Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8186434 | Method of stimulation using hollow, non-spherical particulates Non-spherical particulates are useful in the stimulation of subterranean formations. A proppant pack composed of the non-spherical particulates exhibits greater porosity than a corresponding proppant pack composed of spherical particulates. Non-spherical particulate... | 05/29/2012 |
| 8141637 | Manipulation of flow underground Solid material required at a subterranean location is supplied from the surface suspended in a carrier liquid and agglomerated below ground by means of a binding liquid. To achieve agglomeration, the binding liquid and the particulate solid are similar to each other... | 03/27/2012 |
| 8066068 | Heterogeneous proppant placement in a fracture with removable channelant fill A method of heterogeneous proppant placement in a subterranean fracture is disclosed. The method comprises injecting well treatment fluid including proppant (16) and proppant-spacing filler material called a channelant (18) through a wellbore (10 | 11/29/2011 |
| 8061424 | Method for hydraulic fracturing of subterranean formation The invention provides economically effective methods for hydraulic fracturing a subterranean formation that ensure improvement of the hydraulic fracturcconductivity because of forming strong proppant clusters uniformly placed in the fracture throughout its length. ... | 11/22/2011 |
| 8047289 | Methods of using particulates in subterranean operations Among the methods described herein are methods using low-specific gravity particulates wherein the particulates comprise silica and an aluminum oxide in an amount of about 0.1% to about 25% by weight and having at least one void, a specific gravity of less than abou... | 11/01/2011 |
| 8047288 | Proppants with carbide and/or nitride phases Proppants used to prop open subterranean formation fractions. Proppant formulations using one or more proppants. Methods to prop open subterranean formation fractions and other uses for the proppants, as well as methods of making the proppants. ... | 11/01/2011 |
| 8006759 | Manufacture of strong, lightweight, hollow proppants An ultra strong, hollow sintered, impervious, metallic shell for use in structural applications including proppants for hydraulic fracturing. The shell is made of a maraging steel, low alloy steel, or stainless steel with a crush strength of about 3,000 psi or great... | 08/30/2011 |
| 8006760 | Clean fluid systems for partial monolayer fracturing Provided are methods that include a method comprising: placing a clean fluid comprising proppant particulates into a portion of a fracture in a subterranean formation, and depositing one or more of the proppant particulates into the fracture to form a partial monola... | 08/30/2011 |
| 7954548 | Proppant for hydraulic fracturing of oil and gas wells The present invention relates to a proppant for the hydraulic fracturing of oil or gas wells, which consists of a mixture of from 10 to 95% by weight of a spherical proppant and from 5 to 90% by weight of an angular material, the percentages being based on the total... | 06/07/2011 |
| 7950455 | Non-spherical well treating particulates and methods of using the same Non-spherical particulates are useful in the stimulation of subterranean formations. A proppant pack composed of the non-spherical particulates exhibits greater porosity than a corresponding proppant pack composed of spherical particulates. Non-spherical particulate... | 05/31/2011 |
| 7918277 | Method of treating subterranean formations using mixed density proppants or sequential proppant stages An increase in effective propped lengths is evidenced in hydraulic fracturing treatments by the use of ultra lightweight (ULW) proppants. The ULW proppants have a density less than or equal to 2.45 g/cc and may be used as a mixture in a first proppant stage wherein ... | 04/05/2011 |
| 7882894 | Methods for completing and stimulating a well bore Methods are providing, including methods comprising providing a liner disposed within a well bore that penetrates a subterranean formation, such that the well bore comprises an annular space between the exterior surface of the liner and the well bore wall; providing... | 02/08/2011 |
| 7861780 | Method of treating subterranean formations with porous particulate materials Methods and compositions useful for subterranean formation treatments, such as hydraulic fracturing treatments and sand control that include porous materials. Such porous materials may be selectively configured porous material particles manufactured and/or treated w... | 01/04/2011 |
| 7849923 | Proppant entrainment prevention method Elimination of sand entrainment and a significant increase in hydrodynamic permeability of the sand pack in an area near the wellbore are achieved through the use of a sand and/or proppant, and proppant material mixture at the final stage of the fracture filling pro... | 12/14/2010 |
| 7845409 | Low density proppant particles and use thereof Composite proppant particles each of which comprises a plurality of microbubbles and a resin binder are disclosed. Also disclosed are a method of using such composite proppant particles to prop fractures in wells formed in underground formations. ... | 12/07/2010 |
| 7806182 | Stimulation method A subterranean formation stimulation method utilizes a treatment fluid comprising residual drilling fluid injected into the formation, and producing the stimulated formation. In one embodiment, a tight gas formation is fractured and the fracture has a higher conduct... | 10/05/2010 |
| 7806181 | Technique to limit proppant carry-over out of fracture The invention relates to methods to stimulate formation production when oil recovering. Reducing cost and simplifying the manufacture of the propping material to prevent proppant carrying-over were achieved owing to the injection of the hydraulic fracturing liquid w... | 10/05/2010 |
| 7789147 | Method of stimulating oil and gas wells using deformable proppants A method of fracturing using deformable proppants minimizes proppant pack damage, without compromising the fracturing fluid's proppant transport properties during pumping, by use of deformable proppants. Selection of proppant is dependent upon the mechanical propert... | 09/07/2010 |
| 7730948 | Use of coated proppant to minimize abrasive erosion in high rate fracturing operations Methods for reducing wear in pumping components during fracturing operations. A coated proppant is used that causes less wear on the pumping components as the proppant is pumped into the wellbore. The proppant coating consists of a substrate having a coating thereup... | 06/08/2010 |
| 7721804 | Proppants for gel clean-up Methods of incorporating a chemical breaker onto a proppant that will permit release of the breaker after the proppant has been placed in a hydraulic fracture are provided. The methods utilize a chemical breaker coated on the surface of a non-porous proppant grain o... | 05/25/2010 |
