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Projects
Project Name: Sable
Offishore Energy Inc. (SOEI) Project
Project Location: Halifax,
Nova Scotia, Canada
Owner’s Name: Exxon
Mobil
Project Description:
Envirosoil Limited (part of Municipal
Group of As a member of Offshore Waste Management
Group (OWMG), Envirosoil was responsible for transportation,
from dockside, and treatment of hydrocarbon contaminated
oilfield-drilling waste (Cuttings & Mud) from
1998 - 2000.
The Offshore Waste Management
Group (OWMG) is a consortium of companies, (Envirosoil,
Jacques Whitford Environmental, Phillip Services,
Green Waste, Atlantic Industrial Services). Each
partner brought their unique skills and abilities
to the project providing a complete waste management
and disposal service for the first offshore natural
gas development of its kind in Nova Scotia.
Oil Based Mud (OBM) waste was
delivered to Envirosoil via two distinct methods,
vacuum truck and specifically designed mud bins.
To accommodate this, Envirosoil has made several
significant modifications to its facility in Bedford,
Nova Scotia. First and foremost, Envirosoil obtained
an environmental approval allowing it to treat
barium based OBM waste. Secondly, Envirosoil established
a complete handling, storage, treatment and tracking
system for the waste, including storage capacity
for over 8000 cubic metres of semi-liquid waste.
The treatment process essentially
entails temporarily storing then blending OBM
waste with other approved contaminated soils to
achieve a homogeneous blend at lower overall hydrocarbon
levels for processing via Low Temperature Thermal
Desorption (LTTD).
The issues, which were presented
as critical to SOEI were as follows:
· Health, Safety & Environment (HS&E)
· Reduced Liability
· Cost Effectiveness
The most important advantages of the Envirosoil
LTTD treatment are:
· Excellent Record for HS&E
· Effective Treatment to non-detect levels
for hydrocarbons
· Timely & Economical Treatment
This allows the producer the comfort of knowing
the material is treated to the most stringent
requirements and provides no long term liability
concerns.
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