Patent application number | Description | Published |
20080255329 | High Activity, Low Molecular Weight Olefin Polymerization Process - Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene/ethylene copolymer products having high isotacticity and low molecular weight, are disclosed. | 10-16-2008 |
20090069567 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed. | 03-12-2009 |
20090111956 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands containing internal orthometallation and their use as components of olefin polymerization catalysts, especially for gas-phase olefin polymerizations, are disclosed. | 04-30-2009 |
20090186996 | HAFNIUM COMPLEXES OF CARBAZOLYL SUBSTITUTED IMIDAZOLE LIGANDS - Hafnium complexes of carbazolyl substituted imidazol ligands and their use as components of olefin polymerization catalyst compositions are disclosed. | 07-23-2009 |
20090306318 | ORTHO-METALLATED HAFNIUM COMPLEXES OF IMIDAZOLE LIGANDS - Hafnium complexes of heterocyclic organic imidazol-2-yl ligands containing internal orthometallation and their use as components of olefin polymerization catalyst compositions, especially supported catalyst compositions, are disclosed. | 12-10-2009 |
20100190943 | MULTI-BLOCK COPOLYMER PROCESS USING POLAR SOLVENTS - A process for forming a high molecular weight, multi-block copolymer comprising two or more chemically distinguishable segments or blocks, the process comprising polymerizing one or more olefin monomers in the presence of a chain shuttling agent and a catalyst composition comprising two or more olefin polymerization catalysts capable of preparing polymers having differing chemical or physical properties under equivalent polymerization conditions, or a catalyst composition comprising at least one olefin polymerization catalyst containing multiple active catalyst sites capable of preparing polymers having differing chemical or physical properties | 07-29-2010 |
20100222516 | TACTIC POLYMER POLYMERIZATION PROCESS USING CHIRAL CATALYSTS - A process for forming tactic polymers employing at least one olefin polymerization catalyst comprising a non-racemic mixture of the R- and S-enantiomers of a metal complex containing at least one asymmetrically substituted (chiral) carbon atom, and a chain shuttling agent, a polar aprotic organic compound, or both a chain shuttling agent and a polar aprotic organic compound. | 09-02-2010 |
20120101241 | ETHYLENE/a-OLEFIN/DIENE SOLUTION POLYMERIZATION PROCESS AND POLYMER - A catalyst composition comprising a zirconium complex of a polyvalent aryloxyether and the use thereof in a continuous solution polymerization of ethylene, one or more C | 04-26-2012 |
20120116035 | HIGH ACTIVITY, LOW MOLECULAR WEIGHT OLEFIN POLYMERIZATION PROCESS - Group 4 metal complexes comprising a polyvalent, heteroaryl donor ligand and their use as components of olefin polymerization catalysts, especially suited for preparing propylene/ethylene copolymer products having high isotacticity and low molecular weight, are disclosed. | 05-10-2012 |
20130085284 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed. | 04-04-2013 |
20130102789 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed. | 04-25-2013 |
20130102795 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed. | 04-25-2013 |
Patent application number | Description | Published |
20130156486 | ANTISEPTIC APPLICATOR - An applicator assembly includes a head portion having a proximal, a distal end, and an interior portion defining a fluid chamber, a container slidably coupled to the body, a breakable membrane sealing an end of the container, and a hollow puncture mechanism, wherein the hollow puncture mechanism is mounted in the interior portion of the head portion and an interior of the container is placed in fluid communication with the application member by way of a fluid conduit that is formed through the hollow puncture mechanism from the container to the fluid chamber when the container is axially translated toward the head portion and the puncture mechanism pierces the breakable membrane. | 06-20-2013 |
20130287471 | ANTISEPTIC APPLICATOR - An applicator assembly includes a container having a proximal end, a distal end, and an interior portion defining a chamber, an application member attached to the distal end of the container, and a tearable solution reservoir disposed within the chamber, the tearable solution reservoir comprising a tearing member, wherein actuating the tearing member to tear the tearable solution reservoir brings the container, the tearable solution reservoir, and the application member into fluid communication with each other. | 10-31-2013 |
Patent application number | Description | Published |
20090078462 | Directional Drilling Control - Methods and apparatus for using a quill to steer a hydraulic motor when elongating a wellbore in a direction having a horizontal component, wherein the quill and the hydraulic motor are coupled to opposing ends of a drill string, by monitoring an actual toolface orientation of a tool driven by the hydraulic motor via monitoring a drilling operation parameter indicative of a difference between the actual toolface orientation and a desired toolface orientation, and then adjusting a position of the quill by an amount that is dependent upon the monitored drilling operation parameter. | 03-26-2009 |
