Quotables
"The horse is here to stay, the automobile is only a novelty - fad."
President of Michigan Savings Bank ; 1903
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 |
| 7867952 | Flexible polymer, particles prepared therefrom and process for preparing the same Disclosed are a flexible polymer, particles made from same, and a process for preparing the particles. This flexible polymer is obtained from copolymerizing monomer (A) and monomer (B), wherein monomer (A) is one or more water-insoluble unsaturated diene monomers; m... | 01/11/2011 |
| 7749945 | Invert emulsion drilling fluid systems comprising an emulsified aqueous phase comprising dispersed integral latex particles An invert emulsion fluid system and a method of performing petroleum recovery operations using an invert emulsion fluid system. ... | 07/06/2010 |
| 7441599 | Controlling the pressure within an annular volume of a wellbore A process is described for replacing at least a portion of the liquid within the annular volume of a casing system within a wellbore with a second liquid. The second liquid is preselected to provide a measure of control of the pressure within the annular volume as t... | 10/28/2008 |
| 7393813 | Water-based drilling fluids using latex additives A water-based drilling fluid having a polymer latex capable of providing a deformable latex film on at least a portion of a subterranean formation has been discovered to provide reduced drilling fluid pressure invasion when used to drill in shale formations for hydr... | 07/01/2008 |
| 7378377 | Compositions for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids Methods of combining water-in-oil emulsion polymers with aqueous saline well treating fluids and compositions are provided. A composition of the invention basically comprises hydraulic cement, an aqueous saline fluid sufficient to form a slurry, a polymer precipitat... | 05/27/2008 |
| 7341106 | Methods for wellbore strengthening and controlling fluid circulation loss A sealant composition and methods for using the same are disclosed. In an embodiment, a method of servicing a wellbore in contact with a subterranean formation is disclosed. The method comprises placing a sealing agent and a nonaqueous carrier fluid in the wellbore.... | 03/11/2008 |
| 7332459 | Method for scale inhibition in oil wells A method of inhibiting scale formation in a subterranean formation comprising: (a) injecting a suspension comprising particles of a controlled release scale inhibitor suspended in an aqueous medium into a formation through an injection well wherein the particles hav... | 02/19/2008 |
| 7308939 | Methods of using polymer-coated particulates Methods are provided including a method comprising: providing a treatment fluid comprising particulates at least partially coated with a polymer, wherein the polymer is deposited on the particulates by at least partially coating the particulates with a polymer solut... | 12/18/2007 |
| 7270184 | Method of well treatment The invention provides a method of well treatment comprising introducing into the matrix surrounding a hydrocarbon well bore hole an emulsion the discontinuous phase of which comprises a non-polymerizable, water or oil miscible liquid carrier, a polymerizable monome... | 09/18/2007 |
| 7196040 | Microcapsule well treatment A material and a device for releasing chemicals in a fluid environment is disclosed, and a method for releasing substances into downhole fluid environments. The invention also relates to materials for sand control and hydraulic fracturing. The substance release devi... | 03/27/2007 |
| 7151077 | Polymersome compositions and associated methods of use The present invention relates to methods and compositions for treating subterranean formations. More particularly, the present invention relates to polymersomes, viscosifying agents that comprise polymersomes, and associated methods of use. In some embodiments, the ... | 12/19/2006 |
| 7084095 | Methods for controlling the rheological properties of viscoelastic surfactants based fluids It was found that the addition of polymers to viscoelastic surfactant base system allows to adjust the rheological properties of the base fluid. Depending in particular on one side of the ratio of the concentration of added polymer and the concentration of viscoelas... | 08/01/2006 |
| 7050166 | Calcium carbonate imaging technique The invention concerns a method for determining the particle size distribution (PSD) of bridging agents in fluids, particularly aqueous fluids used in hydrocarbon recovery such as drilling fluids, drill-in fluids, completion fluids, and the like. It was discovered t... | 05/23/2006 |
