Magnetic Poles

Magnetic Poles

Definition(s)

Magnetic Poles

Area on a magnetized OCTG where the magnetic field is "leaving or returning", usually at its end when longitudinally magnetized. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Magnetic Field

Magnetic Field

Definition(s)

Magnetic Field

Space around a magnet within which ferromagnetic materials are attracted is called a magnetic field. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Lift Off

Lift Off

Definition(s)

Lift Off

Apparent separation of a stable or unstable flame above the flare burner, occurring if the fuel velocity exceeds the flame velocity.

Source: API STD 521, Pressure-relieving and Depressuring Systems, Sixth Edition, January 2014. Global Standards

Lift Off

Perpendicular distance between detector shoe and the surface - sometimes called "standoff". Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards
Leaker

Leaker

Definition(s)

Leaker

Length of OCTG that will not hold hydrostatic pressure. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Isotope

Isotope

Definition(s)

Isotope

Atoms with the same atomic number (same chemical element) but different atomic weights. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Handling Tight

Handling Tight

Definition(s)

Handling Tight

Sufficiently tight so that the coupling cannot be removed except by use of a wrench. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards Source: API SPEC 5CT, Specification for Casing and Tubing, Upstream Segment, Ninth Edition, July 2011 (Errata September 2012). Global Standards  
Hand-Tight Standoff

Hand-Tight Standoff

Definition(s)

Hand-Tight Standoff

Length, at hand-tight engagement from the face of the coupling to the vanish point of the  threads for round threads and the base of the triangle for buttress threads. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Hand-Tight

Hand-Tight

Definition(s)

Hand-Tight

Threaded joint that has been made-up by hand without the aid of tongs. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Rated Relieving Capacity

Rated Relieving Capacity

Definition(s)

Rated Relieving Capacity

Relieving capacity used as the basis for the application of a pressure-relief device, determined in accordance with the pressure-design code or regulation and supplied by the manufacturer. NOTE The capacity marked on the device is the rated capacity on steam, air, gas or water as required by the applicable code. Source: API STD 521, Pressure-relieving and Depressuring Systems, Fifth Edition, January 2007 (Addendum May 2008). Global Standards  

Rated Relieving Capacity

Flow capacity of a relief device expressed in terms of air flow at standard or normal conditions at a designated pressure or vacuum. NOTE Rated relieving capacity is expressed in SCFH or Nm3/h. Source: API STD 2000, Venting Atmospheric and Low-pressure Storage Tanks, Sixth Edition, November 2009. Global Standards  
Grind, Removal

Grind, Removal

Definition(s)

Grind, Removal

Grinding performed to remove an imperfection or defect and make the product comply with the appropriate specification. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Grind, Radius

Grind, Radius

Definition(s)

Grind, Radius

Grinding performed to remove sharp edges and/or abrupt changes in the wall thickness around exploratory grinds or imperfections. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Grind, Probe

Grind, Probe

Definition(s)

Grind, Probe

Grinding performed to explore or determine the depth of an imperfection. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Radiation Intensity

Radiation Intensity

Definition(s)

Radiation Intensity

Local radiant heat transfer rate from the flare flame, usually considered at grade level. Source: API STD 521, Pressure-relieving and Depressuring Systems, Sixth Edition, January 2014. Global Standards Source: API STD 521, Pressure-relieving and Depressuring Systems, Fifth Edition, January 2007 (Addendum May 2008). Global Standards  
Gauss

Gauss

Definition(s)

Gauss (G)

Unit of flux density or induction. Numerically, one gauss is one line of flux per square centimetre of area. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Frequency

Frequency

Definition(s)

Frequency

Number of occurrences of an event per defined period of time or number of trials.

