Well method and apparatus which is particularly adapted for use in multiple zone wells

Claim 1

A WELL APPARATUS FOR PRODUCING WELL FLUIDS FROM UPPER AND LOWER FLUID PRODUCING ZONES TRAVERSED BY A WELL BORE, INCLUDING, A LOWER WELL PACKER LOCATED BETWEEN THE PRODUCING ZONES, AN UPPER WELL PACKER LOCATED ABOVE THE UPPER PRODUCING ZONE, A FIRST TUBING STRING CONNECTED WITH AND SUPPORTING BOTH WELL PACKERS AND HAVING ITS LOWER END COMMUNICATING WITH THE LOWER ZONE BELOW THE LOWER PACKER, SAID LOWER WELL PACKER INCLUDING HYDRAULICALLY-ACTUATED MEANS FOR MOVING SAID PACKER INTO SET POSITION AND MEANS COMMUNICATING THE HYDRAULICALLY-ACTUATED MEANS WITH THE BORE OF SAID FIRST TUBING STRING WHEREBY PRESSURE MAY BE APPLIED TO SAID HYDRAULICALLY-ACTUATED MEANS THROUGH SAID TUBING TO SET SAID LOWER PACKER WITHOUT MANIPULATION OF THHE TUBING A SECOND TUBING STRING LOWERABLE INDEPENDENTLY OF THE FIRST STRING AND WELL PACKERS, SAID UPPER WELL PACKER HAVING MEANS ACTUATED BY THE IMPOSITION OF WEIGHT FOR MOVING THE PACKER INTO SET POSITION, SAID SECOND TUBING STRING BEING ENGAGEABLE WITH SAID UPPER PACKER TO IMPOSE ITS WEIGHT THEREON TO SET THE SAME INTO SEALING POSITION WITH THE WALL OF THE WELL BORE, SAID SECOND STRING HAVING ITS LOWER END COMMUNICATING WITH THE UPPER PRODUCING ZONE BETWEEN THE PACKERS, AND MEANS FOR DIRECTING FLUID PRESSURE THROUGH SAID FIRST TUBING STRING TO THE HYDRAULICALLY-ACTUATED MEANS OF THE LOWER PACKER SUBSEQUENT TO THE SETTING OF THE UPPER PACKER TO MOVE SAID LOWER PACKER INTO SET POSITION WITHIN THE WELL BORE.

Claim 3

THE METHOD OF POSITIONING AND SETTING A LOWER HYDRAULICALLY-ACTUATED WELL PACKER AND AN UPPER WEIGHT-SET

Claim 4

THE METHOD OF POSITIONING AND SETTING A LOWER HYDRAULICALLY-ACTUATED WELL PACKER AND AN UPPER WEIGHT-SET