Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7081439 | Methods for controlling the fluid loss properties of viscoelastic surfactant based fluids Disclosed are methods of treating subterranean formations by first providing a suspension of colloidal particles prior to the injection of viscoelastic based treatment fluid, and injecting the treatment fluid into a well. The colloidal particles reduce fluid loss in... | 07/25/2006 |
| 6939483 | Brine fluids with improved corrosion properties It has been discovered that ammonia and amines are useful to increase the pH and corrosion resistance of high density brines, such as zinc bromide brines, without significantly reducing their densities. The ammonia or amine additive is preferably incorporated by con... | 09/06/2005 |
| 6844296 | Fracturing fluids and methods of making and using same Fracturing fluid compositions and methods for their preparation and use are disclosed. The compositions are useful in the oil and gas drilling operations, as well as in gravel packing operations, water blocking, temporary plugging for purposes of wellbore isolation ... | 01/18/2005 |
| 6620341 | Corrosion inhibitors for use in oil and gas wells and similar applications Anti-corrosion additives and processes useful for oil drilling and similar applications. Heteropoly complex anions of transitional metal elements can be added to an oil well drilling solution which includes a metallic salt, optionally in combination with ... | 09/16/2003 |
| 6308778 | Compositions and methods of catalyzing the rate of iron reduction during acid treatment of wells Methods and compositions for preventing precipitation of iron compounds during acid treatments of wells by catalyzing the rate of iron reduction during such treatments. Reduction of ferric ions is accelerated utilizing co-catalytic amounts of antimony ion... | 10/30/2001 |
| 5209859 | Inhibited acid system for acidizing wells An acid system for acidizing wells contains corrosion inhibitor additives which consist essentially of a metal selected from antimony and antimony mixtures, a quaternary compound, and a surfactant. The corrosion inhibitor is free of toxic acetylenic compo... | 05/11/1993 |
| 5130034 | Corrosion inhibitor and method of use A corrosion inhibitor for an acid well treating composition includes first metal ions including Sb, Cu, and Bi complexed with a quaternary ammonium compound and second metal ions complexed with a quaternary ammonium compound. The complexed compounds may b... | 07/14/1992 |
| 5089153 | Method of inhibiting corrosion in acidizing wells Corrosion inhibitor additives are added directly to an aqueous acid solution used in acidizing subterranean formations. The additives consist essentially of a metal selected from antimony and antimony mixtures, a quaternary compound, and a surfactant. The... | 02/18/1992 |
| 4997040 | Corrosion inhibition using mercury intensifiers An acid soluble mercury metal salt intensifier is provided to inhibit corrosion in conjunction with a corrosion inhibitor when a steel surface is present in an acid environment. The mercury metal salt may be a mercuric halide, such as mercuric chloride or... | 03/05/1991 |
| 4997583 | Method for protecting carbon steel from corrosion in heavy brines A method is described for the inhibition of corrosion of carbon steels due to heavy brine corrosive attack, which employs As+z -containing composition. Corrosion inhibiting compositions comprising As+z, alone or in admixture with ure... | 03/05/1991 |
| 4992182 | Scale removal treatment A method for treating a subterranean formation, or a well penetrating the formation, comprises injecting into the well an aqueous composition containing an aminopolycarboxylic acid and a water-soluble organosilicon compound. By use of the method, scale is... | 02/12/1991 |
| 4568481 | Extension of gelation time of crosslinked polygalactomannans In a process for preparing crosslinked gels from aqueous polygalactomannans using potassium pyroantimonates, the rate of gel formation is decreased by chelating the potassium pyroantimonate with di or tri alkali metal or ammonium citrate.... | 02/04/1986 |
| 4522658 | Method and composition for protecting metal surfaces from oxidative environments The present invention relates to a method of inhibiting the oxidative effect of an oxidative environment upon a metal surface utilizing a composition comprising an inhibiting effective amount of an acetylenic alcohol, a quaternary ammonium compound, an ar... | 06/11/1985 |
