Advanced hydraulic fracturing methods to create in situ reactive barriers

Conference · Wed Dec 31 04:00:00 EST 1997

OSTI ID:565350

Murdoch, L ^[1]; Siegrist, B; Meiggs, T ^[2]

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1. FRX Inc., Cincinnati, OH (United States)
2. Oak Ridge National Lab., TN (United States); and others

This article describes the use of hydraulic fracturing to increase permeability in geologic formations where in-situ remedial action of contaminant plumes will be performed. Several in-situ treatment strategies are discussed including the use of hydraulic fracturing to create in situ redox zones for treatment of organics and inorganics. Hydraulic fracturing methods offer a mechanism for the in-situ treatment of gently dipping layers of reactive compounds. Specialized methods using real-time monitoring and a high-energy jet during fracturing allow the form of the fracture to be influenced, such as creation of assymmetric fractures beneath potential sources (i.e. tanks, pits, buildings) that should not be penetrated by boring. Some examples of field applications of this technique such as creating fractures filled with zero-valent iron to reductively dechlorinate halogenated hydrocarbons, and the use of granular activated carbon to adsorb compounds are discussed.

• Research Organization: Oak Ridge National Lab., TN (United States)
• Sponsoring Organization: USDOE Office of Environmental Restoration and Waste Management, Washington, DC (United States)
• DOE Contract Number: AC05-96OR22464
• OSTI ID: 565350
• Report Number(s): ORNL/CP--95423; CONF-970208--; ON: DE98001942
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
ACTIVATION ENERGY
CONTAMINATION
ENVIRONMENTAL TRANSPORT
GROUND WATER
HYDRAULIC FRACTURING
IN-SITU PROCESSING
ORGANIC COMPOUNDS
PLUMES
REMEDIAL ACTION
VOLATILE MATTER