1
Jean Michel Beique, Morris Benjamin Robbins: Casing mounted sensors, actuators and generators. Dresser, Jenkens & Gilchrist P C, August 6, 2002: US06429784 (189 worldwide citation)

A casing sensor and methods for sensing using a casing sensor are disclosed. The casing sensor includes a casing shoe and a sensor coupled to the casing shoe. A casing data relay includes a downhole receiver coupled to a well casing and a transmitter coupled to the receiver. The casing sensor may be ...


2
Don C McCall, Dave Embertson, Mike Zahajko: Adjustable price fuel dispensing system. Dresser Equipment Group, Haynes & Boone L, November 27, 2001: US06321984 (129 worldwide citation)

An integrated customer reward processing system and fuel dispensing apparatus to allow a retailer to authorize fuel to be dispensed at a discounted unit price in accordance with a customer's achievement of predefined purchasing criteria. More particularly, a data processing system is provided t ...


3
Michael S Bittar: Electromagnetic wave resistivity tool having a tilted antenna for determining the horizontal and vertical resistivities and relative dip angle in anisotropic earth formations. Dresser, Cox & Smith Incorporated, December 19, 2000: US06163155 (128 worldwide citation)

This invention is directed to a downhole method and apparatus for simultaneously determining the horizontal resistivity, vertical resistivity, and relative dip angle for anisotropic earth formations. The present invention accomplishes this objective by using an antenna configuration in which a trans ...


4
Michael S Bittar: Electromagnetic wave resistivity tool having a tilted antenna for geosteering within a desired payzone. Dresser, Cox & Smith Incorporated, November 5, 2002: US06476609 (128 worldwide citation)

This invention is directed to a downhole method and apparatus for simultaneously determining the horizontal resistivity, vertical resistivity, and relative dip angle for anisotropic earth formations. The present invention accomplishes this objective by using an antenna configuration in which a trans ...


5
Wesley Irving Crabiel: Rotary cutter for a road planer. Dresser, John M Lorenzen, February 8, 1977: US04006936 (119 worldwide citation)

The invention is an improved rotary cutter for a road planer, particularly a cold planer. The rotary cutter comprises a thick-walled metal drum fitted with improved cutter bits and bit holders, according to a pre-selected pattern. The holders are attached on the drum surface, and each has a tapered ...


6
Henry W Blackwell, Clifford L Talley, Rodger D Lacy: Apparatus for installing a liner within a well bore. Dresser, Edward G Fiorito, William R Peoples, Roy L Van Winkle, July 18, 1989: US04848459 (118 worldwide citation)

A packer setting tool, a packer assembly and an attached liner assembly are lowered into a well bore at a desired depth to fix the liner therein. Cement is pumped down a tubing string, through the packer, the lining, check valves and forced upwardly in the annulus of the well bore. The pumped cement ...


7
Etienne Lamine, Robert Delwiche: Bladed drill bit with centrally distributed diamond cutters. Dresser, Browning Bushman PC, October 2, 2001: US06296069 (118 worldwide citation)

A drill bit as used in particular in the oil well drilling field comprising a central body (2), cutting blades (3) protruding with respect to the body (2), both at the front of this body according to a drill direction and at the sides of this same body (2), and cutting elements (9) divided over an o ...


8
Charles W Grennan: Compressed gas energy storage system with cooling capability. Dresser Rand Company, Nixon Hargrave Devans & Doyle, June 3, 1997: US05634340 (117 worldwide citation)

One aspect of the present invention relates to a process of cogeneration utilizing a compressed gas energy storage system which includes a gas storage area, a compression train for pressurizing a gas to be stored in the gas storage area, and an expansion train for depressurizing high pressure gas re ...


9
David P Miess: Cutters and bits for terrestrial boring. Dresser, Browning Bushman, December 21, 1999: US06003623 (115 worldwide citation)

Drill bit cutters and drill bits equipped with the cutters. The cutter is mounted on a bit to present the formation with a radiused, curving, side wall cutting face that is concave in one dimension and convex in another dimension. In a preferred form, the cutting face is in the form of a portion of ...


10
Mark P Blackman, Jay S Bird, Michael S Beaton: Rotary drill bit with improved cutter and seal protection. Dresser, Baker & Boots, September 26, 1995: US05452771 (115 worldwide citation)

A rotary cone drill bit for forming a borehole having a body with an underside and an upper end portion adapted for connection to a drill string. The drill bit rotates around a central axis of the body. A number of angularly-spaced arms are integrally formed with the body and depend therefrom. Each ...