Search results

• Production Index (PI)
  ...depositional environment]] changes significantly, establish a different PI trend for each unique source rock type.
  3 KB (364 words) - 16:10, 10 February 2022
• Magnetics: total intensity and residual magnetic maps
  ...mb|300px|{{figure number|1}}Magnetic profiles of total intensity, regional trend, and residual. After Nettleton.<ref name=ch14r7>Nettleton, L. L., 1962, Ele ...ig14-2.png|Figure 1]] shows magnetic profiles of total intensity, regional trend, and residual.
  4 KB (618 words) - 19:55, 27 January 2022
• Hydrogen Index (HI)
  ...evaluating-source-rocks_fig6-14.png|thumb|{{figure number|1}}Decreasing HI trend for a source rock beginning to generate hydrocarbons at a depth of approxim [[:file:evaluating-source-rocks_fig6-14.png|Figure 1]] shows a decreasing HI trend for a source rock beginning to generate hydrocarbons at a depth of approxim
  3 KB (409 words) - 15:33, 10 February 2022
• Maturation
  Evaluating the maturation of a geologic section is based on a depth trend from samples in a well or basin. The level of maturity interpreted from mos ...on]] zones are greater for type III than for type II kerogen. Therefore, a trend is only valid if based on analysis of samples from a homogeneous organic se
  3 KB (421 words) - 18:26, 9 February 2022
• Seismic data: two- or three-dimensional interpretation
  ...the north end of the Top Keuper horizon extending roughly parallel to the trend of the anticline. The Top Zechstein and Top Keuper are approximately confor ...seismic interpretation is that the survey is always oriented at 45° to the trend of faults, channels, and other features of interest. There will always be f
  8 KB (1,280 words) - 17:33, 25 January 2022
• Economics
  [[File:Economics_Fig-1.png|thumb|300px|{{figure number|1}}Crude oil prices trend since 1861]] [[File:Economics_Fig-2.png|thumb|300px|{{figure number|2}}Crude oil price trend between 1870 and 2005.]]
  6 KB (926 words) - 19:38, 14 March 2019
• Black Warrior basin
  ...basin bounded on the north by the Ozark uplift–Pascola arch–Nashville dome trend, on the southeast by the Appalachian fold belt, and on the southwest by the
  2 KB (308 words) - 16:53, 26 March 2015
• Oil correlation case history: Norwegian sector, North Sea
  ...e is concentration of sulfur in oil plotted against API gravity, showing a trend of decreasing sulfur content with increasing gravity. Note that the Ekofisk ...icates the maturity trend in the figure is reflected in the sulfur-gravity trend, although some minor source-related differences are present in the sample s
  8 KB (1,116 words) - 22:16, 15 February 2022
• Carbonate porosity formation and preservation
  ...r, is toward destruction. Certain processes can temporarily interrupt this trend. These are “preserved” pore systems. Some of the processes that preserv
  5 KB (708 words) - 17:27, 5 December 2023
• Hydrology and sandstone diagenesis
  ...quality-and-performance_fig9-50.png|300px|thumb|{{figure number|3}}General trend of increasing dissolved solids in subsurface fluids with increasing depth. ...ir-system-quality-and-performance_fig9-50.png|Figure 3]] shows the general trend of increasing dissolved solids in subsurface fluids with increasing depth.
  6 KB (787 words) - 13:43, 6 April 2022
• Sorrento field: water saturation
  ...ing [[water saturation]] with increasing height. Well 1 is not on the same trend. Differences in water saturation attributable to differences in [[capillary
  7 KB (1,044 words) - 16:57, 13 April 2022
• Correlation and regression analysis
  ...se or decrease as the other, y, increases or decreases, in a straight-line trend or relationship.<ref name=Draper_etal_1966>Draper, N. R., and H. Smith, 196 ...e packages and is commonly used in computer generation of geological maps. Trend surface analysis, another mapping technique, is also based on the principle
  9 KB (1,366 words) - 16:37, 19 January 2022
• Microfossils in exploration
  ...on|time-stratigraphic correlations]] that help in hydrocarbon prospect and trend delineation, regional stratigraphic and geologic studies, and exploitation
  4 KB (483 words) - 15:15, 31 January 2022
• East Breaks source rock
  .... Armentrout, 1990, Miocene oil source beds in the East Breaks basin, Flex-Trend, offshore Texas: Proceedings, Gulf Coast Section SEPM 9th Annual Research c ...e, E. W. Chinn, and R. C. Lemoine, 1988, Origin of crude oil in the Wilcox Trend of Louisiana and Mississippi: evidence of long range migration: Gulf Coast
  7 KB (1,080 words) - 17:44, 23 March 2022
• Oklahoma Shale Gas/Tight Oil Plays
  ...mpletions map showing wells by year illustrates wells in the STACK (Sooner Trend Anadarko Canadian Kingfisher), SCOOP (South Central Oklahoma Oil Province),
  3 KB (445 words) - 22:27, 4 March 2022
• Elemental parameter data for oil–oil and oil–source rock correlations
  The trend in sulfur content within a single megafamily of high-sulfur oils is a funct
  4 KB (571 words) - 17:34, 15 February 2022
• Hydrofractured seal leakage
  ...imated from [[Basic_open_hole_tools#Density|density logs]] or [[porosity]] trend.