20110024187 | DIRECTIONAL DRILLING CONTROL APPARATUS AND METHODS - Methods and apparatus for using a quill to steer a hydraulic motor when elongating a wellbore in a direction having a horizontal component, wherein the quill and the hydraulic motor are coupled to opposing ends of a drill string, by monitoring an actual toolface orientation of a tool driven by the hydraulic motor via monitoring a drilling operation parameter indicative of a difference between the actual toolface orientation and a desired toolface orientation, and then adjusting a position of the quill by an amount that is dependent upon the monitored drilling operation parameter. | 02-03-2011 |
20130126241 | DIRECTIONAL DRILLING CONTROL APPARATUS AND METHODS - Apparatus and methods to steer a hydraulic motor when elongating a wellbore having a non-vertical component that includes a quill adapted to transfer torque, rotation, or position between a drive assembly and a drillstring, a bottom hole assembly (BHA) including a toolface orientation detector and at least one measurement while drilling (MWD) instrument or wireline-conveyed instrument, and a controller configured to transmit operational control signals to minimize friction between a drillstring and a wellbore, wherein the instrument is configured to detect pressure between an external surface of the BHA and an inner diameter of the wellbore. | 05-23-2013 |
Patent application number | Description | Published |
20080281525 | WELL PROG EXECUTION FACILITATION SYSTEM AND METHOD - A prog analysis and execution system and method. The system includes a computer control system, an interface engine in communication with the computer control system, the interface engine being configured to receive prog information, and an action item development engine in communication with the control system, the action item development engine being configured to analyze received prog information and to determine corresponding action items. The system further includes a sensor engine in communication with the computer control system, the sensor engine being configured to receive input from at least one sensor for use in controlling a well drilling operation, and an operational equipment engine in communication with the computer control system, the operational equipment engine being configured to receive input from the computer control system and to control the well drilling operation in accordance with the determined action items in the prog. | 11-13-2008 |
20090159336 | Integrated Quill Position and Toolface Orientation Display - Method and apparatus for visibly demonstrating a relationship between toolface orientation and quill position by: (1) receiving electronic data on an on-going basis, wherein the electronic data includes quill position data and at least one of gravity-based toolface orientation data and magnetic-based toolface orientation data; and (2) displaying the electronic data on a user-viewable display in a historical format depicting data resulting from a most recent measurement and a plurality of immediately prior measurements. | 06-25-2009 |
20100217530 | DRILLING SCORECARD - Method, system, and apparatus for evaluating drilling accuracy performance in drilling a wellbore that can include: (1) monitoring an actual toolface orientation of a tool, e.g., a downhole steerable motor, by monitoring a drilling operation parameter indicative of a difference between the actual toolface orientation and a toolface advisory; (2) recording the difference between the actual toolface orientation and the toolface advisory; and (3) scoring the difference between the actual toolface orientation and the toolface advisory. | 08-26-2010 |
20110024191 | APPARATUS AND METHODS FOR GUIDING TOOLFACE ORIENTATION - Apparatus and methods for guiding a drilling operation are disclosed. The apparatus includes a drilling apparatus, a receiving apparatus, and a display apparatus. The drill apparatus includes a bit with a steerable motor having a toolface and a rotary drive adapted to steer the bit during the drilling operation. The receiving apparatus is adapted to receive electronic data on a recurring basis, wherein the electronic data comprises quill position data, at least one of actual gravity-based toolface orientation data and actual magnetic-based toolface orientation data, and recommended toolface orientation data. The display apparatus is adapted to display the electronic data on a user-viewable display in a historical format depicting data resulting from a recent measurement and a plurality of immediately prior measurements. | 02-03-2011 |