| 7026272 | Methods and compositions for sealing oil containing subterranean zones The present invention provides methods and compositions for sealing subterranean zones containing oil to prevent the uncontrolled flow of fluids into or from the zones. The compositions basically comprise water, a phosphonic acid ester, a multivalent metal ion relea... | 04/11/2006 |
| 7005082 | Fluorine-free fire fighting agents and methods A foam concentrate provides a fire-fighting composition when mixed with water so that the fire-fighting composition does not form a stable seal on cyclohexane and meets UL 162, Class B performance criteria for at least one of AFFF agents and fluoroprotein (FP) agent... | 02/28/2006 |
| 6881708 | Compositions for solving lost circulation problems A method and composition is provided for sealing a subterranean zone penetrated by a well bore and restoring lost circulation, wherein the composition basically comprises a mixture of latex, melamine-formaldehyde resin, and a catalyst. ... | 04/19/2005 |
| 6849581 | Gelled hydrocarbon compositions and methods for use thereof Gelled organic compositions and methods for using same. The gelled compositions may be liquid organic fluids, such as gelled liquid hydrocarbons, formed from a mixture of an organic-base fluid, a carboxylic acid, and one or more metal source compounds, such as a met... | 02/01/2005 |
| 6730637 | Reducing fluid loss in a drilling fluid This invention relates to a low toxicity drilling mud oil. In some embodiments, the fluid loss characteristic of the drilling mud oil as used in a borehole can be reduced to less than 0.2 ml/30 minutes by adding about 0.05% to about 2.0% by weight of a butadiene-sty... | 05/04/2004 |
| 6705400 | Methods and compositions for forming subterranean fractures containing resilient proppant packs Improved methods of forming fractures containing resilient proppant particle packs which prevent the production of sand and fines with produced fluids and prevent proppant flow-back in a subterranean zone penetrated by a well bore are provided. As the fractures are ... | 03/16/2004 |
| 6706667 | Shale-stabilizing additives A shale-stabilizing additive is described which comprises a copolymer of an olefinically unsaturated hydrocarbon and an ethylenically unsaturated carboxylic acid, carbocylic acid salt or carboxylic acid anhydride with alkylene oxide based side chains. The additive c... | 03/16/2004 |
| 6448206 | Sealing subterranean zones The present invention provides improved compositions and methods of using the compositions for sealing subterranean zones. One composition of the invention is comprised of water, an aqueous rubber latex, an organophilic clay, sodium carbonate, an epoxy re... | 09/10/2002 |
| 6357527 | Encapsulated breakers and method for use in treating subterranean formations The present invention relates to a method of breaking an aqueous fracturing fluid comprising introducing said aqueous fracturing fluid into contact with an encapsulated viscosity reducing agent said encapsulated viscosity reducing agent comprising an aque... | 03/19/2002 |
| 6167967 | Methods of sealing subterranean zones The present invention provides improved methods of sealing a subterranean zone to remedy the uncontrolled flow of fluids into and out of the zone. The methods basically comprise preparing a sealing composition and placing the composition into the zone to ... | 01/02/2001 |
| 5948735 | Use of breaker chemicals in gelled hydrocarbons Oil degradable encapsulated breaker particles are used in fracturing operations to break hydro-carbon liquid gelled with salts of alkyl phosphate esters. The preferred breaker chemical is particulate urea coated with sulfonated EPDM.... | 09/07/1999 |
| 5945387 | Polymeric well completion and remedial compositions and methods Polymeric well completion and remedial compositions which form highly pliable and durable impermeable masses of desired rigidity and methods of using the compositions are provided. The compositions are basically comprised of water, a water soluble polymer... | 08/31/1999 |
| 5874387 | Method and cement-drilling fluid cement composition for cementing a wellbore A method and a drilling fluid/cement slurry composition for cementing a wellbore. The drilling fluid/cement slurry composition comprises A cement slurry composition comprising: a) a cementitious material; b) a drilling fluid; and c) a dispersant selected from ... | 02/23/1999 |
