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  • Template:Phanerozoic 220px
    {{fossil range/bar|Cambrian|Є}} {{fossil range/bar|Ordovician|O}}
    1 KB (135 words) - 14:19, 5 November 2013
  • File:M31F5.jpg
    .... E. Soil zones alternating with ripple laminations in upper part of point-bar deposits. From Deltaic environments of deposition, 1981, Coleman, J. M., an
    (1,152 × 941 (941 KB)) - 19:33, 15 August 2014
  • File:M91FG178.JPG
    ...n the upper section of a point bar sandstone, Ebro basin, Spain. The point bar grew by accretion from left to right. From Shepherd, M., 2009, Meandering f
    (800 × 1,042 (186 KB)) - 21:26, 3 August 2015
  • File:M31F18.jpg
    ...layers common to the small overbank splays that cap the distributary-mouth bar deposits. Coleman, J. M., and D. B. Prior, 1981, Deltaic environments of de
    (1,349 × 994 (1.86 MB)) - 18:16, 18 August 2014
  • File:M31F19.jpg
    ...y-mouth bar sequence. This section represents the lower part of the distal bar deposit. Diameter of cores is 8 cm (3 in.). Coleman, J. M., and D. B. Prior
    (1,343 × 1,017 (615 KB)) - 18:17, 18 August 2014
  • File:M31F20.jpg
    ...sequence. This section represents the lower part of the distributary-mouth bar deposit. Diameter of cores is 8 cm (3 in.). Coleman, J. M., and D. B. Prior
    (1,158 × 1,014 (1.94 MB)) - 18:18, 18 August 2014
  • File:M31F21.jpg
    ...sequence. This section represents the upper part of the distributary-mouth bar deposits. Diameter of cores is 8 cm (3 in.). Coleman, J. M., and D. B. Prio
    (1,120 × 1,026 (1.69 MB)) - 18:19, 18 August 2014
  • File:M91FG179.JPG
    ...the Sweetwater field, which produces from a depositionally isolated point bar in the same meander belt system (from Werren et al., 1990). Reprinted with
    (800 × 984 (103 KB)) - 21:50, 3 August 2015
  • File:M31F10v2.jpg
    ...-sorted cross-stratified sands of the upper part of the distributary-mouth bar (bay fill sequence). I. Alternating silts and silty clays of the overbank s
    (1,334 × 1,000 (178 KB)) - 15:14, 18 August 2014
  • File:M91FG190.JPG
    ...ar in the Ivishak Formation, Prudhoe Bay field. Bay shales above the mouth bar act to prevent gas ingress from a gas cap immediately above (from Tye et al
    (800 × 1,047 (162 KB)) - 18:05, 20 August 2015
  • File:M31F4.jpg
    Summary diagram illustrating the major characteristics of meandering point-bar deposits. From Deltaic environments of deposition, 1981, Coleman, J. M., an
    (1,464 × 916 (326 KB)) - 19:19, 15 August 2014
  • File:CO2EmissionsComparison.JPG
    ...ction (CO2 avoided) of 80-90% compared to the reference power plant (upper bar) without capture. CCS = carbon capture and storage. From Kaldi, J. G., C. M
    (600 × 600 (75 KB)) - 16:14, 7 August 2014
  • File:M91FG108.JPG
    The barrier bar-shoreface interval of the Brent Group reservoir in the Thistle field, UK No
    (800 × 1,069 (99 KB)) - 21:26, 12 August 2015
  • File:M91Ch11FG70.JPG
    A point bar cut into the underlying Ivan limestone as picked out by varying seismic amp
    (600 × 353 (134 KB)) - 15:46, 27 April 2015
  • File:M31F17.jpg
    ...y diagram illustrating the major characteristics of the distributary-mouth bar deposits in the subaqueous delta plain. Coleman, J. M., and D. B. Prior, 19
    (1,519 × 957 (150 KB)) - 18:17, 18 August 2014
  • File:M91FG177.JPG
    Upward-decreasing permeability profile in a point bar sandstone in the Peoria field, Colorado (from Chapin and Mayer, 1991). Repr
    (800 × 765 (56 KB)) - 21:21, 3 August 2015
  • File:M109CH01Polychristalline.jpg
    ...s. In addition, crystal boundaries are diffuse. XPL, AFeS, KFS, BDI, Scale bar = 0.07 mm. From From AAPG Memoir 109—A Color Guide to the Petrography of
