System and method for providing multiple wells from a single wel

Details System and method for providing multiple wells from a single wel System and method for providing multiple wells from a single wel

1987-09-28

1989-02-28

Massie, Jerome W

Wells

Processes

Parallel string or multiple completion well

166384, 1661175, 175 61, E21B 708, E21B 4314

Patent

active

048077046

ABSTRACT:
Multiple wellbores may be extended from a common, generally vertical wellbore and completed for conduction of fluids between said common wellbore and each of said wells by drilling the common wellbore, inserting a seal bore into the common wellbore below the junction of a deviated well with said common wellbore, inserting a whipstock and then drilling the deviated well. The whipstock is removed and a guide member is inserted into the common wellbore and secured to the anchor member. A dual packer is inserted in the common wellbore above the junction of the deviated well and is connected to the guide member to provide a slow passage into the wellbore located below the junction. A second tubing guide connector member is inserted into the common wellbore with a tubing string extending downwardly therefrom. The tubing string is passed through the dual packer and into the deviated well and the second guide member is latched to the dual packer to provide dual flow paths from each of the separate wellbores into the common wellbore or to the surface. The second guide member includes separate configurations for the respective flow passages to permit insertion of tubing strings and separate guide heads into selected wellbores for various well operations.

REFERENCES:
patent: 3170518 (1965-02-01), Brown
patent: 4067385 (1978-01-01), Schwager et al.
patent: 4304299 (1981-12-01), Holland et al.
patent: 4396075 (1983-08-01), Wood et al.
patent: 4396230 (1983-08-01), Wood et al.
patent: 4402551 (1983-09-01), Wood et al.
patent: 4415205 (1983-11-01), Rehm et al.

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