Work extraction from downhole progressive cavity devices

A progressive cavity device and method of use are provided, the progressive cavity device comprising a hollow stator having a rotor shaft positioned therein. The rotor shaft is provided with rotating motion drive connections at both ends thereof.

Saved in:
Bibliographic Details
Main Author SPYRO KOTSONIS
Format Patent
LanguageEnglish
Published 15.05.2013
Subjects
BLASTING
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
ENGINE PLANTS IN GENERAL
FIXED CONSTRUCTIONS
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS
STEAM ENGINES
WEAPONS
Online AccessGet full text

Cover

More Information
Summary:A progressive cavity device and method of use are provided, the progressive cavity device comprising a hollow stator having a rotor shaft positioned therein. The rotor shaft is provided with rotating motion drive connections at both ends thereof.
Bibliography:Application Number: GB20070022445