  5 KB (679 words) - 17:11, 1 February 2022
• East Breaks geochemistry
  .... Armentrout, 1990, Miocene oil source beds in the East Breaks basin, Flex-Trend, offshore Texas: Proceedings, Gulf Coast Section SEPM 9th Annual Research c
  5 KB (648 words) - 15:33, 23 March 2022
• How to plot the strike data to the Rosette diagram
  * Measure trend and plunge of lines
  5 KB (747 words) - 18:47, 26 March 2019
• Update for Fayetteville Shale Gas Play in Arkansas, 2019
  ...tevilleShale2019-20CommRpt.jpg|Figure 3]]), demonstrating a rapid downward trend in well completion since 2015 ([[:file:Figure4FayettevilleShale2019-20CommR
  5 KB (645 words) - 22:38, 2 June 2021
• Fayetteville Shale Gas Play, Arkansas
  ...the Fayetteville Shale gas play (Figure 3), demonstrating a rapid downward trend in well completion since 2015 (Figure 4). Approximately 96 gas wells were p
  4 KB (598 words) - 21:52, 3 March 2022
• Predicting preservation and destruction of accumulations
  ...he true age of the accumulation. For example, by this approach Sho-Vel-Tum trend oil fields in southern Oklahoma accumulated from the Atokan (early Pennsylv
  5 KB (782 words) - 22:36, 31 January 2022
• East Breaks critical moment
  .... Armentrout, 1990, Miocene oil source beds in the East Breaks basin, Flex-Trend, offshore Texas: Proceedings, Gulf Coast Section SEPM 9th Annual Research c
  5 KB (715 words) - 17:07, 23 March 2022
• Gravity basics
  * Determining structural trend continuation between wells and seismic data
  5 KB (720 words) - 17:59, 24 January 2022
• Haynesville and Bossier Shales (Upper Jurassic), East Texas and Northwest Louisiana
  ...easing permits in East Texas, notably the Shelby Trough and Angelina River Trend (ART) is reflected in the higher production of Texas gas and condensate in
  4 KB (628 words) - 23:05, 3 March 2022
• Flow units for reservoir characterization
  ...eep-sea fan reservoirs, Shakelford and Preston waterflood units, Spraberry Trend, West Texas: The Univ. of Texas Bureau of Economic Geology Report of Invest
  16 KB (2,282 words) - 20:46, 19 January 2022
• Eagle Ford Group, southwest Texas
  ...~4,000 to over 14,000 ft (Fig. 2) across a roughly northwest to southeast trend. Eagle Ford oil is also widely produced in Texas and parts of Louisiana fro ...Information Administration GOR map shows a steady, northwest to southeast trend for thermal maturity progression from the oil window into condensate/wet ga
  10 KB (1,550 words) - 21:50, 3 March 2022
• Amplitude versus offset (AVO) analysis
  ...(3) [[porosity]] ranges, (4) fluid content variation, (5) Poisson's ratio trend curves, and (6) a geological description of potential reservoir and encompa
  12 KB (1,723 words) - 18:41, 20 January 2022
• Pressure prediction: analysis of well-log and seismic data
  ...y series of these best shale values vs. depth. These define a normal shale trend (NST) line for each of the log curves to be used.<br>
  5 KB (733 words) - 17:57, 17 February 2022
• Contouring geological data with a computer
  ...ds that have been devised to accomplish this, including weighting methods, trend projection methods, and statistical methods. The more common gridding metho ...ow the interpolation procedure to exceed the measured maximum and minimum. Trend projection methods use one of the search criteria previously described to s
  25 KB (3,597 words) - 20:49, 19 January 2022
• Using and improving surface models built by computer
  ...rst-order trend, modeling residuals between data and trend, and adding the trend and residual surfaces.]] ====Regional trend assist====
  40 KB (6,039 words) - 20:49, 19 January 2022
• Designing a surficial geochemical survey
  # Be guided by past experience in the basin or exploration trend.
  6 KB (826 words) - 17:33, 25 January 2022
• East Breaks hydrocarbon generation model
  ...rmentrout II, 1990, Miocene oil source beds in the East Breaks basin, Flex-Trend, offshore Texas: Proceedings, Gulf Coast Section SEPM 9th Annual Research c
  6 KB (850 words) - 15:33, 23 March 2022
• East Breaks overburden rock
  .... Armentrout, 1990, Miocene oil source beds in the East Breaks basin, Flex-Trend, offshore Texas: Proceedings, Gulf Coast Section SEPM 9th Annual Research c
  6 KB (929 words) - 19:41, 22 March 2022
• Sandstone diagenetic processes
  ...t a depth of [[depth::7000 ft]], there is a 10% porosity difference in the trend lines.