    (655 × 438 (71 KB)) - 20:07, 23 January 2019
  • File:M109CH01Monocrystalline.jpg
    ...t) around the upper part of the grain has far fewer inclusions. XPL, Scale bar = 0.26 mm. From From AAPG Memoir 109—A Color Guide to the Petrography of
    (656 × 439 (87 KB)) - 20:20, 23 January 2019
  • File:M91FG189.JPG
    ...tiary of the Apsheron Peninsula, Azerbaijan. A stacked succession of mouth-bar and channel sandstones is vertically sealed by delta-front siltstones. Inte
    (800 × 544 (102 KB)) - 16:57, 20 August 2015
  • File:H4CH12FG2.JPG
    ...es are outlined in red, and the escape paths are shown in green. The scale bar in the legend represents 12,500 m (41,010 ft). From Identifying and quantif
    (800 × 581 (246 KB)) - 20:11, 9 July 2015
  • Correlation and regression analysis
    ...\displaystyle \sum_i (x_{i}-\bar{x})^2 \times \displaystyle \sum_i (y_{i}-\bar{y})^2}}</math> * <math> \bar{x}, \bar{y}</math> = corresponding sample (arithmetic) means
    9 KB (1,366 words) - 16:37, 19 January 2022
  • Statistics overview
    | <math>\bar{k} = \displaystyle\frac{1}{H_{t}} \displaystyle\sum\limits_{i=1}^{N}k_{i}h_ | <math>\bar{k} = H_{t} \left(\displaystyle\sum\limits_{i=1}^{N}\displaystyle\frac{h_{i}
    16 KB (2,483 words) - 19:28, 19 January 2022
  • Temporal and environmental distribution of microfossils
    ...hows the paleoenvironments of various microfossil groups. The width of the bar represents the relative importance of each microfossil group.
    2 KB (294 words) - 18:11, 31 January 2022
  • Deltaic environments
    ...ty. Depositional features include [[distributary channel]]s, [[river-mouth bar]]s, [[interdistributary bay]]s, [[tidal flat]]s, [[tidal ridge]]s, [[beache ...Distributary-mouth-bar deposits]] (prodelta distal bar, distributary-mouth bar)
    9 KB (1,310 words) - 19:47, 12 January 2016
  • Waterflooding
    ...bility of various layers (''σ'') divided by the mean permeability (<math>(\bar{k})</math>), as given in the following equation: :<math>V_{\rm DP} = \sigma/\bar{k}</math>
    10 KB (1,468 words) - 18:23, 21 January 2022
  • Production testing
    ...ox{PI} = \frac{q}{\bar{p} - p_{\rm wf}} \mbox{ (for oil)} = \frac{q\mu B}{\bar{p}^{2} - p_{\rm wf}^{2}} \mbox{ (for gas)}</math> * <math>\bar{p}</math> = initial or current average reservoir pressure (psia)
    14 KB (2,165 words) - 18:42, 20 January 2022
  • Help:Tutorial
    ::<pre><nowiki><math>s^2 = \frac{\sum (X - \bar{x})^2}{n}</math></nowiki></pre> :::<math>s^2 = \frac{\sum (X - \bar{x})^2}{n}</math>
    8 KB (1,305 words) - 16:59, 27 May 2015
  • Depositional trap regime
    | colspan = 5 | ''Offshore bar'' ...ands into lagoonal or basinal shales and silts. || rowspan = 3 | ''Barrier bar'' || colspan = 4 | ''Pinch-out into lagoonal shale''
    10 KB (1,231 words) - 20:28, 4 January 2024
  • Influence of depositional environment on sandstone diagenesis
    ...ir source area.<ref name=Stonecipher&May1990 /> Wilcox basal fluvial point bar sands are the coarsest and contain the highest proportion of nondisaggregat * Chamosite characterizes distributary-mouth-bar sands rapidly deposited in the freshwater–marine water mixing zone
    8 KB (1,129 words) - 14:11, 6 April 2022
  • Quartz
    ...s. In addition, crystal boundaries are diffuse. XPL, AFeS, KFS, BDI, Scale bar = 0.07 mm.]] ...t) around the upper part of the grain has far fewer inclusions. XPL, Scale bar = 0.26 mm.]]
    8 KB (1,127 words) - 20:21, 23 January 2019
  • Trap classification levels
    ...ecause of the reservoir and seal facies relationships of a reef, an oolite bar, or a tidal channel?
