Global Patent Index - EP 1623088 A1

EP 1623088 A1 20060208 - METHOD TO RECOVER BRINE FROM DRILLING FLUIDS

Title (en)

METHOD TO RECOVER BRINE FROM DRILLING FLUIDS

Title (de)

VERFAHREN ZUR RÜCKGEWINNUNG VON SOLE AUS BOHRFLÜSSIGKEITEN

Title (fr)

PROCEDE DESTINE A RECUPERER UNE SAUMURE A PARTIR DE LIQUIDES DE FORAGE

Publication

EP 1623088 A1 20060208 (EN)

Application

EP 04759432 A 20040412

Priority

  • US 2004011192 W 20040412
  • US 46302103 P 20030415

Abstract (en)

[origin: US2004209781A1] Processes to recover brine from drilling fluids and other fluids is described. One process involves filtering drilling fluids or other well servicing fluids using a rotary vacuum filter to recover at least a portion of the brine in the drilling fluid. Well servicing fluids, including drilling fluids, containing recycled brine are further described.

IPC 1-7

E21B 21/06

IPC 8 full level

B01D 21/00 (2006.01); E21B 21/06 (2006.01)

CPC (source: EP US)

B01D 21/0012 (2013.01 - EP US); E21B 21/065 (2013.01 - EP US)

Citation (search report)

See references of WO 2004092534A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

US 2004209781 A1 20041021; EP 1623088 A1 20060208; NO 20055374 L 20051114; WO 2004092534 A1 20041028

DOCDB simple family (application)

US 82382004 A 20040414; EP 04759432 A 20040412; NO 20055374 A 20051114; US 2004011192 W 20040412