Stabilized (Temperature Testing)

Stabilized (Temperature Testing)

Definition(s)


Stabilized (Temperature Testing)

State in which the initial temperature fluctuations have decreased to within the manufacturer's specified range.
  • NOTE: Temperature fluctuation can be caused by such things as mixing different-temperature fluids, convection, or conduction.
Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards

Stabilized (Temperature Testing)

When the initial temperature fluctuations decrease to within the manufacturer’s specified range. This temperature fluctuation can be caused by such things as mixing of different temperature fluids, convection, or conduction. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Stabilized (Pressure Testing)

Stabilized (Pressure Testing)

Definition(s)


Stabilized (Pressure Testing)

State in which the initial pressure-decline rate has decreased to within the manufacturer's specified rate.
  • NOTE: Pressure decline can be caused by such things as changes in temperature, setting of elastomer seals, or compression of air trapped in the equipment being tested.
Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards

Stabilized (Pressure Testing)

When the initial pressure decline rate decreases to within the manufacturer’s specified rate. This pressure decline can be caused by such things as changes in temperature, setting of elastomer seals or compression of trapped air in the equipment being tested. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Special Processes

Special Processes

Definition(s)


Special Processes

Operations which convert or affect material properties. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Rotating Speed Rating

Rotating Speed Rating

Definition(s)


Rotating Speed Rating

The maximum rotating speed specified at a given pressure for a specific pipe size as defined by the manufacturer. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Rotating Control Device (RCD)

Rotating Control Device (RCD)

Definition(s)


Rotating Control Device

Drill through equipment designed to allow the rotation of the drill string and containment of pressure by the use of seals or packers that seal against the drill string (drill pipe, casing, etc.). Source: ABS Guide for Classification and Certification of Managed Pressure Drilling Systems, September 2017. Global Standards

Rotating Control Device

Drill-through device with a rotating seal that allows continued drilling operations while maintaining pressure in the wellbore.

Source: API Specification 16Q, Design, Selection, Operation, and Maintenance of Marine Drilling Riser Systems, Second Edition, April 2017. Global Standards

Rotating Control Device (RCD)

A drill through device with a rotating seal that contacts and seals against the drill string (drill pipe, casing, kelly, etc.) for the purpose of controlling the pressure or fluid flow to surface. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Ring Grooves, Corrosion Resistant

Ring Grooves, Corrosion Resistant

Definition(s)


Ring Grooves, Corrosion Resistant

Ring grooves lined with metal resistant to metal-loss corrosion. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Relevant

Relevant

Definition(s)


Relevant

See indications, relevant. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Pressure-Retaining Part(s) Or Member(s)

Pressure-Retaining Part(s) Or Member(s)

Definition(s)


Pressure-Retaining Part Or Member

Part not exposed to wellbore fluids whose failure to function as intended will result in a release of wellbore fluid to the environment.
  • NOTE: Examples include closure bolts and clamps.
Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards

Pressure-Retaining Part(s) Or Member(s)

Those parts not exposed to wellbore fluids whose failure to function as intended would result in a release of wellbore fluid to the environment, e.g., closure bolts and RCD housing clamps. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Pressure-Controlling Part(s) Or Member(s)

Pressure-Controlling Part(s) Or Member(s)

Definition(s)


Pressure-Controlling Part(s) Or Member(s)

Those parts intended to control or regulate the movement of wellbore fluids, e.g., packing elements, seats with a pressure-containing member or part(s). Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Pressure-Containing Part(s) Or Member(s)

Pressure-Containing Part(s) Or Member(s)

Definition(s)


Pressure-Containing Part Or Member

Pressure-containing member or part exposed to wellbore fluids whose failure to function as intended would result in a release of wellbore fluid to the environment.
  • NOTE: 1 Examples include bodies, bonnets, connecting rods, and replaceable seats within a pressure-containing member or part.
  • NOTE: 2 In this document, the use of the word component and member are interchangeable.
Source: API STANDARD 16AR, Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, April 2017. Global Standards

Pressure-Containing Part(s) Or Member(s)

Those parts exposed to wellbore fluids whose failure to function as intended would result in a release of wellbore fluid to the environment, e.g., bodies, bearing assemblies. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Personnel, Qualified

