William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8162058 | Slag compositions and methods of use Methods and compositions are provided that relate to cementing operations. Methods and compositions that include a latex strength enhancer for enhancing the compressive strength of slag compositions. ... | 04/24/2012 |
| 8162057 | Radiation-induced thickening for set-on-command sealant compositions and methods of use The present invention includes methods relating to the setting of fluids or slurries in a wellbore. In one embodiment, a method of isolating a portion a wellbore by preparing a sealant composition comprising a fluid component and a polymeric additive component, plac... | 04/24/2012 |
| 8162055 | Methods of activating compositions in subterranean zones The present disclosure is directed to a system and method for managing cement in a subterranean zone. In some implementations, a method of cementing in a subterranean formation includes positioning a cement slurry including a plurality of activation devices in a wel... | 04/24/2012 |
| 8162050 | Use of micro-electro-mechanical systems (MEMS) in well treatments A method of servicing a wellbore, comprising placing a plurality of Micro-Electro-Mechanical System (MEMS) sensors in a wellbore composition, pumping the wellbore composition into the wellbore at a flow rate, determining velocities of the MEMS sensors along a length... | 04/24/2012 |
| 8157009 | Cement compositions and associated methods comprising sub-micron calcium carbonate and latex Methods and compositions are provided that relate to cement compositions and methods comprising sub-micron calcium carbonate and latex. An embodiment includes a method of cementing in a subterranean formation. The method may comprise introducing a cement composition... | 04/17/2012 |
| 8153563 | Cement compositions comprising stevia retarders Methods and compositions that include a method of cementing comprising providing a cement composition comprising water, a hydraulic cement, and an additive comprising at least one additive selected from the group consisting of a stevia retarder and inulin; placing t... | 04/10/2012 |
| 8148303 | Surfactant additives used to retain producibility while drilling A method comprises providing a drilling fluid comprising: an aqueous fluid; and a microemulsion surfactant; and drilling a well bore in a subterranean formation comprising an oleaginous fluid using the drilling fluid, wherein the microemulsion surfactant forms a mic... | 04/03/2012 |
| 8143199 | Compositions and methods for water control and strengthening unconsolidated formations The present invention relates, in general, to subterranean fluids, and more particularly, to subterranean drilling fluids that may be useful for reducing the production of water from a portion of a subterranean formation and/or stabilizing an unconsolidated portion ... | 03/27/2012 |
| 8143198 | Radiation-induced triggering for set-on-command compositions The present invention relates to compositions useful for isolating a portion of a wellbore. In one embodiment, a composition includes a sealant composition containing a wellbore treatment fluid and a set modifier component. The sealant composition can be placed into... | 03/27/2012 |
| 8138128 | Radiation-induced thickening for set-on-command sealant compositions The present invention includes compositions relating to the setting of fluids or slurries in a wellbore. In one embodiment, a sealant composition having a fluid component and a polymeric additive component can be subjected to ionizing radiation. The ionizing radiati... | 03/20/2012 |
| 8138126 | Compositions and methods for water control and strengthening unconsolidated formations The present invention relates, in general, to subterranean fluids, and more particularly, to subterranean drilling fluids that may be useful for reducing the production of water from a portion of a subterranean formation and/or stabilizing an unconsolidated portion ... | 03/20/2012 |
| 8132623 | Methods of using lost circulation compositions A method of servicing a wellbore in contact with a subterranean formation, comprising: placing a wellbore servicing fluid comprising a crosslinkable polymer system and a filler into a lost circulation zone within the wellbore. A method of blocking the flow of fluid ... | 03/13/2012 |
| 8123852 | Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations The present invention relates to subterranean well cementing operations, and more particularly, to cement compositions that include high aspect ratio materials, and methods for using such cement compositions in subterranean formations. An example of a method of the ... | 02/28/2012 |
