National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

Details

A Current Appraisal of Underground Coal Gasification.

PB209274

Publication Date	1972
Page Count	290
Abstract	The report describes a study to re-evaluate underground coal gasification technology. The technology was appraised to determine whether the current (1971) state of the technology offers a technically feasible method for gasifying coal underground that is applicable to reserves of bituminous and lower ran coals in the United States; whether a program of research and further development of the technology could ultimately make it a technically feasible alternative to current open-pit and underground coal mining operations; what the nature and cost of further research and development work in the technology should be. The study showed that underground coal gasification in the United States is technically feasible, but economic feasibility is yet to be determined. An annotated bibliography of 328 entries is also presented. (Author)
Keywords	Coal gasification Coal mining Reviews Evaluation Feasibility Research projects Boreholes Carbonization Coal deposits Combustion Bibliographies Joining Fracturing Coal vein linking
Source Agency	Invalid Source Agency Code
NTIS Subject Category	48A - Mineral Industries
Corporate Authors	Little (arthur D.), Inc., Cambridge, Mass.
Document Type	Technical Report
NTIS Issue Number	197213
Contract Number	SO1111357

A Current Appraisal of Underground Coal Gasification.

A Current Appraisal of Underground Coal Gasification.
PB209274

Publication Date	1972
Page Count	290
Abstract	The report describes a study to re-evaluate underground coal gasification technology. The technology was appraised to determine whether the current (1971) state of the technology offers a technically feasible method for gasifying coal underground that is applicable to reserves of bituminous and lower ran coals in the United States; whether a program of research and further development of the technology could ultimately make it a technically feasible alternative to current open-pit and underground coal mining operations; what the nature and cost of further research and development work in the technology should be. The study showed that underground coal gasification in the United States is technically feasible, but economic feasibility is yet to be determined. An annotated bibliography of 328 entries is also presented. (Author)
Keywords	Coal gasification Coal mining Reviews Evaluation Feasibility Research projects Boreholes Carbonization Coal deposits Combustion Bibliographies Joining Fracturing Coal vein linking
Source Agency	Invalid Source Agency Code
NTIS Subject Category	48A - Mineral Industries
Corporate Authors	Little (arthur D.), Inc., Cambridge, Mass.
Document Type	Technical Report
NTIS Issue Number	197213
Contract Number	SO1111357