PIPELINE NAME/ROUTE
This is usually the names of the structures at the two ends of the pipeline
OPERATOR
Indicates the operator of the pipeline.
See Operator file for details
STATUS(pipelines)
- OPERATIONAL: Indicates where the pipeline is functioning as Designed
See PRODUCT /SERVICE
- INSTALLED: Indicates where the pipeline is in place but does not
have product flowing through it yet
- FIRM PLAN: Project waiting to be laid or project currently being
bid on
- PROBABLE: Project likely to be bid with stated parameters
- POSSIBLE: Project at first stages of engineering. Could be one
of several possibilities
- DEFERRED: Project postponed or cancelled
- REMOVED: Indicates where the pipeline has been removed
- DECOMMISSIONED: Indicates where the line is still in place but
is no longer being used
- ABANDONED: Disused pipeline left on-site
- ALTERNATIVE: A speculative project still only at the discussion
stage
NB: The list of pipes on Infield is intended to be as extensive as
possible; therefore it is important to take account of the status of a future
project when making any forecasts of future demands or activities. In any
one year the probability of a firm plan project going ahead can reasonably
be safely put at 80%, a probable projects as >= 50% and possible project
<= 50%.
So for instance we currently expect "X" Km of pipelines, of all
diameters, to be laid in the coming year. The figures for the next 3 or 4
years may be considerably higher. These higher figures reflect more the total
number of possible projects under study rather than the actual totals that
may be laid in any one of these years. So please do make allowance for status.
DIAMETER (INCHES)
Indicates the nominal diameter of the pipeline in inches
LENGTH (METRES)
Indicates the length of the pipeline in metres
BURIED OR SURFACE
- BURIED: Indicates the pipeline has been laid in a trench and then
covered or backfilled
- SURFACE: Pipeline is lying on the seabed
- TRENCHED: Pipeline is lying in a specially dug trench
Note: Differences in use of terms between Europe and the United States
In the Gulf of Mexico the common use of the term "buried", may
really be a misnomer for the European term "trenched" as there could
be little or no back-filling involved. This is due to the prevalence of "natural
burial" by fine sediment from the Mississippi Delta Fan.
With regard to the total lengths of any one line that may be buried or trenched
this will vary from region to region. Trenching along the whole of a pipelines
length seems to be more common in the harsher conditions such as those of
the North Sea than in the more sheltered waters of the Gulf of Mexico. In
the Gulf long pipes coming from deeper waters may only be buried or trenched
for perhaps 30 to 50% of their total lengths; i.e. only once they have entered
shallower and busier waters.
PRODUCT / SERVICE
- AIR: Air line to the flare
- AMMONIA: Chemical delivery to a terminal
- ANN.MON: Corrosion monitoring Line
- BUTANE NGL: product line
- CARRIER: Large pipeline protecting or insulating a smaller one
- CHI: Chemical injection to aid gas flow
- CHI/GLIFT: Chemical Injection/Gas lift line
- CO2: Carbon Dioxide line
- COND: Condensate Hydrocarbon wellstream pipeline
- COND/NGL: Condensate/Natural Gas Liquid
- COR.INHIB.OIL: Corrosion Inhibitor Oil
- DIESEL FUEL: Diesel fuel for onshore facility
- FUEL GAS: Gas for offshore facility
- FUEL OIL: Fuel Oil for onshore facility
- G/C: Gas & Condensate Hydrocarbon wellstream pipeline
- G/LIFT: Gas lift to help increase oil wellstream flow rate
- GAS: Gas Hydrocarbon wellstream pipeline
- GAS/TFL: Gas/ Through Flowline Workover
- GL/KILL/ANN.MON: See Above
- GLYCOL: Glycol Injection Line to help increase gaseous wellstream
flow rate
- INJECTION GAS: Injection Gas Line
- KILL: Line to prevent the well from producing
- KILL/ANN.MON: See Above
- LNG: Liquid Natural Gas
- LPG: Liquid Petroleum Gas
- LPG/G: Liquid Petroleum Gas/Gas hydrocarbon stream pipeline
- METH/GLYC: Methanol/Glycol Injection line to increase wellstream
flow rate
- METHANOL: Methanol Injection Line to increase wellstream flow rate
- NAPTHA: Naptha
- NGL: Natural Gas Liquids
- NITROGEN: Nitrogen Injection
- O/C: Oil & Condensate Hydrocarbon wellstream pipeline
- O/G: Oil & Gas Hydrocarbon wellstream pipeline
- O/G/C: Oil, Gas & Condensate Hydrocarbon wellstream pipeline
- O/TFL: Oil/Through flow line workover
- OIL: Oil Hydrocarbon wellstream pipeline
- ORIMULSION: Heavy Oil Line
- PILOT: Small gas line to ignite flame
- PROPANE NGL: Product line
- PROTECTION: Large pipeline outside a smaller one for protection
- SERVICE: Well Service Line - various products
- SPARE: Back up line
- TEG: Triethylene glycol to inject into the wellstream to increase
flow rate
- TEST: Test line to test well pressure
- TEST/GLIFT: Test Line & Gas Lift
- TEST/KILL: Test production line and to prevent the well from producing
- TFL: Through flowline workover to service subsea wells
- W.BLST: Water Ballast to maintain balance in tanker as oil is pumped
out
- WATER: Water Line
- WI: Water Injection line to increase well pressure
- WI/TFL: Water Injection/Through flow line workover
DATE/YEAR LAID
The date the pipeline will be laid
WATER DEPTH (METRES)
This indicates the MAXIMUM water depth of the pipeline
WEIGHT COAT
- YES: Indicates the pipeline has on some part of its length a concrete
coating. This does not indicate that a coating will be present over the
whole length of the pipeline.E.g. This is generally used in the North Sea
to help prevent the pipeline being snagged by fishing nets.
- NO:
TYPE
- STEEL: Normal Carbon Steel
- ST/ST: Short for Stainless Steel. i.e. a non flexible flowline
made from duplex or Super Duplex Steel; or a carbon steel line clad with
a layer of a corrosion resistant alloy
- FLEXIBLE:
TUBE TYPE
- SINGLE TUBULAR
- PIGGY BACK: A small diameter pipe strapped atop a larger diameter
line
- BUNDLED: Several small diameter lines inside a large sleeve pipe
- JUMPER: Very short pipe connection
- PIPE-IN-PIPE: Small pie inside larger pipe for insulation purposes
LAY VESSEL TYPE
- LAY: Short lengths of pipe welded together offshore & laid
from the back of a lay ship Max lay rate 5miles / day
- REEL: Usually smaller diameter pipelines in continuous lengths
prepared onshore and laid from a large reel onboard ship Max lay rate app
1 mile / hour
- BOW TOW: Large continuous lengths of cables (often bundled pipelines)
prepared onshore in lengths of up to 5,000metres and gradually towed offshore
helped by buoyancy aids for possibly hundreds of miles before being placed
on the seabed.
Fields|
Platforms| Subsea
Units | Control Lines| Bundled
Lines| SPM's| PiggyBack
Lines| Onshore
Terminals| Manufacturers| Operators
