Janet K Pitman
Scientist Emeritus with the Central Energy Resources Science Center
Science and Products
Filter Total Items: 169
Geologic controls on the formation of lakes in north-central Florida Geologic controls on the formation of lakes in north-central Florida
Fluid exchange between surficial waters and groundwater, as well as the processes that control this exchange, are of critical concern to water management districts and planners. Digital high-resolution seismic systems were used to collect geophysical data from 30 lakes of north-central Florida. Although using seismic profile data in the past has been less than successful, the use of...
Authors
Jack L. Kindinger, Jeffrey B. Davis, James G. Flocks
Reservoir quality and diagenetic evolution of Upper Mississippian rocks in the Illinois Basin; influence of a regional hydrothermal fluid-flow event during late diagenesis Reservoir quality and diagenetic evolution of Upper Mississippian rocks in the Illinois Basin; influence of a regional hydrothermal fluid-flow event during late diagenesis
Conventional reservoir quality data for more than 300 wells provided by the Illinois and Indiana State Geological Surveys were analyzed to determine the factors governing porosity and permeability in the Upper Mississippian Bethel Sandstone and Cypress Sandstone, two of the principal producing units in the Illinois Basin. In addition, approximately 150 samples of the Bethel Sandstone...
Authors
Janet K. Pitman, Mitchell E. Henry, Beverly Seyler
Regional diagenetic patterns in the St. Peter Sandstone; implications for brine migration in the Illinois Basin Regional diagenetic patterns in the St. Peter Sandstone; implications for brine migration in the Illinois Basin
Diagenetic minerals and alteration patterns in the Ordovician St. Peter Sandstone, Illinois Basin, record varied hydrologic and chemical conditions during the basin?s long and complex geologic history. Major diagenetic events modifying the St. Peter Sandstone include (1) mechanical compaction, (2) early K-feldspar overgrowth and dolospar precipitation, (3) burial quartz, dolospar...
Authors
Janet K. Pitman, Martin B. Goldhaber, Christoph Spoetl
Ground-water chemistry and diagenetic reactions in Tertiary sandstones of the Green River and Wasatch formations, Uinta Basin, Utah Ground-water chemistry and diagenetic reactions in Tertiary sandstones of the Green River and Wasatch formations, Uinta Basin, Utah
No abstract available.
Authors
Richard B. Wanty, Janet K. Pitman, Thomas D. Fouch
Thickness, oil-yield, and kriged resource estimates for the Eocene Green River formation, Piceance Creek basin, Colorado Thickness, oil-yield, and kriged resource estimates for the Eocene Green River formation, Piceance Creek basin, Colorado
No abstract available.
Authors
Janet K. Pitman, Frances Wahl Pierce, W.D. Grundy
Sedimentology, mineralogy, palynology, and depositional history of some uppermost Cretaceous and lowermost Tertiary rocks along the Utah Book and Roan cliffs east of the Green River Sedimentology, mineralogy, palynology, and depositional history of some uppermost Cretaceous and lowermost Tertiary rocks along the Utah Book and Roan cliffs east of the Green River
No abstract available.
Authors
Karen J. Franczyk, Janet K. Pitman, Douglas J. Nichols
Diagenesis of hydrocarbon-bearing rocks in the Middle Ordovician Simpson Group, southeastern Anadarko Basin, Oklahoma Diagenesis of hydrocarbon-bearing rocks in the Middle Ordovician Simpson Group, southeastern Anadarko Basin, Oklahoma
Quartzarenites and subarkoses in the Middle Ordovician Simpson Group in the Gulf Costello No. 1 and Sunray-DX Parker No. 1 Mazur wells, southeastern Anadarko basin, have undergone a complex diagenetic and petroleum-migration history. During early burial, petroleum migrated locally through sandstones; patches of bitumen in calcite and bitumen-lined quartz overgrowths containing oil...
