Page 427 - Pipeline Pigging Technology

Pipeline Pigging Technology

PEAK PIGGING TRANSIT PEAK PIGGING
DIFF PRES SPOOL DIFF PRES FLOW IN
IN TRANSIT AVG VEL IN T" OPPOSITE
SPOOL(PSI) (FLOW RATE) (PSI) SIDE

38 .81 FPS 27 NO FLOW
(189 6PM)

40 .91 PPS 29 100-200
(211 GPM) GPM

39 1.17 FPS 43 300-450
(292 GPM) GPM

29 1.25 FPS 34 400-550
(306 GPM) GPM

36 1.35 FPS 37 300-450
(336 GPM) GPM

39 1.35 FPS 47 NO-FLOW
(336 GPM)
37 1.48 FPS 50 NO FLOW
(368 GPM)
35 1.64 FPS 37 NO FLOW
(403 GPM)

Table 5. Knapp foam pig and TDW dual-diameter (14 x 10) scraper
pig in a pig train (using water).

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