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British Columbia Mine Reclamation Symposium
Oil & gas wellsite reclamation criteria in Alberta : bioremediation of invert drilling waste Shergill, Ranju
Abstract
The fundamental principle of wellsite reclamation criteria is that reclaimed site conditions are to be assessed by comparing them to documented pre-disturbance conditions, or adjacent lands. The differences must not interfere with normal land use and must support comparable self-sustainable growth. Proper waste management and disposal methods which permit drilling operations to take place with temporary effects on the land, while also reducing the cost and time required to obtain final reclamation, are integral steps in successful site reclamation. The goal of all disposal options is to protect the environment and return the disposal site and any affected areas to equivalent land capability. Landfarming is a drilling waste disposal option for heavy invert mud system. By applying the drilling wastes over a selected plot of land and keeping the waste application within loading limits set by ERCB, landfarming is a productive efficient method of reclaiming contaminated sites. Landfarming may take place in either the topsoil or the subsoil, although the topsoil has been shown to provide a more favorable environment for microbial biodegradation of hydrocarbons in invert drilling muds. Due to the soil texture, nutrient availability and increased aeration, landfarming in the topsoil may lead to a more efficient and faster degradation rate of the drilling waste.
Item Metadata
Title |
Oil & gas wellsite reclamation criteria in Alberta : bioremediation of invert drilling waste
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Alternate Title |
Oil and gas wellsite reclamation criteria in Alberta : bioremediation of invert drilling waste
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Creator | |
Contributor | |
Date Issued |
1995
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Description |
The fundamental principle of wellsite reclamation criteria is that reclaimed site conditions are to be assessed by comparing them to documented pre-disturbance conditions, or adjacent lands. The differences must not interfere with normal land use and must support comparable self-sustainable growth.
Proper waste management and disposal methods which permit drilling operations to take place with temporary effects on the land, while also reducing the cost and time required to obtain final reclamation, are
integral steps in successful site reclamation. The goal of all disposal options is to protect the environment and
return the disposal site and any affected areas to equivalent land capability.
Landfarming is a drilling waste disposal option for heavy invert mud system. By applying the drilling wastes over a selected plot of land and keeping the waste application within loading limits set by ERCB, landfarming is a productive efficient method of reclaiming contaminated sites.
Landfarming may take place in either the topsoil or the subsoil, although the topsoil has been shown to provide a more favorable environment for microbial biodegradation of hydrocarbons in invert drilling muds. Due to the soil texture, nutrient availability and increased aeration, landfarming in the topsoil may lead to a more efficient and faster degradation rate of the drilling waste.
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Extent |
260686 bytes
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Genre | |
Type | |
File Format |
application/pdf
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Language |
eng
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Date Available |
2009-07-15
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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DOI |
10.14288/1.0042276
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Other
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Copyright Holder |
British Columbia Technical and Research Committee on Reclamation
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Rights URI | |
Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International