Congratulations Norsk Retningsboring as. for completing the largest diameter and longest hardrock HDD hole in Norway.
Drilling a 1,240 mtr hole in 200+Mpa rock with an elevation of 250mtrs above the rig on a compound radius.
Utilizing TRANSCO 12 1/4" x 26" x 3 Cutter Hole opener & a TRANSCO 38 1/2" x 5 Cutter Hole Opener fitted with TRANSCO's patented field replaceable 10" T79 TCI cutters
Manufactured in accordance with API Spec Q1, ISO9001-2015, API Spec 7.1 ,ASME 9 and contractor requirements
(Nice Video link showing the Hole Opener coming out of the hole)

DownholeDrill40Container

Quality is integral to everything we do. Quality is everyone’s responsibility. TRANSCO will continuously improve its customer service to better satisfy the needs of its customers and will deliver to them—on time and every time—defect-free products and services conforming to customer requirements and industry standards .

api spec q1 0831qms registered iso 9001 20157 1 1081