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Downhole Tools And Methods Of Setting In A Wellbore

Abstract: A downhole tool disposed in a drillstring includes a bypass valve unit including at least one bypass port, wherein the bypass port is configured to control fluid flow from a central bore of the drillstring to a wellbore annulus, and an activation sub having a frangible obstruction disposed in a central bore thereof and configured to prevent fluid flow to an anchor downhole during a circulation mode, wherein the frangible obstruction is configured to break at a specified fluid pressure in the central bore to allow fluid communication to below.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
29 December 2011
Publication Number
43/2012
Publication Type
INA
Invention Field
COMMUNICATION
Status
Email
Parent Application

Applicants

SMITH INTERNATIONAL, INC.,
1310 RANKIN RD, HOUSTON, TEXAS 77073 UNITED STATES OF AMERICA

Inventors

1. BRVIN, DAVID L.
1310 RANKIN RD, HOUSTON, TEXAS 77073 UNITED STATES OF AMERICA

Specification

NA

Documents

Application Documents

# Name Date
1 10405-DELNP-2011-AbandonedLetter.pdf 2018-08-23
1 10405-DELNP-2011-Correspondence others-(05-01-2012).pdf 2012-01-05
2 10405-DELNP-2011-Assignment-(05-01-2012).pdf 2012-01-05
2 10405-DELNP-2011-FER.pdf 2017-12-14
3 Other Patent Document [30-05-2016(online)].pdf 2016-05-30
3 10405-delnp-2011-Form-18-(06-01-2012).pdf 2012-01-06
4 10405-DELNP-2011-Correspondence-Others-(31-03-2014).pdf 2014-03-31
4 10405-delnp-2011-Correspondence others-(06-01-2012).pdf 2012-01-06
5 10405-delnp-2011-Form-3-(15-05-2012).pdf 2012-05-15
5 10405-delnp-2011-Abstract.pdf 2012-07-27
6 10405-delnp-2011-Correspondence Others-(15-05-2012).pdf 2012-05-15
6 10405-delnp-2011-Claims.pdf 2012-07-27
7 Abstract.jpg 2012-07-27
7 10405-delnp-2011-Correspondence Others.pdf 2012-07-27
8 10405-delnp-2011-GPA.pdf 2012-07-27
8 10405-delnp-2011-Description (Complete).pdf 2012-07-27
9 10405-delnp-2011-Drawings.pdf 2012-07-27
9 10405-delnp-2011-Form-5.pdf 2012-07-27
10 10405-delnp-2011-Form-1.pdf 2012-07-27
10 10405-delnp-2011-Form-3.pdf 2012-07-27
11 10405-delnp-2011-Form-2.pdf 2012-07-27
12 10405-delnp-2011-Form-1.pdf 2012-07-27
12 10405-delnp-2011-Form-3.pdf 2012-07-27
13 10405-delnp-2011-Drawings.pdf 2012-07-27
13 10405-delnp-2011-Form-5.pdf 2012-07-27
14 10405-delnp-2011-Description (Complete).pdf 2012-07-27
14 10405-delnp-2011-GPA.pdf 2012-07-27
15 10405-delnp-2011-Correspondence Others.pdf 2012-07-27
15 Abstract.jpg 2012-07-27
16 10405-delnp-2011-Claims.pdf 2012-07-27
16 10405-delnp-2011-Correspondence Others-(15-05-2012).pdf 2012-05-15
17 10405-delnp-2011-Abstract.pdf 2012-07-27
17 10405-delnp-2011-Form-3-(15-05-2012).pdf 2012-05-15
18 10405-delnp-2011-Correspondence others-(06-01-2012).pdf 2012-01-06
18 10405-DELNP-2011-Correspondence-Others-(31-03-2014).pdf 2014-03-31
19 Other Patent Document [30-05-2016(online)].pdf 2016-05-30
19 10405-delnp-2011-Form-18-(06-01-2012).pdf 2012-01-06
20 10405-DELNP-2011-FER.pdf 2017-12-14
20 10405-DELNP-2011-Assignment-(05-01-2012).pdf 2012-01-05
21 10405-DELNP-2011-Correspondence others-(05-01-2012).pdf 2012-01-05
21 10405-DELNP-2011-AbandonedLetter.pdf 2018-08-23

Search Strategy

1 SEARCHSTRATEGY2_11-07-2017.pdf