Inventor

Eskola Edward Walfred

US2 patents

Patents

2 patents

US10519732B2Dec 31, 2019

Mud pump annular friction pressure control system and method

HYDRIL USA DISTRIB LLC0 citations32

US10400421B2Sep 3, 2019

Systems and methods for backflushing a riser transfer pipe

HYDRIL USA DISTRIB LLC0 citations32