Full Length Drifting

State Energy Inspection Services provides premium casing and tubing Full Length Drifting (FLD) inspection controlled by our experienced operators.

Operator Qualifications

The operators who inspect require a minimum Trainee qualification while under direct supervision of an on-site Level II or Level III Supervisor.

Reference Documents

  • API Specification 5CT
  • API RP5A5
  • API Specification 5L

Inspection Equipment

  • O.D. Micrometers
  • Scale
  • Drift mandrels
  • Sewer tape or automated drifting system to propel the mandrel through the pipe

Download State Energy Inspection Services Full Length Drifting Standard Operating Procedure (SOP) Document.