HEI is currently assisting TransCanada with surveying and field operation assistance for their 2008 Automated Ground Markers (AGM) Placement Surveys.  HEI has been involved with ANR/TransCanada's annual pigging program for several years and is pleased again for the opportunity. 

Survey services - staking AGM locations, providing GPS data and formal documentation for each location

Field operational assistance – launching and receiving pigging tools, monitoring flow rates and pig speeds, chasing Caliper and MFL tools and setting Automated Ground Markers during pig runs