Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Atlantic Richfield Company Patents
Assignee:
Atlantic Richfield Company
Address:
Los Angeles, CA
No. of patents:
1836
Patents:












Patent Number Title Of Patent Date Issued
T962005 Simply installed floor tile September 6, 1977
instead of following the conventional practice of removing the previous floor covering of sheet linoleum, floor tiles or the like, the floor tiles of the present invention are so remarkably thin that they are laid on top of the old flooring while still providing adequate clearance for do
T957004 Electrophoretic deposition of styrene-maleic anhydride copolymers April 5, 1977
an electrophoretic coating composition bath based on styrene-maleic anhydride copolymer is disclosed. The electrophoretic coating composition bath comprises a dispersion in water of an at least partially neutralized, partial ester of styrene-maleic anhydride copolymer, a cross-linking ag
RE35633 Methane conversion process October 14, 1997
In an improved method for converting methane to at least one higher hydrocarbon product and coproduct water which comprises contacting a gas comprising methane and at least one added gaseous oxidant with nonacidic solid, the improvement comprising conducting at least a portion of said
RE35632 Methane conversion process October 14, 1997
In an improved method for converting methane to at least one higher hydrocarbon product and coproduct water which comprises contacting a gas comprising methane and at least one added gaseous oxidant with nonacidic solid, the improvement comprising conducting at least a portion of said
RE33257 Mounting and control means for full waveform seismic source July 10, 1990
A full waveform seismic source is described which is adapted to propel a heavy mass powerfully downward against the surface of an earth-contacting target plate. Means are provided for rotating the barrel of the actuator about two mutually perpendicular .[.horizontal.]. axes so that energ
RE31882 Liquid dispensing nozzle assembly and method of using same May 14, 1985
An improved liquid dispensing nozzle assembly comprising a liquid-dispensing nozzle means; a flexible vapor collector means forming a chamber around the upper portion of the nozzle spout; a face means located adjacent to one end of the vapor collector for forming a seal with the oute
RE31770 Derivatization of star-block copolymers December 18, 1984
Star-block copolymers having functional groups associated with the nucleus of the copolymers have been prepared. The copolymers of from 10-90% by weight of a monovinyl aromatic compound and 10-90% by weight of a conjugated diene have at least 3 arms connected to a polyvinyl aromatic
H1823 Bus bar screw jack December 7, 1999
A bus bar screw jack is useful in the removal, inspection, and reinstallation of bus bars. The end of the screw jack which engages the bus bar comprises a channel with a foam rubber coating to nonslidably receive the bus bar. The foam rubber coating also prevents damage to the insula
H1584 Mine tailings replacement August 6, 1996
Mine tailings and similar materials are disposed of by replacing the tailings in underground mineworks including the shafts, adits and drifts by forming a slurry of tailings using dredging or similar mixing processes and pumping the slurry to the mineworks. Cementitious materials may be
D356074 Combined adjustable holder and mount for a point-of-sale keypad and printer March 7, 1995
D353404 Multi-media display kiosk December 13, 1994
D341013 Scrip dispenser November 2, 1993
D326756 Scrip dispenser June 2, 1992
D324432 Solar powered marking light March 3, 1992
D315965 Solar powered walkway light April 2, 1991
D282936 Vending machine currency acceptor March 11, 1986
D279566 Automated credit card terminal enclosure for vehicle service stations July 9, 1985
D273813 Credit card terminal May 8, 1984
D266827 Mounting bracket November 9, 1982
D248236 Vacuum draining unit for lubricants from internal combustion engines June 20, 1978
6566310 Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulus May 20, 2003
A method and a tandem spacer consisting of an aqueous lead spacer fluid and an aqueous tail spacer fluid for displacing a drilling fluid from an annular space in a wellbore with a cement slurry is disclosed. The aqueous lead spacer fluid and the aqueous tail spacer fluid are formulated t
6482762 NOx conversion catalyst rejuvenation process November 19, 2002
A method for cleaning and rejuvenating an at least partially spent de-NO.sub.x catalyst comprising a porous ceramic metal oxide material containing a vanadium oxide and coated on a metal support by cleaning the catalyst with an oxalic acid solution and by contacting the catalyst with
6461497 Reformulated reduced pollution diesel fuel October 8, 2002
A reformulated diesel fuel meeting the requirements of ASTM D975-96a for a low-sulfur number 2 diesel fuel and providing reduced emission benefits relative to a certified diesel fuel, certified under Section 2282(g) Title 13, California Code of Regulations and containing less than 15 vol
6353988 Method of installing a highly tensioned suspended pipeline March 12, 2002
