Detachable latch head for core drilling

A latch head assembly for a core receiving apparatus including a core tube assembly and a retrieving head is provided. The latch head assembly includes a support, a first coupling for releasably engaging the retrieving device coupled to a first end of the support, and a second coupling for releasabl...

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Bibliographische Detailangaben
1. Verfasser: Pardey, Harold M
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A latch head assembly for a core receiving apparatus including a core tube assembly and a retrieving head is provided. The latch head assembly includes a support, a first coupling for releasably engaging the retrieving device coupled to a first end of the support, and a second coupling for releasably engaging the core tube assembly coupled to a second end of the support. A core receiving apparatus including the latch head assembly is also provided. A method for inserting and retrieving the core receiving apparatus into and from a drill string is also provided.