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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Angola (1)
-
Equatorial Guinea (1)
-
-
North Africa
-
Algeria
-
Berkine Basin (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (2)
-
-
-
Morocco
-
Moroccan Atlas Mountains
-
High Atlas (2)
-
-
-
-
Southern Africa
-
South Africa
-
Klerksdorp Field (1)
-
Witwatersrand (1)
-
-
-
West Africa
-
Nigeria
-
Niger Delta (1)
-
-
-
-
Arctic Ocean
-
Norwegian Sea
-
Haltenbanken (1)
-
-
-
Asia
-
Arabian Peninsula
-
Oman (5)
-
Qatar (1)
-
Saudi Arabia (1)
-
-
Far East
-
Borneo
-
Brunei (1)
-
East Malaysia
-
Sarawak Malaysia (2)
-
-
Kalimantan Indonesia (1)
-
-
China
-
Anhui China (1)
-
Chongqing China (1)
-
Heilongjiang China
-
Daqing Field (2)
-
-
Inner Mongolia China (1)
-
Jiangsu China (1)
-
Liaoning China
-
Liaohe Field (1)
-
-
Ordos Basin (7)
-
Qaidam Basin (1)
-
Shandong China
-
Shengli Field (2)
-
-
Songliao Basin (1)
-
Xinjiang China (1)
-
-
Indonesia
-
Irian Jaya Indonesia (1)
-
Kalimantan Indonesia (1)
-
-
Japan (3)
-
Malaysia
-
East Malaysia
-
Sarawak Malaysia (2)
-
-
-
Mongolia (1)
-
-
Indian Peninsula
-
India
-
Northeastern India
-
Assam India (1)
-
-
-
-
Middle East
-
Iran (2)
-
-
-
Atlantic Ocean
-
North Atlantic
-
Faeroe-Shetland Basin (2)
-
Gulf of Guinea (1)
-
Gulf of Mexico
-
Eugene Island Block 330 Field (1)
-
Mississippi Canyon (1)
-
-
Irish Sea (1)
-
North Sea
-
Ekofisk Field (1)
-
Forties Field (1)
-
Gullfaks Field (3)
-
Skagerrak (1)
-
-
Northeast Atlantic (2)
-
-
South Atlantic (1)
-
-
Atlantic Ocean Islands
-
Shetland Islands (2)
-
-
Australasia
-
Australia
-
Otway Basin (1)
-
Queensland Australia (1)
-
South Australia (1)
-
Surat Basin (1)
-
Victoria Australia (1)
-
Western Australia
-
Carnarvon Basin (1)
-
-
-
Papua New Guinea (1)
-
-
Bell Creek Field (1)
-
Border Ranges Fault (1)
-
Bowen Basin (1)
-
Cambay Basin (2)
-
Campos Basin (1)
-
Canada
-
Cold Lake (6)
-
Western Canada
-
Alberta
-
Alberta Basin (1)
-
Athabasca Oil Sands (9)
-
Athabasca River (1)
-
Drumheller Alberta (1)
-
Peace River Arch (1)
-
-
Athabasca Basin (3)
-
Athabasca District (1)
-
British Columbia (7)
-
Canadian Rocky Mountains (1)
-
Saskatchewan
-
Aberfeldy Field (1)
-
Weyburn Field (8)
-
-
-
-
Central Graben (4)
-
Clearwater River (1)
-
Cook Inlet (1)
-
Europe
-
Carpathians
-
Polish Carpathians (1)
-
-
Central Europe
-
Austria
-
North Austrian Molasse (1)
-
Upper Austria (1)
-
-
Germany (1)
-
Molasse Basin
-
North Austrian Molasse (1)
-
-
Poland
-
Polish Carpathians (1)
-
Slaskie Poland
-
Katowice Poland (1)
-
-
-
Upper Silesian coal basin (1)
-
Vienna Basin (1)
-
-
Pannonian Basin (1)
-
Southern Europe
-
Croatia (1)
-
Iberian Peninsula
-
Portugal (1)
-
Spain
-
Ebro Basin (1)
-
-
-
-
Western Europe
-
Belgium
-
Wallonia Belgium
-
Liege Belgium (1)
-
-
-
France
-
Bouches-du-Rhone France
-
Rhone Delta (1)
-
-
Paris Basin (2)
-
-
Netherlands (1)
-
Scandinavia
-
Denmark (1)
-
Norway (7)
-
-
United Kingdom
-
