PORTABLE TEMPORARY PIG LAUNCHER. thomas cornthwaite inpipe products limited. THE SITUATION. PTPL. portable temporary pig launcher – inpipe products more flexible and cost effective temporary pig launching. Pipeline design and technology has not always been able to keep up with demand.
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inpipe products limited
portable temporary pig launcher – inpipe products
more flexible and cost effective temporary pig launching
Pipeline design and technology has not always been able to keep up with demand.
Tight timescales determined by market demands have in many cases caused consideration to pipeline pigging to be an afterthought.
Also with the process of pipeline pigging is still somewhat of a black art that many are not entirely familiar with, the general quality of pipeline design for pigging can at times lack the forward thinking required.
grit lined tyre – for gripping
ribbed tyre – for sealing
door (blind flange)
pig holding area
drain line out
kicker line in
+ More useful along pipeline
+ Standardisation of components
+ More likely to be reliable
+ More cost effective
+ better on corroded/damaged pipes
+ quick and simple to fit
+ access to either end for cleaning
+ closure door optional
+ ease of pre-loading
PTPL developed for pigging a new line in the Norwegian North Sea
situation of temporary pig launcher below platform
Testing to prove external posi-seal tyre, tested successfully to 25 bar
pigging on construction of new norwegian line successfully completed using ptpl
+ day to day use
+ regular pigging
+ hydrostatic testing
+ occasional pigging
+ awkward circumstances
+ pigging during pipeline construction
+ standardised design
+ cost saving
+ blank stations
+ compact launching
+ offline modification
+ multiple pig/sphere launching
customer brief leads to product with many derived benefits
the ptpl provides an alternative solution to pig launching and receiving