1
Timothy Edward LaGrange: Apparatus and method for lateral wellbore completion. Halliburton Energy Services, Terrence N Kuharchuk, Patrick H McCollum, Eugene R Montalvo, July 18, 2000: US06089320 (143 worldwide citation)

An apparatus and method for completing a junction between a primary and secondary wellbore. A deflector is located in the primary wellbore adjacent to the wellbore junction. The apparatus comprises a conduit comprising: an upper section; a lower section comprising a primary leg for engaging a seat o ...


2
Andrew A Hrametz, James M Moore, Mark A Proett: Formation tester with improved sample collection system. Halliburton Energy Services, Eugene R Montalvo, August 10, 1999: US05934374 (88 worldwide citation)

This invention provides a formation evaluation tool for collecting a formation fluid in a chamber at a predetermined pressure and for maintaining the pressure of the collected fluid at a desired level during the retrieval of the chamber to the surface. The formation fluid is pumped into the chamber ...


3
Radu Nicolae Nistor: High torque pressure sleeve for easily drillable casing exit ports. Halliburton Energy Services, Terrence N Kuharchuk, Patrick H McCollum, Eugene R Montalvo, March 28, 2000: US06041855 (23 worldwide citation)

An apparatus for providing a high torque pressure sleeve for easily drillable casing exit ports. A joint of tubular casing with a pre-formed window in the wall thereof has a tubular sleeve fixedly attached to the exterior of the tubular casing covering the window. The interior surface of the sleeve ...


4
Ian Gillis, Gary M Crase, Laurier E Comeau, Charles M Reid, Paul Roberts: Adjustable gauge downhole drilling assembly. Halliburton Energy Services, Terrence N Kuharchuk, Patrick H McCollum, Eugene R Montalvo, December 12, 2000: US06158533 (18 worldwide citation)

A downhole drilling assembly including a housing having an upper end for connection to a drill string and a lower end, a fluid passage extending through the housing from the upper end to the lower end, a power unit contained within the housing, a drive assembly extending within the housing between t ...


5
Ward E Schultz: Method and apparatus for the verification of helium-3 proportional counters. Halliburton Company, Eugene R Montalvo, June 6, 1995: US05422480 (16 worldwide citation)

A method and apparatus for verifying operation and achieving gain stabilization in a helium-3 proportional counter radiation detector utilized in nuclear logging operations. The detector includes a beta-minus particle source selected to provide a predetermined number of radiation counts for a specif ...


6
Ronald Marshall Bass, Byron Lee Newberry, David John Liney: Method of installation of electrically heated pipe-in-pipe subsea pipeline. Eugene R Montalvo, Shell Oil Company, January 23, 2003: US20030017007-A1 (1 worldwide citation)

Methods are provided for installing an electrically heated pipe-in-pipe pipeline on the seafloor. Inner and outer pipe segments are formed and the inner pipe is coated and insulated. Coating may include sprayed polyurethane foam and insulating half-shells that are placed around welds. Epoxy is prefe ...


7
Frederick Henry Kreisler Rambow, Dennis Edward Dria, David Ralph Stewart: Apparatus and method for monitoring compaction. Eugene R Montalvo, Shell Oil Company, May 6, 2004: US20040083808-A1

An apparatus and method for continuous, passive detecting and measuring of compressional strains in real time, without physical intervention, which comprises: a) Attaching to the structure to be monitored an assembly comprising an optical fiber having one or more gratings at selected intervals, axia ...


8
Pieter Marinus Willem Cornelisse: Method for solubilising asphaltenes in a hydrocarbon mixture. Eugene R Montalvo, Shell Oil Company, August 26, 2004: US20040163995-A1

Method for solubilising asphaltenes in an asphaltenes-containing hydrocarbon mixture by adding thereto an effective amount of a dendrimeric compound, and a hydrocarbon mixture comprising, in addition to hydrocarbons, asphaltenes and at least one dendrimeric compound. Preferably, the dendrimeric comp ...


9
Gijsbert Christiaan Fehmers, William Alexander Mulder, Rene Edouard Andre Michel Plessix: Removing irregularities from seismic data caused by tube waves. Eugene R Montalvo, Shell Oil Company, September 2, 2004: US20040172197-A1

Method of removing irregularities caused by tube waves from seismic data obtained in a borehole seismic survey, which method comprises the steps of (a) obtaining a set of original seismic data; (b) subjecting the original seismic data set to a time-shift based on an estimated tube wave velocity to a ...


10
Azra Nur Tutuncu, Arthur Herman Hale: Method of freeing stuck drill pipe. Eugene R Montalvo, Shell Oil Company, November 4, 2004: US20040216880-A1

Disclosed is an auxiliary method for freeing a drill pipe stuck due to build up of filter cake, which provides a reduction in the amount of force required to free said pipe which comprises: a) Lowering an ultrasonic horn type device down the drill pipe to the point of contact between said drill pipe ...