A highly tensioned, suspended pipeline (HTSP) which is especially useful in permafrost regions, rugged terrain, and active seismic fault areas. Basically, the pipeline is comprised of segments which are fluidly connected together to form the desired length of the line. Each segment is
6318480 Drilling of laterals from a wellbore November 20, 2001
A method and apparatus for drilling a lateral from a primary wellbore having a short radius-of-curvature. The lateral is drilled by a downhole drilling unit which differs from prior art units of this type in that instead of connecting the drill bit directly to the downhole motor, a l
6302206 Treatment for shut-in gas well October 16, 2001
A method for treating a gas well to prevent any fresh water, which may have condensed out of the gas stream, from damaging the gas producing formation during the shut-in period. The well is shut-in and then an additive, e.g. a salt, alcohol, etc., is injected into the well to convert any
6283213 Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulus September 4, 2001
A method and a tandem spacer consisting of an aqueous lead spacer fluid and an aqueous tail spacer fluid for displacing a drilling fluid from an annular space in a wellbore with a cement slurry is disclosed. The aqueous lead spacer fluid and the aqueous tail spacer fluid are formulated t
6283204 Oil and gas production with downhole separation and reinjection of gas September 4, 2001
A system for producing a mixed gas-oil stream which contains solid particulates wherein gas is to be separated and compressed downhole in a turbine-driven compressor before the gas is injected into a subterranean formation. The stream is passed through a first separator to separate out
6273192 Method for strengthening a subterranean formation August 14, 2001
A method for strengthening a subterranean formation by injecting an aqueous gellable composition containing a cross-linkable polymer into the subterranean formation through a wellbore to increase the strength of the subterranean formation while retaining the ability of the subterranean
6273144 Method for inhibiting external corrosion on an insulated pipeline August 14, 2001
A method for inhibiting external corrosion on an insulated pipeline including a pipe and a coating material around the pipe by positioning an alkaline material in the coating material.
6265355 Gel-breaker composition and a method for breaking a gel July 24, 2001
A composition containing a chelating agent and an amino carboxylic acid and a method for breaking a gel formed by a crosslinkable polymer and a crosslinking agent. The composition may also be used for selectively removing crosslinked polymer gels from an oil-bearing zone in a subterr
6260619 Oil and gas production with downhole separation and compression of gas July 17, 2001
A method and system for producing a mixed gas-oil stream through a tubing wherein at least a portion of the gas is separated from the stream and flowed through a restriction in the tubing to cool the separated gas and reduce its pressure to thereby retain larger amounts of liquid (i.e.
6258332 Apparatus and method for collecting and recycling a petroleum by-product July 10, 2001
The present invention provides for an apparatus and method for collecting and recycling a petroleum by-product such as hydrocarbon residue from crude oil. The apparatus comprises a container having a top, bottom, and sides, an internal heating element, an inlet element, an outlet element
6257331 Downhole setting tool July 10, 2001
A downhole assembly for setting a well tool (e.g. packer) comprising a setting tool which has a draw rod made in two portions which are slidably connected to allow relative movement therebetween. The upper portion is releasably latched to the well tool wherein the weight of the well tool
6250689 Reinforced tube joint June 26, 2001
A reinforced tube joint formed by a first tube having an end portion; a stress collar fitted, with an interference fit, about the first tube so that the end portion of the first tube extends beyond the stress collar; and a second tube having an end rigidly connected to both the stress
6248794 Integrated process for converting hydrocarbon gas to liquids June 19, 2001
The present invention is an integrated process for converting light hydrocarbon gas to heavier hydrocarbon liquids. In each embodiment, a Fischer-Tropsch (FT) process comprising a thermal reformer and a reactor containing an FT catalyst is combined with one or more additional process
6236894 Petroleum production optimization utilizing adaptive network and genetic algorithm techniques May 22, 2001
A computer system and method of operating the same to optimize the operating conditions of a petroleum production field, in which a plurality of wells are arranged according to drill sites, and connected to one or more central processing facilities, is disclosed. In this disclosed em
6234183 Method for removing deposits comprising heavy hydrocarbonaceous materials and finely divided ino May 22, 2001
A method and composition for removing deposits of heavy hydrocarbonaceous materials and finely divided inorganic particulate matter from wellbore and flowline surfaces using a composition containing an alkyl polyglycoside, an ethoxylated alcohol, a caustic and an alkyl alcohol.
