeneity. (d) Irr ...ections in pressure versus depth curve || rowspan = 3 | Little affected by lithology or [[Production problems#Water-gas coning|coning]]
  19 KB (2,690 words) - 21:20, 19 January 2022
• Basin modeling: identifying and quantifying significant uncertainties
  * [[Stratigraphy]]/[[lithology]] * Lithology, and rock properties
  38 KB (5,890 words) - 15:16, 23 August 2016

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