Great Britain
-
Bristol Channel (1)
-
England
-
Cornwall England (1)
-
Wessex Basin (1)
-
Yorkshire England
-
North Yorkshire England (2)
-
-
-
Scotland
-
Moray Firth (3)
-
Shetland Islands (2)
-
-
Wales (1)
-
-
-
-
-
Guadalupe Mountains (1)
-
Gulf of Mexico Basin (2)
-
Imperial Valley (1)
-
Indian Ocean
-
Arabian Sea
-
Persian Gulf (1)
-
-
-
Llanos (1)
-
Lusitanian Basin (1)
-
Malay Archipelago
-
Borneo
-
Brunei (1)
-
East Malaysia
-
Sarawak Malaysia (2)
-
-
Kalimantan Indonesia (1)
-
-
New Guinea
-
Irian Jaya Indonesia (1)
-
-
-
Mexico (1)
-
North America
-
Appalachian Basin (3)
-
Great Plains
-
Southern Great Plains (1)
-
-
Gulf Coastal Plain (5)
-
Michigan Basin (6)
-
Rocky Mountains
-
Canadian Rocky Mountains (1)
-
U. S. Rocky Mountains
-
Bighorn Mountains (1)
-
-
-
Western Canada Sedimentary Basin (7)
-
Williston Basin (9)
-
-
North Slope (2)
-
Pacific Coast (1)
-
Pacific Ocean
-
North Pacific
-
Northwest Pacific
-
South China Sea (1)
-
-
-
South Pacific
-
Southwest Pacific
-
Java Sea (1)
-
-
-
West Pacific
-
Indonesian Seas
-
Java Sea (1)
-
-
Northwest Pacific
-
South China Sea (1)
-
-
Southwest Pacific
-
Java Sea (1)
-
-
-
-
Peace River (2)
-
Permian Basin (21)
-
Pikes Peak (1)
-
Rangely Field (3)
-
Sacramento Basin (1)
-
San Joaquin Basin (6)
-
San Juan Basin (1)
-
Souris River basin (1)
-
South America
-
Argentina
-
Neuquen Basin (2)
-
-
Brazil
-
Araripe Basin (1)
-
-
Colombia
-
Magdalena Valley (1)
-
-
Orinoco River (1)
-
Peru (1)
-
Surinam (1)
-
Venezuela
-
Eastern Venezuela (1)
-
Maracaibo Basin (2)
-
-
-
United States
-
Alabama
-
Covington County Alabama (1)
-
Mobile County Alabama
-
Mobile Alabama (1)
-
-
Monroe County Alabama (1)
-
-
Alaska
-
Chugach Mountains (1)
-
Kenai Peninsula (1)
-
Prudhoe Bay (2)
-
-
Anadarko Basin (5)
-
Arkansas (1)
-
Arkoma Basin (1)
-
Bighorn Basin (2)
-
Black Warrior Basin (1)
-
California
-
Central California (1)
-
Contra Costa County California (1)
-
Inyo County California
-
Coso Hot Springs KGRA (1)
-
-
Kern County California
-
Bakersfield California (2)
-
Kern River Field (2)
-
Lost Hills Field (3)
-
-
Los Angeles Basin (3)
-
Midway-Sunset Field (8)
-
San Joaquin Valley (6)
-
Santa Barbara Channel (1)
-
Southern California (6)
-
Temblor Range (2)
-
-
Central Basin Platform (6)
-
Colorado
-
Rio Blanco County Colorado
-
Rangely Colorado (1)
-
-
Wattenberg Field (1)
-
-
Delaware Basin (6)
-
Eastern U.S. (1)
-
High Plains Aquifer (1)
-
Hudson Valley (1)
-
Idaho
-
Snake River plain (1)
-
-
Illinois
-
Coles County Illinois (1)
-
Fayette County Illinois (1)
-
Franklin County Illinois (1)
-
Richland County Illinois (1)
-
-
Illinois Basin (5)
-
Indiana
-
Delaware County Indiana (1)
-
-
Kansas
-
Barber County Kansas (1)
-
Russell County Kansas (1)
-
-
Kentucky (2)
-
Louisiana
-
Madison Parish Louisiana (1)
-
-
Michigan
-
Michigan Lower Peninsula
-
Otsego County Michigan (1)
-
-
-
Midcontinent (1)
-
Midwest (2)
-
Mississippi (1)
-
Montana
-
Powder River County Montana (1)