Authors
Janet K. Pitman, Robert A. Burruss
Petrography, mineralogy, and reservoir characteristics of the Upper Cretaceous Mesaverde Group in the east-central Piceance Basin, Colorado Petrography, mineralogy, and reservoir characteristics of the Upper Cretaceous Mesaverde Group in the east-central Piceance Basin, Colorado
No abstract available.
Authors
Janet K. Pitman, Charles W. Spencer, Richard M. Pollastro
Diagenesis and burial history of nonmarine Upper Cretaceous rocks in the central Uinta Basin, Utah Diagenesis and burial history of nonmarine Upper Cretaceous rocks in the central Uinta Basin, Utah
No abstract available.
Authors
Janet K. Pitman, Karen J. Franczyk, Donald E. Anders
Pressure sensitivity of low permeability sandstones Pressure sensitivity of low permeability sandstones
Detailed core analysis has been carried out on 32 tight sandstones with permeabilities ranging over four orders of magnitude (0.0002 to 4.8 mD at 5000 psi confining pressure). Relationships between gas permeability and net confining pressure were measured for cycles of loading and unloading. For some samples, permeabilities were measured both along and across bedding planes. Large...
Authors
N.H. Kilmer, N.R. Morrow, Janet K. Pitman
Marine and nonmarine gas-bearing rocks in Upper Cretaceous Blackhawk and Neslen Formations, eastern Uinta Basin, Utah: Sedimentology, diagenesis, and source rock potential Marine and nonmarine gas-bearing rocks in Upper Cretaceous Blackhawk and Neslen Formations, eastern Uinta Basin, Utah: Sedimentology, diagenesis, and source rock potential
The Upper Cretaceous Blackhawk and Neslen Formations in the eastern Uinta basin contain large amounts of thermogenic gas that was generated from interbedded humic-rich source rocks. The geometry and distribution of hydrocarbon source and reservoir rocks are controlled by depositional environment. The Blackhawk, composed of laterally extensive sandstone and locally interbedded...
Authors
Janet K. Pitman, Karen J. Franczyk, Donald E. Anders
Science and Products
Filter Total Items: 169
Geologic controls on the formation of lakes in north-central Florida Geologic controls on the formation of lakes in north-central Florida
Fluid exchange between surficial waters and groundwater, as well as the processes that control this exchange, are of critical concern to water management districts and planners. Digital high-resolution seismic systems were used to collect geophysical data from 30 lakes of north-central Florida. Although using seismic profile data in the past has been less than successful, the use of...
Authors
Jack L. Kindinger, Jeffrey B. Davis, James G. Flocks
Reservoir quality and diagenetic evolution of Upper Mississippian rocks in the Illinois Basin; influence of a regional hydrothermal fluid-flow event during late diagenesis Reservoir quality and diagenetic evolution of Upper Mississippian rocks in the Illinois Basin; influence of a regional hydrothermal fluid-flow event during late diagenesis
Conventional reservoir quality data for more than 300 wells provided by the Illinois and Indiana State Geological Surveys were analyzed to determine the factors governing porosity and permeability in the Upper Mississippian Bethel Sandstone and Cypress Sandstone, two of the principal producing units in the Illinois Basin. In addition, approximately 150 samples of the Bethel Sandstone...
Authors
Janet K. Pitman, Mitchell E. Henry, Beverly Seyler
Regional diagenetic patterns in the St. Peter Sandstone; implications for brine migration in the Illinois Basin Regional diagenetic patterns in the St. Peter Sandstone; implications for brine migration in the Illinois Basin
Diagenetic minerals and alteration patterns in the Ordovician St. Peter Sandstone, Illinois Basin, record varied hydrologic and chemical conditions during the basin?s long and complex geologic history. Major diagenetic events modifying the St. Peter Sandstone include (1) mechanical compaction, (2) early K-feldspar overgrowth and dolospar precipitation, (3) burial quartz, dolospar...
