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1. WO2016142534 - DOWNHOLE TOOL AND BOTTOM HOLE ASSEMBLY FOR RUNNING A STRING IN A WELLBORE

Publication Number WO/2016/142534
Publication Date 15.09.2016
International Application No. PCT/EP2016/055341
International Filing Date 11.03.2016
IPC
E21B 17/14 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
17Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings
14Casing shoes
CPC
E21B 17/14
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
17Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods ; ; Cables; Casings; Tubings
14Casing shoes ; for the protection of the bottom of the casing
Applicants
  • TERCEL OILFIELD PRODUCTS BELGIUM SA [BE]/[BE]
  • TERCEL IP LIMITED
Inventors
  • BEN HAMIDA, Malek
  • SLUYS, Nicolas
  • HAHATI, Abdelhakim
  • DESCHAMPS, Benoît
Agents
  • PRONOVEM - OFFICE VAN MALDEREN
Priority Data
15158710.211.03.2015EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DOWNHOLE TOOL AND BOTTOM HOLE ASSEMBLY FOR RUNNING A STRING IN A WELLBORE
(FR) OUTIL DE FOND DE TROU ET ENSEMBLE FOND DE PUITS POUR ACTIONNER UN TRAIN DE TIGES DANS UN PUITS DE FORAGE
Abstract
(EN)
The invention relates to a downhole tool (1) having a generally cylindrical body (2) comprising a rear end (3) adapted for connection to the bottom of a string or to a motor shaft, and terminated by a nose portion (5) comprising the front end (4) of the tool, the said body further comprising: - a passive area (6); - a front cutting area (7) undergauge relative to the said passive area and arranged between the said passive area and the said front end.
(FR)
L'invention concerne un outil de fond de trou ayant un corps généralement cylindrique comprenant une extrémité arrière conçue pour être reliée au fond d'un train de tiges ou à un arbre de moteur, et se terminant par une partie de nez comprenant l'extrémité avant de l'outil, ledit corps comprenant en outre : - une zone passive ; - une zone de coupe avant sous-calibrée par rapport à ladite zone passive et agencée entre ladite zone passive et ladite extrémité avant.
Latest bibliographic data on file with the International Bureau