-
-
Nebraska (1)
-
New Mexico
-
Chaves County New Mexico (1)
-
Lea County New Mexico (1)
-
-
North Dakota (1)
-
Ogallala Aquifer (1)
-
Ohio (7)
-
Oklahoma
-
Blaine County Oklahoma (1)
-
Mayes County Oklahoma (1)
-
Oklahoma County Oklahoma (1)
-
Oklahoma Panhandle (1)
-
Payne County Oklahoma (1)
-
-
Oregon (1)
-
Paradox Basin (3)
-
Pennsylvania
-
Greene County Pennsylvania (1)
-
-
Powder River basin (4)
-
Savannah River (1)
-
Southwestern U.S. (1)
-
Texas
-
Andrews County Texas (3)
-
Borden County Texas (2)
-
Crane County Texas (1)
-
Culberson County Texas (1)
-
Dallas County Texas
-
Dallas Texas (1)
-
-
Dawson County Texas (1)
-
Denton County Texas (2)
-
Ector County Texas (1)
-
Ellis County Texas (1)
-
Fort Worth Basin (5)
-
Gaines County Texas (1)
-
Galveston County Texas (1)
-
Glasscock County Texas (2)
-
Howard County Texas (1)
-
Jack County Texas (1)
-
Llano Uplift (1)
-
Loving County Texas (1)
-
Martin County Texas (1)
-
McElroy Field (1)
-
Midland Basin (6)
-
Midland County Texas (1)
-
Mitchell County Texas (2)
-
Navarro County Texas (1)
-
Ochiltree County Texas (1)
-
Reagan County Texas (1)
-
Reeves County Texas (2)
-
Scurry County Texas (2)
-
Sterling County Texas (1)
-
Tarrant County Texas
-
Fort Worth Texas (1)
-
-
Texas Panhandle (1)
-
Trinity Aquifer (1)
-
Upton County Texas (1)
-
Ward County Texas (1)
-
West Texas (19)
-
Winkler County Texas (1)
-
Wise County Texas (2)
-
-
U. S. Rocky Mountains
-
Bighorn Mountains (1)
-
-
Utah
-
Grand County Utah (1)
-
San Juan County Utah (2)
-
San Rafael Swell (1)
-
Utah County Utah (1)
-
-
Washington
-
Benton County Washington
-
Richland Washington (1)
-
-
Hanford Site (1)
-
-
West Virginia (3)
-
Western U.S. (1)
-
Wyoming
-
Big Horn County Wyoming (1)
-
Carbon County Wyoming (1)
-
Natrona County Wyoming (2)
-
Rock Springs Uplift (1)
-
Sublette County Wyoming
-
Pinedale Anticline (2)
-
-
Teapot Dome (5)
-
-
-
Wilmington Field (2)
-
-
commodities
-
bitumens
-
asphalt (4)
-
-
brines (19)
-
coal deposits (1)
-
energy sources (13)
-
geothermal energy (11)
-
metal ores
-
gold ores (2)
-
uranium ores (1)
-
-
mineral deposits, genesis (1)
-
oil and gas fields (179)
-
petroleum
-
natural gas
-
coalbed methane (10)
-
shale gas (6)
-
-
shale oil (3)
-
-
placers (1)
-
tight sands (10)
-
water resources (4)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (4)
-
-
isotope ratios (3)
-
isotopes
-
stable isotopes
-
C-13/C-12 (4)
-
O-18/O-16 (3)
-
Sr-87/Sr-86 (1)
-
-
-
metals
-
alkaline earth metals
-
barium (1)
-
calcium (3)
-
magnesium (2)
-
strontium
-
Sr-87/Sr-86 (1)
-
-
-
mercury (1)
-
precious metals (1)
-
-
nitrogen (3)
-
oxygen
-
O-18/O-16 (3)
-
-
sulfur (1)
-
-
fossils
-
bacteria (1)
-
burrows (1)
-
Invertebrata
-
Porifera
-
Stromatoporoidea (1)
-
-
Vermes (1)
-
-
microfossils (1)
-
palynomorphs (1)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Pleistocene (3)
-
-
Tertiary
-
middle Tertiary
-
Talang Akar Formation (1)
-
-
Neogene
-
