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1. WO1996004350 - FOAMED DRILLING FLUIDS, THEIR PROCESS FOR PREPARATION AND THE CORRESPONDING DRILLING METHOD

Publication Number WO/1996/004350
Publication Date 15.02.1996
International Application No. PCT/EP1995/003102
International Filing Date 04.08.1995
IPC
C09K 8/38 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
02Well-drilling compositions
38Gaseous or foamed well-drilling compositions
CPC
C09K 8/38
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
8Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
02Well-drilling compositions
38Gaseous or foamed well-drilling compositions
Applicants
  • SOFITECH N.V. [BE/BE]; Rue de Stalle 142 B-1180 Brussels, BE (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, NE, NO, SN, TD, TG)
  • SCHLUMBERGER CANADA LIMITED [CA/CA]; 24th floor Monenco Place 801 6th Avenue, S.W. Calgary, Alberta T2P 3W2, CA (CA)
  • WILLIAMSON, Don [US/FR]; FR (UsOnly)
Inventors
  • WILLIAMSON, Don; FR
Agents
  • MENES, Catherine; Etudes & Productions Schlumberger Division Dowell 26, rue de la Cavée Boîte postale 202 F-92142 Clamart Cédex, FR
Priority Data
94401810.004.08.1994EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) FOAMED DRILLING FLUIDS, THEIR PROCESS FOR PREPARATION AND THE CORRESPONDING DRILLING METHOD
(FR) FLUIDES DE FORAGE MOUSSANTS, PROCEDE DE PREPARATION ET PROCEDE DE FORAGE CORRESPONDANT
Abstract
(EN)
The present invention is directed to an aqueous foamed drilling fluid for drilling well bores into a subterranean formation, comprising water, at least one clay and at least one foaming agent. According to the invention, it further comprises at least one metal hydroxide. The invention further relates to a method for preparing said foamed drilling fluid.
(FR)
L'invention concerne un fluide de forage moussant et aqueux s'utilisant pour percer des puits de forage dans une formation souterraine et qui est composé d'eau, d'au moins une argile et d'au moins un agent moussant. D'après l'invention, il comprend, de plus, un hydroxyde de métal. L'invention concerne, de plus, un procédé de préparation dudit fluide de forage moussant.
Also published as
Latest bibliographic data on file with the International Bureau