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SCHLUMBERGER CA LTD

Overview
  • Total Patents
    5,902
  • GoodIP Patent Rank
    1,134
  • Filing trend
    ⇩ 37.0%
About

SCHLUMBERGER CA LTD has a total of 5,902 patent applications. It decreased the IP activity by 37.0%. Its first patent ever was published in 1968. It filed its patents most often in Canada, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets civil engineering, measurement and basic materials chemistry are SCHLUMBERGER TECHNOLOGY BV, PRAD RES & DEV LTD and SCHLUMBERGER TECHNOLOGY CORP.

Patent filings per year

Chart showing SCHLUMBERGER CA LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Varkey Joseph 70
#2 Clark Brian 65
#3 Lecerf Bruno 60
#4 Mullins Oliver C 60
#5 Chen Yiyan 59
#6 Shampine Rod 57
#7 Stoller Christian 56
#8 Taherian Reza 55
#9 Pessin Jean-Louis 53
#10 Sullivan Philip F 50

Latest patents

Publication Filing date Title
CA3097149A1 System and methodology to integrate m-tool nozzle with sand screen
CA3087962A1 Coordinated pumping operations
CA3065684A1 Dynamic reservoir characterization
CA3058525A1 Self metering setting tool having integrated wireline adapter kit functionality
CA3115224A1 Oilfield system
WO2021066669A1 Systems, methods, and apparatus to measure flare burner emissions
WO2021040556A1 Methods for determining a position of a droppable object in a wellbore
CA3053130A1 Torque-balanced, gas-sealed wireline cables
WO2021020986A1 A method of determining depths of wellbore reflectors
WO2021020985A1 A method and system for monitoring a wellbore object using a reflected pressure signal
CA3105197A1 Cement compositions and methods
CA3100068A1 Multi-domain planning and execution
CA3099979A1 Geologic formation neutron porosity system
CA3099705A1 Corrosion inhibitor with improved performance at high temperatures
CA3097743A1 Fault radiation based grid compartmentalization
CA3091023A1 Tool positioning technique
WO2020153864A1 Single trip completion systems and methods
CA3089221A1 Automated control of hydraulic fracturing pumps
WO2020122747A1 Refrac efficiency monitoring
WO2020122746A1 Method and system of evaluating hydrocarbon in heterogeneous formation