Definitions Master ISO 10432 + 16070 + 10432-1999 + 10432-2003 14310-2001 + 15136 +
NOTE For quality system terms used in the text of this International Standard but not defined below, see ISO9000:2000.
ambient temperature
prevailing temperature at test site
applied torque
torque that is applied to the top of the drive string by the surface drive system
assembly
product comprised of more than one component
auxiliary equipment
equipment or components that are outside the scope of this International Standard and are typically selected and/or installed by the user/purchaser; examples are sheaves and belts, motors, polished rod clamps, guards, motor controllers and torque limiting devices.
axial load capacity
the maximum allowable load that can be supported by the structure independent of auxiliary equipment capabilities
backspin
the process by which the progressing cavity pump, the drive string and the power train turn in the direction opposite to normal operation; backspin is driven by the release of the torsional and fluid potential energy
backspin resisting torque
the torque generated by a brake system to resist backspin
bean (orifice)
designed restriction causing the pressure drop in velocity-type SSCSVs
bean
the orifice or designed restriction causing the pressure drop in velocity-type SSCSVs
bottom drive system
PCP drive system utilizing a downhole prime mover
brake system
system that provides controlled resistance to backspin
bridge plug
mechanical device installed in and used for blocking fluid (liquid or gas) communication in the conduit and not installed in a designed receptacle
casing
pipe extending from the surface and intended to line the walls of a drilled well
ISO 14310:2001(E)
2 © ISO 2001 – All rights reserved
casing size
nominal casing OD as specified in ISO 11960
chloride stress corrosion cracking
cracking under the combined action of tensile stress and corrosion in the presence of chlorides and water
component
individual part of an assembly
conduit
casing, tubing or liner, either metallic or non-metallic
design acceptance criteria
defined limits placed on characteristics of materials, products, or services, established by the manufacturer to ensure conformance to the product design
design validation
process of proving a design by testing to demonstrate conformity of the product to design requirements
design verification
process of examining the premise of a given design by calculation, comparison or investigation, to substantiate conformity with specified requirements.
direct drive
type of surface drive system with no internal gear reduction
drift diameter
minimum ID of a packer, expressed as the OD of the drift bar utilized during assembly verification, as outlined in
drive string
device transmitting power (usually sucker rods) between the surface drive system and the PCP
driver sheave
pulley mounted on the prime mover shaft in belt driven surface drive systems
driven sheave
pulley mounted on the main shaft in belt driven surface drive systems
dynamic fluid level
depth from the wellhead to the top of the liquid column in the casing-tubing annulus under dynamic conditions end connection SSSV equipment/tubular connecting interface.
end connection
thread or other mechanism providing equipment to tubular interface
environment
set of conditions to which the product is exposed
exposed component
flow-wetted component, internally wetted component and/or component contacted by well fluid below the packing element
extrusion gap
radial gap between the maximum rated casing ID and the minimum OD immediately adjacent to the packing
element
failure
any equipment condition that prevents it from performing to the requirements of the functional specification
fit
the geometric relationship between parts.
NOTE This would include the tolerance criteria used during the design of a part and its mating parts, including seals
flow rate
volume of fluid pumped per unit of time
flow-wetted component
component that comes in direct contact with the dynamic movement of well fluids in the flow stream
fluid potential energy
energy stored in the production system due to the difference in fluid levels between the production tubing and the tubing-casing annulus
fluid head
pressure exerted by the fluid above the downhole pump
form
essential shape of a product including all its component parts
friction torque
total resistance to rotation of the drive string (inside the tubing) and the rotor (inside the stator) that is dependent on factors including (but not exclusive to) well depth and trajectory, pump geometry and interference fit between rotor and stator, and stuffing box characteristics
full life cycle
expected period of time in which the product shall function according to the manufacturer’s specifications
function
operation of a product during service
functional specification
features, characteristics, process conditions, boundaries and exclusions defining the performance and use requirements of the equipment
functional test
test performed to confirm proper operation of equipment
gauge OD
maximum specified product OD
gear-reduction drive
type of surface drive system with an internal gear reduction
grade
category or rank given to different requirements for quality or design validation
heat dissipation rate
rate at which energy is dissipated from the surface drive system to its surroundings in the form of heat
heat treatment
heat treating
alternate steps of controlled heating and cooling of materials for the purpose of changing metallurgical or mechanical properties
heat traceable
traceable back to a unique heat treatment (heat) of material
hydraulic drive
type of surface drive system powered by a hydraulic prime mover
hydraulic torque
torque induced by the differential pressure across the PCP acting on its effective cross-sectional area
inflatable packing element
packer or bridge plug packing element energized to form a seal by applying fluid pressure directly to the element
interchangeable
conforming in every detail, within specified tolerances, to both fit and function of a safe design but not necessarily to the form
internally wetted component
flow-wetted component and any component out of the flow stream, but contacted by well fluids through a port or other passage to the flow-wetted area
job lot
batch of material or components that have undergone the same process or series of processes
job lot traceable
the ability for parts to be identified as originating from a job lot which identifies the included heat(s)
landing nipple
any receptacle containing a profile designed for the installation of a lock mandrel
liner
pipe not extending from the surface and intended to line the walls of a drilled well
lock mandrel
retention device used for flow control or other equipment
main shaft
central shaft of the surface drive that is connected to the drive string
mandrel
component, or components, of a packer that contains the end connections and provides a conduit through the
packer
manufacturer
principal agent in the design, fabrication and furnishing of equipment, who chooses to comply with this International Standard
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.
maximum backspin speed
maximum speed allowed at the main shaft that will not compromise the integrity of the surface drive system or auxiliary equipment
maximum dynamic fluid level
maximum operating fluid level that ensures that, after a shutdown, the rotating speed will not exceed the maximum backspin speed for the surface drive system
maximum operating torque
maximum allowable operating torque applied at the main shaft as specified by the supplier/manufacturer
model
XXX equipment with unique components and operating characteristics which differentiate it from other XXX equipment of the same type
NOTE It may have any of a variety of end connections.
