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• 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
• 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

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• Difficult lithologies
  #REDIRECT [[Log analysis: lithology]]
  37 bytes (4 words) - 17:02, 19 December 2014
• Seal failure prediction
  ...usive seal leakage]]). The most likely mechanism is controlled by the seal lithology and the geological history. ...tinuity, and charge|Fault leakage]] is a function of fault-fill lithology, lithology of surrounding rocks, and timing. Note these characteristics to evaluate fa
  4 KB (571 words) - 18:06, 1 February 2022
• Mudlogging: the mudlog
  ===Track 2: cuttings lithology=== Track 2 identifies and records the lithology of the cuttings material that arrives at the surface as drilling takes plac
  5 KB (752 words) - 15:39, 24 January 2022
• Lithofacies analysis
  ...uttings analysis|cuttings]] from sequences of interest. Besides describing lithology, [[grain size]], and [[sedimentary structures]], also describe [[Pore syste # Calibrate core and cuttings descriptions to [[Quick-look lithology from logs|well logs]] and outcrops. Annotate logs with [[porosity]] and [[p
  2 KB (317 words) - 18:52, 4 February 2022
• Fractured membrane seal leakage
  ...ick seals are less likely to fail by fracturing than thin seals of similar lithology at the same level of deformation because deformation is less likely to form
  3 KB (478 words) - 17:09, 1 February 2022
• Geothermal gradient
  ...grees Fahrenheit per 100 feet. Gradients are sensitive to basal heat flow, lithology, circulating groundwater, and the cooling effect of drilling fluids. Worldw
  901 bytes (127 words) - 19:53, 25 June 2015
• Density-neutron log porosity
  ...nation than using either tool or sonic separately because inferences about lithology and fluid content can be made. ...ctron (P_e) [[cross section]] curve, an independent indicator of lithology.
  12 KB (1,763 words) - 16:18, 5 April 2022
• Migration pathway map construction
  ...tential [[Cross-leaking faults#Juxtaposed lithology leak points|juxtaposed lithology leak points (JLLPs)]]
  3 KB (405 words) - 18:19, 29 March 2022
• Trap leakage
  ...aling lithology. Escape of petroleum up a [[fault]] which cuts the sealing lithology is also leakage. Leakage along faults can occur by the same mechanisms whic
  3 KB (445 words) - 16:58, 1 February 2022
• Stratigraphic trap
  ...all data types, including [[Seismic interpretation|seismic]], [[Quick-look lithology from logs|well log]], [[Petroleum reservoir fluid properties|fluid characte
  1 KB (176 words) - 12:51, 3 July 2014
• Cross-leaking fault
  * Juxtaposed lithology leak points (JLLP) ==Juxtaposed lithology leak points==
  8 KB (1,155 words) - 21:31, 24 March 2022
• Mapping unconformities
  # Map subcrop and supercrop lithology and formations. ..._fig21-36.png|300px|thumb|{{figure number|2}}Subcrop isopach and formation/lithology maps and a cross section whose location is shown on the isopach map.<ref na
  7 KB (977 words) - 20:39, 4 February 2022
• Rate of penetration
  ===Lithology=== ...es or carbonates, and as a result, ROP logs tend to reflect indirectly the lithology of the formation.
  7 KB (1,049 words) - 19:02, 20 January 2022
• Well log analysis for reservoir characterization
  | Gamma Ray (GR) || Lithology interpretation, shale volume calculation, calculate clay volume, permeabili | Spontaneous Potential (SP) || Lithology interpretation, Rw and Rwe calculation, detect permeable zone, etc.
  25 KB (3,679 words) - 21:17, 13 March 2019
• Rock physics analysis for reservoir identification
  ...mmonly carried out to discriminate between the reservoir and non-reservoir lithology, predict the reservoir’s expected seismic response, and to observe the re ...t a depth of 3,000-3,100 ft TVDSS in fluvial depositional environment. The lithology encountered in this interval comprised of two gas-charged sandstone bodies
  15 KB (2,356 words) - 18:00, 26 April 2022
• Mudlogging: equipment, services, and personnel
  ...ent''—This equipment is used for catching, sieving, preparing, and testing lithology, mineralogy, and oil content in cuttings (Figures 3 and 4). ...gs analysis (including lithology breakdown and observed versus interpreted lithology) (see [[Mudlogging: drill cuttings analysis]])
  8 KB (1,031 words) - 15:27, 24 January 2022
• Amplitude (seismic)
  ...as strong amplitude with red color amplitude. The change polarity of other lithology to top carbonate commonly from low to high IA, if red reflector is negative
  8 KB (1,291 words) - 15:49, 18 January 2017
• Formation evaluation of naturally fractured reservoirs
  ...er features such as a rough borehole, shales, and changes in [[porosity]], lithology, and tool centralization might produce amplitude drops that have nothing to ...ool is run through an unfractured section of reasonably constant porosity, lithology, borehole rugosity, and tool centralization , the shades of dark and light
  9 KB (1,380 words) - 17:25, 18 January 2022
• Geologic mapping (UB)
  [[File:1.jpg|400px|thumbnail|{{figure number|1|}}Lithology of Outcrop and Field Structure Sketch.<ref name=Zakaria>Zakaria, Zulfiadi. #*# Restrict the lithology in accordance with the lithology contacts on the strike and dip map.
  10 KB (1,547 words) - 14:07, 19 March 2019
• Cased hole tools
  ...alinity are known. The porosity devices are used to estimate porosity when lithology is known. Table 1 lists the types of devices used for these purposes, and T ...the compensated neutron to be used in cased hole to estimate porosity when lithology is known. However, the presence of gas in the formation will cause the comp
  10 KB (1,427 words) - 16:26, 18 January 2022

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