Filter by location Clear
"OpenStreetMap contributors"
Products
Type
Groups
Keywords
Formats
-
NETLThe State of Alabama possesses extensive coal resources, and is a major coal producing state. Although these resources are impressive, there are many thin, deep coal seams which...
-
Dataset Size: 18.768 MB
Resource List
View within Submission
Gathering Resources... -
-
In the last decade, hydraulic fracturing and other new drilling technologies have turned North Texas into the leading shale gas-producing area in the country. But the drilling...
-
Dataset Size: 1.255 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLMore than 7,000 feet of uppermost Cretaceous and Tertiary continental strata in the northern Fossil basin, along the southern part of the western Wyoming thrust belt, is here...
-
Dataset Size: 5.592 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLDocument contains a detailed description of the Lignite Field Validation sampling program and procedures.
-
Dataset Size: 3.572 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLData collected after underground coal-gasification field tests indicated that the concentrations of organic contaminants in the ground water decrease with time, apparently due...
-
Dataset Size: 2.011 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLOperation of the Grand Forks Slagging Fixed-Bed Gasifier over the past three years has established the limitations on production rate of gas per vessel cross-section within...
-
Dataset Size: 7.927 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLThis project was undertaken to determine the chemical behavior of alkali metal and other species implicated in the ash fouling which can occur during the combustion of low rank...
-
Dataset Size: 5.796 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLThe present report updates and summarizes information presented in the above reports, emphasizing the geographic distribution, geologic occurrence, resources, grade, and...
-
Dataset Size: 10.124 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLThe objective of this research by the Bureau of Mines was to determine the technical feasibility and associated pilot data for drying minus 1/4-in coal with microwave energy at...
-
Dataset Size: 1.709 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLDistribution, abundance, and maceral content of the lithotypes in the Beulah-Zap bed of North DakotaRelationships between the maceral contents of the megascopically observable components (lithotypes) of the Beulah-Zap lignite bed follow patterns similar to those of bituminous...
-
Dataset Size: 1.004 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLThe goal of this research has been to acquire experimental data and develop mathematical models in order to analyze results from laboratory-scale and field-scale experiments on...
-
Dataset Size: 5.042 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLThe entrained down-flow tubular reactor system was modified for gasification of coal under mild reaction conditions. A data matrix was developed to investigate the effects of...
-
Dataset Size: 1.001 MB
Resource List
View within Submission
Gathering Resources... -
-
NETL"The experience of operation of underground gas generators at Angren station is generalized. The influence of blast intensity for various seam thicknesses, specific...
-
Dataset Size: 1.849 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLOne of the major constituents of lignites and other coals is the hydrogen-rich maceral-group, liptinite. Liptinite is composed of waxes, fats and oils (1) primarily from plant...
-
Dataset Size: 239.747 KB
Resource List
View within Submission
Gathering Resources... -
-
NETLHydrocarbon/water and CO2 systems are frequently found in petroleum recovery processes, petroleum refining, and gasification of coals, lignites and tar sands. Techniques to...
-
Dataset Size: 955.641 KB
Resource List
View within Submission
Gathering Resources... -
-
NETLThis specification covers the classification of coals by rank, that is, according to their degree of metamorphism, or progressive alteration, in the natural series from lignite...
-
Dataset Size: 878.347 KB
Resource List
View within Submission
Gathering Resources... -
-
NETLWith the rapidly increasing industrialization of the countries of the Western World there has arisen a growing demand for petroleum products to be used for a constantly rising...
-
Dataset Size: 5.875 MB
Resource List
View within Submission
Gathering Resources... -
-
NETLLignite tar made by low-temperature Lurgi-Spulgas carbonization of North Dakota lignite was hydrocracked in a single pass, fixed bed operation at 3,ooo pounds per square inch...
-
Dataset Size: 2.046 MB
Resource List
View within Submission
Gathering Resources... -
-
NETL"A lignite from Milam County, Tex., has been oxidized by air at temperatures from about 27° to 300· C. for varying lengths of time. The oxidized coal was carbonized at 500· C....
-
Dataset Size: 2.481 MB
Resource List
View within Submission
Gathering Resources... -
-
NETL/sup 13/C NMR measurements were made on a Texas lignite, Wyoming subbituminous coals, Illinois bituminous, Indiana bituminous, and eastern bituminous coals, and an anthracite....
-
Dataset Size: 1.212 MB
Resource List
View within Submission
Gathering Resources... -