E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/04 (2006.01) E21B 21/00 (2006.01) E21B 37/00 (2006.01)
Patent
CA 2322484
Method and apparatus for removing drill cuttings (CB) from a deviated wellbore (WB) drilled with coiled tubing (CT), and more particularly method and apparatus for removing "cutting beds" from a significantly horizontal wellbore drill with a downhole motor (M) by creating flow of fluid in the wellbore at a critical flow rate, above a flow rate range designed for the drilling.
L'invention porte sur un procédé et un appareil d'extraction des débris de forage (CB) d'un puits dévié foré au moyen d'un train bobiné et en particulier sur un procédé et un appareil d'extraction de "lits de débris" de puits forés sensiblement horizontaux à l'aide d'un moteur de fond de puits (M), par la création, dans le forage, d'un courant de liquide à débit critique supérieur aux débits usuels de forage.
Misselbrook John G.
Wilde Graham B.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Bj Services Company U.s.a.
LandOfFree
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