Subsea wellhead and X-mas trees
ISO 14224
Equipment — Well completion
ID: equip_XT
| URI: https://www.iso.org/standard/64076.html
No definition available.
Properties / Attributes (25)
| Name | Data Type | Unit / Valid values | Required | Definition |
|---|---|---|---|---|
| Well identification number | — |
Number or name | Required | Operator description |
| Install/retrieve guide | — |
Guideline, guideline-less | Required | Guideline/guideline-less, diver-as- |
| Well type | — |
Production, injection | Required | Production, injection |
| Protection type | — |
Trawl-catching, trawl-deflecting, none | Required | Over-trawlable, trawl-catching, etc. |
| Water depth | — |
Metres | Required | |
| Design pressure | — |
Pascal (bar) | Required | Pressure rating of wellhead and |
| Artificial lift well | — |
Gas lift, ESP, PCP, none | Required | X-mas tree |
| Control principle | — |
— | Optional | Defines the control principle for |
| Piggable | — |
Yes/no | Optional | Specify if piggable or not |
| Size of tree | — |
Metres, kilograms | Optional | Dimensions and mass |
| Mudline suspension system | — |
Yes/no | Optional | Define whether a mudline suspension |
| Multilateral well | — |
— | Optional | Define |
| Well flow rate | — |
Specify | Required | Representative well flow rate (production or injection) |
| Fluid produced/injected | — |
Oil, gas, condensate, injection water, oil and | Required | Main fluid only: oil, gas, condensate, |
| Fluid corrosiveness | — |
Neutral, sweet, sour | Required | Classify as shown in the footnote |
| Fluid erosiveness | — |
Benign, clean, moderate, severe, unknown | Required | Erosiveness of the well fluid |
| Valve application | — |
Annulus master (AMV), Annulus swab | Required | X-mas tree valve function |
| Valve design class | — |
Production swab, Production wing (PWV), | Required | Type of X-mas tree valve design |
| Valve actuation | — |
Hydraulic, Electrical, Manual | Optional | Classify |
| Asphaltenes | — |
Yes/no | Optional | Specify |
| Scale formation | — |
Yes/no | Optional | Specify |
| Wax formation | — |
Yes/no | Optional | Specify |
| Hydrate formation Specify Yes/no Low | — |
— | Optional | |
| Sand production Specify Yes/no Low | — |
— | Optional | |
| Failure modes | 16 failure modes — click to expand
DOP
Delayed operation
ELP
External leakage - process medium
ELU
External leakage - utility medium
FCO
Failure to connect
FTC
Failure to close on demand
FTD
Failure to disconnect
FTL
Failure to lock/unlock
FTO
Failure to open on demand
LCP
Leakage in closed position
OTH
Other
PLU
Plugged/ choked
POW
Insufficient power
SER
Minor in-service problems
SET
Failure to set/retrieve
SPO
Spurious operation
STD
Structural deficiency
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