Patent application number | Description | Published |
20110100626 | Settable Compositions Comprising Unexpanded Perlite and Methods of Cementing in Subterranean Formations - An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water. | 05-05-2011 |
20120145393 | Methods and Compositions Comprising Cement Kiln Dust Having An Altered Particle Size - Methods and compositions are disclosed that comprise cement kiln dust having a mean particle size that has been altered. An embodiment discloses a subterranean treatment method comprising: introducing a treatment fluid into a subterranean formation, wherein the treatment fluid comprises cement kiln dust having a mean particle size that has been altered from its original size by grinding, separating, or a combination thereof. Another embodiment discloses a subterranean treatment method comprising: introducing a treatment fluid into a subterranean formation, wherein the treatment fluid comprises cement kiln dust having a mean particle size that has been reduced from its original size. | 06-14-2012 |
20120152539 | Settable Compositions Comprising Interground Perlite and Hydraulic Cement - Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a method of cementing comprising: providing a settable composition comprising perlite, hydraulic cement, and water, wherein the perlite and hydraulic cement are interground prior to combination with the water to form the settable composition; and allowing the settable composition to set. | 06-21-2012 |
20120227631 | Methods and Compositions Comprising Cement Kiln Dust Having an Altered Particle Size - Methods and compositions are disclosed that comprise cement kiln dust having a mean particle size that has been altered. An embodiment discloses a method of preparing cement kiln dust comprising: providing cement kiln dust having an original particle size; and altering the mean particle size of the cement kiln dust from the original size by grinding, separating, or a combination thereof. Another embodiment discloses a well treatment fluid comprising: cement kiln dust having a mean particle size that has been altered from its original size by grinding, separating, or a combination thereof; and water. | 09-13-2012 |
20120325119 | Settable Compositions Comprising Unexpanded Perlite and Methods of Cementing in Subterranean Formations - An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water. | 12-27-2012 |
20120325477 | Settable Compositions Comprising Unexpanded Perlite and Methods of Cementing in Subterranean Formations - An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water. | 12-27-2012 |
20130008352 | Methods and Compositions Comprising Cement Kiln Dust Having an Altered Particle Size - Methods and compositions are disclosed that comprise cement kiln dust having a mean particle size that has been altered. An embodiment discloses a method of preparing cement kiln dust comprising: providing cement kiln dust having an original particle size; and altering the mean particle size of the cement kiln dust from the original size by grinding, separating, or a combination thereof. Another embodiment discloses a well treatment fluid comprising: cement kiln dust having a mean particle size that has been altered from its original size by grinding, separating, or a combination thereof; and water. | 01-10-2013 |
20130061779 | Settable Compositions Comprising Unexpanded Perlite and Methods of Cementing in Subterranean Formations - An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water. | 03-14-2013 |
20130087331 | LOST-CIRCULATION MATERIAL MADE FROM A RECYCLED CERAMIC - A composition comprises: a treatment fluid comprising a lost-circulation material, wherein the lost-circulation material comprises a ceramic, and wherein the lost-circulation material has a median particle size in the range from about 0.001 millimeters to about 25.4 millimeters. According to another embodiment, a composition comprises: the treatment fluid comprising a lost-circulation material, wherein the lost-circulation material comprises a ceramic, and wherein the median particle size and the concentration of the lost-circulation material is selected such that the treatment fluid has a sealing pressure of at least 50 psi (0.3 MPa). A method of eliminating or reducing lost circulation from a well comprises: introducing the treatment fluid into at least a portion of the well. | 04-11-2013 |
20130109783 | Slag Compositions and Methods of Use | 05-02-2013 |
20130126166 | Calcium Phosphate Cement Compositions Comprising Pumice and/or Perlite and Associated Methods - Methods and compositions are provided that related to cementing operations. Methods and compositions that include pumice and/or perlite as a replacement for fly ash. | 05-23-2013 |
Patent application number | Description | Published |
20100269577 | PYCNOMETER - Device for the measurement of a sample volume comprises two chambers carved from a single slab, pressure sensors mounted on the slab and surrounded with radiation-proof shielding, and connected to the sample chamber via elbowed conduits. A temperature sensor is added. This apparatus is suitable for the measurement of the volume of radioactive samples using gas expansion inside an expansion chamber, without the radiation damaging the pressure sensors, nor heating effects that cannot be controlled. | 10-28-2010 |
