Sponge coring apparatus with reinforced sponge

Details Sponge coring apparatus with reinforced sponge Sponge coring apparatus with reinforced sponge

1983-07-13

1985-03-05

Leppink, James A.

Boring or penetrating the earth

Processes

Sampling of earth formations

175236, 166228, E21B 2506

Patent

active

045025533

ABSTRACT:
A well coring apparatus (10) includes an outer barrel (12) and an inner barrel (18). A hollow sponge (50) is disposed along a liner (52) for insertion into the inner barrel (18). The sponge (50) is operable to absorb subterranean fluid from a well core (54). A plurality of reinforcing members (56) are disposed on the inner surface of the liner (52) to prevent movement of the sponge (50) with respect thereto. A plurality of orifices (58) are disposed in the surface of the liner (52) to allow gas and/or fluid to escape from the interior thereof when the subterranean fluid contained within the core (54) bleeds into the sponge (50).

REFERENCES:
patent: 2257344 (1941-09-01), Maloney
patent: 4312414 (1982-01-01), Park

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