Personnel, Qualified

Definition(s)


Personnel, Qualified

A person designated by the employer who, by possession of a recognized degree, certificate, or professional standing, or by extensive knowledge, training and experience, has successfully demonstrated ability to identify and solve or resolve problems relating to the subject matter, the work, or the project and, when required, is properly licensed in accordance with federal, state, or local laws and regulations. API RP 2009, Safe Welding, Cutting, and Hot Work Practices in the Petroleum and Petrochemical Industries, Seventh Edition, February 2002 (Reaffirmed, March 2012), Global Standards

Personnel, Qualified

Individuals with characteristics or abilities gained through training, experience, or both, as measured against the manufacturer’s established requirements. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Integral

Integral

Definition(s)


Integral

Parts which are joined by the forging, casting, or welding process. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Indications, Rounded

Indications, Rounded

Definition(s)


Indications, Rounded

Any indication in liquid penetrant or magnetic particle examination that is approximately circular or elliptical with its length less than 3 times its width. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Indications, Relevant

Indications, Relevant

Definition(s)


Indications, Relevant

Any indication in liquid penetrant or magnetic particle examination with a major dimension over 0.062 in. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Indications, Linear

Indications, Linear

Definition(s)


Indications, Linear

An indication in liquid penetrant or magnetic particle examination whose length is equal to or greater than 3 times its width. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Hydraulic Operating System Recommended Operating Pressure

Hydraulic Operating System Recommended Operating Pressure

Definition(s)


Hydraulic Operating System Recommended Operating Pressure

The manufacturers recommended operating pressure. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Hydraulic Operating System Rated Working Pressure

Hydraulic Operating System Rated Working Pressure

Definition(s)


Hydraulic Operating System Rated Working Pressure

The maximum hydraulic pressure at which the equipment is designed to operate. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Examination, Volumetric Nondestructive

Examination, Volumetric Nondestructive

Definition(s)


Examination, Volumetric Nondestructive

Examination for internal material defects by radiography, acoustic emission, or ultrasonic testing. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Examination, Visual

Examination, Visual

Definition(s)


Examination, Visual

Examination of parts and equipment for visible defects in material and workmanship. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Dynamic Pressure Rating

Dynamic Pressure Rating

Definition(s)


Dynamic Pressure Rating

The maximum pressure rating including rotation of the drill string and packing element, while drilling. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
CSO

CSO

Definition(s)


CSO

Complete shut-off of wellbore with out tubular in wellbore. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards  

CSO

Complete shut-off. Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Connections, Studded

Connections, Studded

Definition(s)


Connections, Studded

Connections in which thread-anchored studs are screwed into tapped holes. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Connection, Other End (O.E.C.)

Connection, Other End (O.E.C.)

Definition(s)


Connection, Other End (O.E.C.)

Connections which are not specified in an API dimensional specification, including API flanges and hubs with non-API gasket preparations and manufacturer’s proprietary connections. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Connection, Loose

Connection, Loose

Definition(s)


Connection, Loose

Flanges (studded or open face), hub connections, or other end connections which are used to join together equipment but are not integral to the equipment. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Connection, End

Connection, End

Definition(s)


Connection, End

Flanges (studded or open face), hub connections or other end connections which are used to join together equipment and are integral to the equipment. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Connection, Blind

Connection, Blind

Definition(s)


Connection, Blind

An end or outlet connection with no center bore, used to completely close off a connection. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Connection, API

Connection, API

Definition(s)


Connection, API

Flanges, hubs, and studded connections manufactured in accordance with API specification, including dimensional requirements. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Clamp, RCD Housing

Clamp, RCD Housing

Definition(s)


Clamp, RCD Housing

A device used to fasten and lock mating RCD body components. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Bore Through The Body

Bore Through The Body

Definition(s)


Bore Through The Body

The minimum inside diameter through the RCD body, including the bottom connection. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards
Bore Through The Bearing

Bore Through The Bearing

Definition(s)


Bore Through The Bearing

The minimum inside diameter through the bearing assembly. Source: API SPEC 16RCD, Specification for Drill Through Equipment—Rotating Control Devices, Upstream Segment, First Edition, February 2005. Global Standards