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3 - Subpart O
Emergency Support Systems (ESS) (68-80)
28
Other
Professional
09/16/2017

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Cards

Term
SCSSV
Definition
required to close within 2 minutes after the SSV closes.
Term
ASH
Definition
monitors the combustible gas accumulation in a building and other locations of the platform.
Term
5 %
Definition
LEL of natural gas (Methane) is _______ % by volume
Term
Toxic Gas Detection (OSH)
Definition
System capable of sensing a minimum of 10 ppm of H2S in the atmosphere
Term
20 ppm
Definition
Activate audible and visual alarms when the concentration of H2S in the atmosphere reaches ______
Term
Toxic Gas Detection(OSH)
Definition
Tested every 14 day and also @ least once every 24 hours when conducting wireline or other workover operations
Term
Vents
Definition
installed on atmospheric sumps for the purpose of safely dissipating hydrocarbon vapors and preventing Overpressure and Underpressure
Term
SSSV
Definition
installed in the well-bore below the wellhead, to prevent uncontrolled well flow, in the event of an emergency situation.
Term
100'
Definition
SSSV must be _______ ft or more below the mud line & within 2 days after production is established.
Term
400cc of liquid or 15 scf of gas per minute
Definition
SSSV allowable leakage rate or tolerance
Term
Surface Controlled Subsurface Safety Valves (SCSSV)
Definition
SSSV in the well-bore that is controlled by hydraulic fluid pressure from a Hydraulic Control Panel on the platform.
Term
ESD system and/or a fire loop (TSE)
Definition
SCSSV should shut in when activated by ______ & must close in not more than 2 minutes after the shut-in signal has closed the SSV.
Term
SubSurface Control Subsurface Safety Valve (SSCSV)
Definition
AKA Velocity Valve or Storm Choke

Excessive well flow (high flow velocity) will result in the valve
closing.
Term
Landing Nipple or in the tubing itself
Definition
SSCSV can be installed in a _____ or _______
Term
1. TSE
2. USH
3. YSH
Definition
List 3 Fire Detection System
Term
Gas detection
Definition
required in all building enclosures where ventilation cannot prevent 25% of the lower explosive limit of hydrocarbon vapors.
Term
1. ESD System (Emergency Shutdown)
2. Fire Detection System (TSE/USH/YSH)
3. Combustible Gas Detection (ASH)
4. Adequate Ventilation
5. Containment System
6. Sumps
7. SSSV (Subsurface Safety Valve)
Definition
List the 7 ESS's
Term
ESD
Definition
activated it will initiate shutdown of all wells (SSVs and SCSSVs) and other production process systems, including all pipeline SDVs.
Term
1. Production Process Equipment
2. Compressors and Pumps
3. Pipeline SDV
4. All Wellhead SSVs
Definition
4 things that need to shut in Within 45 seconds of an ESD activation
Term
a designed temperature (160 degree F)
Definition
Fusible elements normally are metallic plugs/caps that melt
at ____ temperature
Term
1. Flame (USH)
2. Thermal (TSH)
3. Smoke (YSH)
Definition
3 Pneumatic fusible element (TSE) systems or electrical fire detection devices
Term
Electrical Fire Detection
Definition
devices utilized to activate alarms, initiate shut-in actions, or activate fire suppression systems.
Term
Gravity piping
Definition
prevent the escape of gas from sumps through the drains.
Term
Sumps
Definition
equipped with an automatic discharge to handle maximum inflow.
Term
Flare / Vent Scrubber
Definition
pressure vessel designed to handle the maximum instantaneous flow rate to remove any liquid hydrocarbons If gas is discharged from a pressure vessel
Term
Flame Arrestors
Definition
used in Vent systems to reduce the danger of combustion within the component from an external ignition source.
Term
Pneumatic Supply System
Definition
provides control medium for the surface safety system and provides the power at an adequate pressure to operate actuators on control and shutdown valves, plus safety devices
Term
air
Definition
If ________ is a pneumatic supply source, designed to prevent the mixing of air and hydrocarbon gases, from process or utility system
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