6216786 Method for forming a fracture in a viscous oil, subterranean formation April 17, 2001
A method for forming a fracture in a viscous oil subterranean formation wherein a data-fracturing operation is carried out to first determine the "leak-off" rate for the formation and then the formation is fractured with a slurry wherein the liquid from the slurry will leak into the form
6209641 Method and apparatus for producing fluids while injecting gas through the same wellbore April 3, 2001
Method and apparatus for producing a first zone through a wellbore while simultaneously injecting gas into a second zone through the same wellbore. The production stream is produced to the surface through a string of tubing where gas is separated therefrom. The separated gas and/or gas f
6192316 Fracture discrimination using borehole frequency response of stoneley waves February 20, 2001
A computer system (30) and method of operating the same to analyze well log data so as to distinguish fractures from drilling artifacts, such as caves, washouts, and breakouts, is disclosed. According to the disclosed system and method, a Stoneley wave well log obtained at a plurality of
6189614 Oil and gas production with downhole separation and compression of gas February 20, 2001
A method and system for producing a mixed gas-oil stream through a wellbore wherein at least a portion of the gas is separated from the stream downhole and is compressed (e.g. using a SPARC) before both the compressed gas and the remainder of the stream is brought to the surface through
6176327 Method and toolstring for operating a downhole motor January 23, 2001
A method and a toolstring for carrying out a downhole operation in a wellbore (e.g. milling a window in a well casing, drilling a lateral wellbore, etc.). The toolstring is comprised of a workstring and a downhole assembly which is comprised of a downhole, rotary motor (e.g. bent mot
6168708 Method for recovery and recycling of hydrocarbon residue January 2, 2001
The present invention provides for a method for recovering and recycling a hydrocarbon residue from a petroleum material such as crude oil, where the hydrocarbon residue is a waxy solid material. The method comprises providing the hydrocarbon residue in a first vessel; heating a sufficie
6166546 Method for determining the relative clay content of well core December 26, 2000
A method for determining a relative clay content of at least a portion of a well core taken from a subterranean geologic formation by: determining the relationship of the clay content of the well core portion to the dielectric constant of the well core portion at a selected frequency at
6166103 Aqueous gelable compositions with delayed gelling times December 26, 2000
An aqueous gelable composition containing an organic, water soluble polymer cross-linkable with a multivalent cation and a retarded cross-linking system consisting essentially of chromium trichloride and monosodium glutamate and a method for reducing the permeability of the subterranean
6156819 Use of low- and high-molecular-weight polymers in well treatments December 5, 2000
An aqueous polymer composition containing water and hydrophilic polymers and a method for treating subterranean formations with the composition to reduce formation permeability. The hydrophilic polymers are a mixture of high-molecular-weight polymers having a molecular weight of at least
6156234 Process for supplying a gaseous mixture to an autothermal reactor December 5, 2000
An improved process for the compression and heating of air or oxygen-enriched air for charging to an autothermal reactor by using a single high compression ratio compressor to produce a high-pressure, high-temperature air or oxygen-enriched air stream for mixture with a hydrocarbon g
6154705 System for attenuating high order free surface multiples from a seismic shot record using a gene November 28, 2000
A system and method is provided for estimating the inverse source wavelet of a seismic shot record for improved accuracy and efficiency in removing high order free surface multiples from the shot record, using a stochastic optimization technique, such as a genetic algorithm procedure, th
6150822 Sensor in bit for measuring formation properties while drilling November 21, 2000
Earth formation evaluation for detection of hydrocarbon fluids is carried out by a microwave frequency range sensor (antenna or wave guide) disposed in the face of a diamond or PDC drill bit configured to minimize invasion of drilling fluid into the formation ahead of the bit. The sensor

 
 
  Recently Added Patents
Traffic flow analysis mitigation using a cover signal
Method for installing industrial components in an environment
Method and apparatus for managing network traffic
MOS resistor apparatus and methods
Sample holder and method for treating sample material
Semiconductor device including insulating layer of cubic system or tetragonal system
Adapter
  Randomly Featured Patents
Bi-planar cable cross reeving system
Assigning tasks to processors based at least on resident set sizes of the tasks
Level shifter
Mattress support system
Pharmaceutical preparation
Hydraulic cylinder comprising valves
Positive type high gamma-value photoresist composition with novolak resin possessing
Signal transmission system
Mobile wireless communications device comprising a satellite positioning system antenna and electrically conductive director element therefor
Radial press having two press yokes movable radially against one another