CPC E21B 47/0228 (2020.05) [E21B 43/305 (2013.01); E21B 47/024 (2013.01); E21B 47/13 (2020.05); G01V 3/30 (2013.01); G06F 1/3206 (2013.01)] | 20 Claims |
14. A method of determining a relative location between two points in a well system, the method comprising:
installing a well shoe device into a cased drilled well at a first location, wherein:
the well shoe device includes at least one element capable of generating a magnetic field,
the at least one element capable of generating a magnetic field is located in an interior of a hollow rigid outer shell of the well shoe device that fully encloses the at least one element, and
the magnetic field is energized by an excitation source; and
determining a relative location of the well shoe device, utilizing a measured magnetic field, by a ranging receiver located at a second location in the well system.
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