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.

Date of Patent:
Apr. 07, 2020

Filed:

Nov. 06, 2015
Applicant:

Lamberti Spa, Albizzate (VA), IT;

Inventors:

Erik Gallo, Mottalciata, IT;

Luigi Merli, Saronno, IT;

Pierangelo Pirovano, Comerio, IT;

Letizia Privitera, Sumirago, IT;

Massimo Cecchetto, Oggiona con Santo Stefano, IT;

Giovanni Floridi, Novara, IT;

Giuseppe Li Bassi, Gavirate, IT;

Assignee:

Lamberti SPA, Albizzate (VA), IT;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 21/00 (2006.01); C09K 8/36 (2006.01); C09K 8/58 (2006.01); C09K 8/584 (2006.01);
U.S. Cl.
CPC ...
C09K 8/36 (2013.01); C09K 8/58 (2013.01); C09K 8/584 (2013.01); E21B 21/00 (2013.01); C09K 2208/10 (2013.01); C09K 2208/14 (2013.01); C09K 2208/34 (2013.01);
Abstract

Method for increasing lubricity of a wellbore fluid comprising the following steps: i) preparing a water in oil microemulsion that contains insoluble particles of metal hydroxides and/or metal oxides in the inner aqueous phase, the insoluble particles being synthesized from their salt precursors in the water droplets of the microemulsion; ii) adding to the wellbore fluid the water in oil microemulsion; iii) injecting the wellbore fluid into a subterranean formation and iv) performing the drilling, completion or coiled tubing operations in the subterranean formation.


Find Patent Forward Citations

Loading…