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Balasubramanian Durairajan
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Sugar Land, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of designing and optimizing fixed cutter drill bits using dy...
Patent number
11,016,466
Issue date
May 25, 2021
Schlumberger Technology Corporation
Andrew Dow
G01 - MEASURING TESTING
Information
Patent Grant
Kerfing hybrid drill bit and other downhole cutting tools
Patent number
10,851,594
Issue date
Dec 1, 2020
Smith International, Inc.
Michael George Azar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fixed cutter bits and other downhole tools having non-planar cuttin...
Patent number
10,794,118
Issue date
Oct 6, 2020
Smith International, Inc.
Michael G. Azar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rolling cutter stability
Patent number
10,774,596
Issue date
Sep 15, 2020
Smith International, Inc.
Youhe Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Indexing drill bit
Patent number
10,731,420
Issue date
Aug 4, 2020
Schlumberger Technology Corporation
Scott S. Dahlgren
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND ARCHITECTURE FOR COMPARING AND SELECTING A DRILL BIT DESIGN
Publication number
20200270972
Publication date
Aug 27, 2020
SCHLUMBERGER TECHNOLOGY CORPORATION
Ambalavanan Sachidanandam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
FIXED CUTTER BITS AND OTHER DOWNHOLE TOOLS HAVING NON-PLANAR CUTTIN...
Publication number
20180334860
Publication date
Nov 22, 2018
Smith International, Inc.
Michael G. Azar
E21 - EARTH DRILLING MINING
Information
Patent Application
IMPROVEMENTS ON ROLLING CUTTER STABILITY
Publication number
20180283106
Publication date
Oct 4, 2018
Smith International, Inc.
Youhe Zhang
E21 - EARTH DRILLING MINING
Information
Patent Application
KERFING HYBRID DRILL BIT AND OTHER DOWNHOLE CUTTING TOOLS
Publication number
20180230756
Publication date
Aug 16, 2018
Smith International, Inc.
Michael George Azar
E21 - EARTH DRILLING MINING
Information
Patent Application
INDEXING DRILL BIT
Publication number
20180087323
Publication date
Mar 29, 2018
SCHLUMBERGER TECHNOLOGY CORPORATION
Scott S. Dahlgren
E21 - EARTH DRILLING MINING
Information
Patent Application
Method of Designing and Optimizing Fixed Cutter Drill Bits Using Dy...
Publication number
20180088552
Publication date
Mar 29, 2018
Smith International, Inc.
Andrew Dow
G01 - MEASURING TESTING