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| Number | Title | Issue Date |
| 7997541 | Systems and methods for supporting a pipe Systems and methods for supporting a pipe are provided. An insulated pipe system can include a pipe, a first isolator disposed about at least a portion of the pipe, wherein the first isolator comprises aerogel, and a second isolator disposed about at least a portion... | 08/16/2011 |
| 7879119 | Heat integration and condensate treatment in a shift feed gas saturator Systems and processes for adjusting hydrogen content of a synthesis gas are provided. At least a portion of carbon monoxide in a syngas can be converted to carbon dioxide to provide a shifted syngas and condensed water. The syngas can have a first hydrogen to carbon... | 02/01/2011 |
| 7770651 | Method and apparatus for sub-sea processing A submersible process environment for sub-sea processing is provided. Such environment can include a modular encapsulated unit having an interior volume and one or more processing units disposed therein, a first valve in fluid communication with the interior and ext... | 08/10/2010 |
| 7749378 | Bitumen production-upgrade with common or different solvents Disclosed is a process for the upgrading of heavy oils and bitumens, where the total feed to the process can include heavy oil or bitumen, water, and diluent. The process can include the steps of solvent deasphalting 110 the total feed 105 to recover a... | 07/06/2010 |
| 7748464 | Subsea well communications apparatus and method using variable tension large offset risers The current subject matter relates to compliant variable tension risers to connect deep-water subsea wellheads to a single floating platform in wet tree or dry try systems. The variable tension risers allow several subsea wellheads, in water depths from 1220 to 3050... | 07/06/2010 |
| 7722690 | Methods for producing synthesis gas A process for producing electrical power, chemicals, carbon dioxide, and hydrogen is provided. One or more feedstocks and one or more oxidants can be combined in a fluidized reaction zone heated to a temperature from about 1050° F. to about 1900° F. to provide a s... | 05/25/2010 |
| 7713491 | Dual riser venting method and system Two or more cyclone systems can be contained in a single vessel. Each cyclone system can be in fluid communication with an inlet stream and a fluid discharge line. First cyclone system can include a vent open to the cyclone containing vessel. Second cyclone system c... | 05/11/2010 |
| 7642377 | Systems and methods for integrated ammonia-urea process Systems and methods for producing urea are provided. A method for producing urea can include exchanging heat from a syngas comprising hydrogen and carbon dioxide to a urea solution comprising urea and ammonium carbamate. The heat transferred can be sufficient to dec... | 01/05/2010 |
| 7550215 | Autothermal reformer-reforming exchanger arrangement for hydrogen production Low-energy, low-capital hydrogen production is disclosed. A reforming exchanger 14 is placed in parallel with an autothermal reformer (ATR) 10 to which are supplied a preheated steam-hydrocarbon mixture. An air-steam mixture is supplied to the burner/m... | 06/23/2009 |
| 7513919 | Pseudoisothermal ammonia process Ammonia is produced in a reactor in which pseudoisothermal conditions can be approached by convective cooling of a reaction zone of the reactor by positioning at least a portion of the reaction zone in indirect contact with a flow of hot gas such as exhaust gas or p... | 04/07/2009 |
| 7491315 | Dual riser FCC reactor process with light and mixed light/heavy feeds A dual riser FCC process is disclosed wherein first and second hydrocarbon feeds (5, 6) are supplied to the respective first and second risers (2, 4) to make an effluent rich in ethylene, propylene and/or aromatics. Where the hydrocarbon feeds are diff... | 02/17/2009 |
| 7484773 | Self purging expansion joint Self purging expansion joint can include first annular seal sleeve connecting bellows to first conduit and second annular seal sleeve connecting bellows to second conduit. Flow-restricting orifice(s) can allow a higher pressure external fluid to flow through the ann... | 02/03/2009 |
| 7467766 | Acoustic dampening pipe shoe Pipe shoe can include pipe retained by clamp attached to top plate. Acoustic isolation block is disposed for compression between top plate and bottom plate. Top plate is retained to bottom plate by stud(s) and nut(s). Flexible peripheral seal is disposed around acou... | 12/23/2008 |
| 7435401 | Pseudoisothermal ammonia process Ammonia is produced in a reactor 22, 24, 246, 248, 250 or 252, in which pseudoisothermal conditions can be approached by convective cooling of a reaction zone of the reactor by positioning at least a portion of the reaction zone in indirect contact wit... | 10/14/2008 |
| 7435331 | Catalyst regenerator with a centerwell A method of converting an original FCC unit of side by side configuration to a converted FCC unit for processing light feedstock by replacing an regenerator in the original FCC unit with an embodied regenerator. From the original FCC unit, the air supply assembly is... | 10/14/2008 |
| 7429686 | Low pressure olefin recovery process A low-pressure olefins recovery process and plant are described. The feed gas is compressed and distilled at a primary distillation pressure. The overhead stream is chilled at a pressure less than 30 kg/cm2 (430 psia) to partially condense the overheads. The primary... | 09/30/2008 |
| 7347051 | Processing of residual oil by residual oil supercritical extraction integrated with gasification combined cycle Residual oil supercritical extraction (ROSE) 10 and integrated gasification combined-cycle (IGCC) power systems 70, 114 are cooperatively integrated. High-level heat from the IGCC is used via a heat transfer fluid 84 for high level process heati... | 03/25/2008 |
| 7220505 | Autothermal reformer-reforming exchanger arrangement for hydrogen production Low-energy, low-capital hydrogen production is disclosed. A reforming exchanger 14 is placed in parallel with an autothermal reformer (ATR) 10 to which are supplied a preheated steam-hydrocarbon mixture. An air-steam mixture is supplied to the burner/m... | 05/22/2007 |
