eng. ch. rama krushna chary drilling waste management
TRANSCRIPT
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By
CH. Rama Krushna Chary
Executive Secretary – Env. PS, ASSE USA
Date & Time: 8th April 2015 & 10.30 to 11.00 AM
E-mail ID: [email protected]
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Drilling Background
Overview of Drilling Wastes
Waste Management Hierarchy
Waste Management Strategy
Barriers of Waste Management
Opportunities of Sound Waste Management
Conclusion
Q&A Session
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As per US EIA , World Energy demand is
increasing.
Drilling operations are expanding to produce
required quantity of crude oil.
Drilling waste management is playing a critical
role for successful drilling and production.
Proper application of waste management
principles are required
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Exploration
Drilling
Completion
Production
Abandonment
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“The well is created by drilling a hole
into the earth with a drilling rig to bring
hydrocarbons to the surface”
Rig bottom Part during 1940 Rig bottom Part – Present
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claration of an organization's EnMS.
S.No Type of Waste Main
Components
Possible Env. Significant
Constituents
1 Waste
lubricants
Lube oil, grease Heavy metals, organics
2 Spacers Mineral oil,
detergents,
surfactants
Hydrocarbon, alcohol,
aromatics
3 Spent/
contaminated
water based
muds
(include brine)
Whole mud,
mineral oil,
biodegradable
matters
Heavy metals, inorganic
salts, biocides,
hydrocarbons, solids/
cutting, BOD, Organics
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claration of an organization's EnMS.
S.No Type of
Waste
Main
Components
Possible Env. Significant
Constituents
4 Water based
muds cutting
Formation solids,
water based
muds mineral oil
Heavy metals, inorganic
salts, biocides, solid/
cutting, hydrocarbons
5 Spent/conta
minated oil
based muds
Whole mud
mineral oil
Hydrocarbons, heavy
metals, inorganic salts,
solids, BOD, organics,
surfactants
6 Oil based
muds
cuttings
Formation solids,
oil based muds
Heavy metals, inorganic
salts, hydrocarbons,
solid/cutting
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claration of an organization's EnMS.
S.No Type of
Waste
Main Components Possible Env. Significant
Constituents
7 Spent bulk
chemical
Cement, bentonite,
barites, viscosities,
thinners, fluid loss
reducers, speciality
product
Heavy metals,
hydrocarbon, organics,
solids
8 Spent
special
products
H2S scavengers,
defoamers, tracers
Zinc carbonates, iron
oxides, hydrocarbons,
silicon oils, potassium
salts, radioactive
material Source: H. Bashat, “Managing Waste in Exploration and Production Activities of the Petroleum Industry,”
Environmental Advisor, SENV, 2002.
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Disposal
Treatment
Recycling/ Reuse
Source Reduction
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Drilling Practices which Minimize Generation of
Drilling Wastes
Directional Drilling
Drilling Smaller Diameter Holes
Drilling Techniques that use Less Drilling Fluid
Using Muds and Additives with Lower
Environmental Impacts
Synthetic-based Muds
New Drilling Fluid Systems
Alternate Weighting Agents
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Recycling:
The reprocessing of waste into the same or a
different product.
Ex: Separation of Drilling cuttings from the OBM.
Reuse:
The reuse of a material on more than one
occasion.
Ex: Reusing of OBM after separation of drilling
cuttings from it.
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Thermal Incineration
Thermal Desorption (Direct & Indirect)
Bioremediation
Vermiculture
Stabilization and use as a construction material
Solvent Extraction using Super Critical CO2
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Onsite burial (Pits, Landfils)
Discharge to Ocean
Commercial disposal facilities
Slurry Injection
land application
Disposal in salt Cavern
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1 •Development
2 •Implementation
3 •Review
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Development Legal Implications
Environmental Issues
Identify & Quantify
Identify a Team
Prepare Action Plan
Get Approval
Possible Disposal
options
Select Waste
Transporters
Implementation
Adoption and
launch
Dissemination
Information &
data Collection
Monitoring
Review Assessment
Replicating
Success
Learning from
mistakes
Adjustment of
the Strategy
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1 •Operational barrier
2 •Environmental barrier
3 •Economic barrier
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1 •Social Opportunities
2 •Environmental Opportunities
3 •Economic Opportunities
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Creating employment
Integrating and professionalizing employment
Delivering attractive and pleasant human
settlements and better social amenity
Encouraging changes in community attitudes and
behaviors
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Preventing Environmental Impacts
Protecting human health in communities
Minimizing risks associated with hazardous waste
Improving occupational health
Reducing greenhouse gas emissions
Reducing litter and odour
Avoiding flood risks
Encouraging Resource Efficiency
Reducing the demand for primary raw materials
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Increasing Business Opportunities
Contributing to GDP
Providing savings to Businesses
Achieving economic savings
Productivity, lower medical costs, better
environmental quality and the maintenance of
ecosystem services.
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“Drill the Well Environment friendly and
contribute for Sustainable Development”
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For more details contact @ [email protected]