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Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 4501324 | Method for identifying the source of an oil A method for tagging an oil so that subsequently it may be identified as to source by incorporating into the oil as a tracer material a minor amount of certain halohydrocarbons or halocarbons, utilizing the so-tagged oil in any desired manner wherein cont... | 02/26/1985 |
| 4498543 | Method for placing a liner in a pressurized well A method for placing a perforated liner in a well penetrating a reservoir containing a high pressure fluid, for example, a geothermal fluid. The holes in one or more sections of a preperforated liner are temporarily closed by inserting therein hollow plug... | 02/12/1985 |
| 4498538 | Method for maintaining the permeability of fines-containing formations A method for treating formations which contain particulate fines to decrease movement of or swelling of the fines when a fluid passes through the formation, thus maintaining the permeability of the formation, comprising injecting into the formation an org... | 02/12/1985 |
| 4487265 | Acidizing a subterranean reservoir The permeability of subterranean hydrocarbon-producing reservoirs is increased by introducing therein a mixture containing a tertiary carboxylic acid alkylated amide and a glycol ether in combination with an aqueous solution of an acid and, optionally, in... | 12/11/1984 |
| 4480694 | Method for acidizing high temperature subterranean reservoirs Subterranean reservoirs having temperatures above about 250° F. are acidized by atomizing an acid precursor in an anhydrous gas to form a mist, mixing the mist with water in the borehole of a well penetrating the reservoir to form a treating fluid compri... | 11/06/1984 |
| 4479543 | Method for deeper penetrating acidizing of siliceous formations A method for acidizing siliceous subterranean formations wherein the acidizing composition penetrates the formation to a greater extent before spending comprising injecting into the formation first an organosilane or an ester of an organosilane, preferabl... | 10/30/1984 |
| 4476930 | Inhibition of scale deposition from steam generation fluids A method for treating a hot water-containing fluid stream passing through a conduit, under conditions of temperature and pressure whereupon at least a portion of the water flashes to steam, to inhibit the formation of scale deposited on the conduit and/or... | 10/16/1984 |
| 4475595 | Method of inhibiting silica dissolution during injection of steam into a reservoir A method for inhibiting the dissolution of silica from the matrix around a well during injection of steam into the matrix by adding to the feedwater used to generate the steam or the steam itself an inhibitor comprising an ammonium or substituted ammonium... | 10/09/1984 |
| 4407366 | Method for gas capping of idle geothermal steam wells A method for capping an idle geothermal steam well so as to prevent hydrogen sulfide emissions and well damage due to steam condensation includes replacing geothermal steam in a well borehole with gas, perferably an inert gas such as nitrogen, and sealing... | 10/04/1983 |
| 4405825 | Pour point reduction of syncrude A composition and method for reducing the pour point of syncrude, such as those from oil shale, tar sands, oil-impregnated diatomite ore, or coal, by adding thereto an effective amount of a nitrogen-containing compound such as ammonia, ammonium hydroxide ... | 09/20/1983 |
| 4405463 | Process for stabilizing silica-rich geothermal brine to prevent silica scaling A process for stabilizing silica-rich geothermal brine to prevent silica scaling comprises selectively providing a supply of ferric ions, allowing the silica-rich brine to combine with the ferric ions to form insoluble, iron-rich siliceous material and se... | 09/20/1983 |
| 4391329 | Use of marker fluid in cementing offshore wells Cementing casing in an offshore well by displacing a drilling fluid with a settable cement slurry wherein there is injected into the annulus between the sidewall of the well and the casing ahead of the cement slurry a slug of a visually identifiable marke... | 07/05/1983 |
| 4359093 | Method for enhanced oil recovery in reservoirs containing dissolved divalent metal cations A method for the enhanced recovery of oil from subterranean reservoirs having connate water containing dissolved divalent metal cations wherein there is injected via an injection well a slug of an aqueous solution containing a water-soluble alkaline mater... | 11/16/1982 |
