Boring or penetrating the earth – Automatic control – Of advance or applied tool weight
Patent
1992-01-31
1994-09-06
Britts, Ramon S.
Boring or penetrating the earth
Automatic control
Of advance or applied tool weight
175 38, 175 40, 166 651, E21B 4400
Patent
active
053439635
ABSTRACT:
Method and apparatus for actuating one or more downhole well tools carried by a production or workstring conduit having an imperforate wall and for blocking fluid communication between an activating fluid body and a second fluid source within said well across dynamic seals between actuating members of the well tool, by producing selective signals through the conduit wall detectable by a member to produce an activating signal for actuating the downhole well tool by a downhole energy source.
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Bouldin Brett W.
Jones Kevin R.
Owens Steven C.
Rothers Dave E.
Britts Ramon S.
Tsay Frank S.
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