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1. WO2020091883 - BOTTOM HOLE ASSEMBLY WITH A CLEANING TOOL

Publication Number WO/2020/091883
Publication Date 07.05.2020
International Application No. PCT/US2019/048419
International Filing Date 27.08.2019
IPC
E21B 7/06 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
7Special methods or apparatus for drilling
04Directional drilling
06Deflecting the direction of boreholes
E21B 29/06 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
29Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
06Cutting windows, e.g. directional window cutters for whipstock operations
E21B 37/00 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
37Methods or apparatus for cleaning boreholes or wells
E21B 41/00 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
41Equipment or details not covered by groups E21B15/-E21B40/95
CPC
E21B 23/01
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
23Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
01for anchoring the tools or the like
E21B 29/06
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
29Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows
06Cutting windows, e.g. directional window cutters for whipstock operations
E21B 37/00
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
37Methods or apparatus for cleaning boreholes or wells
E21B 37/04
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
37Methods or apparatus for cleaning boreholes or wells
02Scrapers specially adapted therefor
04operated by fluid pressure, e.g. free-piston scrapers
E21B 41/0035
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
41Equipment or details not covered by groups E21B15/00 - E21B40/00
0035Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
E21B 7/061
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
7Special methods or apparatus for drilling
04Directional drilling
06Deflecting the direction of boreholes
061the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
Applicants
  • WEATHERFORD TECHNOLOGY HOLDINGS, LLC [US]/[US]
Inventors
  • HORA, Kenneth D.
  • SMALLEY, Michael
  • TEALE, David W.
Agents
  • PATTERSON, William B.
  • HUANG, Jason C.
Priority Data
16/176,85231.10.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) BOTTOM HOLE ASSEMBLY WITH A CLEANING TOOL
(FR) ENSEMBLE DE FOND DE TROU DOTÉ D'UN OUTIL DE NETTOYAGE
Abstract
(EN)
A bottom hole assembly for use in a wellbore includes a whipstock; a downhole tool coupled to the whipstock; and a cleaning tool coupled to the downhole tool for cleaning a portion of a wall of the wellbore, wherein the downhole tool is configured to engage the cleaned portion of the wall. In one example, the cleaning tool includes a body and a plurality of cleaning elements for cleaning the portion of the wall.
(FR)
Un ensemble de fond de trou destiné à être utilisé dans un puits de forage comprend un sifflet déviateur ; un outil de fond de trou couplé au sifflet déviateur ; et un outil de nettoyage couplé à l'outil de fond de trou pour nettoyer une partie d'une paroi du puits de forage, l'outil de fond de trou étant conçu pour venir en prise avec la partie nettoyée de la paroi. Dans un exemple, l'outil de nettoyage comprend un corps et une pluralité d'éléments de nettoyage pour nettoyer la partie de la paroi.
Also published as
Latest bibliographic data on file with the International Bureau