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  
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  
Artificial Discontinuity

Artificial Discontinuity

Definition(s)

Artificial Discontinuity

See Reference Indicator. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Angle Beam

Angle Beam

Definition(s)

Angle Beam

Term used to describe an angle of incidence or refraction other than normal to the surface of the test object. This includes shear waves and longitudinal (compression) waves. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Ampere

Ampere

Definition(s)

Ampere (A, I or amp)

Unit of electrical current. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Alternating Current

Alternating Current

Definition(s)

Alternating Current (AC)

Current that reverses its direction of flow at regular intervals. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
High Degree of Workmanship

High Degree of Workmanship

Definition(s)

High Degree of Workmanship

Because of the difficulty in defining "well-contoured" and "high degree of workmanship", the owner's discretion shall govern (only with respect to the contour of the grind). Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards  
Purge Gas

Purge Gas

Definition(s)

Purge Gas

Flammable gas or noncondensable inert gas added to the flare header to mitigate air ingress and burnback.

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

Purge Gas

Fuel gas or non-condensable inert gas added to the flare header to mitigate air ingress and burnback. Source: API STD 521, Pressure-relieving and Depressuring Systems, Fifth Edition, January 2007 (Addendum May 2008). Global Standards  

Purge Gas

"Purge gas" means gas used to maintain forward flow and positive pressure in a safety flare system. Source: Alaska Oil and Gas Conservation Commission, Definitions, Alaska Admin. Code tit. 20, § 25.990, December 7, 2012. Regulations
Well-Contoured

Well-Contoured

Definition(s)

Well-Contoured

Because of the difficulty in defining "well-contoured" and "high degree of workmanship", the owner's discretion shall govern (only with respect to the contour of the grind). Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards
Pressure Tank or Process Vessel

Pressure Tank or Process Vessel

Definition(s)

Pressure Tank or Process Vessel

Tank or vessel used for an integrated operation in petrochemical facilities, refineries, gas plants, oil and gas production facilities, and other facilities. cf. storage tank (3.74). NOTE A process tank or vessel used for an integrated operation can involve, but is not limited to, preparation, separation, reaction, surge control, blending, purification, change in state, energy content, or composition of a material. Source: API STD 521, Pressure-relieving and Depressuring Systems, Fifth Edition, January 2007 (Addendum May 2008). Global Standards  
VTI

VTI

Definition(s)

VTI

Visual thread inspection. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards
UTW

UTW

Definition(s)

UTW

Ultrasonic inspection, weld line. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards
UTFL

UTFL

Definition(s)

UTFL

Full-length ultrasonic inspection. Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards