Patents by Inventor Richard Rengifo

Richard Rengifo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hydrocarbon formation core protection and transportation apparatus
    Patent number: 8453766
    Abstract: An apparatus for transporting core samples includes an outer tube having an open end and a cover removably mounted to the open end; a core tube slidable into and out of the outer tube when the cover is removed from the outer tube; and a supporting structure between the core tube and the outer tube. The supporting structure supports the core tube within the outer tube with the core tube spaced from contact with an inner wall of the outer tube.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: June 4, 2013
    Assignee: Intevep, S.A.
    Inventors: Leonardo Graterol, Juan Ramos, Ricardo Rojas, Richard Rengifo, George Quercia
  • HYDROCARBON FORMATION CORE PROTECTION AND TRANSPORTATION APPARATUS
    Publication number: 20130037539
    Abstract: An apparatus for transporting core samples includes an outer tube having an open end and a cover removably mounted to the open end; a core tube slidable into and out of the outer tube when the cover is removed from the outer tube; and a stabilizing structure between the core tube and the outer tube, the stabilizing structure supporting the core tube within the outer tube with the core tube spaced from contact with an inner wall of the outer tube.
    Type: Application
    Filed: August 12, 2011
    Publication date: February 14, 2013
    Applicant: INTEVEP, S. A.
    Inventors: Leonardo Graterol, Juan Ramos, Ricardo Rojas, Richard Rengifo, George Quercia
  • Reduced abrasion drilling fluid
    Patent number: 8105984
    Abstract: A reduced abrasion drilling fluid system and method of drilling a borehole by circulating the reduced abrasion drilling fluid through the borehole is disclosed. The reduced abrasion drilling fluid comprises a drilling fluid, a first additive and a weighting agent, wherein the weighting agent has a particle size of at least 90% by volume less than 50 ?m.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: January 31, 2012
    Assignee: Intevep, S.A.
    Inventors: Freddy Quiroga, George Quercia, Richard Rengifo, Manuel Mas
  • REDUCED ABRASION DRILLING FLUID
    Publication number: 20100170719
    Abstract: A reduced abrasion drilling fluid system and method of drilling a borehole by circulating the reduced abrasion drilling fluid through the borehole is disclosed. The reduced abrasion drilling fluid comprises a drilling fluid, a first additive and a weighting agent, wherein the weighting agent has a particle size of at least 90% by volume less than 50 ?m.
    Type: Application
    Filed: January 7, 2009
    Publication date: July 8, 2010
    Applicant: Intevep, S.A.
    Inventors: Freddy Quiroga, George Quercia, Richard Rengifo, Manuel Mas