Abstract: A method for maintaining a desired boric acid concentration in an aqueous stream by mixing a selected quantity of the aqueous stream with an aqueous solution containing an alkali metal hydroxide in an amount stoichiometrically equal to the amount of boric acid which would be present in the selected quantity of the aqueous stream at the desired boric acid concentration and thereafter determining the pH of the solution and adjusting the boric acid concentration in the aqueous stream in response to the pH determination.

Abstract: Alumina having improved color characteristics and improved extrusion properties is produced by an improvement in the process for producing low-density, high-porosity, high-surface area alumina from an aqueous alumina slurry by contacting said aqueous alumina slurry with an effective amount of an organic solvent to form a solvent-aqueous alumina mixture; drying said mixture and recovering said low-density, high-porosity, high-surface area alumina, comprising drying said solvent-aqueous alumina mixture in an inert atmosphere.

Abstract: Low-density, high-porosity alumina extrudates and a method for preparing said extrudates. Said method comprises admixing finely divided low-density, high-porosity alumina with water to form an extrudable composition and extruding said mixture.

Abstract: A process change sensor comprising a tubing means, a first electrode positioned at one end of the tubing means for contact with a process medium, a second, permeable electrode positioned inwardly in the tubing means from said first electrode, a porous body separating said second electrode from said first electrode, means for supplying electrolyte through said tubing means to said second electrode whereby said supplied electrolyte can flow through said porous body to said first electrode, and means for measuring the change in EMF between said first and second electrodes as a result of changes in the process medium at said first electrode.

Abstract: Alpha alumina monohydrate wherein a majority of the cumulative pore volume consists of pores from about 30 to about 120 A in diameter and a method for producing such alumina. This is a continuation of application Ser. No. 298,116, filed Oct. 16, 1972 and now abandoned.

Abstract: An improved anionic waterflood additive is prepared by partially chlorinating a normal alkane having about 10 to about 18 carbon atoms to about 2 to about 15 weight percent chlorine content, employing the chlorinated alkane to alkylate an aromatic hydrocarbon, such as benzene; sulfonating the thus formed alkylate or a fraction thereof to form a sulfonic acid; converting the sulfonic acid to a sulfonate by reacting with a base component, such as an alkali metal hydroxide, ammonium hydroxide, or an alkali metal carbonate; and overbasing the sulfonate by admixing with an excess of base component such that the ratio: "weight of excess base component/weight of sulfonate" is about 0.03 to about 3.0. The anionic waterflood additive is injected into a petroliferous formation, the formation is waterflooded, and oil is recovered.

Abstract: A process and catalyst for converting hydrocarbon oils to desirable components by contacting said oils in the presence of hydrogen under hydrocarbon conversion conditions with a catalyst comprising a catalytic amount of a catalytic metal supported on gamma alumina.

Abstract: Tetrabutylammonium bromide is prepared buy mixing n-butylbromide with tributylamine in acetonitrile, in an inert atmosphere, under reflux conditions for a sufficient period of time to form a solution containing tetrabutylammonium bromide, cooling the resulting solution; mixing the solution with water, thus forming a mixture; and recovering tetrabutylammonium bromide in high yield from the mixture.

Abstract: Waterproof corrugated paperboard and other paper constructions and a process for producing such waterproof paperboard by impregnating paperboard with a mixture containing from about 10 to about 50 weight percent tung oil and from about 90 to about 50 weight percent paraffin wax and curing the impregnated paper at a temperature from about 80.degree.C to about 163.degree.C.

Abstract: The viscosity of anionic surfactant slurries is increased by admixing with such slurries an effective amount of a viscosity increasing additive selected from the group consisting of dialkyl ethers wherein the alkyl radicals of said ethers contain from 2 to 5 carbon atoms, alkoxyethoxyethanols wherein the alkyl radical contains from 2 to 6 carbon atoms, and tertiary amines wherein the alkyl radical contains from 2 to 4 carbon atoms.

Abstract: An improved anionic overbased waterflood additive comprises a base component, a first sulfonate component derived from an alkylation reaction product employing a branched-chain alkene as the alkylating agent, and a second sulfonate component derived from an alkylation reaction product employing a partially chlorinated normal alkane as the alkylating agent, wherein the base component is present in the weight ratio range of 3/100 to 300/100, base component to total sulfonate, and wherein the weight ratio of the first sulfonate component to the second sulfonate component is in the range of 1/9 to 9/1. The overbased waterflood additive may be formed prior to injection into a petroliferous formation or may be formed in situ by first injecting the total sulfonate followed by the base component.