20110185678 | BARREL DOCKING AND OPENING APPARATUS - An apparatus including a flange topped by a fitting including a trap adapted to seize and drive a lid of a barrel for opening the same and two inflatable gaskets equipping the flange and the trap that are inflated for clamping the container and the lid of the barrel at the connection thereof. Contamination inside the barrel and inside the upper enclosure will only spread over small surfaces of the apparatus between the gaskets and to the connection of both parts of the barrel. | 08-04-2011 |
20120012749 | RADIOLOGICAL CHARACTERIZATION DEVICE PROTECTED AGAINST PARASITIC IONIZING RADIATION SOURCES - A radiological characterization device comprising at least one collimated radiological measuring probe, a sensitive end of which is placed in an exchangeable collimator having an opening and a field of observation. The collimator is carried by a collimator holder, the assembly consisting of collimator and collimator holder being inserted in a stack between two shielding screens, the shielding screens being exchangeable so as to adjust the thickness thereof, the assembly consisting of collimator and collimator holder and the shielding screens providing protection for the probe vis-à-vis parasitic ionizing radiation coming from ionizing radiation sources situated outside the field of observation of the collimator. | 01-19-2012 |
20120321535 | DEVICE FOR COLLECTING LIQUID SAMPLES FOR A VAT - It comprises, in addition to a sampling system ( | 12-20-2012 |
20130025244 | SELECTIVE GAS FILTER - A filter including multiple tanks connected in series by connecting ducts. In the filter a flow of gaseous flows encounters multiple obstacles in it, an effect of which is efficiently to block constituents with heaviest molecular weight, without substantially hindering diffusion of lighter constituents. This may be obtained by internal baffles, or by a bank of finer ducts, for example at an inlet of the filter. Such a filter may find application to separation of hydrogen and radon produced by nuclear waste. | 01-31-2013 |
20130087714 | DEVICE FOR MONITORING NUCLEAR MATERIAL PLACED IN A GLOVE BOX - A mechanical device for supporting and attaching at least one ionizing radiation detection probe. For each detection probe it includes one probe-holder ending in a collimator-holder able to support a collimator intended to delimit a field of observation of the detection probe, and an attachment device intended to be attached to a glove port of a glove box, where the probe-holder, or each probe-holder, cooperates with the said attachment device. | 04-11-2013 |
Patent application number | Description | Published |
20130312641 | Compositions Comprising Kiln Dust and Wollastonite and Methods of Use in Subterranean Formations - Embodiments relate to cementing operations and, more particularly, in certain embodiments, to settable compositions that comprise kiln dust and wollastonite and methods of use in subterranean formations. An embodiment discloses a method of cementing comprising: providing a settable composition comprising kiln dust, wollastonite, and water; and allowing the settable composition to set. | 11-28-2013 |
20140060389 | Compositions Comprising Kiln Dust and Wollastonite and Methods of Use in Subterranean Formations - Embodiments relate to cementing operations and, more particularly, in certain embodiments, to settable compositions that comprise kiln dust and wollastonite and methods of use in subterranean formations. An embodiment discloses a method of cementing comprising: providing a settable composition comprising kiln dust, wollastonite, and water; and allowing the settable composition to set. | 03-06-2014 |
20140083699 | Placing a Fluid Comprising Kiln Dust in a Wellbore Through a Bottom Hole Assembly - Embodiments relate to systems and methods for introduction of fluids comprising kiln dust into a wellbore through a bottom hole assembly. An embodiment discloses a method comprising: drilling a wellbore in a subterranean formation using a bottom hole assembly; and pumping a treatment fluid into the wellbore through the bottom hole assembly, wherein the treatment fluid comprises a kiln dust and water. | 03-27-2014 |
20140326446 | Placing a Fluid Comprising Kiln Dust in a Wellbore Through a Bottom Hole Assembly - Embodiments relate to systems and methods for introduction of fluids comprising kiln dust into a wellbore through a bottom hole assembly. An embodiment discloses a method comprising: drilling a wellbore in a subterranean formation using a bottom hole assembly; and pumping a treatment fluid into the wellbore through the bottom hole assembly, wherein the treatment fluid comprises a kiln dust and water. | 11-06-2014 |
20140364535 | Methods and Cement Compositions Utilizing Treated Polyolefin Fibers - Methods and cement compositions are provided that utilize treated polyolefin fibers for lost circulation and/or mechanical property enhancement. Disclosed is a method comprising: providing a cement composition comprising: a hydraulic cement; water; and treated polyolefin fibers that are rod-shaped and have a length in a range from about 0.0625 inches to about 0.25 inches, wherein the treated polyolefin fibers have been treated with a surfactant to make the treated polyolefin fibers hydrophilic; placing the cement composition in a selected location; and allowing the cement composition to set. | 12-11-2014 |