    5 KB (665 words) - 18:47, 12 April 2022
  • Delta plain, lower
    ...-sorted cross-stratified sands of the upper part of the distributary-mouth bar (bay fill sequence). I. Alternating silts and silty clays of the overbank s ...ming the upper sand body. The upper unit is essentially distributary-mouth bar deposits associated with the prograding distributary. The lowermost part of
    27 KB (4,229 words) - 16:41, 6 April 2016
  • Meandering fluvial reservoirs
    [[file:M91Ch11FG70.JPG|thumb|300px|{{figure number|1}}A point bar cut into the underlying Ivan [[limestone]] as picked out by varying seismic ...fland, and K. Lemke, 1992, Seismic interpretation of meander channel point-bar deposits using realistic seismic modeling techniques: The Leading Edge, v.
    32 KB (4,727 words) - 21:03, 15 January 2024
  • Displacement pressure: theory vs. reality
    ...he top seal, the Birkhead Formation, consists of fluvial channel and point bar deposits as well as more shale-prone levee bank, crevasse splay, floodplain
    4 KB (587 words) - 13:36, 1 April 2022
  • Carbon dioxide (CO2) sequestration
    ...ub>2</sub> avoided) of 80-90% compared to the reference power plant (upper bar) without capture. CCS = carbon capture and storage.<ref name=Kaldietal_2009
    11 KB (1,644 words) - 21:07, 26 March 2015
  • Well completion
    ...tes, part of the jet charges fall to the bottom of the hole, and the metal bar is recovered. The semi-expendable gun costs slightly more that an expendabl ...in the hole and the wellhead installed. The gun can be fired by dropping a bar inside the tubing.
    19 KB (2,910 words) - 21:06, 18 January 2022
  • Deltaic reservoirs
    ...nnels building out into deep water will form more linear deposits known as bar fingers ([[:file:M91FG186.JPG|Figure 5]]).<ref name=Fisk_1961 /> ...ves.datapages.com/data/specpubs/sandsto1/data/a055/a055/0001/0000/0029.htm Bar-finger sands of the Mississippi delta], in J. A. Peterson and J. C. Osmond,
    34 KB (4,776 words) - 18:18, 5 January 2024
  • Delta plain, upper
    ...l sides of bars and eroded material is added to the downstream side of the bar. Because each channel has a different depth, lateral migration of the chann ...tional area, thereby reducing velocity and causing deposition on the point-bar side of the channel.
    33 KB (4,905 words) - 16:40, 6 April 2016
  • Mancos Shale Play in New Mexico
    * The “Tocito marine bar play” is a halo play, targeting low-quality reservoir adjacent to the con
    6 KB (985 words) - 20:14, 2 June 2021
  • Delta plain, subaqueous
    ...eposits. These deposits are commonly referred to as the distributary-mouth bar. If sediments deposited seaward of the river mouth accumulate faster than s ==Distributary-mouth-bar deposits==
    60 KB (9,022 words) - 17:17, 21 March 2016
  • Covenant field
    ...r temperature, 87°C (188°F); reservoir pressure, 2360 psi (18,134 kPa, 181 bar)
    6 KB (897 words) - 19:39, 14 February 2017
  • Sea level cycles and climate
    ...conditions. Also shown are age and paleolatitudes of ice-rafted deposits (bar chart), net climate forcing CO<sub>2</sub>+ solar luminosity (upper curved
    7 KB (894 words) - 20:54, 6 April 2022
  • Lithofacies maps
    | Barrier-bar coastline || United States || 36&deg;02'30.32"N || 75&deg;46'33.57"W [[File:M91Ch11FG70.JPG|thumb|300px|{{figure number|2}}A point bar cut into the underlying Ivan limestone as picked out by varying seismic amp
    21 KB (3,139 words) - 16:54, 6 April 2016
  • Flow units and containers
    ...ies and flow units do not always correspond, especially within the central bar facies. The flow units in this section of Hartzog Draw behave as a unit; th
    9 KB (1,231 words) - 18:42, 1 April 2022
  • Arecuna field
    ...-northeast with low to moderate sinuosity are interpreted as channel-point bar complexes ([[:File:Methods14ch08f08.jpg|Figure 8]]). These sandstone-rich a ...ure is attributed to deposition from migrating transverse and longitudinal bar forms that are typical of sandy, braided river systems. The well-defined mu
    16 KB (2,381 words) - 19:03, 11 March 2019
  • Systems tracts and trap types
    ...ine break is generally coincident with the seaward end of the stream mouth bar in a delta or the upper shoreface in a beach environment. This change in de
    9 KB (1,239 words) - 16:58, 24 February 2022
  • Siliciclastic shorelines and barrier island reservoirs
    M91FG108.JPG|{{figure number|5}}The barrier bar-shoreface interval of the Brent Group reservoir in the Thistle field, UK No ...PG|Figure 7]]). Washover fans form when storms pitch sand over the barrier bar into the lagoonal area. Flood-tidal deltas develop as a result of the tidal
    18 KB (2,607 words) - 15:33, 15 January 2024
  • Identifying depositional sequences in seismic sections
    ...ward end of a stream-mouth [http://geonames.usgs.gov/apex/f?p=136:8:0::::: bar] in a delta or the upper shoreface in a beach environment.<ref name=ch04r70
    10 KB (1,394 words) - 21:47, 22 February 2022
  • Diagenetically complex reservoir evaluation
    ...uantitative petrographic data are collected, they can replace the original bar profile data. ...and W. R. van der Vlugt, 1978, Simulation of water injection in a barrier-bar- type, oil-rim reservoir in Nigeria: Journal of Petroleum Technology, v. 30
    31 KB (4,171 words) - 18:22, 21 January 2022
  • Depositional environments
    ...shifting and bar migration of braided rivers produces vertical stacking of bar deposits can be separated by mudstones. And the repeat of meander migration
    26 KB (3,851 words) - 20:38, 28 February 2019
  • East Breaks reservoir rock
    ...-1). Net sandstone isopach contours are [[length::10 ft]] (3 m); the scale bar is [[depth::3000 ft]] (1000 m).