| 4332297 | Selectively controlling fluid flow through the higher permeability zones of subterranean reservoirs A method for restricting fluid flow in depth outwardly from the bore hole through the medium to high permeable zones of a subterranean reservoir of nonuniform permeability in which there is injected into the reservoir aqueous solutions of a water-soluble ... | 06/01/1982 |
| 4201678 | Foam drilling and workover in high temperature wells A method for conducting foam drilling and workover operations in a bore hole penetrating a subterranean reservoir, particularly a high-temperature reservoir such as a geothermal reservoir, employing an aqueous foaming solution of about 0.08 to 1.0 percent... | 05/06/1980 |
| 4194566 | Method of increasing the permeability of subterranean reservoirs A method of acidizing and/or fracturing a subterranean reservoir with a minimum of damage to the reservoir by the displacement fluid used to displace the acidizing or fracturing fluid into the reservoir and by the fluid used to kill the well wherein a res... | 03/25/1980 |
| 4192753 | Well completion and workover fluid having low fluid loss A non-damaging variable-density low fluid loss well completion and workover fluid composition which is a dispersion of finely divided slowly oil-soluble, water-insoluble solid particulate matter in a thickened aqueous salt solution. The fluid composition ... | 03/11/1980 |
| 4191249 | Reducing the relative water/petroleum movement in a petroleum producing reservoir A method for reducing the relative water/petroleum movement in a reservoir wherein there is injected a slug of an oil containing both an oil-soluble thickening agent and a suspension of a solid particulate water-soluble thickening agent.... | 03/04/1980 |
| 4187087 | Handling fluid discharged from a conduit at a high velocity An apparatus and method for handling a fluid stream containing gas, liquid and solid particulate matter, which fluid stream issues from a conduit at a high velocity, such as from a geothermal well during the drilling, producing, testing or treating of the... | 02/05/1980 |
| 4147211 | Enhanced oil recovery process utilizing a plurality of wells A process of treating a plurality of wells involved in an enhanced oil recovery process so that oil and/or gas can be displaced from a reservoir in a more uniform manner comprising treating the formation surrounding and in the immediate vicinity of each w... | 04/03/1979 |
| 4141416 | Enhanced oil recovery using alkaline sodium silicate solutions An enhanced oil recovery process for subterranean reservoirs wherein there is injected into the reservoir a relatively large slug of a dilute aqueous alkali metal silicate solution. It is optional to follow the silicate solution with an aqueous drive flui... | 02/27/1979 |
| 4140183 | Micellar flooding process for heterogeneous reservoirs A process for recovering oil from a heterogeneous subterranean reservoir having strata of widely varying permeability by injecting therein via a well a slug of a micellar solution followed by an aqeuous drive fluid wherein, at some time prior to the injec... | 02/20/1979 |
| 4128482 | Mobility control of aqueous fluids in porous media A composition and method for providing improved mobility control in secondary and tertiary recovery processes obtained by injecting into a subterranean hydrocarbon-bearing formation, as part of the secondary or tertiary recovery fluid, an aqueous solution... | 12/05/1978 |
| 4121664 | Biodegradable foaming agent in drilling and workover operations A method for conducting foam drilling and workover oprations in a bore hole penetrating a subterranean reservoir employing an aqueous solution of a biodegradable foaming agent composition containing about 0.1 to 1 part by weight of an N-fatty ethyl sulfat... | 10/24/1978 |
| 4121674 | Method for foam drilling using a biodegradable foaming agent A method for conducting foam drilling and workover operations in a bore hole penetrating a subterranean reservoir employing an aqueous solution of a biodegradable foaming agent composition containing about 0.3 to 3 parts by weight of an N-fatty ethyl sulf... | 10/24/1978 |
| 4102396 | Determining residual oil saturation following flooding A method for determining the fluid saturation, for example the hydrocarbon saturation, the residual oil saturation or water saturation, of a reservoir following a secondary recovery operation wherein there is injected into the reservoir via a well first h... | 07/25/1978 |
| 4101426 | Acid composition and method for acid treating geological formations An acid composition comprising a substantially anhydrous liquid mixture of (1) about 50 to 99 weight percent of polyphosphoric acid having about 5 to 90 weight percent of the total P2 O5 present as polymeric P2 O5 | 07/18/1978 |
