da/dN

da/dN

Definition(s)

da/dN

Increment of crack growth for a given cycle. Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
C-R

C-R

Definition(s)

C-R

Circumferentially oriented specimen with a radial flaw.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Ag/AgCL

Ag/AgCL

Definition(s)

Ag/AgCL

Silver/silver chloride. Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Yield Capacity

Yield Capacity

Definition(s)

Yield Capacity

Maximum load(s) of the connector that cause the primary membrane stress to reach the specified minimum yield stress.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Test Series

Test Series

Definition(s)

Test Series

Group of tests at the same load condition (i.e. rated, extreme, survival) that are related to each other in some manner, such as capacity or type of test.
  • EXAMPLE A Rated Capacity Test Series comprises all the tests that are conducted to a load level that corresponds to a rated capacity rating.
Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards

Test Series

Group of tests at the same load condition (i.e. normal, extreme, survival) that are related to each other in some manner such as capacity or type of test.
  • EXAMPLE A Normal Capacity Test Series is all the tests that are conducted to a load level that corresponds to a normal capacity rating.
Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Temporary Equipment

Temporary Equipment

Definition(s)

Temporary Equipment

Equipment that is used on a well for installation or workover purposes and is not considered a permanent part of the production equipment.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Structural Capacity

Structural Capacity

Definition(s)

Structural Capacity

Maximum load(s) the connector can sustain without exceeding the allowables for normal, extreme, or survival conditions and still maintain functional requirements.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Load, survival

Load, survival

Definition(s)

Load, survival

Conditions which include the unplanned, unavoidable, and unpredictable load conditions due to the environmental, operating, or any other scenarios.
  • NOTE: 1 Also referred to as accidental load.
  • NOTE: 2 Survival loads of a component means that the component does not fail but it can present one or more kinds of degradations that may impact its specified performance or service life.
Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Load, normal

Load, normal

Definition(s)

Load, normal

Conditions that corresponds to a design factor of 0.67 with respect to SMYS.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Load, extreme

Load, extreme

Definition(s)

Load, extreme

Conditions that include the unavoidable but predictable load conditions due to the environmental and operating scenarios.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Leak Tightness Capacity

Leak Tightness Capacity

Definition(s)

Leak Tightness Capacity

Maximum load combination that may reliably be applied before leakage occurs in the connector.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Hub Face Separation

Hub Face Separation

Definition(s)

Hub Face Separation

Occurs when all preload is lost between the two hubs, flanges, or OEC faces, and the two faces have lost contact from OD to ID or ID to OD. Source: API Specification 16A, Specification for Drill-through Equipment, Fourth Edition, April 2017. Global Standards

Hub Face Separation

Separation is defined as zero contact forces between the mating hubs (from ID to OD) on the tension side of the applied load condition.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Functional Capacity

Functional Capacity

Definition(s)

Functional Capacity

Loading condition where the functional failure criteria specified for the component is met but not exceeded.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Fracture Mechanics

Fracture Mechanics

Definition(s)

Fracture Mechanics

Assessment and analysis where critical defect sizes under design loads are identified to determine the crack growth life, i.e. leak or fracture.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Factor used in

Factor used in

Definition(s)

Factor used in

Factor used in working stress design and fatigue evaluation.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
Cyclic Loads

Cyclic Loads

Definition(s)

Cyclic Loads

Any alternating mechanical loads (internal or external), pressures or temperatures that induce cyclic stresses on the entire connector assembly or components withinaction.

Source: API Technical Report 17TR7, Verification and Validation of Subsea Connectors, First Edition, April 2017. Global Standards
UU

UU

Definition(s)

UU

Unconsolidated undrained triaxial tests. Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
TV

TV

Definition(s)

TV

Torvane.

Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
MinV

MinV

Definition(s)

MinV

Miniature vane. Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
DSS

DSS

Definition(s)

DSS

Direct simple shear test. Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
DS

DS

Definition(s)

DS

Direct shear test. Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
CoV

CoV

Definition(s)

CoV

Coefficient of variation. Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
CAUE

CAUE

Definition(s)

CAUE

Anisotropically consolidated undrained triaxial extension test.

Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards

CAUC

CAUC

Definition(s)

CAUC

Anisotropically consolidated undrained triaxial compression test. Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
Vsoil

Vsoil

Definition(s)

Vsoil

Volume of the backfill soil that rests on the spudcan.

Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
VL0

VL0

Definition(s)

VL0

Maximum vertical foundation load during preloading.

Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
Vc

Vc

Definition(s)

Vc

Volume of the conical spudcan below mudline.

Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards

T

T

Definition(s)

T

tare.

Source: API Standard 2CCU, Offshore Cargo Carrying Units, First Edition, August 2017. Global Standards  

T

Tare weight of the empty CCU, including any permanent equipment and excluding cargo and the lifting set. Source: API Standard 2CCU, Offshore Cargo Carrying Units, First Edition, August 2017. Global Standards  

T

The weight of the empty CCU, including any permanent equipment and excluding cargo and the lifting set.

Source: API Standard 2CCU, Offshore Cargo Carrying Units, First Edition, August 2017. Global Standards  

t

thickness of pad eye at hole or material thickness Source: API Standard 2CCU, Offshore Cargo Carrying Units, First Edition, August 2017. Global Standards

t

Consolidation time.

Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
Su0

Su0

Definition(s)

Su0

Undrained shear strength at the lowest depth of the maximum plan area of spudcan.

Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards
Su_undisturbed

Su_undisturbed

Definition(s)

Su_undisturbed

Undisturbed undrained shear strength.

Source: ABS Guidance Notes on Geotechnical Performance of Spudcan Foundations, January 2017. Global Standards