E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 25/00 (2006.01) E02D 1/04 (2006.01)
Patent
CA 2577110
The coring tubular has a body, at least one opening hole (14) radially oriented in the tubular body and a parting line (12) 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.
L~invention concerne un tubulaire de carottage comprenant un corps, au moins un trou d~ouverture (14) orienté radialement dans le corps du tubulaire et une ligne de séparation (12) située dans le corps du tubulaire. L~invention concerne en outre un procédé de réduction de la contamination d~une carotte. Le procédé comprend la pose d~un tubulaire de carottage présentant les caractéristiques exposées dans le paragraphe précédent dans un tubulaire de carottage, pour faire avancer le tubulaire pour obtenir un échantillon et pour retirer le forage en furetant l~ouverture tubulaire au niveau d~un trou d~ouverture situé le long de la ligne de séparation.
Baker Hughes Incorporated
Sim & Mcburney
LandOfFree
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