| 8100180 | Method of servicing a wellbore with a sealant composition comprising solid latex A method of servicing a wellbore comprising placing a sealant composition comprising solid latex into the wellbore. ... | 01/24/2012 |
| 8083849 | Activating compositions in subterranean zones The present disclosure is directed to a system and method for managing cement in a subterranean zone. In some implementations, a method of cementing in a subterranean formation includes positioning a cement slurry including a plurality of activation devices in a wel... | 12/27/2011 |
| 8062999 | Sealant compositions comprising colloidally stabilized latex and methods of using the same Sealant compositions comprising a colloidally stabilized latex and methods of using the same to service a wellbore are provided. The sealant compositions may include: an aliphatic conjugated diene monomer; an additional monomer comprising a non-aromatic unsaturated ... | 11/22/2011 |
| 8062997 | Method for enhancing stability of oil based drilling fluids at high temperatures Methods for enhancing the stability of ester based drilling fluids for drilling, running casing in, and/or cementing a borehole in a subterranean formation are disclosed, as well as improved ester based drilling fluids for use at high temperatures. The advantages of... | 11/22/2011 |
| 8048829 | Spotting fluid compositions and associated methods Fluids and associated methods useful in subterranean applications are provided. Compositions are provided that may be useful in subterranean applications for addressing, among other things, drill string sticking problems. More particularly, spotting fluid compositio... | 11/01/2011 |
| 8048828 | Spotting fluid compositions and associated methods Fluids and associated methods useful in subterranean applications are provided. More particularly, methods of reducing drill string sticking are provided, which include: providing a spotting fluid composition comprising a water insoluble external phase fluid, a wate... | 11/01/2011 |
| 8047282 | Methods of sonically activating cement compositions The present disclosure is directed to a system and method for sonically activating cement slurries. In some implementations, a method of treating a subterranean formation includes positioning a settable composition including a capsule in a wellbore. The capsule is u... | 11/01/2011 |
| 8043997 | Lost circulation material formulation and method of use A lost circulation material and method for well treatment employing the material that is effective at sealing or plugging small fissures and large fractures and has utility over a wide range of temperatures, including high temperatures. The material has an optimized... | 10/25/2011 |
| 8030253 | Foamed cement compositions comprising oil-swellable particles Of the many compositions provided herein, an embodiment includes a foamed cement composition comprising a cementitious component, an oil-swellable particle comprising at least one swellable elastomer selected from the group consisting of acrylate butadiene rubber, p... | 10/04/2011 |
| 8030252 | Polymer-based, surfactant-free, emulsions and methods of use thereof In one embodiment, the present invention provides a drilling fluid composition that comprises a surfactant-free emulsion comprising an oleaginous fluid, a fluid that is at least partially immiscible with the oleaginous fluid, and a non-surfactant polymeric emulsifie... | 10/04/2011 |
| 7985717 | Methods of using drilling fluids containing biodegradable organophilic clay Methods of treating a wellbore comprise displacing a drilling fluid comprising an organophilic clay treated with a quaternary ammonium surfactant having an amide linkage into the wellbore. Methods of drilling a wellbore comprise: applying torque to a bit within the ... | 07/26/2011 |
| 7960314 | Microemulsifiers and methods of making and using same A method comprising contacting a zwitterionic surfactant, co-surfactant, and water to form a microemulsifier, and contacting the microemulsifier with an oleaginous fluid under low shear conditions to form a microemulsion. A method comprising introducing a first well... | 06/14/2011 |
| 7943555 | Wellbore treatment kits for forming a polymeric precipitate to reduce the loss of fluid to a subterranean formation Wellbore treatment kits are provide that include a polymeric solution for placement in a wellbore that penetrates a subterranean formation and an activator for causing a polymer to precipitate out of the polymeric solution when it contacts the polymeric solution, wh... | 05/17/2011 |
| 7939606 | Polyalkenoate cement compositions and methods of use in cementing applications Methods and compositions for cementing applications. In one embodiment, the present invention provides a method of cementing comprising the steps of: providing a cement composition that comprises: a polyelectrolyte and/or an alkenoic acid first monomer; a filler; an... | 05/10/2011 |
