Learn more

ELF EXPLORATION PROD

Overview
  • Total Patents
    349
About

ELF EXPLORATION PROD has a total of 349 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Norway, United States and France. Its main competitors in its focus markets measurement, civil engineering and chemical engineering are CORE LAB LP, REEVES WIRELINE TECH LTD and SOC D PROSPECTION ELECTR SCHLU.

Patent filings per year

Chart showing ELF EXPLORATION PRODs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Keskes Naamen 48
#2 Lemetayer Pierre 36
#3 Rabiller Philippe 28
#4 Nougayrede Jean 27
#5 Pauget Fabien 23
#6 Savin-Poncet Sabine 20
#7 Bazelaire Eric De 19
#8 De Bazelaire Eric 19
#9 Beauquin Jean-Louis 17
#10 Botrel Thierry 17

Latest patents

Publication Filing date Title
FR2808336A1 Method of chrono-stratigraphic interpretation of a seismic section or block
FR2804467A1 Device for removing plugs of hydrates from gases or paraffins forming in well drilling equipment or producing or transporting hydrocarbons
GC0000120A Method for controlling a hydrocarbons production well activated by injection of gas.
GC0000121A Method for controlling a hydrocarbons production well of the gushing type.
US6540021B1 Method for detecting inflow of fluid in a well while drilling and implementing device
FR2800875A1 Method and device for determining the threshold of deposition of heavy fractions contained in a liquid hydrocarbon fluid
FR2800090A1 Process for deacidifying crude oils and device for implementing same
FR2798158A1 Method and device for controlling venues in an oil well during drilling or completion
FR2798232A1 Electric ac motor
FR2797329A1 Method for developing well impact point position likely cards
FR2796105A1 Method of charging an underwater hydraulic pressure accumulator
FR2792071A1 Device for taking samples of a flowing liquid in a pipeline
FR2791362A1 Method for detecting sulfato-reducing bacteria
FR2791351A1 Biodegradable drilling sludge and preparation method
FR2790101A1 Method for determining at least one optimal path to reach a fuzzy target located in a medium from a point away from the target
GB9911625D0 Method of operating an oil and gas production well activated by a pumping system
FR2788451A1 Process of destruction of a rigid thermal insulator arranged in a contained space
FR2788600A1 Method for detecting the formation of a deposit of material contained in a fluid, on a side of a thermal flow sensor and device for carrying out said method
FR2787827A1 Method for adjusting to a objective value of a level of drilling liquid in an extension tube of a wellbore installation and device for carrying out said method
FR2786294A1 Method for detection of chaotic structures in a given medium