Title of Invention

SELF-DIVERTING FOAMED SYSTEM

Abstract This invention relates to a method of treating a subterranean formation penetrated by a wellbore with a first acid including the steps of: a) injecting a viscoelastic energized diverter system containing a viscoelastic surfactant, a second acid, and a gas, wherein said viscoelastic energized diverter system is able to increase in viscosity as the second acid is consumed by reaction with the formation, and b) 'injecting the first acid.
Full Text

Documents:

260-CHENP-2006 ABSTRACT.pdf

260-CHENP-2006 ASSIGNMENT.pdf

260-CHENP-2006 CLAIMS.pdf

260-CHENP-2006 CORRESPONDENCE OTHERS.pdf

260-CHENP-2006 CORRESPONDENCE PO.pdf

260-CHENP-2006 DESCRIPTION (COMPLETE).pdf

260-CHENP-2006 DRAWINGS.pdf

260-CHENP-2006 FORM 1.pdf

260-CHENP-2006 FORM 18.pdf

260-CHENP-2006 FORM 3.pdf

260-CHENP-2006 FORM 5.pdf

260-CHENP-2006 FORM 6.pdf

260-CHENP-2006 PCT.pdf

260-CHENP-2006 PETITIONS.pdf


Patent Number 231175
Indian Patent Application Number 260/CHENP/2006
PG Journal Number 13/2009
Publication Date 27-Mar-2009
Grant Date 03-Mar-2009
Date of Filing 20-Jan-2006
Name of Patentee SCHLUMBERGER TECHNOLOGY B.V
Applicant Address PARKSTRAAT 83-89, 2514 JG, THE HAGUE,
Inventors:
# Inventor's Name Inventor's Address
1 FRANCINI, Pia-Angela 1300 Woodhollow Drive, Houston, TX 77057,
2 CHAN, Keng 5023 Rebel Ridge Drive, Sugar Land, TX 77478,
3 FREDD, Christopher 1822 Timber Creek, Missouri City, TX 77459,
4 BRADY, Mark 826 Featherbrook, Sugar Land, TX 77479,
PCT International Classification Number E21B43/00
PCT International Application Number PCT/IB2003/006126
PCT International Filing date 2003-12-22
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 10/649,055 2003-08-27 U.S.A.
2 60/489,079 2003-07-22 U.S.A.