APPARATUS AND METHODS FOR SPONGE CORING

摘要

A sponge core barrel for use in performing sponge coring and methods of assembling the sponge core barrel, as well as methods of performing sponge coring. The sponge corre barrel includes an outer barrel assembly, a core bi t secured to a lower end thereof, and an inner barrel assembly disposed therei n. The inner barrel assembly may comprise multiple, sponge-lined inner tube sections. One or more sponge liners comprising an annular sponge layer secur ed within a tubular sleeve may be disposed within the inner barrel assembly. Th e present invention encompasses a number of embodiments of an improved sponge liner, as well as an inner barrel assembly comprised of one or more integrat ed sponge barrels.