| 4101425 | Non-aqueous acid emulsion composition and method for acid-treating siliceous geological formations A stable, non-aqueous acid emulsion composition comprising an admixture of a substantially anhydrous polyphosphoric acid-based mixture, an organic solvent, and a surfactant; and a method for increasing the permeability of siliceous subterranean geological... | 07/18/1978 |
| 4081029 | Enhanced oil recovery using alkaline sodium silicate solutions An enhanced oil recovery process for subterranean reservoirs wherein there is injected into the reservoir a relatively large slug of a dilute aqueous alkali metal silicate solution. It is optional to follow the said silicate solution with an aqueous drive... | 03/28/1978 |
| 4069869 | Plugging high permeability zones of reservoirs having heterogeneous permeability A method of forming a mixed plug in the more permeable zones of a subterranean reservoir of nonuniform permeability in which there is injected into the reservoir aqueous solutions of: a polymer, a material that reacts with the polymer to form a time-delay... | 01/24/1978 |
| 4060490 | Composition and method for enhanced oil recovery utilizing aqueous polyacrylamide solutions A composition and method for enhanced oil recovery utilizing an aqueous displacement fluid containing or contaminated by brine and containing a polyacrylamide or polyacrylamide derivative as a thickener and "OK Liquid" detergent.... | 11/29/1977 |
| 4046199 | Steam injection apparatus and method An apparatus and method for directing steam into selected strata of a relatively thick subterranean formation penetrated by a well. The apparatus includes an elongated housing attachable to the lower end of the well tubing, the housing having a closed low... | 09/06/1977 |
| 4045360 | Inhibiting wax deposition from a wax-containing oil A method for inhibiting the deposition of wax onto a solid surface from wax-containing petroleum and other wax-containing oils in contact with such solid surface comprising adding to such oils a synergistic mixture of a copolymer of ethylene and a monoeth... | 08/30/1977 |
| 4039028 | Mobility control of aqueous fluids in porous media A composition and method for providing improved mobility control in secondary and tertiary recovery processes obtained by injecting into a subterranean hydrocarbon-bearing formation, as part of the secondary or tertiary recovery fluid, an aqueous solution... | 08/02/1977 |
| 4039459 | Composition and method for drilling a reservoir containing a high temperature aqueous liquid A composition and method for drilling a well into a subterranean reservoir containing a high temperature aqueous liquid which composition contains as a scale inhibitor (i) a water-soluble substituted iminodi(methylene phosphonic acid) compound having a ca... | 08/02/1977 |
| 4032460 | Inhibition of scale deposition in high temperature wells A method of inhibiting the formation of scale from aqueous solutions containing scale-forming ions at temperatures of up to 400° F. and above during production and utilization of such aqueous solutions comprising adding to the solutions certain amines, a... | 06/28/1977 |
| 4018685 | Automatic liquid mixing device A device for mixing a plurality of liquid components in preselected proportions to form a mixture of the liquid components. The device includes a separate liquid component storage reservoir for each liquid component, a pump, means to successively connect ... | 04/19/1977 |
| 4013568 | Composition and method for drilling formations containing geothermal fluid A composition and method for drilling a well into a subterranean formation containing a geothermal fluid utilizing a gas-containing aqueous drilling fluid containing both lignite and a salt of a high molecular weight acrylic polymer.... | 03/22/1977 |
| 4009755 | Selectively controlling the flow of fluids through subterranean formations A method of forming a combination plug in the more permeable zones of a subterranean formation of nonuniform permeability in which there is injected into the formation (1) aqueous solutions of a polymer and a material that reacts with the polymer to form ... | 03/01/1977 |
| 4005753 | Method of treating a subterranean formation with a polymeric diverting agent A water-insoluble particulate composition having controlled slow oil-solubility at temperatures in excess of 350° F. is disclosed. The composition is comprised of solid particles of a homogeneous mixture of (1) polyethylene, ethylene-vinyl acetate copoly... | 02/01/1977 |
