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Bibliographic Citation

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Title:	Instrumentation for granite test No. 1
Creator/Author:	Dennis, B.R. ; Potter, R.M.
Publication Date:	1974 Jan 01
OSTI Identifier:	OSTI 4306576
Report Number(s):	LA-UR--74-503; CONF-740504--2
DOE Contract Number:	None
Document Type:	Technical Report
Specific Type:
Coverage:
Resource Relation:	Conference: 20. international instrumentation symposium, Albuquerque, New Mexico, USA, 21 May 1974; Other Information: Orig. Receipt Date: 30-JUN-74
Other Number(s):
Research Org:	Los Alamos Scientific Lab., N.Mex. (USA)
Sponsoring Org:
Subject:	N80200* --Energy Utilization & Economics; *GEOTHERMAL ENERGY-- MEASURING INSTRUMENTS; DESIGN; ENERGY SOURCES; FRACTURES; GRANITES; HYDRAULICS; NEW MEXICO; PRESSURE MEASUREMENT; ROCKS; VOLCANOES
Keywords:	Geothermal Legacy
Description/Abstract:	From 20th international instrumentation symposium; Albuquerque, New Mexico, USA (21 May 1974). Initial measurements to evaluate the feasibility of extracting energy from hot-dry rock in Precambrian basement (granite) employing hydraulic-fracturing techniques were explored in the LASL Granite Test Hole No. 1. Following a series of hydrology experiments in the 785-m (2575 ft) depth hole, preparations were made to instrument a series of hole-pressurization and hydraulicfracturing experiments. The instrumentation was designed to measure breakdown pressure, crack-extension pressure, and shut-in pressure for each fracture and to determine principle tectonic stresses, breakdown stress for hydraulic fracturing, and leak-off rate for fracturing fluid. (auth)
Publisher:
Country of Publication:	US
Language:	English
Size/Format:	Medium: P; Size: Pages: 23
Rights:
Availability:	Dep. NTIS
System Entry Date:	2012 Dec 12
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