NACE service
Equipment whose components are manufactured from materials that comply with
NACE MR0175
non-conformity
non-conformance
non-fulfilment of a specified requirement
operator
user of the equipment
operating manual
publication issued by the manufacturer which contains detailed data and instructions related to the design, installation, operation and maintenance of equipment
operating environment
set of conditions to which the product is exposed during its full life cycle
operating temperature range
range defined by the minimum and maximum operating temperatures for the manufactured equipment as specified by the supplier/manufacturer
qualified part
a part manufactured under an authorized quality assurance programme and in the case of replacement, produced to meet or exceed the performance of the original part
qualified person
an individual with characteristics or abilities gained through training or experience or both as measured against established requirements, such as standards or tests that enable the individual to perform a required function.
packer
mechanical device, 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
packing element
seal on a packer or bridge plug that blocks fluid communication by sealing on the ID of the conduit
cf. bridge plug (3.2), packer (3.26)
permanent packer [bridge plug]
packer [bridge plug] that has no design feature for intact removal from the conduit, necessitating substantial destruction for its removal
polished rod stick-up
length of polished rod extending above the top of the polished rod clamp
power train
components of the surface drive system and auxiliary equipment which transmit power from the prime mover into the drive string
pressure reversal
changing the pressure differential from above to below the product or vice versa
prime mover
motor (typically hydraulic, electric or internal combustion) providing the torque to the power train
production/injection conduit
all tubular and equipment which provide the flow path between the reservoir and the christmas tree, including the riser for sub-sea applications
production system
assembly of equipment that includes the downhole pump, drive string, production tubing, well casing, surface drive system, and auxiliary equipment
profile
feature that is designed for the reception of the lock mandrel's locking mechanism
progressing cavity pump (PCP)
pump consisting of a stator and rotor whose geometry of assembly is such that it creates two or more series of lenticular, spiral, separated cavities
proof test
testing specified by the manufacturer which is performed to verify that the manufactured equipment meets those requirements of the technical specification which are relevant to the validation testing performance
redress
any activity restricted to the replacement of qualified parts
repair
any activity beyond the scope of redress that includes disassembly, re-assembly, and testing with or without the replacement of qualified parts and may include machining, welding, heat treating or other manufacturing operations that restores the equipment to its original performance
repositionable packer [bridge plug]
packer [bridge plug] that meets the definition of retrievable packer [bridge plug] (3.31) and has a design feature facilitating relocation inside the conduit (without removal) while re-establishing its intended function
retrievable packer [bridge plug]
packer [bridge plug] that has a design feature facilitating removal from the conduit substantially intact
safety Valve lock
a device attached to or a part of the SSSV that holds the SSSV in place
safety Valve Lock Nipple
a receptacle with internal sealing surfaces in which an SSSV may be installed
NOTE It may include recesses for locking devices to hold the SSSV in place and may be ported for communication to an
outside source for SSSV operation.
seal
device providing a barrier to the passage of liquid and/or gas
sealing device
device preventing passage (i.e. communication) of liquid and/or gas across the interface in which it is placed
shear device
component designed to disconnect under a predetermined load
size
relevant dimensional characteristics of the equipment as defined by the manufacturer
special feature
a specific component or sub-assembly that provides a functional capability that is not validated during the validation test conducted in accordance with Annex B
subsurface safety valve
downhole emergency device whose design function is to prevent uncontrolled well flow when closed
NOTE These devices may be installed and retrieved by wireline or pump-down (TFL) methods (wireline/TFL retrievable) or be an integral part of the tubing string (tubing retrievable).
subsurface safety valve equipment
subsurface safety valve and all components that establish tolerances and/or clearances which may affect performance or interchangeability of the SSSV equipment
stress corrosion cracking
cracking of a metal produced by the combined action of tensile stress (residual or applied) and anodic processes of corrosion in the presence of chlorides and water affected by H2S, oxidants, and elevated temperature
stress relief
controlled heating of material to a predetermined temperature for the purpose of reducing any residual stresses
substantive design change
change to the design, identified by the supplier/manufacturer, that affects the performance of the product in the intended service condition
sulfide stress cracking
cracking of a metal under the combined action of tensile stress and cathodic processes of corrosion in the presence of water and H2S (a form of hydrogen stress cracking).
surface drive system
assembly of equipment that, when installed, transmits torque from a prime mover into a progressing cavity pump drive string, supports the loads transmitted by the drive string and controls backspin of the drive string
technical specification
requirements to be fulfilled by the equipment to comply with the functional specification
temperature cycle range
specified range of temperature fluctuation at which the product is designed to operate
NOTE The temperature cycle range is applicable anywhere within the product’s temperature range.
test agency
any organization which provides a test facility and administers a test programme that meets the verification test requirements of this International Standard
test pressure
pressure at which the equipment is tested based upon all relevant design criteria
test section
the test apparatus which contains the manufactured equipment and provides for connection to a test facility’s validation test apparatus
test temperature
temperature at which the equipment is tested based upon all relevant design criteria
temperature range
specified range of temperature at which the product is designed to operate