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  • LECO method in estimating richness
    ...rbon (TOC)]] uses an instrument known as a LECO carbon analyzer to measure TOC values by combusting the organic carbon and measuring the resulting carbon ==Measuring TOC with LECO==
    2 KB (354 words) - 15:49, 9 February 2022
  • Source rock richness
    ...on techniques of analyzing a rock for TOC are [[Rock-Eval pyrolysis]] with TOC and the [[LECO method in estimating richness|LECO method]]. Conventional we
    1 KB (179 words) - 21:39, 4 February 2022
  • Van Krevelen diagram
    ...nic carbon (TOC)|TOC]]) is plotted versus [[hydrogen index]] ([HI] mg HC/g TOC).<ref name=Petersetal_2012>Peters, Kenneth E., David J. Curry, and Marek Ka
    1 KB (194 words) - 15:46, 8 March 2016
  • Type I kerogen
    ...indices greater than 600 mg [[hydrocarbon]]\g [[total organic carbon (TOC)|TOC]] when thermally immature; contains algal and bacterial input dominated by
    1 KB (176 words) - 21:06, 6 July 2015
  • Total organic carbon (TOC)
    The table below<ref name=ch06r3 /> shows average TOC values for different sedimentary rock types. ! Rock type || TOC value, %
    3 KB (428 words) - 16:33, 13 April 2022
  • Type IV kerogen
    ...rogen]] indices below 50 mg [[hydrocarbon]]/g [[total organic carbon (TOC)|TOC]] in thermally immature rocks; dominated by organic matter that was recycle
    1 KB (185 words) - 21:11, 6 July 2015
  • Type II kerogen
    ...the range of 300 to 600 mg [[hydrocarbon]]\g [[total organic carbon (TOC)|TOC]] when thermally immature; contains algal and bacterial organic matter domi
    1 KB (181 words) - 21:10, 6 July 2015
  • Type III kerogen
    ...n the range of 50 to 200 mg [[hydrocarbon]]\g [[total organic carbon (TOC)|TOC]] when thermally immature; generally contains higher plant organic matter d
    1 KB (180 words) - 21:11, 6 July 2015
  • Template:Limit TOC/doc
    {{Limit TOC|2}}
    312 bytes (56 words) - 17:29, 29 January 2014
  • Hydrogen Index (HI)
    :<math>\mbox{HI} = \mbox{S2} / \mbox{TOC} \times 100</math> ...nalyses.html NL Oil and Gas Portal]</ref> and [[Total organic carbon (TOC)|TOC]] is total organic carbon in %.
    3 KB (409 words) - 15:33, 10 February 2022
  • Rock Eval analysis using hydrogen index (HI) and oxygen index (OI)
    ...and carbon. Therefore, once we know the amount of [[total organic carbon (TOC)]] present in a rock, we then need to know the amount of hydrogen present i :<math>\mbox{HI} = \mbox{S2} \mbox{ (Mg/g)}/\%\mbox{TOC} \times 100</math>
    3 KB (525 words) - 18:09, 9 February 2022
  • File:M106Ch14Fig13.jpg
    ...with the isopach map of the Hanifa–Tuwaiq Mountain and Diyab source rocks (TOC in excess of 1%), their current thermal maturity expressed as vitrinite ref
    (700 × 464 (101 KB)) - 18:44, 12 July 2016
  • Expulsion efficiency estimation
    ...sion efficiencies tend to increase with increasing [[total organic carbon (TOC)]]. Expulsion efficiencies for oil and gas can be as high as 70-80% for ver ...he original kerogen content of the rock using [[total organic carbon (TOC)|TOC]] values measured from source rock samples.
    4 KB (569 words) - 21:54, 14 February 2022
  • Primary migration and compositional changes
    * High levels of [[total organic carbon (TOC)]] * Low [[Total organic carbon (TOC)]]
    3 KB (438 words) - 15:17, 14 February 2022
  • AAPG Wiki:Wikification
    {{TOC limit|2}} | || Limit TOC if too many sections
    8 KB (1,043 words) - 14:09, 6 August 2013
  • Source rock
    ...ic matter is commonly assessed by a measure of the [[total organic carbon (TOC)]] contained in a rock. Quality is measured by determining the types of [[k | Quantity of source rock || Total organic carbon (TOC) present in the source rock
    4 KB (569 words) - 21:38, 4 February 2022
  • Using conventional well logs to estimate richness
    ...table measurement technique. Using the calibrated logs, we can extrapolate TOC values to uncalibrated logs to estimate source rock richness over large are
    5 KB (768 words) - 15:48, 9 February 2022
  • Rock-Eval pyrolysis
    The percent [[total organic carbon (TOC)]] is actually a value that is calculated, not measured directly, using the :<math>\%\mbox{TOC} = [0.082(\mbox{S1} + \mbox{S2}) + \mbox{S4}]/10</math>
    4 KB (573 words) - 18:22, 8 February 2022
  • Utica Shale, Ohio, Pennsylvania, West Virginia and Kentucky
    ...st in the organic rich Point Pleasant interval ranging from 3% to 12%. The TOC increases to the east and to the southeast. This same interval is an organi
    3 KB (542 words) - 22:36, 4 March 2022
  • China Shale Gas & Liquids - Sichuan Basin
    ...ommercially producing shale interval has a thickness of 20-40m, an average TOC content of 2-4%, vitrinite reflectance (Ro) of 2-3.5%, porosity of 1.85-8.3 ...for good gas preservation conditions. In summary, the combination of high TOC content, high quartz content, high porosity and good gas preservation condi
    7 KB (985 words) - 18:54, 4 December 2023

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