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Environmental Compliance and Engineering for Oil & Gas E&P Activities. Mark Shemaria Freemont AP Environmental December 2007 mark.shemaria@tidelandsoil.com. Why do we need Environmental ?. Business today has a Triple Bottom Line: Economic performance; Social performance;

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environmental compliance and engineering for oil gas e p activities
Environmental Compliance and Engineering for Oil & Gas E&P Activities

Mark Shemaria

Freemont AP Environmental

December 2007

mark.shemaria@tidelandsoil.com

why do we need environmental
Why do we need Environmental ?
  • Business today has a Triple Bottom Line:
    • Economic performance;
    • Social performance;
    • Environmental performance.
sustainable development
Sustainable Development
  • “meeting the needs of the present without compromising the ability of future generations to meet their own needs”
environmental for e p activities
Environmental for E&P Activities
  • You must have:
    • Strong Leadership & Management Commitment;
    • Engage staff from across all disciplines;
    • Focus on practical & understandable;
    • Recognize that much is already done;
    • Share experiences & Learn;
    • Take it step by step.
characterization
Characterization
  • Environmental Aspects: How do we impact the environment?
    • How/what do we Generate?
    • How do we Manage?
environmental

Environmental?

Doing what we do

Right!

slide7
Air
  • Permitting
    • Tanks & Process Systems
    • Combustion Devices
    • Large Sources - 4 or 10 tons per year
    • Timing – weeks/months
  • Title V = paper work
table 1 common e p industry air emissions
Table 1 – COMMON E&P INDUSTRY AIR EMISSIONS

EmissionsType of Generating Activity

VOC Fugitive emissions, product storage, process venting, combustion

H2S Well-casing gas venting, flaring, process venting

SOx Sour-gas combustion

NOx Combustion (flaring, IC)

CO Combustion (flaring, IC)

PMCombustion, dust (construction, roads)

water
Water
  • Permits
    • Class II Wells – Title 14 CCR Division 2
    • NPDES/Storm Water
  • Spill Plans
    • OSPR Title 14 CCR Division 1 SD 4
    • SPCC – 40 CFR 112 (Feb 06)
table 2 common e p industry water discharges
Table 2 – COMMON E&P INDUSTRY WATER DISCHARGES

DischargeType of Generating Activity

Produced water Production Operations

Completion fluids Well completions

Well-treatment fluids Well workovers

Rig Wash Drilling operations

Hydro test water Pipeline, flowline testing

Storm water Runoff from drilling, production sites

Sewage All operations

waste
Waste
  • Hazardous 40 CFR & Title 22 CCR
  • Non-Hazardous
    • Designated – oily waste (crude)
    • Debris/trash
    • Special (electrical stuff)
table 3a common e p industry solid wastes
Table 3a – COMMON E&P INDUSTRY SOLID WASTES

Solid WasteType of Generating Activity

Oily soil Leaks and spills

Tank bottoms/Scale Crude oil storage and maintenance

Solvents/chemicals Cleaning, analysis & operations

Lube fluids/filters Vehicle, equipment maintenance

Acid & caustic Well Treatment, Scrubber operations

Cement Drilling and completion operations, construction

Drill fluids/cuttings Drilling operations 3-a

table 3b common e p industry solid wastes
Table 3b – COMMON E&P INDUSTRY SOLID WASTES

Solid WasteType of Generating Activity

NORM Production maintenance, well workovers

H2S & VOC scrubber Scrubber operations/Activated carbon

Paint waste Drilling and production maintenance

Empty containers Drilling and production operations

Batteries Vehicle, equipment maintenance Trash/rags All operations

Radioactive tracers Drilling operations

Concrete, steel Facility & pipeline abandonment

table 4 source reduction through purchasing practices
Table 4 –SOURCE REDUCTION THROUGH PURCHASING PRACTICES

Solid WasteType of Generating Activity

Solvents Purchase low-toxicity/hazard/VOC solvents and purchase only amount needed; return unused portion.

Containers Purchase supplies in bulk containers; include requirement in contract that containers must be returned to vendor.

Chemicals Purchase only amount needed; return unused portion.

Lubricants Avoid ones containing chlorinated solvents and purchase only amount needed; return unused portion.

Packaging Require minimal or recyclable packaging.

Thread protectors Add requirement in contract that protectors must be returned to vendor.

table 5 source reduction through storage distribution procedures
Table 5 – Source Reduction Through Storage/Distribution Procedures

PollutantStorage/Distribution Procedure

Contaminated soil Pipeline operating & maintenance procedures. Protect containers, store with secondary containment, and properly secure during transportation.

Chemicals Keep container labels from weathering to ensure contents can be identified. Use safe lifting procedures to prevent leaks.

