Apparatus for positioning well pipe

Claim 1

MULTIPLE WELL COMPLETION APPARATUS ADAPTED TO SPACE A PLURALITY OF PIPE STRINGS IN A WELL BORE TO INSURE THAT THE PIPE STRINGS THROUGH WHICH SUBSURFACE HYDROCARBON-CONTAINING FORMATIONS ARE PORDUCED MAY BE PERFORATED WITHOUT DAMAGE TO OTHER PIPE STRINGS ARRANGED IN SAID WELL BORE COMPRISING: APLURALITY OF VERTICALLY SPACED-APART, VERTICALLY ALIGNED SPACER MEANS CONNECTED TO ONE OF SAID PIPE STRINGS AND POSITIONED RELATIVE TO AT LEAST TWO OTHER OF SAID PIPE STRINGS IN A MANNER SUCH THAT ANGULAR CLEARANCE RELATIVE TO SAID TWO OTHER PIPE STRINGS IS PROVIDED; EACH OF SAID SPACER MEANS HAVING A SELECTED CROSS SECTION, THE EXTENT OF WHICH DETERMINES A DEGREE OF ANGULAR CLEARANCE PROVIDED BY SAID SPACER MEANS; AND EACH OF SAID SPACER MEANS BEING OF CIRCULAR CONFIGURATION AND BEING TAPERED ON THE UPPER SIDE DOWNWARDLY AWAY FROM SAID ONE PIPE STRING TO WHICH IT IS ATTACHED AND ON THE UNDERSIDE UPWARDLY AWAY FROM SAID ONE PIPE STRING TO WHICH IT IS ATTACHED.