Source:API STANDARD 780, Security Risk Assessment Methodology for the Petroleum and Petrochemical Industries, First Edition, May 2013. Global Standards

Frequency (HZ)

Number of complete cycles of a wave motion per second of time. Unit of measure is called a Hertz. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  

Frequency

Number of occurrences of an event per defined period of time or number of trials. Sample Usage:
  1. The frequency of severe hurricanes in the Atlantic Ocean has been observed to be on average four per year.
  2. The frequency of the number three when Bob rolled a six-sided die was one time in six rolls.
Source: DHS Risk Lexicon, U.S. Department of Homeland Security, 2010 Edition. September 2010 Regulatory Guidance  

Frequency

Number of events (3.5.1.3) or outcomes per defined unit of time. NOTE Frequency can be applied to past events (3.5.1.3) or to potential future events, where it can be used as a measure of likelihood (3.6.1.1)/probability (3.6.1.3). Source: ISO Guide 73:2009(E/F), Risk Management – Vocabulary, First Edition, 2009. Global Standards
Flux Lines

Flux Lines

Definition(s)

Flux Lines

Imaginary magnetic lines used as a means of explaining the behaviour of magnetic fields. Their conception is based on the pattern of lines produced when iron filings are sprinkled on a piece of paper laid over a magnet. Synonymous with Magnetic Lines of Force. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Fluorescence

Fluorescence

Definition(s)

Fluorescence

Emission of visible radiation by a substance as the result of the absorption of ultraviolet light radiation. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Electromagnet

Electromagnet

Definition(s)

Electromagnet (EM)

When ferromagnetic material is surrounded by a current carrying coil, it becomes magnetized and is called an electromagnet. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Dry Method

Dry Method

Definition(s)

Dry Method

Magnetic particle inspection method in which the particles employed are in dry powder form. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Diameter Tape

Diameter Tape

Definition(s)

Diameter Tape

Measuring device consisting of a thin, flexible, metallic tape which can be wrapped around the circumference of a length of OCTG and is graduated such that average diameter can be directly read from the scale. A diameter tape is also referred to as a pi tape direct current refers to an electric current flowing continually in one direction only through a conductor. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Detect

Detect

Definition(s)

Detect

Act of locating an imperfection. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Cross Threaded

Cross Threaded

Definition(s)

Cross Threaded

Angular misalignment of internal and external threads relative to each other resulting in improper make-up. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Controlled Area

Controlled Area

Definition(s)

Controlled Area

Defined area in which the occupational exposure of personnel to radiation or to radioactive material is under the supervision of an individual in charge of radiation protection. (This implies that a controlled area is one that requires control of access, occupancy, and working conditions for radiation protection purposes.) Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Quenching

Quenching

Definition(s)

Quenching

Cooling of a fluid by mixing it with another fluid of a lower temperature. Source: API STD 521, Pressure-relieving and Depressuring Systems, Sixth Edition, January 2014. Global Standards Source: API STD 521, Pressure-relieving and Depressuring Systems, Fifth Edition, January 2007 (Addendum May 2008). Global Standards
Contract

Contract

Definition(s)

Contract

Documented agreement which specifies the terms of the inspections to be performed. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  

Contract

Contract includes an arrangement or understanding. Source: Offshore Petroleum and Greenhouse Gas Storage Act 2006, Australia, amended 2012. Legislation  

Contract

The specific agreement between DNV GL and the customer It defines the extent of services requested by the customer, and is concerned with: — the classification of vessels or installations, both new buildings and in operation — statutory work carried out on behalf of national maritime authorities — equipment and materials. Source: Rules for Classification – Offshore units, DNVGL-OU-0101, Offshore drilling and support units, DNV GL, July 2015. Global Standards  

Contract(s)

An agreement between two parties by which both are bound in law. Source: IOGP Report No. 510, Operating Management System Framework for controlling risk and delivering high performance in the oil and gas industry, International Association of Oil & Gas Producers, June 2014. Global Standards
Continuous Method

Continuous Method

Definition(s)

Continuous Method

Method of searching for imperfections while the magnetizing current is being applied. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Color Code

Color Code

Definition(s)

Color Code

Paint band identification of OCTG classification in accordance with appropriate specifications. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
COF

COF

Definition(s)

COF

Certificate of fitness. Source: Prevention of Fire and Explosion, and Emergency Response on Offshore Installations, Offshore Installations (Prevention of Fire and Explosion, and Emergency Response) Regulations 1995, Approved Code of Practice and guidance (UK HSE L65), Second Edition, 1997. Regulatory Guidance Source: Environmental Protection Plan Guidelines, The Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, and National Energy Board, Canada, March 31, 2011. Regulatory Guidance Source: Safety Plan Guidelines, The Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, and National Energy Board, Canada, March 31, 2011. Regulatory Guidance
Coil Method

Coil Method

Definition(s)

Coil Method

Method of magnetizing in which a length of OCTG is encircled by a current-carrying coil. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards