Patente WO2008154384A2 - Wrap on reactive element barrier ...
The circulating element permits the passage of drilling fluid and utilizes the hydraulic force of the fluid stream to improve drilling rates. ... The basic drill stem test tool consists of a packer or packers, valves or ports that may be opened and closed from the surface, and two or more pressure-recording devices. The tool is ...
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benergypartners's website is benergypartners.com