Coring tubular and method for reducing contamination and...

Details Coring tubular and method for reducing contamination and... Coring tubular and method for reducing contamination and...

2008-03-25

2008-03-25

Thompson, Kenneth (Department: 3672)

Boring or penetrating the earth

Processes

Sampling of earth formations

C175S020000, C073S864440, C073S864910

Reexamination Certificate

active

07347281

ABSTRACT:
Disclosed herein is a coring tubular. The coring tubular has a body, at least one opening hole radially oriented in the tubular body and a parting line in the tubular body. Further disclosed herein is a method for reducing contamination of a core sample. The method includes installing a coring tubular having features set forth in the foregoing paragraph in a coring tubular, running the tubular to obtain a sample and retrieving the bore by prying the tubular open at an opening hole along the parting line.

REFERENCES:
patent: 1785405 (1930-12-01), Candee
patent: 1857693 (1932-05-01), Quintrell
patent: 2587231 (1952-02-01), Schierding
patent: 3092192 (1963-06-01), Deely
patent: 3247315 (1966-04-01), Miller
patent: 3874465 (1975-04-01), Young et al.
patent: 5209310 (1993-05-01), Clydesdale
patent: 5439065 (1995-08-01), Georgi
patent: 6772651 (2004-08-01), Scott et al.
Half Moon Liner, http://www.corpro.co.uk/Half—Moon.htm (5 pgs.).
Thin Sleeve System (TSS), http://www.corpro.co.uk/tss.htm (5 pgs.).

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