| 5674816 | Olefin based frac fluid Linear olefin monomers, and particularly alpha-olefins, having a pour point greater than -102°, a flash point greater than 10° and a boiling point greater than 121° are proposed as frac fluids in treatment of oil and gas wells by fracturing. Linear ole... | 10/07/1997 |
| 5649596 | Use of breaker chemicals in gelled hydrocarbons Oil degradable granules containing particulate breaker chemical is used in fracturing operations to break hydrocarbon liquid gelled with salts of alkyl phosphate esters. The preferred breaker chemical is powdered Ca(OH)2.... | 07/22/1997 |
| 5565513 | Method and composition for delaying the cross-linking of water soluble polymer solutions A stable, non-aqueous liquid suspension of delayed boron cross-linkers comprises an anhydrous boron compound or a sparingly soluble borate suspended in a mixture of mineral spirits (commonly termed as naphtha) and a resin. Anhydrous boron compounds suitab... | 10/15/1996 |
| 5536706 | Use of butadiene-styrene copolymers in crude oils A process for inhibiting the deposition or precipitation of wax in a hydrocarbon fluid such as, for example, a crude oil, and for operating a pipeline is disclosed. The process comprises combining an effective amount of a polymer with the hydrocarbon flui... | 07/16/1996 |
| 5488083 | Method of gelling a guar or derivatized guar polymer solution utilized to perform a hydraulic fracturing operation A method of gelling a guar or derivatized guar polymer solution utilized to perform a hydraulic fracturing operation includes the step of adjusting the pH of the guar or derivatized guar polymer solution to between about 8.5 and 12.5. After adjusting the ... | 01/30/1996 |
| 5389706 | Well cement compositions having improved properties and methods Improved cement compositions and methods of using such compositions in carrying out construction and remedial operations in oil and gas wells at high temperatures are provided. The compositions are basically comprised of hydraulic cement, sufficient water... | 02/14/1995 |
| 5258072 | Additive composition for oil well cementing formulations An oil and gas well cementing composition has styrene/butadiene latex and a combination of nonionic surfactants for improved physical properties, especially fluid loss. The composition has no anionic surfactants.... | 11/02/1993 |
| 5110486 | Breaker chemical encapsulated with a crosslinked elastomer coating An encapsulated breaker chemical composition used in an oil or gas stimulation operation which comprises: a breaker chemical; and a pinhole free coating of an ionically and covalently crosslinked neutralized sulfonated elastomeric polyer of about 2 to abo... | 05/05/1992 |
| 5102558 | Encapsulated breaker chemical An encapsulated breaker chemical composition used in a fracturing process in the protection of an oil or gas stimulation operation which comprises: a breaker chemical; and a pinhole free coating of a neutralized sulfonated elastomeric polymer of about 2 t... | 04/07/1992 |
| 5102559 | Encapsulated breaker chemical with a multi-coat layer urea An encapsulated breaker chemical composition used in a fracturing process in an oil or gas stimulation operation which comprises: (a) a breaker chemical; (b) a water soluble sealing layer, such as urea, having a thickness within the range of about 1 to ab... | 04/07/1992 |
| 4814096 | Enhanced oil recovery process using a hydrophobic associative composition containing a hydrophilic/hydrophobic polymer An aqueous liquid medium having increased low shear viscosity and utility as a mobility control agent in enhanced oil recovery is provided by dispersing into the aqueous medium (1) a hydrophilic/hydrophobic polymer having hydrophobic groups, e.g., an acry... | 03/21/1989 |
| 4776398 | Oil reservoir permeability control The permeability of a subterranean oil-bearing formation is controlled by the injection of an aqueous solution of a cross-linked block copolymer containing polar and non-polar segments, with the polar segments generally making up at least 50 percent, usua... | 10/11/1988 |
| 4609043 | Enhanced oil recovery using carbon dioxide An enhanced oil recovery process in which carbon dioxide is injected into the oil-bearing formation under supercritical conditions to act as a solvent for the oil. Mobility of the carbon dioxide is controlled by the use of a dissolved polymer whose solubi... | 09/02/1986 |
| 4595513 | Oil base well treating fluids thickened by block copolymers Oil based well treating fluids comprise liquid mixtures of aliphatic and aromatic hydrocarbons containing aromatic hydrocarbons, polymeric materials inclusive of at least one block copolymer and polymer crosslinking agents, with the kinds and amounts of t... | 06/17/1986 |