Abstract: Apparatus for connecting the open end of an elongated hollow probe member to a chamber whereby the interiors of the probe member and the chamber can be evacuated while the probe member and chamber are disconnected from each other and then the probe member sealingly connected to the chamber while maintaining the evacuation.

Abstract: A method for locating and identifying sand producing zones in friable, unconsolidated sandstone formations of a subterranean reservoir traversed by a well bore. The method comprises the following steps:A. introducing into said reservoir through said well bore, a radioactive material which is preferentially retained in the porous portions of the formation surrounding said well bore;B. passing a radioactivity detection means through the well bore and recording the measurement of radioactivity of said reservoir;C. returning the reservoir to production; and,D. passing a radioactivity detection means through said well bore and recording the measurement of radioactivity of said formation for a second time and correlating the measurements of radio activity of each measurement with measurement of depth to thus locate sand producing zones in said reservoir.

Abstract: A method for controlling stress and increasing the load-bearing strength of support members, the support members comprising coal, of a coal mine wherein the method consists essentially of injecting ammonia or hydrochloric acid into the interior portions of the support members.

Abstract: A method for reducing the production of water from oil wells by injecting into the oil wells a viscous oil containing from about 0.01 to about 10 weight percent of a coupling agent in an amount sufficient to saturate the subterranean formations penetrated by the wellbore radially for distance up to about 100 feet.

Abstract: A method for locating water-producing zones and/or water thief zones in a subterranean formation penetrated by a well bore comprising the sequential steps of:A. injecting into said formation an aqueous solution containing from about 0.01 to 7.5 weight percent of an irradiated water soluble compound, said compound having preferential silica adsorptive characteristics;B. passing radioactivity detection means through the well bore and recording the measurement of radioactivity;C. returning the reservoir or injection well to normal production or normal water injection;D. passing said radioactivity detection means through the well bore and recording the measurement of radioactivity of said formation; and,E. comparing the measurements of radioactivity to determine water producing zones and/or water thief zones.

Abstract: An improved electrical energy storage battery is provided having a case, at least two porous electrolyte containers positioned within the case, a solid hydrogel positioned within the case and between the electrolyte containers, the hydrogel containing an effective amount of an electron transferring agent to render said hydrogel conductive, at least one anode positioned within at least one of the electrolyte containers, at least one cathode positioned within at least one other of the electrolyte containers, a second solid hydrogel positioned within the container for the cathode, said gel being saturated with a compound selected from the group consisting of zinc chloride, zinc oxide, cadmium chloride, and cadmium oxide to render same conductive, and a third solid hydrogel positioned within the container for the anode, said gel being saturated with a compound selected from the group consisting of chromium chloride, chromium oxide, and alkali metal-containing chromate salts to render same conductive.

Abstract: An improvement in a method for producing alpha alumina monohydrate extrudates by mixing acid, water, and alpha alumina monohydrate to form an extrudable mixture; extruding the mixture to produce green alpha alumina monohydrate extrudates and drying the green extrudates, wherein the improvement comprises, contacting the green extrudates with an aqueous solution of catalytic metals in an amount sufficient to impregnate the extrudates with the catalytic metals thus improving the extrudate properties and impregnating the extrudates with catalytic metals.

Abstract: An improved anionic waterflood additive is prepared by alkylating an aromatic hydrocarbon such as benzene with a branched-chain alkene having about 10 to about 35 carbon atoms such as a propylene tetramer dimerization reaction product in the presence of an alkylation catalyst such as AlCl.sub.3 ; sulfonating the thus formed alkylate product or a fraction thereof to form a sulfonic acid; converting the sulfonic acid to a sulfonate by reacting with a base component such as an alkali metal hydroxide, ammonium hydroxide, or an alkali metal carbonate; and overbasing the sulfonate by admixing with an excess of base component such that the ratio; "weight of excess base component/weight of sulfonate" is about 0.03 to about 3.0. The anionic waterflood additive is injected into a petroliferous formation, the formation is waterflooded, and oil is recovered.

Abstract: 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 the formation;B. injecting a sufficient amount of an oil miscible solution through the bore hole into the formation to displace substantially all of the residual oil in the formation surrounding the bore hole;C. injecting a sufficient amount of water into the formation through the bore hole to displace substantially all of the oil miscible solution thereby rendering the formation being tested substantially 100 per cent water saturated; andD. logging the formation for a second time to obtain logging data measurements which, when compared with the logging data measurements of the initial log indicate the amount of residual oil present in the formation.Iadd.