DAR ES SALAAM - Helium One Global Ltd (AIM:HE1) has started operations at its southern Rukwa Helium Project in Tanzania in preparation for testing using an Electrical Submersible Pump (ESP), according ...

Baker Hughes announced it is building an advanced electrical submersible pumping (ESP) system testing and development center in Macaé, Brazil. The facility — set for completion by year's end — is ...