Method of drilling multiple radial wells using multiple string d

Details Method of drilling multiple radial wells using multiple string d Method of drilling multiple radial wells using multiple string d

1993-05-21

1995-03-07

Dang, Hoang C.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Tool position direction or inclination measuring or...

175 61, 166255, E21B 706

Patent

active

053949501

ABSTRACT:
A method of drilling radial boreholes from a first borehole without withdrawing the drill string from the hole, by providing a first carrier string, a drill string within the carrier string, and a method for orienting the position of the carrier string relative to the position of the inner string, so that the strings are co-oriented, without the need to retrieve either the carrier string or the inner drill string from the bore hole for drilling consecutive radial wells.

REFERENCES:
patent: 1806509 (1931-05-01), Straatman
patent: 2327658 (1943-08-01), Miller
patent: 2419468 (1947-04-01), Smith
patent: 2425319 (1947-08-01), Hering
patent: 4303299 (1981-12-01), Holland et al.
patent: 4420049 (1983-12-01), Holbert
patent: 4852666 (1989-08-01), Brunet et al.
patent: 5035292 (1991-07-01), Bailey et al.
patent: 5115872 (1992-05-01), Brunet et al.

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