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Continental Oil Company Patents
Assignee:
Continental Oil Company
Address:
Stamford, CT
No. of patents:
304
Patents:


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Patent Number Title Of Patent Date Issued
T998010 Process for removal of sulfur dioxide from gases September 2, 1980
An improvement is provided in the regeneration system of agueous regenerative processes for the removal of SO.sub.2 from SO.sub.2 -containing gas streams which have a scrubbing system containing (1) a scrubbing zone through which a recirculating stream of sodium, potassium or ammoniu
T989004 Hydrogen transfer solvent extraction of coal December 4, 1979
A coal liquefaction process is provided in which a hydrogen donor solvent is used in the liquefaction of the coal. The process is designed to maintain the hydrogen donor solvent in balance by hydrogenation of the spent hydrogen donor solvent and selected precursors of the hydrogen donor
T989003 Solvent makeup in solvent extraction of coal December 4, 1979
A coal liquefaction process is provided in which a hydrogen donor solvent is used to at least partially liquefy the coal. The process is maintained in hydrogen donor solvent balance by treatment of selected products obtained in the course of the coal liquefaction process. The required
T989002 Solvent makeup in hydrogen transfer extraction December 4, 1979
A coal liquefaction process is provided in which a hydrogen donor solvent is used in the liquefaction of the coal. The process is designed to maintain the hydrogen donor solvent in balance by hydrogenation of the spent hydrogen donor solvent and precursors of the hydrogen donor solvent
T989001 Hydrogen donor solvent extraction of coal December 4, 1979
A coal liquefaction process is provided in which a hydrogen donor solvent is used to at least partially liquefy the coal. The process is maintained in hydrogen donor solvent balance by treatment of products obtained in the course of the coal liquefaction process. The required balance is
T984003 Recovery of high viscosity native crude samples July 3, 1979
native bottomhole samples of very viscous crude oil (bitumen, tar) are obtained by injecting water plus a suitable surfactant mixture down a hollow sucker rod whereby mixing occurs downhole, producing a resultant oil-in-water emulsion, and recovering the crude oil from the emulsion.
T957003 Method of cleaning PVC reactors April 5, 1977
surfaces of polyvinylchloride reactors are cleaned using a solvent gel composition. The solvent gel composition comprises: (a) solvent, (b) gelling agent, and (c), in some cases, a neutralizing agent. Suitable solvents include N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone, and N-prop
T956002 Waterflooding method using sulfonates March 1, 1977
a method for recovering hydrocarbons from a petroliferous formation is disclosed. The method comprises injecting into a petroliferous formation an effective amount of an aqueous mixture which contains about 0.5 to about 25 weight percent of an alkali metal hydrocarbon sulfonate mixture
RE28963 Determination of residual oil in a formation September 14, 1976
A method for determining the amount of residual oil remaining in an oil bearing formation after primary production which includes the sequential steps of:A. logging the formation to obtain logging data measurements of the relative quantities of residual oil and formation water present in
RE28753 Laser cell March 30, 1976
A fluid-filled amplifier cell for laser generation comprises an elongated housing wherein at least one end contains, within the cell, a window supported at the Brewster angle and wherein such end is plugged with a mirror.
