Methods of and apparatus for handling multiple pipe strings and well packers

Claim 1

THE METHOD OF HANDLING A PLURALITY OF PIPE STRINGS HAVING A PLURALITY OF WELL PACKERS MOUNTED THEREON BY MEANS OF A POWER-OPERATED ELEVATOR, A POWER-OPERATED MEANS OF A POWER-OPERATED ELEVATOR, A POWER-OPERATED SPIDER ASSEMBLY AND A MANUALLY MANIPULATED SPIDER ASSEMBLY, SAID METHOD INCLUDING, LOWERING SAID PIPE STRINGS HAVING SAID WELL PACKERS THEREON INTO A WELL BORE BY SAID POWER-OPERATED ELEVATOR, SUPPORTING SAID PIPE STRINGS DURING THE ADDITION OF EACH ADDITIONAL PIPE STAND BY SAID MANUALLY MANIPULATED SPIDER ASSEMBLY, ALTERNATING LOWERING AND SUPPORTING SAID PIPE STRINGS UNTIL SUCH TIME AS THE WELL PACKERS ARE DISPOSED WITHIN THE WELL BORE, THEREAFTER FURTHER LOWERING SAID PIPE STRINGS AND SAID WELL PACKERS IN SAID WELL BORE BY SAID POWER-OPERATED ELEVATOR, SUPPORTING SAID PIPE STRINGS AND SAID WELL PACKERS DURING THE ADDITION OF PIPE STANDS AFTER THE WELL PACKERS ARE IN THE WELL BORE BY SAID POWER-OPERATED SPIDER ASSEMBLY, AND CONTINUING THE ALTERNATE LOWERING AND SUPPORTING OF SAID PIPE STRINGS AND SAID WELL PACKERS BY SAID POWER-OPERATED ELEVATOR AND SAID POWER-OPERATED SPIDER TO LOCATE SAID PIPE STRINGS AND SAID WELL PACKERS IN FINAL POSITION IN SAID WELL BORE.