Storm Water Cover storage area to prevent contact.

table 6 source reduction through product material substitution
Table 6 – SOURCE REDUCTION THROUGH PRODUCT/MATERIAL SUBSTITUTION

PollutantProduct/material Substitution Procedure

Solvents Use nonhazardous solvents.

Paint Use minimal-hazard paint products and thinners.

Pipe dope Use heavy-metal-free dope.

Antifreeze Use minimal-hazard antifreeze (propylene glycol).

SOx emissions Use low-sulfur fuels.

Refrigerants Use non-CFC refrigerants.

Oil-based drill

fluids Use synthetic drilling fluids.

Laboratory waste Use minimal-hazard lab materials.

Aerosol cans Purchase materials in nonaerosol form.

table 7 source reduction through equipment process modification
Table 7 – SOURCE REDUCTION THROUGH EQUIPMENT/PROCESS MODIFICATION

PollutantEquipment/Process Modification

Tank bottoms Design completions for lower solids production; keep solids suspended in tanks with mechanical agitation;

Solvents Use high-pressure wash system instead of solvents for cleaning.

NORM Segregate processing of noncompatible produced waters and minimize pressure drops to minimize precipitation.

Produced Water Design completions for lower water production.

Nox, CO emissions Use low-Nox burner; use electric instead of i-c engines; use natural gas instead of diesel engines

table 8 source reduction with control systems
Table 8 – SOURCE REDUCTION WITH CONTROL SYSTEMS

PollutantControl System

Tank bottoms Control with chemical treatment in process.

Scale Control with chemical treatment.

VOC emissions Install vapor-recovery.

SOx scrubber waste Automate control system to increase scrubber efficiency.

NORM Control with chemical treatment.

H2S, scrubber waste Automate control system to increase scrubber efficiency.

NOx, CO emissions Install electronic ignition and air/fuel ratio controllers/ install catalytic converters.

table 9 source reduction through maintenance inspection and repair
Table 9 – SOURCE REDUCTION THROUGH MAINTENANCE, INSPECTION AND REPAIR

PollutantMaintenance and Repair Activity

VOC emissions Maintain connections/seals/hatches to minimize fugitives.

Contaminated groundwater Conduct regular mechanical-integrity tests on well tubulars.

Contaminated soil Perform routine maintenance/testing and repair leaks.

table 10 source reduction through cleaning housekeeping
Table 10 – SOURCE REDUCTION THROUGH CLEANING/HOUSEKEEPING

PollutantCleaning/Housekeeping Procedure

Rig wash Sweep up solids before washing; use a high- pressure, low-volume wash unit.

Storm Water Keep equipment and process areas clean; cover process and storage areas.

table 11 source reduction through containment
Table 11 – SOURCE REDUCTION THROUGH CONTAINMENT

PollutantContainment Measure

Contaminated soil Provide containment (e.g., drip pans) around equipment with the potential to leak (e.g., valves and flanges); provide containment around process areas, storage areas, tanks, wellheads, and loading racks.

Storm Water Contain spills to prevent contamination of storm water; provide containment for storm water.

table 12 source reduction through segregation
Table 12 – SOURCE REDUCTION THROUGH SEGREGATION

PollutantSegregation Procedure

Oily rags Separate from trash so they can be cleaned and reused.

Storm Water Divert from contaminated areas.

Filters Segregate filters that can be recycled.

Trash, refuse Segregate recyclable materials (aluminum, paper, glass).

table 13 source reduction through sampling procedures
Table 13 – SOURCE REDUCTION THROUGH SAMPLING PROCEDURES

PollutantSampling Procedure

Sample wastes Use in-line analyzers instead of performing shake-our tests.

Laboratory wastes Collect only amount needed for analysis.

table 14 reuse through regeneration
Table 14 – REUSE THROUGH REGENERATION

PollutantRegeneration Practice

Solvents Send to solvent reclaimer.

Pumps, valves Send to reconditioner.

Activated carbon Send to regenerator.

Batteries Use rechargeable batteries.

table 15 reuse
Table 15 – REUSE

PollutantContainment Measure

Produced Water Inject for enhanced recovery

Drilling Fluids Closed-loop mud system, return to vendor.

Empty Containers Return to vendor.

Lube Oil Put in production.

table 16 recycle
Table 16 – RECYCLE

PollutantRecycling Measure

Oily Soil Use as asphalt for roads or berms

Tank Bottoms Use as asphalt for roads or berms, process in coker, commercial recycler

Empty Containers Recycle for scrap-metal

Trash Segregate and recycle

table 17 recycle through exchange substitution
Table 17 – RECYCLE THROUGH EXCHANGE/SUBSTITUTION

PollutantExchange Substitution Measure

Drilling Fluids Use as spud mud on next well.

Acids Use for neutralization.

Produced Water Use for agricultural/other beneficial use