85856453
Feb 21, 2013
Dec 22, 2015
oil and gas field equipment, namely, drilling rig machines and devices; oil well pumping machines; oil and natural gas extracting and processing equipment and machines; oil and gas field tubing, casing, drill pipe and handling tools; oil and gas field well equipment and tools; oil and gas well downhole surface drilling and extraction tools; oil and gas well downhole surface drilling and extraction equipment; oil and gas well downhole and surface drilling machinery
Machineryoil and gas well downhole survey and measurement equipment; oil and gas well downhole and surface drilling control systems
Electrical and Scientific Apparatus