| 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 |
| 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 |