4265310 Fracture preheat oil recovery process May 5, 1981
A zone of increased heat and enhanced fluid mobility is established between an injection well and a production well vertically traversing a heavy oil (bitumen, tar) reservoir by (a) first horizontally hydraulically fracturing between the wells, and (b) then injecting hot water and/or
4248669 Process for making metallurgical coke using fluidizer char February 3, 1981
The present invention is an improvement in the known process of making a coking feedstock from non-caking or weakly caking coals for slot-type coke ovens wherein the coal is subjected to solvent extraction; and at least the non-distillable extract in the effluent slurry product, after re
4239718 Process for agglomerating finely divided carbonaceous solids December 16, 1980
In a process for agglomerating finely divided carbonaceous solids from an aqueous slurry containing from about 10 to 40 weight percent finely divided solids comprising finely divided carbonaceous solids and finely divided inorganic solids, comprising:(a) mixing the slurry with an amount
4231996 Method for producing ammonia and hydrogen sulfide November 4, 1980
A method for producing ammonia and hydrogen sulfide in a molar ratio (NH.sub.3 /H.sub.2 S) from about 2.8 to about 3.7 from an aqueous ammonium thiosulfate solution by a method consisting essentially of: (a) contacting the aqueous ammonium thiosulfate solution with hydrogen sulfide at a
4231760 Process for gasification using a synthetic CO.sub.2 acceptor November 4, 1980
A gasification process is disclosed using a synthetic CO.sub.2 acceptor consisting essentially of at least one compound selected from the group consisting of calcium oxide and calcium carbonate supported in a refractory carrier matrix, the carrier having the general formula Ca.sub.5
4221570 Method and apparatus for producing hardened carbonaceous agglomerates September 9, 1980
An improved method and apparatus for producing hardened carbonaceous agglomerates from a feedstock selected from the group consisting of finely divided coal solids, finely divided coal-derived solids and hydrocarbonaceous binders is disclosed.
4218288 Apparatus and method for compacting, degassing and carbonizing carbonaceous agglomerates August 19, 1980
An apparatus for compacting, degassing and carbonizing carbonaceous agglomerates, the apparatus comprising a rotary kiln having an agglomerate inlet means for introducing green agglomerates into the kiln near the inlet of the kiln and a heating medium inlet for introducing a heating
4208395 Removal of sulfur dioxide from flue gas June 17, 1980
An improvement is provided in the regeneration system of aqueous regenerative processes for the removal of SO.sub.2 from SO.sub.2 -containing gas streams which have a scrubbing system containing (1) a scrubbing zone through which a recirculating stream of sodium or potassium thiosulf
4201759 Method for regenerating calcium sulfoxy compounds produced in the combustion of carbonaceous fue May 6, 1980
In methods for combusting carbonaceous sulfur-containing fuels in a fluidized bed wherein the fluidized bed contains at least one calcium compound selected from the group consisting of calcium oxide, calcium hydroxide, calcium carbonate and calcium bicarbonate to absorb sulfur oxides
4201754 Method for the conversion of calcium sulfoxy compounds into calcium carbonate compounds in sulfu May 6, 1980
A method for converting calcium sulfoxy compounds selected from the group consisting of CaSO.sub.x and Ca(HSO.sub.x).sub.2 and their hydrates wherein x is 3 or 4 into calcium carbonate, the method consisting essentially of; converting the Ca(HSO.sub.x).sub.2 compounds into CaSO.sub.x
4201655 Process for making metallurgical coke May 6, 1980
An improved process for making metallurgical coke is provided as follows. An effluent slurry consisting essentially of coal extract, solvent and undissolved coal is obtained from the liquefaction of coal by solvent extraction. Solvent is removed from the slurry by distillation to produce
4191538 Synthetic CO.sub.2 acceptor and gasification process therewith March 4, 1980
A synthetic CO.sub.2 acceptor comprising at least one compound selected from the group consisting of calcium oxide and calcium carbonate supported in a refractory carrier matrix of the general formula 3CaO(SiO.sub.2).sub.x (Al.sub.2 O.sub.3).sub.1-x wherein x is from about 0 to about
4176171 High pore volume alumina from dilute high injection alkoxide feed November 27, 1979
An improved method for increasing alumina pore volumes said alumina being produced by the hydrolysis of aluminum alkoxides, the improvement comprising diluting the aluminum alkoxide, prior to entering the hydrolysis reactor, with an alkanol containing from 2 to 8 carbon atoms and inj
4176047 Removal of organic compounds from coker gasoline November 27, 1979
