FreshPatents.com: Earth boring, well treating, and oil field chemistry - USPTO Class 507 Patent Applications Update http://www.freshpatents.com/Earth-boring-well-treating-and-oil-field-chemistry-dtnewntc507.php USPTO Class 507 - Earth boring, well treating, and oil field chemistry en-us Mon, 20 May 2013 13:43:56 -0700 1000 Wednesday Thursday Friday Saturday Sunday FreshPatents.com 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif Polymers having acid and amide moieties, and uses thereof http://www.freshpatents.com/-dt20130516ptan20130123147.php Mon, 20 May 2013 13:43:56 -0700 Polymers are described that are polymerized from at least one reactive vinyl monomer having acid functionality or a salt thereof, and at least one reactive vinyl monomer having amide functionality. These polymers have a molecular weight from about 500 Da to about 15,000 Da; and may additionally comprise one or... Use of polylysine as a shale inhibitor http://www.freshpatents.com/-dt20130516ptan20130123148.php Mon, 20 May 2013 13:43:56 -0700 What is proposed is the use of hyperbranched polylysine in the development, exploitation and completion of underground mineral oil and natural gas deposits, and in deep wells, especially as a shale inhibitor in water-based drilling muds, completion fluids or stimulation fluids.... Polyelectrolyte complexes for oil and gas applications http://www.freshpatents.com/-dt20130516ptan20130123149.php Mon, 20 May 2013 13:43:56 -0700 A polyelectrolyte complex for the controlled release of an oil and gas field chemical selected from the group consisting of (a) a gel-forming or cross-linking agent, (b) a scale inhibitor, (c) a corrosion inhibitor, (d) an inhibitor of asphaltene or wax deposition, (e) a hydrogen sulfide scavenger, (f) a hydrate... Metallic particle induced saponification of fatty acids as breakers for viscoelastic surfactant-gelled fluids http://www.freshpatents.com/-dt20130516ptan20130123150.php Mon, 20 May 2013 13:43:56 -0700 A method for affecting the viscosity of an aqueous fluid gelled with a VES includes providing an aqueous fluid and adding to the aqueous fluid, in any order: at least one VES comprising a non-ionic surfactant, cationic surfactant, amphoteric surfactant or zwitterionic surfactant, or a combination thereof, in an amount... Metallic particle mediated viscosity reduction of viscoelastic surfactants http://www.freshpatents.com/-dt20130516ptan20130123151.php Mon, 20 May 2013 13:43:56 -0700 A method for breaking the viscosity of an aqueous fluid gelled with a viscoelastic surfactant (VES) is disclosed. The method includes providing an aqueous fluid and adding to the aqueous fluid, in any order: at least one VES comprising a non-ionic surfactant, cationic surfactant, amphoteric surfactant or zwitterionic surfactant, or... Ceramic particles and methods for making the same http://www.freshpatents.com/-dt20130516ptan20130123152.php Mon, 20 May 2013 13:43:56 -0700 Disclosed is a population of ceramic particles that includes a plurality of individual, free flowing particles. The plurality has a total weight and particle size distribution. The effective width of the distribution is the difference between the distribution's d95 and d5 particle sizes. The distribution's effective width exceeds 100 microns...