Jose M Solaeche P, Jesus R Rodriguez: Double seals packers for subterranean wells. Intevep, Bachman & LaPointe, July 13, 1993: US05226492 (111 worldwide citation)

A well installation is disclosed which has a production casing set in a subterranean well; a production tubing disposed within the production casing; an annular space defined between the production casing and the production tubing; and a packer for sealing the annular space, the packer having: a hol ...

Roberto Galiasso, Jose A Salazar, Alfredo Morales, Angel R Carrasquel: Hydroconversion of heavy crudes with high metal and asphaltene content in the presence of soluble metallic compounds and water. Intevep, Baker & McKenzie, June 3, 1986: US04592827 (110 worldwide citation)

Heavy crudes or vacuum residues are treated in a thermal hydroconversion process in the presence of a metal catalyst from Groups IVb, Vb, VIb, VIIb and VIII of the Periodic Table of Elements and water. Fresh catalyst is introduced into the process as a soluble, metallic catalyst precursor which is t ...

Julio H Krasuk, Fernando J Silva, Roberto E Galiasso, Alfredo Souto: Process for hydroconversion and upgrading of heavy crudes of high metal and asphaltene content. Intevep, Bachman & LaPointe, May 27, 1986: US04591426 (101 worldwide citation)

A process for upgrading feedstocks containing not less than about 200 ppm metals, an API gravity of less than about 20.degree., a Conradson Carbon of more than about 8%, by hydroconversion with hydrogen in the presence of a naturally occurring inorganic material as a catalyst. The invention further ...

Alfredo L Morales, Roberto E Galiasso, Maria M Agudelo, Jose A Salazar, Angel R Carrasquel: Catalyst having high metal retention capacity and good stability for use in the demetallization of heavy crudes and method of preparation of same. Intevep, Bachman and LaPointe, May 28, 1985: US04520128 (71 worldwide citation)

A new active stable catalyst for use in the removal of sulphur, nitrogen, contaminating metals, asphaltenes and Conradson carbon from heavy crudes and residues and, in particular, a method for the preparation of the catalyst and a process for the treatment of heavy crudes and residues with the catal ...

Diaz Barrios Antonio, Liscano Jose, Trujillo Marianela, Agrifoglio Giuseppe, Matos Jose Orlando: Polymerization catalyst. Intevep, December 3, 1997: EP0810235-A2 (71 worldwide citation)

An olefin polymerization catalyst includes a halogen-containing magnesium compound; a titanium compound; and an additive selected from the group consisting of (a) a mixture of an aluminum alkoxide compound and polydimethylsiloxane, (b) an aluminosiloxane, (c) the reaction product of an aluminum alky ...

Carlos Vallejos, Tito Vasquez, Cesar Ovalles: Process for the downhole upgrading of extra heavy crude oil. Intevep, Bachman & LaPointe P C, April 6, 1999: US05891829 (63 worldwide citation)

A down hole hydroconversion process improves the viscosity, API gravity, and distillate proportions of heavy crude oils by employing a hydrogen donor, methane and steam down hole wherein the mineral formation down hole acts as a catalyst for the hydroconversion process.

Aaron Ranson, Luis Carlos Genolet, Douglas Espin, Juan Carlos Chavez: Method for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone. Intevep, Bachman & LaPointe P C, August 19, 2003: US06607036 (58 worldwide citation)

A method for heating a subterranean formation includes the steps of positioning a well to a subterranean formation; disposing an energy transforming material in the formation; and exposing the material to energy whereby the material generates heat.

Magdalena M Ramirez de Aqudelo, Carmen E Galarraga: Catalytic system for the hydroconversion of heavy oils. Intevep, Bachman & LaPointe, June 26, 1990: US04937218 (54 worldwide citation)

The present invention relates to a process for the hydroconversion of heavy crude oil and an improved regenerable catalyst for use therein. The process broadly comprises (a) introducing into a hydroconversion reaction zone a feedstock of crude oil, hydrogen, from about 10 to about 1000 wppm of an ac ...

Pedro Pereira, Roger Marzin, Luis Zacarias, Jose Cordova, Jose Carrazza, Marian Marino: Steam conversion process and catalyst. Intevep, Bachman & LaPointe P C, March 23, 1999: US05885441 (51 worldwide citation)

A process for steam conversion of a hydrocarbon feedstock in the presence of a catalyst includes the steps of (a) providing a catalytic emulsion comprising a water in oil emulsion containing a first alkali metal and a second metal selected from the group consisting of Group VIII non-noble metals, al ...

Alfredo L Morales, Roberto Galiasso, Angel R Carrasquel, Jose A Salazar: Catalyst for removing sulfur and metal contaminants from heavy crudes and residues. Intevep, Bachman & LaPointe, May 13, 1986: US04588709 (49 worldwide citation)

A catalyst for the hydrotreatment of heavy crudes and their residues, and a method of preparing same, is disclosed, which has significant simultaneous hydrodemetallizing and hydrodesulfurizing activity. The catalyst is prepared by successively impregnating an extruded refractory support with a Group ...