Etchegoin Formation (2)
-
Miocene
-
Antelope Shale (2)
-
Guantao Formation (1)
-
lower Miocene (2)
-
middle Miocene (2)
-
Oficina Formation (1)
-
Temblor Formation (2)
-
upper Miocene
-
Santa Margarita Formation (1)
-
Tortonian (1)
-
-
-
Ogallala Formation (1)
-
Pliocene (7)
-
-
Paleogene
-
Eocene (3)
-
Oligocene
-
Frio Formation (2)
-
upper Oligocene (1)
-
-
Paleocene
-
upper Paleocene
-
Thanetian (1)
-
-
-
Tyonek Formation (1)
-
-
-
Tulare Formation (4)
-
-
Mesozoic
-
Cretaceous
-
Colorado Group (3)
-
Comanchean
-
Rodessa Formation (2)
-
-
Lower Cretaceous
-
Agrio Formation (1)
-
Bluesky Formation (1)
-
Clearwater Formation (5)
-
Mannville Group (3)
-
McMurray Formation (15)
-
Rodessa Formation (2)
-
-
Mancos Shale (1)
-
Natih Formation (2)
-
Upper Cretaceous
-
Campanian (2)
-
Cardium Formation (3)
-
Cenomanian (1)
-
Codell Sandstone Member (1)
-
Eutaw Formation (1)
-
Gulfian
-
Eagle Ford Formation (4)
-
Woodbine Formation (1)
-
-
Kirtland Shale (1)
-
Mesaverde Group (1)
-
Neuquen Group (1)
-
Niobrara Formation (2)
-
Senonian (1)
-
Turonian (1)
-
Tuscaloosa Formation (2)
-
Williams Fork Formation (1)
-
-
Viking Formation (2)
-
-
Jurassic
-
Heather Formation (2)
-
Lower Jurassic
-
lower Liassic (1)
-
Sinemurian (1)
-
-
Middle Jurassic
-
Bajocian
-
Brent Group (3)
-
-
Bathonian
-
Great Oolite Group (1)
-
-
-
Upper Jurassic
-
Arab Formation (1)
-
Fulmar Formation (1)
-
Haynesville Formation (1)
-
Kimmeridge Clay (2)
-
Oxfordian (1)
-
Sundance Formation (2)
-
-
-
Statfjord Formation (1)
-
Triassic
-
Lower Triassic (2)
-
Middle Triassic
-
Doig Formation (1)
-
-
Montney Formation (5)
-
Upper Triassic
-
Rhaetian
-
Penarth Group (1)
-
-
Yanchang Formation (1)
-
-
-
Vaca Muerta Formation (2)
-
-
Paleozoic
-
Arbuckle Group (1)
-
Berea Sandstone (1)
-
Cambrian
-
Upper Cambrian
-
Copper Ridge Dolomite (2)
-
-
-
Carboniferous
-
Benxi Formation (1)
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian
-
Barnett Shale (6)
-
Charles Formation (2)
-
Lower Mississippian
-
Tournaisian (1)
-
-
Upper Mississippian
-
Chesterian
-
Aux Vases Sandstone (1)
-
Cypress Sandstone (1)
-
-
Meramecian
-
Sainte Genevieve Limestone (1)
-
-
-
-
Namurian (1)
-
Pennsylvanian
-
Herrin Coal Member (1)
-
Middle Pennsylvanian
-
Danville Coal Member (1)
-
Desmoinesian (2)
-
Paradox Formation (1)
-
-
Morrow Formation (1)
-
Pottsville Group (1)
-
Springfield Coal Member (1)
-
Upper Pennsylvanian
-
Canyon Group (1)
-
-
-
Upper Carboniferous
-
Westphalian (1)
-
-
-
Devonian
-
Lower Devonian (1)
-
Middle Devonian
-
Marcellus Shale (3)
-
Onondaga Limestone (1)
-
-
Slave Point Formation (1)
-
Thirtyone Formation (1)
-
Upper Devonian
-
Frasnian
-
Leduc Formation (1)
-
-
Grosmont Formation (6)
-
Nisku Formation (2)
-
-
-
Hunton Group (1)
-
Knox Group (1)
-
lower Paleozoic
-
Rose Run Sandstone (1)
-
-
Minnelusa Formation (1)
-
Ordovician
-
Lower Ordovician
-
Beekmantown Group (1)
-
Ellenburger Group (3)
-
-
Middle Ordovician
-
Saint Peter Sandstone (1)
-
