Patent application number | Description | Published |
20100179077 | COATING COMPOSITION FOR PROPPANT AND THE METHOD OF MAKING THE SAME - A coated proppant comprising a proppant particulate substrate and a coating layer on the substrate. The coating layer is formed from a composition comprising a resin, a curing agent, an adhesion promoter, and a toughening agent. | 07-15-2010 |
20100197848 | AMPHIPHILIC BLOCK COPOLYMERS AND INORGANIC NANOFILLERS TO ENHANCE PERFORMANCE OF THERMOSETTING POLYMERS - Curable compositions, cured compositions, and methods of forming the same, including an epoxy resin, a curing agent, an amphiphilic toughening agent, and an inorganic nanofiller, wherein the toughening agent forms a second phase having at least one dimension being on the nanometer scale. | 08-05-2010 |
20110024129 | POWDER COATED PROPPANT AND METHOD OF MAKING THE SAME - A process for producing a proppant particulate substrate having a coating layer thereon including the step of blending a proppant particulate substrate with a powder coating composition at a temperature sufficient to cause the powder coating composition to coat the proppant particulate substrate with a powder coating; and a proppant particulate substrate coated by such a process. | 02-03-2011 |
20110058948 | WINDMILL PROPELLER BLADE AND METHOD OF MAKING SAME - A windmill blade which comprises reinforcing fibers in a toughened resin matrix. The resin matrix is made from a composition which comprises (a) one or more epoxy resins and/or one or more epoxy vinyl ester resins, (b) one or more reactive diluents, and (c) at least one amphiphilic block copolymer. The amphiphilic block copolymer comprises at least two different polyether blocks and is present in the composition in an amount of from about 0.5% to about 10% by volume, based on the total volume of the matrix composition. | 03-10-2011 |
20110098380 | POLYPHENOLIC COMPOUNDS AND EPOXY RESINS COMPRISING CYCLOALIPHATIC MOIETIES AND PROCESS FOR THE PRODUCTION THEREOF - Epoxy resins and mixtures of polyphenolic compounds which comprise cycloaliphatic moieties, processes for the production thereof and mixtures and cured products which comprise these resins and/or mixtures. | 04-28-2011 |
20110104498 | STRUCTURAL COMPOSITES WITH IMPROVED TOUGHNESS - A structural composite uses a block copolymer toughening agent to increase the fracture resistance (toughness) of the structural composite. The structural composite comprises (i) a carbon fiber reinforcing material and (ii) a thermosettable resin composition; wherein the thermosettable resin composition comprises (a) a thermosettable resin and (b) at least one block copolymer toughening agent. | 05-05-2011 |
20120010329 | CURABLE EPOXY RESIN COMPOSITIONS AND CURED PRODUCTS THEREFROM - Curable epoxy resin compositions, cured epoxy resin compositions, and processes of forming the same, including at least one epoxy resin, at least one sterically hindered amine curing agent and at least one non-sterically hindered amine curing agent which provides toughness properties to the curable composition and resultant cured product made from the curable composition. | 01-12-2012 |
Patent application number | Description | Published |
20090250221 | Method of supplying a powdered chemical composition to a wellsite - A method of conditioning a compacted polymeric powder to a flowable and meterable state. The polymeric powder is compacted during transport such that the flowability is hindered. To increase flowability, gas is introduced into the polymeric powder to condition the same to an improved flowable and meterable state. | 10-08-2009 |
20130293234 | System and Method for Measuring Downhole Parameters - Systems, tools and techniques for measuring downhole parameters are provided. The techniques involve providing a downhole tool with a sensing apparatus. The sensing apparatus has at least one source positionable about the downhole tool, at least one sensor electrode positionable about a front face of the downhole tool for measuring electrical signals from the source, and a raised insulating cover positionable along the front face of the downhole tool for defining at least one contact surface. The raised insulating cover extends over at least a portion of the sensor electrode whereby the sensor electrode is positionable adjacent to the subterranean formation for electrically coupling thereto without direct contact therewith. | 11-07-2013 |
20140014371 | EXPANDABLE DOWNHOLE SEAT ASSEMBLY - A technique includes deploying a seat assembly having a plurality of segments into a tubing string installed in a well and expanding the seat assembly at a downhole location in the well to secure the assembly to the tubing string and form a seat that is adapted to receive an untethered object. The technique includes receiving the untethered object in the seat of the seat assembly and using the received untethered object in the seat assembly to perform a downhole operation in the well. | 01-16-2014 |
20140202708 | DOWNHOLE COMPONENT HAVING DISSOLVABLE COMPONENTS - An apparatus that is usable with a well includes a first component and a second component. The first component is adapted to dissolve at a first rate, and the second component is adapted to contact the first component to perform a downhole operation and dissolve at a second rate that is different from the first rate. | 07-24-2014 |
20140216758 | DEPLOYING AN EXPANDABLE DOWNHOLE SEAT ASSEMBLY - A method includes running an assembly on a tool in a contracted state into a well. The assembly includes segments that are adapted to be radially contracted and arranged in a first number of layers along a longitudinal axis of the assembly in the contracted state of the assembly. The technique includes using the tool to expand the assembly downhole in the well to transition the assembly between the contracted state and an expanded state. Using the tool to expand the seat assembly includes radially expanding the segments and longitudinally contracting the segments to arrange the layers in a second number of layers having at least one layer less than the first number. | 08-07-2014 |
20140216759 | DEPLOYING AN EXPANDABLE DOWNHOLE SEAT ASSEMBLY - A technique that is usable with a well includes deploying a seat assembly into a tubing string; releasing the seat assembly at a downhole location inside the tubing string; pumping the seat assembly to a restriction in the tubing string at a second downhole location; and using an untethered object received in a seat assembly to form an obstruction in the tubing string. | 08-07-2014 |
20140284050 | Downhole Pressure Compensator and Method of Same - The techniques herein relate to a pressure compensation system for a sensor in a wellbore having a wellbore fluid therein. The system includes a downhole tool ( | 09-25-2014 |
20150075816 | SEGMENTED RING ASSEMBLY - A technique that is usable with a well includes deploying a segmented ring assembly in the well; and disposing the segmented ring assembly between a first element fixed in place in the well and a second unfixed element. The technique includes using the second element to compress the assembly to produce radially and tangentially acting forces on segments of the assembly. | 03-19-2015 |
20150101825 | SEGMENTED SEAT ASSEMBLY - An apparatus that is usable with a well includes a first portion and a second portion. The first portion includes a first plurality of segments, and the second portion includes a second plurality of segments. The apparatus is deployable in a tubing string that is installed in the well, and the second plurality of segments is adapted to engage the tubing string and exert a force on the first plurality of segments. The first plurality of segments is adapted to expand to form a seat in the tubing string to receive an untethered object in response to the force, and the second plurality of segments is adapted to be released from the first plurality of segments downhole in the well. | 04-16-2015 |