| 7939474 | Wellbore fluids containing additives for removing a filter cake and methods of using the same Wellbore servicing fluids and methods of using the same to service a wellbore in a subterranean formation are provided. A filter cake in the wellbore is contacted with the gravel packing fluid, which comprises an oil-soluble additive capable of removing the filter c... | 05/10/2011 |
| 7939470 | Invert emulsion drilling fluids comprising quaternary ammonium emulsifiers and argillaceous solids and methods of drilling boreholes An invert emulsion drilling fluid, and a method for the use thereof in drilling wellbores, with good rheological properties at high temperatures and pressures. One embodiment of the drilling fluids are free of organophilic clays and lignites, free of calcium chlorid... | 05/10/2011 |
| 7934554 | Methods and compositions comprising a dual oil/water-swellable particle Methods and compositions are provided that relate to well bore treatments that comprise swellable particles. An embodiment includes a method that comprises introducing a fluid comprising a dual oil/water-swellable particle into a subterranean formation. Another embo... | 05/03/2011 |
| 7927419 | Settable compositions comprising cement kiln dust and swellable particles A variety of methods and compositions are disclosed herein, including, in one embodiment, a method comprising: introducing a settable composition into a subterranean formation, wherein the settable composition comprises: a cementitious component comprising a hydraul... | 04/19/2011 |
| 7913757 | Methods of formulating a cement composition A method of cementing a wellbore in a subterranean formation, comprising formulating a cement composition that may be suitable for long-term zonal isolation of the subterranean formation by evaluating a subterranean formation, preparing a base cement composition, de... | 03/29/2011 |
| 7906464 | Compositions and methods for the removal of oil-based filtercakes A method of servicing a wellbore comprising providing a composition comprising a mutual solvent precursor, an acid precursor, and an aqueous fluid, and contacting the composition with oil wet solids in the wellbore. A method of servicing a wellbore comprising introd... | 03/15/2011 |
| 7905287 | Methods of using a polymeric precipitate to reduce the loss of fluid to a subterranean formation Methods are provided for reducing the loss of a wellbore servicing fluid to a subterranean formation. A polymeric solution and an activator may be contacted in the formation, thereby forming a precipitate to at least partially block fluid from flowing further into t... | 03/15/2011 |
| 7902128 | Water-in-oil emulsions with hydrogel droplets background Methods and compositions are provided that include a water-in-oil composition comprising an oil-based continuous phase and a discontinuous phase that comprises at least a plurality of hydrogel droplets and a method comprising providing a water-in-oil emulsion compri... | 03/08/2011 |
| 7893011 | Compositions comprising Sorel cements and oil based fluids A wellbore servicing composition comprising a metal oxide, a soluble salt, a surfactant and an oleaginous fluid. A wellbore servicing composition comprising magnesium oxide, a chloride or phosphate salt, an organophilic surfactant and an oleaginous fluid. A wellbore... | 02/22/2011 |
| 7892352 | Well treatment compositions and methods utilizing nano-particles Disclosed embodiments relate to well treatment fluids and methods that utilize nano-particles. Exemplary nano-particles are selected from the group consisting of particulate nano-silica, nano-alumina, nano-zinc oxide, nano-boron, nano-iron oxide, and combinations th... | 02/22/2011 |
| 7891424 | Methods of delivering material downhole A package and methods for treating a wellbore using the same. In one embodiment, the method comprises servicing a wellbore in contact with a subterranean formation by placing a material in the wellbore, wherein the material is disposed within a closed container. The... | 02/22/2011 |
| RE42137 | Universal cementing plug A cementing plug having a universal construction and improved wiping and extended wear characteristics. The cementing plug has a plug subassembly with a body member and an elastomeric jacket on the body member. The body member defines a central opening therethrough ... | 02/15/2011 |
| 7878245 | Cement compositions comprising a high-density particulate elastomer and associated methods A variety of methods and compositions, including, in one embodiment, a method of treating a subterranean formation comprising introducing a treatment fluid into a well bore, wherein the treatment fluid comprises a particulate elastomer having a specific gravity of a... | 02/01/2011 |