20110144809 | WELL PROG EXECUTION FACILITATION SYSTEM AND METHOD - A prog analysis and execution system and method. The system includes a computer control system, an interface engine in communication with the computer control system, the interface engine being configured to receive prog information, and an action item development engine in communication with the control system, the action item development engine being configured to analyze received prog information and to determine corresponding action items. The system further includes a sensor engine in communication with the computer control system, the sensor engine being configured to receive input from at least one sensor for use in controlling a well drilling operation, and an operational equipment engine in communication with the computer control system, the operational equipment engine being configured to receive input from the computer control system and to control the well drilling operation in accordance with the determined action items in the prog. | 06-16-2011 |
20130206477 | Well Prog Execution Facilitation System and Method - A prog analysis and execution system and method. The system includes a computer control system, an interface engine in communication with the computer control system, the interface engine being configured to receive prog information, and an action item development engine in communication with the control system, the action item development engine being configured to analyze received prog information and to determine corresponding action items. The system further includes a sensor engine in communication with the computer control system, the sensor engine being configured to receive input from at least one sensor for use in controlling a well drilling operation, and an operational equipment engine in communication with the computer control system, the operational equipment engine being configured to receive input from the computer control system and to control the well drilling operation in accordance with the determined action items in the prog. | 08-15-2013 |
20130234515 | RIG FUEL MANAGEMENT SYSTEMS AND METHODS - Systems and methods for managing fuel and electrical power supplied to a drilling rig during all phases of a drilling operation. The system includes a power source in electrical communication with the drilling rig, and an engine management module operatively associated with the power source and configured to monitor power consumption of the drilling rig and recommend methods to manage energy provided thereto. | 09-12-2013 |
20130299190 | DRILLING RIG CARRIAGE MOVABLE ALONG RACKS AND INCLUDING PINIONS DRIVEN BY ELECTRIC MOTORS - According to one aspect, a drilling rig carriage is adapted to move along a drilling mast, and includes a body structure, electric motors coupled to the body structure, and pinions operably coupled to the electric motors, respectively. The pinions are adapted to engage racks, respectively. According to another aspect, a drilling mast includes a longitudinally-extending frame having a first side portion and a second side portion spaced therefrom. Racks are coupled to the frame at the first side portion thereof. According to yet another aspect, an apparatus includes a drilling mast or tower extending longitudinally along an axis, the tower including racks spaced in a parallel relation. A top drive is movable along the axis and relative to the tower. Electric motors are coupled to the top drive and movable therewith. Pinions are operably coupled to the electric motors, respectively, and engage the racks, respectively, to move the top drive. | 11-14-2013 |
20130327543 | Drilling Rig Carriage Movable Along Racks and Including Pinions Driven by Electric Motors - According to one aspect, a drilling rig carriage is adapted to move along a drilling mast, and includes a body structure, electric motors coupled to the body structure, and pinions operably coupled to the electric motors, respectively. The pinions are adapted to engage racks, respectively. According to another aspect, a drilling mast includes a longitudinally-extending frame having a first side portion and a second side portion spaced therefrom. Racks are coupled to the frame at the first side portion thereof. According to yet another aspect, an apparatus includes a drilling mast or tower extending longitudinally along an axis, the tower including racks spaced in a parallel relation. A top drive is movable along the axis and relative to the tower. Electric motors are coupled to the top drive and movable therewith. Pinions are operably coupled to the electric motors, respectively, and engage the racks, respectively, to move the top drive. | 12-12-2013 |
20140158428 | Drill String Oscillation Methods - A method includes oscillating, with a first acceleration profile, at least a portion of a drill string using a top drive at least indirectly coupled to the drill string and includes oscillating, with a second acceleration profile different from the first acceleration profile, at least a portion of the drill string using the top drive. The method also includes oscillating, with a third acceleration profile, at least a portion of the drill string using the top drive, wherein the third acceleration profile is optimized based on feedback associated with the oscillation with the first acceleration profile and feedback associated with the oscillation with the second acceleration profile. | 06-12-2014 |