    13 KB (1,771 words) - 17:24, 5 December 2023
  • Lithofacies and environmental analysis of clastic depositional systems
    ...gravels with subordinate mud-rich beds of varying thickness and dimension. Bar and channel deposits are typically elongate in the paleocurrent direction. [[Distributary mouth bar]]s and channel deposits ([[:file:lithofacies-and-environmental-analysis-of-
    38 KB (5,198 words) - 22:11, 15 January 2024
  • Marine seismic data acquisition
    ...ure'', which is often quoted in pressure units of bars at [[length::1 m]] (bar meters). Another measure of the performance of the array is the ''peak-to-b
    13 KB (2,015 words) - 18:24, 21 January 2022
  • Pressure transient testing
    ...serves as the basis for determining current drainage area pressure, <math>\bar{p}</math>, for a well with some pressure depletion in its drainage area cau
    15 KB (2,314 words) - 17:45, 21 January 2022
  • Braided fluvial reservoirs
    ...ided river systems under normal conditions. What mud there is, collects as bar tops or represents fragments of floodplain silts and muds. The shales tend
    13 KB (1,859 words) - 21:29, 12 March 2019
  • Dipmeter
    ...deposited by meandering stream activity. Few complete fining-upward point bar cycles (gravels to sands to shales) are present. Instead, erosional cuts an
    14 KB (2,128 words) - 17:25, 18 January 2022
  • Three-dimensional modeling of clinoforms in shallow-marine reservoirs
    ...small to large lengthscales, this hierarchy consists of mouth bars, mouth-bar assemblages, and delta lobes<ref name=Bhttchry2006>Bhattacharya, J. P., 200 ...s section]]s: (1) in fluvial-dominated deltas, distributary mouth bars and bar complexes have complex 3-D geometries that can shift along depositional str
    113 KB (16,689 words) - 22:11, 15 January 2024
  • Ti in zircon geothermometer
    ...d (right) zircons. Red dots represent ion microprobe scan locations. White bar is about 50 μm.]]
    16 KB (2,328 words) - 22:11, 3 December 2015
  • Wattenberg field
    ...gamma ray, spontaneous potential, resistivity, and neutron/density. Black bar in depth track indicates cored interval. Fort Collins Member designated F.C ...its in the past have been noted by several authors and attributed to chalk bar formation (associated with bottom water currents), compensational stacking,
    72 KB (10,249 words) - 20:06, 15 January 2024
  • Geodynamics of terrestrial exoplanets
    [[Image:Size of Kepler Planet Candidates.jpg|thumb|330px|right|Bar chart showing the size distribution of observed [[Kepler (spacecraft)|Keple
    19 KB (2,736 words) - 12:59, 14 March 2019
  • Basin-centered gas systems: examples
    ...ial dominated and, to a lesser degree, marginal marine deltaic and barrier bar
    25 KB (3,445 words) - 19:01, 14 March 2016
  • Sandstone sedimentology and stratigraphy
    ...l sandstones have abrupt terminations of sand bars. The individual channel bar and point bars deposits are interleaved with shales and other muddy sedimen
    27 KB (3,802 words) - 19:32, 9 January 2024
  • Basin modeling: identifying and quantifying significant uncertainties
    ...es are outlined in red, and the escape paths are shown in green. The scale bar in the legend represents 12,500 m (41,010 ft).
    38 KB (5,890 words) - 15:16, 23 August 2016
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