Pressure Reversal

Pressure Reversal

Definition(s)

Pressure Reversal

Change from predominant pressure in the annulus to predominant pressure in the work string bore or vice versa.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards

Pressure Reversal

Change in the direction of the pressure differential across the packing element from above to below or vice versa. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Permanent Packer or Permanent Bridge Plug

Permanent Packer or Permanent Bridge Plug

Definition(s)

Permanent Packer or Permanent Bridge Plug

Bridge plug (3.2) or packer (3.26) that has no design feature for intact removal from the conduit, necessitating substantial destruction for its removal. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Performance Envelope

Performance Envelope

Definition(s)

Performance Envelope

Graph that illustrates the combined effects of differential pressure and axial loads on a packer or bridge plug at the rated temperature. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards  
Packer

Packer

Definition(s)

Packer

Mechanical device with a packing element (3.27), not installed in a designed receptacle, used for blocking fluid (liquid or gas) communication through the annular space between conduits by sealing off the space between them. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Non-Conformance

Non-Conformance

Definition(s)

Non-Conformance

An item that is not in accordance with specified codes, standards or other requirements.
  • NOTE: A non-conformance does not necessarily mean that the item is defective or that the item is not suitable for continued service.
Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards  

Non-Conformance

An unacceptable deviation or a failure against internally or externally defined specifications or requirements related to a product, service or process. Specifications or requirements may be defined internally through the management systems, standards and other requirements of the company; or externally, typically by regulatory bodies, customers or other stakeholders. A non-conformance normally results in the need for corrective action. 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  

Non-Conformance

Non-fulfilment of a specified requirement. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
NACE Service

NACE Service

Definition(s)

NACE Service

Packers or bridge plugs whose type 1 components (3.41) are manufactured from materials that comply with ISO 15156 (all parts). Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Manufacturing

Manufacturing

Definition(s)

Manufacturing

Processes and actions performed that are necessary to provide finished component(s), assembly(ies), and related documentation.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards

Manufacturing

Process and actions performed by an equipment supplier/manufacturer that are necessary to provide finished component(s), assemblies and related documentation that fulfil the requests of the user/purchaser and meet the standards of the supplier/manufacturer. NOTE Manufacturing begins when the supplier/manufacturer receives the order and is completed at the moment the component(s), assemblies and related documentation are surrendered to a transportation provider. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards  

Manufacturing

Process and action performed by an equipment supplier/manufacturer that are necessary to provide finished component(s), assembly(ies) and related documentation, that fulfil the requests of the user/purchaser and meet the standards of the supplier/manufacturer. NOTE Manufacturing begins when the supplier/manufacturer receives the order and is completed at the moment the component(s), assembly(ies) and related documentation are surrendered to a transportation provider. [ISO 16070]. Source: API SPEC 14A, Specification for Subsurface Safety Valve Equipment, Eleventh Edition, October 2005 (Reaffirmed June 2012). Global Standards
Mandrel

Mandrel

Definition(s)

Mandrel

Core tool around which resin-impregnated reinforcement is wound to form pipes, fittings and structural shell shapes. 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

Mandrel

Component(s) of a packer that contain(s) the end connections and provide(s) a conduit through the packer. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Job-Lot Traceable 〈Parts〉

Job-Lot Traceable 〈Parts〉

Definition(s)

Job-Lot Traceable 〈Parts〉

Identifiable as originating from a job lot that designates the included heat(s). Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Job Lot

Job Lot

Definition(s)

Job Lot

Batch of material or components that have undergone the same process or series of processes; this may include more than one heat of metallic components.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards

Job Lot

Batch of material or components that have undergone the same process or series of processes. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Internally Wetted Component

Internally Wetted Component

Definition(s)

Internally Wetted Component

Flow-wetted component (3.13) and any component out of the flow stream, but contacted by well fluids through a port or other passage to the flow-wetted area. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Inflatable Packing Element

Inflatable Packing Element

Definition(s)

Inflatable Packing Element

Packer or bridge plug packing element energized to form a seal by applying fluid pressure directly to the element. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Heat-Traceable

Heat-Traceable

Definition(s)

Heat-Traceable

Traceable to a unique heat treatment (heat) of material. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Grade

Grade

Definition(s)

Grade

Category or rank given to different requirements for quality or design validation. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Gauge OD

Gauge OD

Definition(s)

Gauge OD

Maximum specified product OD. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Flow-Wetted Component

Flow-Wetted Component

Definition(s)

Flow-Wetted Component

Component (3.5) that comes in direct contact with the dynamic movement of well fluids in the flow stream. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Extrusion Gap

Extrusion Gap

Definition(s)

Extrusion Gap

Radial gap between the maximum rated casing ID and the minimum OD immediately adjacent to the packing element. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Exposed Component

Exposed Component

Definition(s)

Exposed Component

Flow-wetted component (3.13), internally wetted component (3.18), and/or component contacted by well fluid below the packing element. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
End Connection

End Connection

Definition(s)

End Connection

Integral male or female thread, clamp hub end connector, studded or through-bolted flange, or any other means used to join together equipment that contains or controls pressure.

Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards

End Connection

Integral male or female thread, clamp hub end connector, flange (studded or through-bolted), or any other means used to join together equipment that contains or controls pressure. Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards

End Connection

Thread or other mechanism connecting the packer or bridge plug to the conduit. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards  

End Connection

Thread or other mechanism providing equipment-to-tubular interface. Source: API SPEC 14A, Specification for Subsurface Safety Valve Equipment, Eleventh Edition, October 2005 (Reaffirmed June 2012). Global Standards
Drift Diameter

Drift Diameter

Definition(s)

Drift Diameter

Minimum diameter that allows for the passage of the drift. Source: API Standard 2RD, Dynamic Risers for Floating Production Systems, Second Edition, September 2013. Global Standards

Drift Diameter

Minimum inside diameter (ID) of a packer, expressed as the OD of the drift bar utilized during assembly inspection, as outlined in 7.4.11. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Conduit

Conduit

Definition(s)

Conduit

Logical grouping of communication channels, connecting two or more zones, that share common security requirements. Source:  DNVGL-RP-G108, Cyber security in the oil and gas industry based on IEC 62443, DNV GL, September 2017. Global Standards

Conduit

Logical grouping of communication assets that protects the security of the channels it contains.
  • NOTE: This is analogous to the way that a physical conduit protects cables from physical damage.
Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards Source: ANSI/ISA–99.00.01–2007, Security for Industrial Automation and Control Systems, Part 1: Terminology, Concepts, and Models, 29 October 2007. National Standard
Casing Size

Casing Size

Definition(s)

Casing Size

Nominal casing outside diameter (OD) as specified in ISO 11960. Source: API SPEC 11D1, Packers and Bridge Plugs, Upstream Segment, Second Edition, July 2009. Global Standards
Stop Collar

Stop Collar

Definition(s)

Stop Collar

Device attached to the casing to prevent movement of a casing centralizer. NOTE A stop collar can be either an independent piece of equipment or integral with the centralizer. Source: API SPEC 10D, Specification for Bow-String Casing Centralizers Upstream Segment, Sixth Edition, March 2002 (Reaffirmed August 2010). Global Standards
Starting Force

Starting Force

Definition(s)

Starting Force

Maximum force required to insert a centralizer into a specified wellbore diameter. NOTE Starting-force values can vary depending on the installation methods. Source: API SPEC 10D, Specification for Bow-String Casing Centralizers Upstream Segment, Sixth Edition, March 2002 (Reaffirmed August 2010). Global Standards
Standoff Ratio

Standoff Ratio

Definition(s)

Standoff Ratio

Ratio of standoff to annular clearance. NOTE It is expressed as a percentage. Source: API SPEC 10D, Specification for Bow-String Casing Centralizers Upstream Segment, Sixth Edition, March 2002 (Reaffirmed August 2010). Global Standards
Standoff

Standoff

Definition(s)

Standoff

Smallest distance between the outside diameter of the casing and the wellbore. Source: API SPEC 10D, Specification for Bow-String Casing Centralizers Upstream Segment, Sixth Edition, March 2002 (Reaffirmed August 2010). Global Standards
Running Force

Running Force

Definition(s)

Running Force

Maximum force required to move a centralizer through a specified wellbore diameter. NOTE Running-force values can vary depending on the installation methods. Source: API SPEC 10D, Specification for Bow-String Casing Centralizers Upstream Segment, Sixth Edition, March 2002 (Reaffirmed August 2010). Global Standards  
Rigid Centralizer

Rigid Centralizer

Definition(s)

Rigid Centralizer

Centralizer manufactured with bows that do not flex. Source: API SPEC 10D, Specification for Bow-String Casing Centralizers Upstream Segment, Sixth Edition, March 2002 (Reaffirmed August 2010). Global Standards
Restoring Force

Restoring Force

Definition(s)

Restoring Force

Force exerted by a centralizer against the casing to keep it away from the wellbore wall. NOTE Restoring force values can vary based on installation methods. Source: API SPEC 10D, Specification for Bow-String Casing Centralizers Upstream Segment, Sixth Edition, March 2002 (Reaffirmed August 2010). Global Standards  
Hole Size

Hole Size

Definition(s)

Hole Size

Diameter of the wellbore. Source: API SPEC 10D, Specification for Bow-String Casing Centralizers Upstream Segment, Sixth Edition, March 2002 (Reaffirmed August 2010). Global Standards