  7 KB (870 words) - 20:30, 5 April 2022
• Risk: expected value and chance of success
  ...in the natural population of counterpart [[accumulation]]s in the subject trend, play, or basin. This requires the geologist or engineer to construct a fie ...larger than 200,000 bbl, which is the minimum economic field size in this trend for your firm. Therefore, the chance of ''commercial success'' is 0.75 &tim
  22 KB (3,173 words) - 19:27, 19 January 2022
• Seismic inversion
  ...the seismic trace. Since the seismic trace lacks a low frequency velocity trend because of the band-limited wavelet, the inverted trace lacks the “excurs
  8 KB (1,196 words) - 18:48, 21 January 2022
• Uncertainties impacting reserves, revenue, and costs
  Suppose you want to plot a distribution of field sizes from a basin or trend containing n number of fields. ...estment), then we can expect one out of five new field discoveries in that trend to have found a noncommercial field.
  21 KB (3,123 words) - 19:27, 19 January 2022
• Utilization of the industrial revolution 4.0 in oil and gas exploration
  ...Big Data, prominently in exploration it is used to extract the underlying trend of the seismic data and well data. The exploration stage requires deep know ..., H., Arslan, I., Zhai, X., Darabi, H., & Castineira, D. (2020). Finding a trend out of chaos, a machine learning approach for well spacing optimization. Pr
  21 KB (3,096 words) - 20:59, 21 April 2022
• Gas chromatography/mass spectrometry (GC/MS): limitations
  ...il-and-oilsource-rock-correlations_fig8-40.png|Figure 1]] illustrates this trend. It shows the m/z 217.2 mass chromatograms of three oils from central Myanm
  8 KB (1,111 words) - 22:05, 15 February 2022
• Sequence stratigraphy
  ...(1) a more effective method for evaluating reservoir system continuity and trend directions and (2) improved methods for predicting reservoir system, source
  8 KB (1,093 words) - 21:21, 3 February 2022
• Arecuna field
  ...aries from 2 to 17 m (7 to 57 ft) thick. Discrete sandstone-rich axes that trend north-northeast with low to moderate sinuosity are interpreted as channel-p ...[[:File:Methods14ch08f11.jpg|Figure 11]]). Sand-body geometry in the axial trend is low sinuosity, and the bedding architecture is aggradational, as indicat
  16 KB (2,381 words) - 19:03, 11 March 2019
• Structurally complex reservoirs: evaluation
  ...e bow string rule, [[lateral]] ramps, or drawing the section normal to the trend of the regional compressional or extensional folds.<ref name=Woodward_etal_ ...n, a separatin surface can be projected along the fault retaining the same trend, but adjusted in value by an amount appropriate for the offset on the fault
  20 KB (2,865 words) - 19:24, 19 January 2022
• Mandal-Ekofisk(!) petroleum system
  | Ula Trend
  9 KB (1,184 words) - 18:46, 3 March 2016
• Austin Chalk, onshore U.S. Gulf Coast
  ...oduction. Source: http://tuscaloosatrend.blogspot.com/2017/05/austin-chalk-trend-field-production.html
  8 KB (1,200 words) - 21:22, 3 March 2022
• China Shale Gas & Liquids - Bohai Bay Basin
  ...oil production of 5.8-154.0 t/d (Song et al., 2020). There is a observable trend of systematic increase in GOR from 13 to 385 m3/t with depth increase to ab
  8 KB (1,251 words) - 15:51, 14 March 2022
• East Breaks hydrocarbon migration model
  .... Armentrout, 1990, Miocene oil source beds in the East Breaks basin, Flex-Trend, offshore Texas: Proceedings, Gulf Coast Section SEPM 9th Annual Research c
  10 KB (1,376 words) - 16:00, 23 March 2022
• Niobrara & Codell of the Denver-Julesburg Basin
  Gas production from across the basin followed a similar trend, shown in Figure 3, following the same steady multiple year-on-year increas
  9 KB (1,412 words) - 21:46, 3 March 2022
• Relating traps to paleogeography
  .... Armentrout, 1990, Miocene oil source beds in the East Breaks basin, Flex-Trend, offshore Texas: Proceedings, Gulf Coast Section SEPM 9th Annual Research C
  11 KB (1,482 words) - 15:47, 21 March 2022
• Eagle Ford Group in southwest Texas (USGS)
  ...related to depth, which range from ~4000 to more than 14,000 ft deep in a trend north to south across the play ([[:file:Figure1EagleFord2019-20CommRept.jpg
  11 KB (1,594 words) - 19:15, 8 February 2024

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