AGM Survey

A successful tool run starts with a well laid out AGM survey.

Above Ground Markers (AGM) serve as surveyed tool tracking points crucial for recording the tool's passages within the pipeline. These passages provide essential confirmation of the tool's location, condition, speed, and velocity. The precision of accessing and surveying AGM points during a tool run is critical for the efficiency and success of tool tracking. 

At In-Line, we ensure sub-decimeter survey precision to yield superior data results, contributing to greater first-run success, safety, and pipeline integrity management A thorough AGM survey guarantees a higher degree of accuracy in locating pipeline anomalies or defects.

An AGM survey is an important component of internal pipeline inspection. A proper AGM survey reduces the chainage errors and improves your ability to precisely pinpoint pipeline anomalies. Proper placement of AGMs is crucial to both safety and performance.

To ensure the best results, we collaborate with you and the smart tool vendor to determine optimal timing and locations for placing AGMs, even in hard-to-reach areas where our remote boxes can be utilized.

AGM Survey consists of a 2-technician crew. There is one Survey Lead and one Survey Support Technician. AGM Survey is typically performed with two trucks in a leap frogging sequence to create time and cost efficiencies.

AGM Survey consists of a 2-technician crew. There is one Survey Lead and one Survey Support Technician. AGM Survey is typically performed with two trucks in a leap frogging sequence to create time and cost efficiencies.

  • 4X4 Trucks: In-Line dispatched 4X4 half-ton or three quarter-ton trucks.
  • ATV: In-Line uses ATV’s to survey locations that cannot be reached by truck or foot.
  • Pipeline Locator: In-Line uses the FUJI Metal Pipe and Cable Locator PL-960. This piece of equipment allows us to find all pipelines no matter the diameter, depth, or weather conditions.
  • Global Positioning Software (GPS): In-Line only uses the Trimble Geo7X handheld data collector. With capabilities of 1-2cm accuracy the software packed Geo7X allows for reliable and accurate shots.
  • Misc: Survey crews will also be equipped with pin finders, lath, pins, and other pertinent survey equipment.