David O. JOHNSON

City:

Spring, Texas

Country:

United States

Published Applications:

Last publication date:

2009-08-13

Top Assignees for applications by David O. JOHNSON

The entities that hold a legal rights for patent applications filed by inventor JOHNSON David O.:

HALLIBURTON ENERGY SERVICES, INC. 3 Houston, TX United States
HALLIBURTON ENERGY SERVICES, INC. 3 Carrollton, TX United States
Halliburton Energy Services, Inc. 2 Duncan, OK United States
WELLDYNAMICS, B.V. 1 Leiderdorp, Netherlands
HALLIBURTON ENERGY SERIVES, INC. 1 Houston, TX United States

Recent patent applications by JOHNSON David O.

David O. JOHNSON from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2009-08-13

US20090200021A1

Fixed constructions

Perforation method and apparatus

#2 | 2008-10-30

US20080264163A1

Fixed constructions

Tracking fluid displacement along a wellbore using real time temperature measurements

#3 | 2008-10-30

US20080264162A1

Fixed constructions

Tracking fluid displacement along a wellbore using real time temperature measurements

#4 | 2007-10-11

US20070235186A1

Fixed constructions

Pressure communication assembly external to casing with connectivity to pressure source

#5 | 2007-10-11

US20070234789A1

Fixed constructions

Fluid distribution determination and optimization with real time temperature measurement

#6 | 2007-10-11

US20070234788A1

Fixed constructions

Tracking fluid displacement along a wellbore using real time temperature measurements

#7 | 2007-08-16

US20070186640A1

Fixed constructions

Single point and fiber optic temperature measurement for correction of a gas column weight in a well

#8 | 2006-03-09

US20060048937A1

Fixed constructions

Perforation method and apparatus

#9 | 2005-12-22

US20050281511A1

Physics

Fiber optic splice housing and integral dry mate connector system

InventorID:

4001980 ⎘