Inventor

CHOLET HENRI

FR19 patents

⚠️ This page may combine multiple inventors who share the name “CHOLET HENRI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHOLET HENRI

INST FRANCAIS DU PETROLE

Device and installation for the cleaning of drains, particularly in a petroleum production well

Continuous mixing device, method and use in an installation for pumping a high viscosity fluid

Progressive-cavity pump with composite stator and manufacturing process

Device and method for pumping a viscous liquid comprising injecting a thinning product, application to horizontal wells

Device and installation for the cleaning of drains, particularly in a petroleum production well

Device for separating a mixture of free gas and liquid at the intake of a pump at the bottom of a drilled well

Method and improvement to drilling tools comprising water passages providing great efficiency in cleaning the cutting face

Drill bit with suction jet means

Driving device for displacing an element in a conduit filled with liquid

Usable device, in particular for the pumping of an extremely viscous fluid and/or containing a sizeable proportion of gas, particularly for petrol production

Volumetric pump driven by a continuous tube

Blade stabilizer provided with at least one fluid passage having a venturi effect, in particular for use in combination with a drill bit

Drill bit with suction jet means

Drill bit with suction jets

Inclined-jet drilling tool

Pumping system comprising a high-capacity positive-displacement pump

Device for pumping a fluid at the bottom of a well

Method and device for producing by pumping in a horizontal drain hole

BARDIN CHRISTIAN

Method and improvement to drilling tools allowing great efficiency in cleaning the cutting face