The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 2020
Filed:
Dec. 21, 2017
Applicant:
Tracto-technik Gmbh & Co. KG, Lennestadt, DE;
Inventor:
Sebastian Fischer, Lennestadt, DE;
Assignee:
TRACTO-TECHNIK GmbH & Co. KG, Lennestadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 21/06 (2006.01); B01F 15/00 (2006.01); B01F 15/04 (2006.01); E21B 21/01 (2006.01);
U.S. Cl.
CPC ...
E21B 21/062 (2013.01); B01F 15/00207 (2013.01); B01F 15/00266 (2013.01); B01F 15/0408 (2013.01); B01F 2215/0081 (2013.01); E21B 21/01 (2013.01);
Abstract
It is described how to provide a drilling fluid for earth drilling, wherein the drilling fluid comprises a liquid and at least one mineral. A recycling device preconditions supplied drilling fluid. At least one drilling fluid analyzer is provided for determining the state of drilling fluid that comes out of the borehole. There is also a mixing device for mixing drilling fluid reconditioned by the recycling device with liquid and/or mineral, wherein the mixing device is coupled to the drilling fluid analyzer in order to perform mixing according to the state of the drilling fluid.