Simpson Group (1)
-
-
Trenton Group (1)
-
Upper Ordovician
-
Yeoman Formation (1)
-
-
Utica Shale (1)
-
-
Permian
-
Glorieta Sandstone (1)
-
Guadalupian
-
Bell Canyon Formation (2)
-
Brushy Canyon Formation (2)
-
Cherry Canyon Formation (1)
-
Delaware Mountain Group (2)
-
Grayburg Formation (2)
-
Queen Formation (1)
-
-
Lower Permian
-
Abo Formation (1)
-
Cherry Canyon Formation (1)
-
Leman Sandstone Formation (2)
-
Leonardian
-
Bone Spring Limestone (1)
-
Clear Fork Group (3)
-
-
Wolfcampian (1)
-
-
Rotliegendes (2)
-
Shihezi Formation (1)
-
Upper Permian
-
Zechstein (1)
-
-
Yeso Formation (1)
-
-
Silurian
-
Middle Silurian
-
Clinton Group (1)
-
Guelph Formation (1)
-
-
Niagaran (3)
-
-
Tensleep Sandstone (7)
-
upper Paleozoic
-
Antrim Shale (1)
-
Bakken Formation (4)
-
Shanxi Formation (1)
-
-
Weber Sandstone (3)
-
-
Precambrian
-
upper Precambrian
-
Proterozoic
-
Paleoproterozoic
-
Hemlock Formation (1)
-
-
-
-
-
-
metamorphic rocks
-
metamorphic rocks (1)
-
turbidite (10)
-
-
minerals
-
carbonates
-
calcite (3)
-
dolomite (4)
-
siderite (2)
-
-
hydrates (1)
-
minerals (4)
-
silicates
-
chain silicates
-
pyroxene group
-
clinopyroxene
-
diopside (1)
-
-
-
-
framework silicates
-
feldspar group (1)
-
silica minerals
-
quartz (1)
-
-
-
sheet silicates
-
chlorite group
-
chlorite (4)
-
-
clay minerals
-
kaolinite (4)
-
montmorillonite (1)
-
smectite (3)
-
-
corrensite (1)
-
illite (6)
-
-
-
-
Primary terms
-
Africa
-
Central Africa
-
Angola (1)
-
Equatorial Guinea (1)
-
-
North Africa
-
Algeria
-
Berkine Basin (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (2)
-
-
-
Morocco
-
Moroccan Atlas Mountains
-
High Atlas (2)
-
-
-
-
Southern Africa
-
South Africa
-
Klerksdorp Field (1)
-
Witwatersrand (1)
-
-
-
West Africa
-
Nigeria
-
Niger Delta (1)
-
-
-
-
Arctic Ocean
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Norwegian Sea
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enhanced recovery
Exploring for unswept gas: Integrating reservoir models, production data, and fault seal analysis in the Northern Carnarvon Basin, Australia
Peace River Induced Seismic Monitoring (PRISM) Nodal Seismic Array
The impact of CO 2 -enhanced oil recovery on oil production and lifespan of old oil pools: A Canadian example
Micropore Structure Characteristics and Recoverability Evaluation of Typical Shale Oil Reservoirs
Using core to reduce risk and deliver added business value throughout field life: a carbonate reservoir focus
Abstract The role of the subsurface team is to reduce technical risk and uncertainty associated with profile delivery, for both hydrocarbon production and the injection of water or gases, enabling confident reservoir management and investment decisions. Core is a key resource for delivering this objective, providing the only opportunity to directly observe and measure the reservoir rock. However, it is expensive to acquire and the decision to take new core should be clearly linked to a