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BJ SERVICES CO

Overview
  • Total Patents
    886
About

BJ SERVICES CO has a total of 886 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets basic materials chemistry, civil engineering and machines are DOWELL A DIVISION OF SCHLUMBER, OSCA INC and B J SERVICES COMPANY.

Patent filings per year

Chart showing BJ SERVICES COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dawson Jeffrey C 101
#2 Qu Qi 60
#3 Brannon Harold D 45
#4 Bolding Jeffrey L 43
#5 Rae Philip J 43
#6 Lehr Douglas J 42
#7 Brannon Harold Dean 37
#8 Gupta D V Satyanarayana 32
#9 Rickards Allan R 32
#10 Wang Xiaolan 30

Latest patents

Publication Filing date Title
CA2702652A1 Apparatus and method for directionally disposing a flexible member in a pressurized conduit
CA2688738A1 Method and device for measuring thickness of a substrate
CA2688202A1 Viscoelastic fluids containing hydroxyethyl cellulose
CN101975049A Apparatus and methods for allowing fluid flow inside at least one screen and outside a pipe disposed in a well bore
CA2676517A1 Method of treating flow conduits and vessels with foamed composition
US2010024889A1 Unidirectional Flow Device and Methods of Use
BRPI0904873A2 fluid loss control and / or gas control additive, cement slurry and method for minimizing fluid loss during a well cementation operation
GB0911972D0 Method of increasing lubricity of brine-based drilling fluids and completion brines
BRPI0902704A2 Wellhead Valve Actuation Methods and Apparatus
CA2661382A1 Expandable mill and methods of use
CA2660219A1 System and method for thru tubing deepening of gas lift
CA2656344A1 Methods and compositions for protecting steels in acidic solutions
US2009283257A1 Radio and microwave treatment of oil wells
US2009159264A1 Hydraulic sleeve valve with position indication, alignment, and bypass
US2010175887A1 Subsurface Safety Valve Flapper
CA2645938A1 Methods and compositions for reducing fluid loss during treatment with viscoelastic surfactant gels
MX2008014639A Method of treating subterranean formations by in-situ hydrolysis of organic acid esters.
US7686081B1 Squeeze process for reactivation of well treatment fluids containing diatomaceous earth
CA2641479A1 Method of using polyquaterniums in well treatments
GB0812826D0 Well treating compositions for slow release of treatment agents and methods of using the same