Search results

• 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
• 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

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)