Intevep S a patents

Filter control hpht additive for oil-based drilling fluids with petroleum coke

A method for controlling filtration loss during drilling to a downhole hydrocarbon bearing formation by drilling with a drilling fluid containing a filtration control additive that is made up of petroleum coke particles impregnated with a cationic surfactant and coated with a butadiene-styrene polymer.... Intevep S a

Nanocatalyst composition, making nanocatalyst composition and hydroconversion process using same

A method for making a nanocatalyst includes the steps of forming a mixture of a catalyst precursor, and a crude oil media, wherein the catalyst precursor is insoluble in the oil media, then heating the mixture in the presence of a stability agent, thereby liberating the catalyst particles from the... Intevep S a

Coke drum with air injection system for skirt junction

A coke drum includes a coke drum vessel having a substantially cylindrical wall and a conical bottom portion; a skirt downwardly depending from a transition of the cylindrical wall into the conical bottom portion, an inner annular space being defined between the skirt and the conical bottom portion; and a... Intevep S a

Process for the production of petroleum tar pitch for use as a binder in the production of electrodes

A process for the production of petroleum tar pitch with the using a fresh hydrocarbon feedstock, preheating it, treating the heated feedstock and passing fractionating the treated feedstock into gases, light distillates and a bottom fractionation stream, then dividing the bottom fraction stream into a recycle stream and a cracked... Intevep S a

Design of an air injection system at the level of the cylinder in a coke drum

A system for controlling thermal changes using air injection including a coke drum having a cylindrical outer surface, a material surrounding the cylinder defining an annular space between the material and the cylindrical outer surface, and an air injection system communicated with the annular space for introducing air into the... Intevep S a

Process for the production of petroleum tar pitch for use as a binder in the production of electrodes

A process for the production of petroleum tar pitch with the using a fresh hydrocarbon feedstock, preheating it, treating the heated feedstock and passing fractionating the treated feedstock into gases, light distillates and a bottom fractionation stream, then dividing the bottom fraction stream into a recycle stream and a cracked... Intevep S a

High pressure sand and asphaltene trap

A high pressure trap for separating sand and asphaltene from a high pressure stream of oil includes a vessel having a longitudinal axis arranged substantially vertically; an oil inlet for introducing a high pressure stream of oil with entrained sand and asphaltene into the vessel; an impact plate in the... Intevep S a

Downhole removal of h2s and co2

A process for the removal of acid gas from fluid produced from a subterranean formation into a subterranean well includes the steps of producing fluid from the subterranean formation into an area selected from the group consisting of the subterranean well, a production tube in the well, an annular space... Intevep S a