business objective. A combination of depositional and diagenetic factors can result in carbonate reservoirs being highly heterogeneous, making them a challenge to find and develop. Core studies can significantly improve understanding of the controls on heterogeneity and its distribution within the subsurface, but to maximize value, they should be fully integrated with wireline logs, seismic and production or test data to predict likely reservoir behaviour. For example, thin (<1 m) high or low permeability zones can dominate production yet remain very subtle or undetectable in wireline log or seismic data alone. During exploration and appraisal, sufficient data and knowledge are required to enable appraise/develop or walk-away decisions. Appropriate geological description of core material helps to establish original volumes in place, net-to-gross, depositional setting, age, reservoir architecture and large-scale flow zones. Core material can also help establish other key reservoir parameters such as saturation, reservoir fluids, seismic rock properties and geomechanical properties as well as influence decisions such as well design, development strategy and facility requirements. As a field is developed and production matures, reservoir behaviour may change and detail of the sedimentology, structure, diagenesis, baffles and thin heterolithic permeability zones may become more important. In carbonate reservoirs, this often requires the integration of existing legacy core or new core material and targeted surveillance data, such as injection and production logging tool (ILT/PLT) or saturation logs, to understand the stratigraphic, depositional and diagenetic controls on flow units and improve predictive capability. Moving a reservoir from natural depletion onto waterflood or enhanced oil recovery (EOR) may need more advanced core-based data from core flood experiments to deliver maximum value from the reservoir. New core material, or detailed review and new sampling of existing or analogue legacy core, may be required to understand complex rock–fluid interactions and the value that waterflood or EOR could bring to a development. To maximize the value and insights gained from core, it is essential to use it throughout a field's life. High quality description and a well-considered sampling regime should be carried out at the earliest opportunity to provide baseline data. However, periodically revisiting the core enables the entire subsurface team to keep testing hypotheses and refreshing models. Where there is no core material available in the field, analogue field core can be especially useful both to narrow uncertainty and explore possible alternative models. A multi-disciplinary approach integrating new data with core observations helps refine and improve predictions and can lead to the identification of significant additional opportunities as reservoir behaviour matures and field development progresses.