75022179
Nov 20, 1995
downhole pumps, submersible pumps and electric submersible pumps for downhole oil, gas or injection wells; electronically controlled downhole pumps and submersible pumps for downhole oil, gas or injection wells; remotely activated downhole pumps, submersible pumps and electric submersible pumps for downhole oil, gas or injection wells; and controlled fluid and gas flow control valves and safety valves, all being part of downhole completion machines for oil, gas and injection wells
Machinery