Sealed Core

摘要

A sidewall coring apparatus for obtaining a plurality of formation cores from a sidewall of a wellbore includes a core catching tube configured to be sealed downhole and to store at least one of the formation cores therein. The core catching tubes includes a first end that may be sealed by a first sealing mechanism, and an opposite end that may be sealed by a second sealing mechanism. The core catching tube also includes a fluid evacuation port that may be sealed downhole.

主权项

1. An apparatus, comprising:
a sidewall coring tool configured to obtain a plurality of sidewall formation cores from a sidewall of a wellbore extending into a subterranean formation, wherein the sidewall coring tool comprises:
a core catching tube configured to store at least one of the plurality of sidewall formation cores therein, wherein the core catching tube comprises a fluid port configured to allow evacuation of fluid from the core catching tube as the at least one sidewall formation core is introduced therein, and wherein the core catching tube, including the fluid port, is configured to be sealed downhole;a first sealing mechanism configured to couple with a first end of the core catching tube, thus contributing to sealing of the at least one sidewall formation core in the core catching tube; anda second sealing mechanism configured to couple with a second end of the core catching tube, thus contributing to sealing of the at least one sidewall formation core in the core catching tube.