Deep-burial diagenesis. Annual progress report, 1982-1983
Technical Report
·
OSTI ID:6519926
This program emphasizes the effects of deep burial on creation and elimination of porosity with depth and on changes in textures of carbonate rocks. Two parallel lines of investigation have been employed: (1) experimental compaction tests at various temperatures, pressures, and interstitial fluid compositions of natural carbonate sediments; and (2) petrographic and mechanical-log analysis of carbonate rocks from boreholes of some of the world's deepest carbonate hydrocarbon (gas) reservoirs. In compacted ooids in the presence of distilled water neomorphic microspar of calcite pseudomorphically replaced aragonite, with survival in places, in the ooids of parts of their original fabric. Most of the ooids, replaced neomorphically, retained concentric rims however. Ooids and skeletal particles compressed at 150, 200 and 250/sup 0/C and at 1.5 and 2.4 kilobars, consistent with burial depth of 6 and 9 km showed appreciable volume reduction. Skeletal particles showed greater response to pressures than ooids and coarser particles lost more void space than finer ones. Except for crushed and split particles which increase at higher temperatures, other kinds of breakage are unrelated to temperature effects. Our study of boreholes reveals that among the world's deepest producing hydrocarbon (gas) reservoirs in the Anadarko Basin of Oklahoma porosity in carbonates is chiefly confined to dolomites.
- Research Organization:
- Rensselaer Polytechnic Inst., Troy, NY (USA). Dept. of Geology
- DOE Contract Number:
- AC02-81ER10921
- OSTI ID:
- 6519926
- Report Number(s):
- DOE/ER/10921-T1; ON: DE83009378
- Country of Publication:
- United States
- Language:
- English
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Thu Dec 31 23:00:00 EST 1981
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Related Subjects
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
58 GEOSCIENCES
580300* -- Mineralogy
Petrology
& Rock Mechanics-- (-1989)
ALKALINE EARTH METAL COMPOUNDS
AQUEOUS SOLUTIONS
CALCIUM CARBONATES
CALCIUM COMPOUNDS
CARBON COMPOUNDS
CARBONATE MINERALS
CARBONATE ROCKS
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DEPTH
DIMENSIONS
DISPERSIONS
DOLOMITE
EXPERIMENTAL DATA
FEDERAL REGION VI
FERROAN
GEOLOGIC DEPOSITS
INFORMATION
IRON CARBONATES
IRON COMPOUNDS
MAGNESIUM CARBONATES
MAGNESIUM COMPOUNDS
MINERAL RESOURCES
MINERALS
MIXTURES
NATURAL GAS DEPOSITS
NORTH AMERICA
NUMERICAL DATA
OKLAHOMA
OXYGEN COMPOUNDS
POROSITY
PRESSURE DEPENDENCE
RECRYSTALLIZATION
RESERVOIR ROCK
RESOURCES
ROCKS
SEDIMENTARY ROCKS
SOLUTIONS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
USA
030200 -- Natural Gas-- Reserves
Geology
& Exploration
58 GEOSCIENCES
580300* -- Mineralogy
Petrology
& Rock Mechanics-- (-1989)
ALKALINE EARTH METAL COMPOUNDS
AQUEOUS SOLUTIONS
CALCIUM CARBONATES
CALCIUM COMPOUNDS
CARBON COMPOUNDS
CARBONATE MINERALS
CARBONATE ROCKS
CARBONATES
CATAGENESIS
DATA
DEPTH
DIMENSIONS
DISPERSIONS
DOLOMITE
EXPERIMENTAL DATA
FEDERAL REGION VI
FERROAN
GEOLOGIC DEPOSITS
INFORMATION
IRON CARBONATES
IRON COMPOUNDS
MAGNESIUM CARBONATES
MAGNESIUM COMPOUNDS
MINERAL RESOURCES
MINERALS
MIXTURES
NATURAL GAS DEPOSITS
NORTH AMERICA
NUMERICAL DATA
OKLAHOMA
OXYGEN COMPOUNDS
POROSITY
PRESSURE DEPENDENCE
RECRYSTALLIZATION
RESERVOIR ROCK
RESOURCES
ROCKS
SEDIMENTARY ROCKS
SOLUTIONS
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
USA