.~ Driving core receiver by explosion or with receptacle collecting material in bore
DEFINITION
Classification: 175/4
(under subclass 2) Subject matter directed to an explosive apparatus which includes or is combined with (1) a core receiving barrel or tube which is propelled into the formation by an explosive charge or (2) a receptacle or the like which is described as adapted to collect and remove a sample of the formation from the hole.
(1) Note. An apparatus having a receptacle or the like described as adapted to collect only fluid is included under this definition, as well as a receptacle adapted to collect solid formation material or both fluid and solid formation material.
SEE OR SEARCH CLASS
166, Wells,
264, for a process of sampling only fluid from a well, and including an explosive boring step.