A gasoline boiling range hydrocarbon stream obtained by fractionation of overhead vapors from a delayed coker is treated for removal of organic silicon compounds prior to being processed in a desulfurizer and catalytic reformer. The stream is treated by a bed of material such as alumina,
4175040 Centrifugal water oil separator November 20, 1979
A centrifugal oil-water separator comprising an inner spinning bowl having openings near the lower outer periphery for passage of water therefrom into an outer bowl which remains stationary. The oil-water mixture is passed to the upper center of the spinning bowl with separation of the o
4173575 Polymer bound (pentahaptocyclopentadienyl) bis carbonyl rhodium hydroformylation catalyst November 6, 1979
A catalyst having the structural formula ##STR1## wherein R is 0 or an alkyl having from 1 to 10 carbon atoms and wherein P is a polystyrene polymer backbone, where the 6-member ring is part of the polymer. The catalyst is useful for converting olefins to aldehydes in high yiel
4169631 Sprocket-type loop carrier October 2, 1979
A conveyor apparatus for moving a slurry line supported above the ground by a plurality of wheeled carts which are interconnected by one or more linkages, through a 180.degree. bend by having a disc journaled to a platform through the axis of the disc. Notches are formed in the periphery
4168746 Single well surfactant test to evaluate surfactant floods using multi tracer method September 25, 1979
Data useful for evaluating the effectiveness of or designing an enhanced recovery process said process involving mobilizing and moving hydrocarbons through a hydrocarbon bearing subterranean formation from an injection well to a production well by injecting a mobilizing fluid into the
4168485 Simultaneous use of pseudo-random control signals in vibrational exploration methods September 18, 1979
A method for deriving seismic information through the simultaneous operation of a plurality of vibrational seismic energy source systems such that the information produced by each source system may be separated from the combined recorded information.
4165257 Biopolymer filterability improvement by caustic-enzyme treatment August 21, 1979
In an enhanced recovery process involving flooding of subterranean formations with aqueous mixtures of biopolymers, filterability of the biopolymer is synergistically enhanced by treatment with ESPERASE.RTM. enzyme at a pH range of 12.5 to 13.0. The range is narrow and exclusive sinc
4164871 Push drill guidance indication apparatus August 21, 1979
An electronic guidance system for a push drill that is remotely guided by the operator. The system functions to maintain continual indication as to the attitude of the drilling apparatus, i.e., pitch, roll and distance to rock formations overlying or underlying the drilled stratum, with
4164554 Method for converting calcium sulfoxy compounds into calcium carbonate compounds August 14, 1979
A method for converting calcium sulfoxy compounds selected from the group consisting of CaSO.sub.x and Ca(HSO.sub.x).sub.2 where x is 3 or 4, into calcium carbonate by a method consisting essentially of: (a) converting the Ca(HSO.sub.x).sub.2 compounds into CaSO.sub.x compounds by reacti
4164264 High pressure sealing apparatus August 14, 1979
A high pressure seal is formed between a stationary piston and a reciprocating cylinder. The seal includes a sleeve which has an inner diameter dimensioned to permit the cylinder to slide freely over the piston rod, the sleeve being in rigid contact at one end to the cylinder and the
4163776 Process for stack gas desulfurization August 7, 1979
A method for desulfurizing a gaseous mixture such as flue gas by sequentially contacting the gaseous mixture with an aqueous solution containing ammonium thiosulfate in a first zone; an aqueous solution containing ammonia and ammonium thiosulfate in a second zone; and an aqueous solu
4162963 Method for producing hydrocarbon fuels and fuel gas from heavy polynuclear hydrocarbons by the u July 31, 1979
In a process for hydrocracking heavy polynuclear carbonaceous feedstocks to produce lighter hydrocarbon fuels by contacting the heavy feedstocks with hydrogen in the presence of a molten metal halide catalyst in a hydrocracking zone, thereafter separating at least a major portion of the
4161215 Solenoid operated tubing safety valve July 17, 1979
A wireline retrievable, subsurface tubing safety valve that is opened and held open by the transmission of electric current from the surface. Interruption of the current supply results in automatic closure of the valve. The device includes a pressure equalizing valve which enables the
4160060 Platform safety barrier July 3, 1979
A means is provided for protecting off-shore platforms from damage to interior portions by inadvertantly dropped heavy objects such as drill collars. The invention comprises a crash barrier having a penetration resistant mat overlying a foamed thermoplastic or rubber shock absorbant.