Patent application number | Description | Published |
20090088348 | 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 hydraulic cement and cement kiln dust; a swellable particle; and water; and allowing the settable composition to set in the subterranean formation. Another embodiment comprises a settable composition comprising: a cementitious component comprising a hydraulic cement and cement kiln dust; a swellable particle; and water. | 04-02-2009 |
20090264557 | Cement Compositions Comprising Humic Acid Grafted Fluid Loss Control Additives - Exemplary embodiments of the cement compositions comprise water, a cement, and a fluid loss control additive, the fluid loss control additive comprising a graft copolymer. The graft copolymer comprises a backbone and at least four grafted monomers selected from the group consisting of 2-acrylamido-2-methylpropanesulfonic acid, acrylamide, acrylic acid, vinylphosphonic acid, diallyldimethylammonium chloride, and salts thereof. The backbone of the graft copolymer comprises a humic acid salt. Methods of cementing using exemplary embodiments of the cement compositions are also provided. | 10-22-2009 |
20090320720 | 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 hydraulic cement and cement kiln dust; a swellable particle; and water; and allowing the settable composition to set in the subterranean formation. Another embodiment comprises a settable composition comprising: a cementitious component comprising a hydraulic cement and cement kiln dust, a swellable particle, and water. | 12-31-2009 |
20140123879 | Settable Compositions Comprising Interground Perlite and Hydraulic Cement - Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a composition comprising interground perlite and hydraulic cement. Another embodiment provides a composition comprising: interground unexpanded perlite and Portland cement, the interground having a mean particle size of about 0.5 microns to about 10 microns; and water. | 05-08-2014 |
Patent application number | Description | Published |
20120193201 | SPRING-OPERATED MECHANISM HAVING DELAY CIRCUIT - A hydromechanical stored-energy spring mechanism is provided for operating at least one switching contact of a circuit breaker, for example, in a high-voltage switching system. The hydromechanical stored-energy spring mechanism includes a hydraulically operated close-open (CO) delay circuit configured to delay triggering of a switching process of the circuit breaker, and an electromechanical actuator provided in place of a hydraulic operation of the CO delay circuit. The electromechanical actuator generates a mechanical time delay or acceleration over an extended temperature range. | 08-02-2012 |
20130277190 | STORAGE MODULE FOR A HYDRAULIC STORED-ENERGY SPRING MECHANISM - A storage module for a hydraulic stored-energy spring mechanism for operating a high-voltage switch, for example a high-voltage circuit breaker, having a spring element which acts to store energy and having a fluid for transmitting the energy of the spring element, by a moving storage piston, to a piston rod for operating the high-voltage switch, wherein the storage piston projects into the housing which is filled with fluid and the housing forms a pressurized storage reservoir for the fluid. The pressurized storage reservoir is connected to a hydraulic system of the stored-energy spring mechanism by at least one channel element which projects into the pressurized storage reservoir and a pressurized channel which is connected to the channel element. The storage piston closes a subregion of the channel element starting from a specific piston stroke “s.” | 10-24-2013 |
20140137731 | DIFFERENTIAL CYLINDER FOR A HYDROMECHANICAL DRIVE FOR ELECTRICAL CIRCUIT BREAKERS - A differential cylinder for a hydromechanical drive for actuating an electrical switch, for example a high-voltage switch, is disclosed which includes a first pressure region for applying a working pressure, a second pressure region, and a piston which is capable of moving in a movement region and which is movable depending on a pressure difference between the first and second pressure region. A damping device is provided which, in the event of a movement of the piston in the direction of the second pressure region, provides damping with respect to the movement of the piston in a section of the movement region, wherein the damping is adjustable. | 05-22-2014 |
20140298983 | LOCKING APPARATUS FOR A HYDROMECHANICAL SPRING ENERGY STORE DRIVE FOR A GAS-INSULATED SWITCHGEAR ASSEMBLY - A locking apparatus for a hydromechanical spring energy store drive for actuating a medium-voltage or high-voltage circuit breaker is disclosed, the spring energy store drive includes a working piston, which is guided in an axial cutout in a pressure housing or working cylinder, and a spring energy store arrangement. The locking apparatus includes a first pressure region and a second pressure region, which are under elevated pressure when the circuit breaker is closed, and a third pressure region, which is unpressurized. The latching bolt can be arranged perpendicular to the working piston, via a latching apparatus, which can be arranged on a side of the latching bolt, which is to point towards the working piston and via the spring energy store arrangement, which is to be pushed away from the working piston. | 10-09-2014 |