Authors
Janet K. Pitman, Martin B. Goldhaber, Christoph Spoetl
Ground-water chemistry and diagenetic reactions in Tertiary sandstones of the Green River and Wasatch formations, Uinta Basin, Utah Ground-water chemistry and diagenetic reactions in Tertiary sandstones of the Green River and Wasatch formations, Uinta Basin, Utah
No abstract available.
Authors
Richard B. Wanty, Janet K. Pitman, Thomas D. Fouch
Thickness, oil-yield, and kriged resource estimates for the Eocene Green River formation, Piceance Creek basin, Colorado Thickness, oil-yield, and kriged resource estimates for the Eocene Green River formation, Piceance Creek basin, Colorado
No abstract available.
Authors
Janet K. Pitman, Frances Wahl Pierce, W.D. Grundy
Sedimentology, mineralogy, palynology, and depositional history of some uppermost Cretaceous and lowermost Tertiary rocks along the Utah Book and Roan cliffs east of the Green River Sedimentology, mineralogy, palynology, and depositional history of some uppermost Cretaceous and lowermost Tertiary rocks along the Utah Book and Roan cliffs east of the Green River
No abstract available.
Authors
Karen J. Franczyk, Janet K. Pitman, Douglas J. Nichols
Diagenesis of hydrocarbon-bearing rocks in the Middle Ordovician Simpson Group, southeastern Anadarko Basin, Oklahoma Diagenesis of hydrocarbon-bearing rocks in the Middle Ordovician Simpson Group, southeastern Anadarko Basin, Oklahoma
Quartzarenites and subarkoses in the Middle Ordovician Simpson Group in the Gulf Costello No. 1 and Sunray-DX Parker No. 1 Mazur wells, southeastern Anadarko basin, have undergone a complex diagenetic and petroleum-migration history. During early burial, petroleum migrated locally through sandstones; patches of bitumen in calcite and bitumen-lined quartz overgrowths containing oil...
Authors
Janet K. Pitman, Robert A. Burruss
Petrography, mineralogy, and reservoir characteristics of the Upper Cretaceous Mesaverde Group in the east-central Piceance Basin, Colorado Petrography, mineralogy, and reservoir characteristics of the Upper Cretaceous Mesaverde Group in the east-central Piceance Basin, Colorado
No abstract available.
Authors
Janet K. Pitman, Charles W. Spencer, Richard M. Pollastro
Diagenesis and burial history of nonmarine Upper Cretaceous rocks in the central Uinta Basin, Utah Diagenesis and burial history of nonmarine Upper Cretaceous rocks in the central Uinta Basin, Utah
No abstract available.
Authors
Janet K. Pitman, Karen J. Franczyk, Donald E. Anders
Pressure sensitivity of low permeability sandstones Pressure sensitivity of low permeability sandstones
Detailed core analysis has been carried out on 32 tight sandstones with permeabilities ranging over four orders of magnitude (0.0002 to 4.8 mD at 5000 psi confining pressure). Relationships between gas permeability and net confining pressure were measured for cycles of loading and unloading. For some samples, permeabilities were measured both along and across bedding planes. Large...
Authors
N.H. Kilmer, N.R. Morrow, Janet K. Pitman
Marine and nonmarine gas-bearing rocks in Upper Cretaceous Blackhawk and Neslen Formations, eastern Uinta Basin, Utah: Sedimentology, diagenesis, and source rock potential Marine and nonmarine gas-bearing rocks in Upper Cretaceous Blackhawk and Neslen Formations, eastern Uinta Basin, Utah: Sedimentology, diagenesis, and source rock potential
The Upper Cretaceous Blackhawk and Neslen Formations in the eastern Uinta basin contain large amounts of thermogenic gas that was generated from interbedded humic-rich source rocks. The geometry and distribution of hydrocarbon source and reservoir rocks are controlled by depositional environment. The Blackhawk, composed of laterally extensive sandstone and locally interbedded...
Authors
Janet K. Pitman, Karen J. Franczyk, Donald E. Anders