4153119 Directional drilling apparatus May 8, 1979
A device for facilitating directional drilling of small diameter holes radially of a mine long hole comprising a segmented sleeve for movement through a guide channel in a main drill unit. A small bit is driven by a flexible shaft which passes through the segmented sleeve. The segmented
4152929 Roof bolt tension determination May 8, 1979
Apparatus and method for determining the tensile load on a mine roof bolt, which is indicative of the support provided by the bolt. The device comprises a hammer for striking a roof bolt to produce a sound pulse, a microphone for picking up the sound pulse, and a sound comparator having
4148834 Preparation of synthetic hydrocarbon lubricants April 10, 1979
This disclosure concerns an improved process for preparing a synthetic hydrocarbon lubricant composition, said composition consisting essentially of di-long-chain alkyl-substituted aromatic hydrocarbons. The improved process is directed to a two-step alkylation process, using linear
4147625 Method for clarifying discolored trimethylhydroquinone solutions April 3, 1979
Trimethylhydroquinone (TMHQ) which is discolored in organic solution because of air oxidation can be made nearly colorless by addition of small amounts of alkali metal borohydride to the discolored solution. Products remaining in the TMHQ solution after discoloration removal can be e
4146459 Treatment of coal liquefaction effluent March 27, 1979
A solvent extraction coal conversion process is provided wherein the effluent slurry product is subjected to vacuum distillation to yield distillate and extrudable still bottoms. The latter are removed from the vacuum still by means of an extrusion screw which is operatively associat
4145915 Early crack detection March 27, 1979
Early detection of cracks in non-permeable, structural members subject to stress is effected before the cracks traverse the member by:(a) forming a cavity in the structural member or adjacent thereto such that a crack forming in the structural member provides a passage for a fluid to flo
4145496 Prevention of PVC polymer buildup in polymerization reactors using oxalyl bis(benzylidenehydrazi March 20, 1979
Polymer buildup in polymerization reactions during vinyl chloride polymerizations is greatly reduced by applying a water dispersion of alumina and oxalyl bis(benzylidenehydrazide) (OABH) to the reactor surfaces exposed to the polymerization medium prior to carrying out the polymeriza
4145405 Production of a hydrogen-rich gas from a co-containing fuel gas March 20, 1979
In a process for the production of hydrogen-rich gas from a fuel gas containing carbon monoxide and other components, the fuel gas is contacted in a formate synthesis zone with an aqueous solution containing sodium or potassium carbonate and/or bicarbonate under conditions effective to
4143922 Method of multiple point injection for slurry pipelines March 13, 1979
A method for maintaining suitable velocity or velocity range in a slurry pipeline system of the type with a water pipeline return and slurried material pipeline output with more than one slurry injection point. A single set of primary pipelines, one water and one slurry, is able to s
4143921 Slurry input for a multiple feed sump March 13, 1979
An input for a sump for uniformly distributing material along the length of the sump has a support mounted above and along the length of the sump with a flexible pipe extending over the sump and moveably attached to the support. One end is connected to a discharge outlet which is positio
4143917 In-situ retorting of oil shale with in-situ formed arches March 13, 1979
Shale oil is recovered from a horizontal oil shale deposit having an exposed vertical surface by:(a) tunneling a horizontal sloping tunnel under a portion of the deposit, optionally using material removed from the tunnel to form a service terrace,(b) shaping and lining the floor of the t
4143736 Seismic transducer construction March 13, 1979
The present invention relates to a seismic transducer for generating waves in an elastic medium and is particularly applicable to the generation of low frequency shear waves. The transducer is comprised of a mass member having more than one parallel hydraulic cylinder disposed therein, a
4143540 Method of preventing corrosion of joints of steel structures submerged in corrosive media March 13, 1979
The integrity of corrosion prevention sheaths of corrosive-resistant metal employed to prevent member corrosion on off-shore platforms is monitored by incorporation of a pressure sensing line sealed into the zone between the sheath and the member. This apparatus allows monitoring members
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