Lift for oil and other fluids

Claim 1

MEANS FOR LIFTING OIL AND OTHER FLUIDS FROM A WELL AND FOR PROVIDING CHEMICALS THERETO COMPRISING, IN COMBINATION, ARE ELONGATED WELL CASING IN THE GROUND, A TUBULAR MEMBER COAXIALLY RECEIVED IN SAID CASING IN SPACED RELATION THERETO AND EXTENDING SUBSTANTIALLY THE ENTIRE LENGTH THEREOF, SAID TUBULAR MEMBER HAVING A PLURALITY OF AXIALLY ELONGATED AND CIRCUMFERENTIALLY SPACED SLOTS IN THE LOWER END PORTION THEREOF, A BEARING BLOCK RIGIDLY MOUNTED IN THE BOTTOM OF SAID TUBULAR MEMBER, SAID BEARING BLOCK HAVING A SPHERICAL RECESS IN THE TOP SURFACE THEREOF, A SPHERICAL BEARING MEMBER SEATED IN SAID RECESS, AN OUTLET OPENING IN THE SIDE OF SAID TUBULAR MEMBER NEAR THE UPPER END THEREOF, A CONDUIT CONNECTED TO SAID OPENING AND IN FLUID COMMUNICATION WITH SAID TUBULAR MEMBER, AN ELONGATED HOLLOW PIPE COAXIALLY POSITIONED AND ROTATABLY MOUNTED IN SAID TUBULAR MEMBER AND SPACED FROM THE INNER SURFACE THEREOF, SAID PIPE BEING CLOSED AT THE LOWER END THEREOF, A BEARING BLOCK ON THE LOWER END OF SAID PIPE, A SPHERICAL RECESS IN THE LOWER SURFACE OF SAID LAST-NAMED BEARING BLOCK, SAID SPHERICAL RECESSES IN SAID BEARING BLOCKS ROTATABLY RECEIVING SAID SPHERICAL BEARING MEMBER WITH SAID BEARING MEMBER SUPPORTING THE WEIGHT OF SAID PIPE DURING ROTATION THEREOF, TWO AXIALLY ELONGATED AND DIAMETRICALLY OPPOSED SLOTS IN