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What if you had a blowout tomorrow?

Blowout Hazards–Radiant Heat–Noise!!!! (120dB)

• No Fire–Explosion –Methane Exposure –Explosion–Oxygen Deficiency–Explosion

Radiant Heat Consequences • A 50 MMscf/d Fire would:

–Produce a 140’ Flame–Metal failure within 50 feet–Spontaneous ignite all

wood/paper/houses within 50 ft–Burn people within 100 feet if

unprotected after 1 min

Gas Hazardous Environment• Large Radius of hazardous

environment from gas plume• Evacuation of All Residents within

1 to 3 miles is common• Aerial Evacuation of 2 to 3 miles

w/ altitude of 4000 feet• Risk of ignition

1 Mile Radius ofGas Storage WellIn Strip Center Parking Lot

• When Unable to Control from Surface – options?–Wait for well to bridge–Drill a Relief Well

–Mobilize Appropriate Rig–Directional & Ranging Work–Dynamic Kill–$$$$$$$ and time

Where will you put the Relief Well ?

Gas Storage Well•Frequently in urban environment

•Cavern storage•5 – 15 BCF

•Cavern evacuated +/- 7 days• Intense thermal effects•Potential cavern collapse

Your World would Change in Heartbeat

IR Radiation Zones

0

500

1,000

1,500

2,000

2,500

0 1,000 2,000 3,000 4,000 5,000 6,000 7,000

MMcf/d

Dis

tanc

e fr

om F

lam

e C

ente

r (ft)

Safe Zone

Hot Zone

Eqpt Damage

Flame ht

>3 kW/m2

<1.6 kW/m2or 500 BTU/hr/ft2

>15 kW/m2or 5000 BTU/hr/ft2

Equipment Requiredfor a Typical Blowout

• Fire Pumps (4000+ GPM) & Monitors• Water Source ( 2 Million Gal/day) 6 Ac-ft • Heat Shielding• Athey Wagon & Venturi Tube• Capping Stack• Tools, hoses, pipe and connections• Heavy Equipment

– D8 Dozer w/ Ripper, D8 Dozer w/ winch– 235 Cat Trackhoe– 150 ton Crawler Crane w/ 100’ boom– Rough Terrain front end loader/forklift

Typical American City FD Pumper has a 1000 GPM capacity

Water Storage (6 Ac-ft)1 Ac that is 6’ deep (210’ x 210’ x 6’)

Or 2 MM gallons

Gas wells take 3000 to 6000 GPM for water curtain

Where will you get the water?

EquipmentHeat Shielding

Capping Stack on

Athey Wagon

DoubleBlindRams

Venturi Tube over Well

Trackhoe & Fork Lift

Heat Shielding & Water Curtain

D8 Cat w/ WinchAthey Wagon and Abrasive

Jet Cutter Attached

Abrasive Jet Cutter

Abrasive Jet Cutter Requirements

• Hydraulic Horsepower (2,000 hhp)

• Pumping Iron• Sand Requirements

(20/40 Ottawa preferred)

Capping Stack

Well Just before Closing Blind Rams, Diverter Lines Open, Water flow into BOPs Stopped

Blind Rams ClosedWell on Diversion

Flare Ignited

Equipment Deployment

-time is money….

Antonov 225/124

IAH

Loading the Antonov 225/124

Offshore Firefighting Considerations

• In Some Areas, Marine Vessels With Substantial Firefighting Capabilities (10,000 to 20,000 gpm) are Limited.

MV Dino Chouest18,000 gpm water cannons in use to protect platform from further damage if well ignites. Note huge amount of water coverage

A phone call is free!

1-800-BLOWOUT0 (1) 281-931-8884