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| + | {{Merge|Lithofacies}} |
| + | |
| {{publication | | {{publication |
| | image = exploring-for-oil-and-gas-traps.png | | | image = exploring-for-oil-and-gas-traps.png |
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| | part = Predicting the occurrence of oil and gas traps | | | part = Predicting the occurrence of oil and gas traps |
| | chapter = Exploring for stratigraphic traps | | | chapter = Exploring for stratigraphic traps |
− | | frompg = 21-1 | + | | frompg = 21-45 |
− | | topg = 21-68 | + | | topg = 21-45 |
| | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael L. Hendricks | | | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael L. Hendricks |
| | link = http://archives.datapages.com/data/specpubs/beaumont/ch21/ch21.htm | | | link = http://archives.datapages.com/data/specpubs/beaumont/ch21/ch21.htm |
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| | isbn = 0-89181-602-X | | | isbn = 0-89181-602-X |
| }} | | }} |
− | Lithofacies are interpreted from well data and seismic facies descriptions. Lithofacies interpretations should be based on all available well and outcrop data and on seismic facies interpretations. | + | [[Lithofacies]] are interpreted from well data and [[Basics of seismic facies analysis|seismic facies]] descriptions. Lithofacies interpretations should be based on all available well and outcrop data and on seismic facies interpretations. |
| | | |
| ==Procedure== | | ==Procedure== |
| Below is a suggested procedure for analyzing lithofacies. | | Below is a suggested procedure for analyzing lithofacies. |
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− | # Learn as much as possible about the regional geology from well and outcrop control. | + | # Learn as much as possible about the regional geology from well and [http://www.merriam-webster.com/dictionary/outcrop outcrop] control. |
− | # Describe cores and cuttings from sequences of interest. Besides describing lithology, grain size, and sedimentary structures, also describe pore geometry. | + | # Describe [[Core description|cores]] and [[Mudlogging: drill cuttings analysis|cuttings]] from sequences of interest. Besides describing lithology, [[grain size]], and [[sedimentary structures]], also describe [[Pore system fundamentals|pore geometry]]. |
− | # Calibrate core and cuttings descriptions to well logs and outcrops. Annotate logs with [[porosity]] and [[permeability]] data (if available) from potential reservoir and seal intervals. | + | # Calibrate core and cuttings descriptions to [[Quick-look lithology from logs|well logs]] and outcrops. Annotate logs with [[porosity]] and [[permeability]] data (if available) from potential reservoir and seal intervals. |
− | # Integrate calibrated well logs into well log [[cross section]]s constructed during well log sequence analysis. | + | # Integrate calibrated well logs into well log [[cross section]]s constructed during well log [[Sequence stratigraphy|sequence analysis]]. |
− | # Interpret depositional environments of lithofacies of depositional sequences using log cross sections and seismic sections with seismic facies analyses. | + | # Interpret [[depositional environments]] of lithofacies of [[Depositional sequence definition|depositional sequences]] using log cross sections and seismic sections with seismic facies analyses. |
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| ==See also== | | ==See also== |
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| [[Category:Predicting the occurrence of oil and gas traps]] | | [[Category:Predicting the occurrence of oil and gas traps]] |
| [[Category:Exploring for stratigraphic traps]] | | [[Category:Exploring for stratigraphic traps]] |
| + | [[Category:Treatise Handbook 3]] |