Suspension hanger for deep well tubing

Claim 1

IN A DEEP WELL A PRODUCTION TUBING ASSEMBLY COMPRISING A FIRST TUBING STRING, SAID FIRST TUBING STRING COMPRISING FIRST AND SECOND JOINTS OF TUBING, A FIRST COUPLING JOINING SAID FIRST AND SECOND JOINTS OF TUBING, A SECOND TUBING STRING, SAID SECOND TUBING STRING COMPRISING THIRD AND FOURTH JOINTS OF TUBING, A SECOND COUPLING JOINING SAID THIRD AND FOURTH JOINTS OF TUBING, A FIRST HOLLOW CYLINDRICAL MEMBER AROUND SAID SECOND JOINT OF TUBING SAID FIRST HOLLOW CYLINDRICAL MEMBER HAVING APPROXIMATELY THE SAME INNER AND OUTER DIAMETERS AS THE CORRESPONDING DIAMETERS OF SAID FIRST COUPLING AND BEING POSITIONED IMMEDIATELY BELOW SAID FIRST COUPLING, A SECOND HOLLOW CYLINDRICAL MEMBER AROUND SAID THIRD JOINT OF TUBING IMMEDIATELY ABOVE SAID SECOND COUPLING AND HAVING APPROXIMATELY THE SAME INNER AND OUTER DIAMETERS AS THE CORRESPONDING DIAMETERS OF SAID SECOND COUPLING, SAID FIRST AND SECOND CYLINDRICAL MEMBERS BEING POSITIONED AT THE SAME LEVEL AND RIGIDLY ATTACHED TO EACH OTHER WHEREBY SAID FIRST CYLINDRICAL MEMBER SUPPORTS SAID FIRST COUPLING AND AT LEAST A PORTION OF SAID FIRST TUBING STRING, SAID SECOND COUPLING AND THE PORTION OF SAID SECOND TUBING STRING ABOVE SAID SECOND COUPLING SUPPORTING SAID FIRST AND SECOND CYLINDRICAL MEMBERS AND SAID PORTION OF SAID FIRST TUBING STRING, AND THE END SURFACE OF SAID FIRST CYLINDRICAL MEMBER IN CONTACT WITH SAID FIRST COUPLING AND THE END SURFACE OF SAID SECOND CYLINDRICAL MEMBER IN CONTACT WITH SAID SECOND COUPLING BEING FLAT SURFACES.