| 7708069 | Method to enhance proppant conductivity from hydraulically fractured wells A method of mitigating proppant settling in a hydraulic fracture in order to better suspend the proppant as well as ensure a more uniform pack, by mixing a pre-determined volume percent of low density additive, such as glass beads or other suitable material, such as... | 05/04/2010 |
| 7677312 | Degradable cement compositions containing degrading materials and methods of cementing in wellbores A temporary matrix is provided in treating a subterranean formation by providing a composition comprising a matrix forming material and a matrix degrading material. The matrix degrading material is capable of degrading the matrix after a period of time when subjecte... | 03/16/2010 |
| 7669658 | High strength polycrystalline ceramic spheres A method for making hollow spheres of alumina or aluminate comprises: coating polymeric beads with an aqueous solution of an alumoxane, drying the beads so as to form an alumoxane coating on the beads; heating the beads to a first temperature that is sufficient to c... | 03/02/2010 |
| 7654323 | Electrofused proppant, method of manufacture, and method of use An embodiment consistent with the present invention is a high strength proppant comprising an electrofused pellet. In another embodiment, a high strength proppant comprises a substantially solid and substantially spherical pellet produced by electrofusion of at leas... | 02/02/2010 |
| 7644762 | Solid state pump The present invention is a material and method that enables creation of an in situ pumping action within a matrix or otherwise porous media. This pumping action may be used to move materials, namely fluids, through the matrix or porous media to a gathering point. Th... | 01/12/2010 |
| 7624802 | Low temperature coated particles for use as proppants or in gravel packs, methods for making and using the same Disclosed herein are free flowing coated particles and low temperature methods of making same. Each particle has a curable coating disposed upon a substrate. The substrate is a particulate substrate including an inorganic material, a particulate substrate including ... | 12/01/2009 |
| 7591313 | Methods of treating particulates and use in subterranean formations Provided are methods of modifying the surface stress-activated reactivity of proppant particulates used in subterranean operations. In one embodiment, the methods comprise: providing a plurality of particulates, at least one of which comprises a mineral surface; pro... | 09/22/2009 |
| 7571767 | High porosity fractures and methods of creating high porosity fractures Methods of creating high porosity propped fractures in portions of subterranean formations, including methods of forming a high porosity propped fracture in a subterranean formation comprising providing a slurry comprising a fracturing fluid and proppant particulate... | 08/11/2009 |
| 7568524 | Polyphenylene sulfide proppants A system and method for delivering a slurry having a fracturing fluid and one or more proppants to a fracture in a subterranean formation. At least one proppant has PPS and produces less than 5 weight percent fines at a closure pressure of the fractured subterranean... | 08/04/2009 |
| 7559369 | Well treatment composition 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... | 07/14/2009 |
| 7506689 | Fracturing fluids comprising degradable diverting agents and methods of use in subterranean formations Treatment fluids comprising degradable diverting agents and methods of using such treatment fluids in subterranean formations are provided. Examples of methods include methods of fracturing a subterranean formation. Another example of a method is a method of enhanci... | 03/24/2009 |
| 7490667 | Proppants with soluble composite coatings A new proppant comprises a proppant particle substrate, a water-soluble external coating on the proppant particle substrate and a microparticulate reinforcing and spacing agent at least partially embedded in the water-soluble external coating in a manner such that t... | 02/17/2009 |
| 7461697 | Methods of modifying particulate surfaces to affect acidic sites thereon Methods comprising: providing a treatment fluid that comprises a base fluid and a least a plurality of coated particulates, the coated particulates having been treated with a surface modification agent and coated with a hydrolysable coating; placing the treatment fl... | 12/09/2008 |
| 7461696 | Methods of fracturing using fly ash aggregates A method of propping at least one fracture in a subterranean formation is provided, the method comprising: forming a plurality of fly ash aggregates, each fly ash aggregate comprising an aqueous component and fly ash; introducing the plurality of fly ash aggregates ... | 12/09/2008 |
| 7426961 | Method of treating subterranean formations with porous particulate materials Methods and compositions useful for subterranean formation treatments, such as hydraulic fracturing treatments and sand control that include porous materials. Such porous materials may be selectively configured porous material particles manufactured and/or treated w... | 09/23/2008 |
| 7424911 | Method of estimating fracture geometry, compositions and articles used for the same Disclosed herein is a method of determining the fracture geometry of a subterranean fracture comprising introducing into the fracture a target particle and/or proppant; transmitting into the fracture electromagnetic radiation having a frequency of about 300 megahert... | 09/16/2008 |
| 7424913 | Methods of using substantially hydrated cement particulates in subterranean applications Methods of gravel packing comprising providing a gravel packing fluid comprising a base fluid and substantially hydrated cement particulates, introducing the gravel packing fluid into a subterranean formation, and depositing at least a portion of the substantially h... | 09/16/2008 |
| 7363978 | Methods of using reactive surfactants in subterranean operations Novel uses of reactive surfactants in treating subterranean formations and/or proppant particulates are provided. In one embodiment, the present invention provides a method comprising: providing a treatment fluid that comprises a base fluid and a reactive surfactant... | 04/29/2008 |
| 7353879 | Biodegradable downhole tools A disposable downhole tool or a component thereof comprises an effective amount of biodegradable material such that the tool or the component thereof desirably decomposes when exposed to a wellbore environment. In an embodiment, the biodegradable material comprises ... | 04/08/2008 |
| 7353876 | Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations Methods of stimulating subterranean formations are provided. More particularly, methods of fracturing subterranean formations using a fracturing fluid comprising a self-degrading cement composition are provided. An example of a method is a method of treating a subte... | 04/08/2008 |
