A blocking body assembled by a sampler includes a tubular body with a blocking device, which is fixed to a drill hole, blocking hole and fluid groove; a sampler head assembly; and a drilling system to recover a T-shaped sample. And drilling methods.

摘要

U. S. P imp amp; Iacute; the essence of the invention; oacute; n relates to a sealing device for installing a sampler, assembling the sampler, core drilling system, core drilling system and amp; oacute; all drilling rigs and amp; oacute; allow an R amp's n; Aacute; to request to install and remove the sampler from the sampler. The sampler assembly blocking device includes a tubular body, at least two blocking holes, at least one fluid tank, a first fluid port and a driving part. In another case, it includes a tubular body, an action member, at least one rludoy port and at least one fil / Ido port. In itself,For example, the witness head assembly comprises a locking body, a plurality of lock openings, a locking mechanism, at least one fluid slot and a first fluid port. The drilling system comprises a drill string and a witness assembly. Finally, the drilling process includes inserting a nacatestigo assembly into a drill string, I will send) a witness assembly along the drill string and rotating the drill string. / P