AL MASAOOD H2S SERVICESAFETY DIVISION

DUBAI PETROLEUM

H2S BREATHING APPARATUS TRAINING

REMEMBER !

STAY ALERT AT ALL TIMES WHILE VISITING RIG SITE

AND MAINTAIN BUDDY SYSTEM WHILE ON WELL SITE

Safety Awareness • HAZARDS OF H2S• SITES WHERE IT MAY BE FOUND ON LOCATION• HEALTH HAZARDS OF H2S• ALARM SIGNALS • WIND INDICATORS AND DISPERSION• ROUTES OF EGRESS (ESCAPE)• METHOD OF RESPONSE• EMERGENCY ASSEMBLY AREAS• USES AND DONNING OF PROTECTIVE

BREATHING APPARATUS• GENERAL SAFETY RULES

HAZARDS OF H2S (HYDROGEN SULPHIDE)

• COLORLESS AND TRANSPARENT

• SMELL OF ROTTEN EGG IN LOW CONCENTRATION

• HEAVIER THAN AIR ( SPECIFIC GRAVITY 1.2 )

• VERY FLAMMABLE

• EXPLOSIVE BETWEEN 4.3% LEL AND 46% UEL

• CORROSIVE AND SKIN IRRITANT

• SOLUBLE : IN WATER, oil, sludge, well fluids and MOLTEN SULFUR .

• PRODUCE SULFUR DIOXIDE (SO2) WHEN BURN• OVER ALL H2S IS TOXIC AND DEADLY

LOCATIONS WHERE H2S CAN BE FOUND

• RIG FLOOR

• SHALE SHAKER

• BELL NIPPLE

• CELLAR

• MUD TANKS AND MUD PUMPS AREA

• CLOSED STORAGE TANKS

HEALTH HAZARDS OF H2S

1 To 10 PPM – Smell of Rotten Eggs 15 PPM – Detectable Because of the Foul smell 50 To 100 PPM – Coughing, Slight Irritation to the eyes and loss of smell 150 To 250 PPM – Loss of the Sense of Smell, Throat and Eye Irritation 250 To 350 PPM – Irritation of the eye and Respiratory Tract 350 To 450 PPM – Difficulty in Breathing ,dizziness, Serious Respiratory

Disturbance 500 To 900 PPM – Respiratory Disturbances Irritation to the eyes and

unconsciousness 1000 PPM – Unconsciousness, slow pulse, Respiratory paralysis and

DEATH.

H2S DETECTIONS & ALARMS

• SENSOR ASSEMBLIES ARE LOCATED IN HAZARDOUS AREAS

• AUDIBLE AND VISUAL ALRAMS

• LOW ALARMS ACTIVATE AT 10 PPM WITH FLSHING LIGHT ONLY AMBER( YELLOW ) FOR H2S and BLUE FOR ( LEL )

• HIGH ALARMS ACTIVATE AT 15 PPM WITH FLASHING LIGHT AND AUDIBLE ALARM ( HORN OR SIREN )

PERSONAL MONITORS

• PREFERABLY TO BE WORN AT BELT LEVEL .

• SOUNDS LOW ALARM IF H2S REACHES 10PPM WITH AUDIBLE , VISUAL AND VIBRATION ALARM .

• TEST UNIT EACH DAY FOR OPERATION/FUNCTION

NOT A MEASURING DEVICE JUST A WARNING DEVICE! WHEN THE ALARM

SOUNDS GET OUT OF THE LOCATION.

ROUTES OF EGRESS (ESCAPE)

• Escape– Know the escape routes & alarms– Wear Safety equipment– Check for wind direction– Escape crosswind and upwind to Muster Point– Remember H2s is heavier than air

• Protect– Wear SCBA– Always have a back up– Bring victim out of contaminated area– Give First-Aid

– REMEMBER THE SHORTEST ROUTE IS NOT THE SAFEST ROUTE, ALWAYS USE THE SAFEST ROUTE

– AVOID SHORTCUTS

EMERGENCY ASSEMBLY AREAS

SAFE BREATHING AREA IS LOCATEDAT 3rd LEVEL NEAR LIFE BOAT STATIONS

• CONNECT YOUR BREATHING APPARATUS AIRLINE TO THE NEAREST MANIFOLD WHILE WAITING FOR FURTHER INSTRUCTION.

• ALWAYS REMEMBER YOUR ASSINGED STATION, WHERE YOU CAN FIND YOUR NAME TO AVOID CONFUSION AND FOR US TO EASILY DISTINGUISHED IF THERE IS MISSING PERSON ONBOARD.

Crew hooked up to their manifolds

Crew wearing life jacket while BA in use

COMBINED H2S and ABANDON DRILL

Crew getting ready to board the lifeboat

Crew boarding life boat and secured with seat belts

EEBD ( Emergency Escape Breathing Device )

• APPARATUS HAS 10 OR 15 MINUTES LIFE SPAN

• DESIGNED FOR ESCAPE ONLY / NOT CERTIFIED AS A WORK SET .

• TO BE AT ARM LENGTH OR ATTACHED TO USER

• ONCE ALARM SOUNDS

• UNIT IS ACTIVATED AS POUCH IS OPENED

• PULL HOOD OVER HEAD AND ADJUST SEAL AT NECK

• MOVE TO SAFE AREA USING SAFE ESCAPE ROUTE

SABA ( Supplied Airline Breathing Apparatus

)

• APPARATUS HAS 10 OR 15 MINUTES LIFE SPAN

CYLINDER

• DESIGNED FOR WORK AND ESCAPE .

• IT HAS A PIGTAIL AIRLINE TO CONNECT TO AIRLOOP

CASCADE SYSTEM .

• THE USER FACE MUST BE

CLEAN SHAVEN

SELF CONTAINED BREATHING APPARATUS

• THIRTY MINUTE AIR SUPPLY

• CARRIED ON THE BACK

• USE FOR EITHER ESCAPE, RESCUE OR RENTRY FOR LIMITED TIME

• FULL FACE SEAL

• AIR LINE CONNECTION TO CONENCT TO CASCADE MANIFOLD .

• MUST BE CLEAN SHAVEN

THAT WHEN YOU SEE A PERSON OR A WORKMATE BECAME UNCONSCIOUS AND SUDDENLY FELL

DOWN DO NOT ATTEMP OR TRY TO HELP HIM OR ELSE YOU WILL BE

ANOTHER VICTIM IF YOU ARE IN A LOCATION WHERE H2S MAY BE PRESENT IMMEDIATELY INFORM

THE COMPANY MAN, RIG MANAGER OR THE RESCUE TEAM GIVE THEM THE EXACT LOCATION OF THE PERSON

SO THEY CAN RESPOND WITH THEIR PROPER SAFETY EQUIPMENT.

REMINDER DO NOT BE A VICTIM OF H2S

ALWAYS REMEMBER !

ANY QUESTION before we Go to

Hands On Training ?