Surface Emissive Power (SEP)

Surface Emissive Power (SEP)

Definition(s)

Surface Emissive Power (SEP)

The heat radiated outwards from a flame per unit surface area of the flame. Units are kW/m2. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
SEP

SEP

Definition(s)

SEP

Surface Emissive Power. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Specific Heat

Specific Heat

Definition(s)

Specific Heat

The amount of heat, measured in Joules, required to raise the temperature of one kilogram of a substance by one degree C. Units are Joules/kg/ºC. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards  

Specific Heat

Heat required to raise a unit mass of a substance one degree. Source: IADC UBO / MPD Glossary, December 2011. Global Standards
PFP

PFP

Definition(s)

PFP

Passive Fire Protection Source: API STD 521, Pressure-relieving and Depressuring Systems, Sixth Edition, January 2014. Global Standards Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards Source: ISO 13702:2015, Petroleum and natural gas industries — Control and mitigation of fires and explosions on offshore production installations — Requirements and guidelines, Second Edition, August 2015. Global Standards  

PFP (passive fire protection)

Coating or cladding arrangement or free-standing system which, in the event of fire, will provide thermal protection to restrict the rate at which heat is transmitted to the object or area being protected. Source: ISO 13702:2015, Petroleum and natural gas industries — Control and mitigation of fires and explosions on offshore production installations — Requirements and guidelines, Second Edition, August 2015. Global Standards
Mass Burning Rate

Mass Burning Rate

Definition(s)

Mass Burning Rate

The mass-burning rate of a pool fire is the mass of fuel supplied to the flame per unit time, per unit area of the pool. Units are typically kg/m2/sec. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Hydrocarbon-fire

Hydrocarbon-fire

Definition(s)

Hydrocarbon-fire

A fire fuelled by hydrocarbon compounds, having a high flame temperature achieved almost instantaneously after ignition. A hydrocarbon fire will spread rapidly, burn fiercely and produce a high heat flux. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Heat Flux (heat density)

Heat Flux (heat density)

Definition(s)

Heat Flux

Quantity of heat divided by area and time.

Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards

Heat Flux (heat density)

The rate of heat transfer per unit area normal to the direction of heat flow. A convenient unit is kW m-2 (1 kW m-2 = 317 Btu ft-2 h-1). It is a total of heat transmitted by radiation, conduction and convection. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Emmissivity

Emmissivity

Definition(s)

Emmissivity

A constant used to quantify the radiation emission characteristics of a flame. Emmissivity of a perfect black body is 1. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Emergency Shutdown System

Emergency Shutdown System

Definition(s)

Emergency Shutdown System

A safety shutdown system comprising detection, signaling and logical control, valves and actuators, which can, in tandem with alarm and direct control mechanisms, enable the safe and effective shutdown of plant and machinery in a controlled manner. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Ductility Ratio

Ductility Ratio

Definition(s)

Ductility Ratio

The ratio of the total deflection to the deflection at elastic limit. The deflection at elastic limit is the deflection at which strength behavior can be assumed to change from elastic to plastic. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Convection

Convection

Definition(s)

Convection

Heat transfer associated with fluid movement around a heated body; warmer, less dense fluid rises and is replaced by cooler, denser fluid. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Conduction

Conduction

Definition(s)

Conduction

The mode of heat transfer associated with solids. Each solid has a temperature dependent factor, which is a measure of the rate of conduction. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Cellulosic Fire

Cellulosic Fire

Definition(s)

Cellulosic Fire

A fire with a fuel source predominantly of cellulose (e.g. timber, paper, cotton). A fire involving these materials is relatively slow growing, although its intensity may ultimately reach or exceed that of a hydrocarbon fire. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards  

Cellulosic Fire (CF)

Fire involving combustible material such as wood, paper, furniture, etc Source: ISO 13702:2015, Petroleum and natural gas industries — Control and mitigation of fires and explosions on offshore production installations — Requirements and guidelines, Second Edition, August 2015. Global Standards
Blow-down

Blow-down

Definition(s)

Blow-down

The rapid controlled or accidental depressurization of a vessel or piping network. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards  

Blow Down

To vent off gas in a well. Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Blast Wall

Blast Wall

Definition(s)

Blast Wall

A structural barrier, which is designed expressly for the purpose of resisting blast loads. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
Blast Relief Panel

Blast Relief Panel

Definition(s)

Blast Relief Panel

Parts of a module wall, ceiling or roof, which are designed to increase the area of venting in an explosion by being opened or removed by the force of the explosion. Source: API RP 2FB, Recommended Practice for the Design of Offshore Facilities Against Fire and Blast Loading, First Edition, April 2006. Global Standards
WCID-well Plan

WCID-well Plan

Definition(s)

WCID-well Plan

well construction interface document – well plan. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
WCID-SEMS

WCID-SEMS

Definition(s)

WCID-SEMS

well construction interface document – safety and environmental management system. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
WCID

WCID

Definition(s)

WCID

well construction interface document Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
UWA

UWA

Definition(s)

UWA

ultimate work authority. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
PVT

PVT

Definition(s)

PVT

pit volume totalizer. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
CSWP

CSWP

Definition(s)

CSWP

drilling contractor's safe work practices Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
wellsite-based personnel

wellsite-based personnel

Definition(s)

wellsite-based personnel

Personnel who are organized and responsible for supporting well construction activities at the wellsite. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
Well Plan

Well Plan

Definition(s)

Well Plan

Lease operator's documentation of the planned well construction activities. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
Well Construction Interface Document – well Plan

Well Construction Interface Document – well Plan

Definition(s)

Well Construction Interface Document – well Plan

WCID-well plan Summary of the well plan from lease operator to drilling contractor. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
Well Construction Interface Document – safety and Environmental Management System

Well Construction Interface Document – safety and Environmental Management System

Definition(s)

Well Construction Interface Document – safety and Environmental Management System

Bridging document between the lease operator's SEMS and the CSWP. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
Ultimate Work Authority

Ultimate Work Authority

Definition(s)

Ultimate Work Authority

The person or position located on the facility, or MODU, with the responsibility for making final decisions relating to well construction operations. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
Third-party Services

Third-party Services

Definition(s)

Third-party Services

Essential services other than those provided by the lease operator or drilling contractor that are required to execute well construction. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
Rig-specific Operating Guidelines

Rig-specific Operating Guidelines

Definition(s)

Rig-specific Operating Guidelines

Drilling contractor guidelines, operating manuals, and procedures that taken together establish the CSWP for a specific rig. NOTE This can include equipment constraints (e.g. hook load), operating limits (e.g. deck capacity), stationkeeping, and well control practices. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards
Office-based Personnel

Office-based Personnel

Definition(s)

Office-based Personnel

Personnel who are organized and responsible to support rig operations but whose primary job location is not at the wellsite. Source: API  Bulletin 97, Well Construction Interface Document Guidelines, First Edition, December 2013. Global Standards