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It’s Tornado Season…. Are You Ready?. Cactus Drilling Company L.L.C. In This Presentation…. Learn how to recognize Tornado Warning Signs Implement Company Emergency Procedures. Severe Weather Does Kill!. What to do when severe weather approaches….

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Presentation Transcript
slide1

It’s Tornado Season…

Are You Ready?

Cactus Drilling Company L.L.C.

slide3

In This Presentation…

  • Learn how to recognize Tornado Warning Signs
  • Implement Company Emergency Procedures
slide5

What to do when severeweather approaches…

  • Know the difference betweena Watch and a Warning
  • Designate a safe locationat the worksite
slide6

Signs of Tornado Formation

Dark, often greenish sky, loud freight train roar

slide7

Wall Cloud…

Straight line winds…and baseball size hail

slide8

Cactus Policies

Protect your crew during:

  • Lightning
  • Tornadoes
  • High Wind
slide10

If a Lightning Storm isnear the rig location …

Suspend

operations

Shut Down

Rig

(When Possible)

Seek

Shelter

slide12

If you are under a Tornado WARNING…

SHUT DOWN Rig

Immediately

Seek Shelter

(Change House)

slide15

Derrickman

Must Not Be in the Mast

slide16

Modern Forecasting

Doppler Radar

slide17

Typical Damage

Tree Branches Broken

Mobile Homes pushed off foundation

Considerable damage Mobile home demolished Trees uprooted

Roofs and walls blown down Cars Thrown

Well-constructed buildingsleveled

Massive destruction, autos

thrown as far as 100 meters

Emergency Weather Procedures

Fujita Tornado Scale

Scale

Wind Speeds

40-72 mph

F-0

73-112 mph

F-1

113-157 mph

F-2

150-205 mph

F-3

207-260 mph

F-4

261-310 mph

F-5

slide18

Satellites Provide

Current Weather Conditions

Emergency Weather Procedures

slide19

Sat Feed is often

Knocked Out

by Storm Systems

slide20

Public Alert Certified Radio…

First Line of Defense

Automatically

Tunes in

Latest Atmospheric

Information

Weather is

Localized to

Phone Location

slide21

Equipment house

designed to withstand a Tornado

Provides Human Shelterin Emergencies

Change House

slide22

30ft

8ft

8ft

Change House

Dimensions

slide23

Change House Shelter Specifications

Structure:

Rigid

Height:

8 ft.

Width:

8 ft.

Length:

30 ft.

Weight:

15,000lbs (approx)

Cross Section:

Square (Wind normal to face)

Moderately Smooth

Surface:

Wind Velocity:

Up to 300mph

slide24

Change House Shelter Specifications

Building Category:

IV Hurricane or F5 Tornado

Anchor Pull Test:

4@10,000 Each

Earth Screw/anchor length:

68 in.

11/16 in.

Rod diameter

Helix diameter:

8 in.

11,000 lbs.

Holding power in normal soil:

Anchor weight:

26lbs

slide25

Anchored Fastenings

from Change House

to Ground

slide27

68”

68”

slide30

Your Change House

is Your Safe House

Use it to Save Lives!

Cactus Drilling Company L.L.C.