Global Patent Index - EP 0994235 A2

EP 0994235 A2 2000-04-19 - Apparatus for continuous mixing drilling fluid

Title (en)

Apparatus for continuous mixing drilling fluid

Title (de)

Durchlauf-Mischanlage für Bohrflüssigkeit

Title (fr)

Dispositif de mélange en continu de fluide de forage

Publication

EP 0994235 A2 (DE)

Application

EP 99120187 A

Priority

  • DE 29818289 U
  • DE 19918775 A

Abstract (en)

Mixing apparatus has a high pressure pump (7) and a pipe (21) for the addition medium. The pipe (21) is arranged in the flow direction in front of the high pressure pump (7). An Independent claim is included for the process of producing drilling fluid in which the addition medium is feed to the service water in front or behind a high pressure pump (7).

Abstract (de)

Die Erfindung betrifft eine Mischanlage zum Herstellen einer Bohrflüssigkeit für Horizontalbohrverfahren mit einer Hochdruckpumpe (7) und einer Zuleitung (21) für das Zugabemedium, die in Flußrichtung vor der Hochdruckpumpe (7) angeordnet ist. <IMAGE>

IPC 1-7 (main, further and additional classification)

E21B 21/06; B01F 3/12; B01F 5/10; E21B 21/08

IPC 8 full level (invention and additional information)

B01F 3/12 (2006.01); B01F 5/04 (2006.01); B01F 5/06 (2006.01); B01F 15/00 (2006.01)

CPC (invention and additional information)

B01F 3/1271 (2013.01); B01F 5/0413 (2013.01); B01F 5/0602 (2013.01); B01F 15/00123 (2013.01); B01F 2003/125 (2013.01)

Designated contracting state (EPC)

CH GB LI

EPO simple patent family

EP 0994235 A2 20000419; EP 0994235 A3 20020130; EP 0994235 B1 20041229; AU 5348999 A 20000420; AU 762491 B2 20030626; AU 762491 C 20050217

INPADOC legal status


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