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1
US20100211975A1
Publication/Patent Number: US20100211975A1
Publication date: 2010-08-19
Application number: 12/771,786
Filing date: 2010-04-30
Abstract: An Internet television program guide system is provided that allows a user at a multimedia system to access information related to television programs over an Internet communications link. The user can view television program guide listings and related video stills and video clips. The user can perform database searches on the program guide listings (e.g., to search for a particular type of television program). If desired, the user can select an option that directs the multimedia system to tune directly to a television channel for a selected program or to a related television program guide or movie guide service on a television channel. The user can order pay-per-view events using the system. An Internet television program guide system is provided that allows a user at a multimedia system to access information related to television programs over an Internet communications link. The user can view television program guide listings and related video stills and video ...more ...less
2
US20040081865A1
Publication/Patent Number: US20040081865A1
Publication date: 2004-04-29
Application number: 10/684,951
Filing date: 2003-10-14
Abstract: One embodiment of the present invention is a fuel cell suitable for use downhole in an oil and gas well includes a fuel vessel that providing a source of fuel and an oxidant vessel providing a source of oxidant. A reaction zone comprises at least one cathode, at least one anode, and an electrolyte between each anode and cathode. A closed water vessel is connected to the reaction zone by at least one capillary flow path. The fuel cell also comprises a fuel conduit that connects the fuel vessel and the reaction zone. This fuel conduit comprises a fuel pressure control apparatus adapted to maintain a static pressure of fuel in the reaction zone. The fuel cell further comprises an oxidant conduit that connects the oxidant vessel and the reaction zone, and includes an oxidant pressure control apparatus adapted to maintain a static pressure of oxidant in the reaction zone. In addition, the fuel cell comprises electrical conductors connected to the anode and cathode and adapted to conduct electricity to an external device. In this fuel cell, there is no need for fuel, oxidant, or water to flow in a closed loop through the reaction zone. One embodiment of the present invention is a fuel cell suitable for use downhole in an oil and gas well includes a fuel vessel that providing a source of fuel and an oxidant vessel providing a source of oxidant. A reaction zone comprises at least one cathode, at least one anode ...more ...less
4
US20030229187A1
Publication/Patent Number: US20030229187A1
Publication date: 2003-12-11
Application number: 10/251,662
Filing date: 2002-09-20
Abstract: A polymerization loop reactor including a loop reaction zone, a continuous takeoff, and a fluid slurry disposed in the reaction zone. A generally cylindrical wall defines the loop reaction zone. The length of the loop reaction zone and the nominal outside diameter of the generally cylindrical wall define a length/diameter ratio greater than 250. The reactor can be charged with a fluid slurry including an olefin monomer reactant, solid olefin polymer particles, and a liquid diluent. The concentration of the solid olefin polymer particles in the slurry can be greater than 40 weight percent based on the weight of polymer particles and the weight of liquid diluent. Also disclosed is a polymerization process carried out by polymerizing, in the loop reaction zone of a reactor as defined above, at least one olefin monomer in a liquid diluent to produce a fluid slurry as defined above. A polymerization loop reactor including a loop reaction zone, a continuous takeoff, and a fluid slurry disposed in the reaction zone. A generally cylindrical wall defines the loop reaction zone. The length of the loop reaction zone and the nominal outside diameter of the ...more ...less
5
US20020012837A1
Publication/Patent Number: US20020012837A1
Publication date: 2002-01-31
Application number: 09/803,444
Filing date: 2001-03-09
Abstract: An annular pack for a cylindrical member for use in a wellbore includes a housing adapted to be mounted about an exterior circumference of the cylindrical member. The housing has mutually engagable annular segments. At least one of the annular segments defines a chamber for housing an electrical device. An annular pack for a cylindrical member for use in a wellbore includes a housing adapted to be mounted about an exterior circumference of the cylindrical member. The housing has mutually engagable annular segments. At least one of the annular segments defines a chamber for ...more ...less
6
US20020034668A1
Publication/Patent Number: US20020034668A1
Publication date: 2002-03-21
Application number: 09/854,947
Filing date: 2001-05-14
Abstract: One embodiment of the present invention is a fuel cell suitable for use downhole in an oil and gas well includes a fuel vessel that providing a source of fuel and an oxidant vessel providing a source of oxidant. A reaction zone comprises at least one cathode, at least one anode, and an electrolyte between each anode and cathode. A closed water vessel is connected to the reaction zone by at least one capillary flow path. The fuel cell also comprises a fuel conduit that connects the fuel vessel and the reaction zone. This fuel conduit comprises a fuel pressure control apparatus adapted to maintain a static pressure of fuel in the reaction zone. The fuel cell further comprises an oxidant conduit that connects the oxidant vessel and the reaction zone, and includes an oxidant pressure control apparatus adapted to maintain a static pressure of oxidant in the reaction zone. In addition, the fuel cell comprises electrical conductors connected to the anode and cathode and adapted to conduct electricity to an external device. In this fuel cell, there is no need for fuel, oxidant, or water to flow in a closed loop through the reaction zone. One embodiment of the present invention is a fuel cell suitable for use downhole in an oil and gas well includes a fuel vessel that providing a source of fuel and an oxidant vessel providing a source of oxidant. A reaction zone comprises at least one cathode, at least one anode ...more ...less
7
US20010049049A1
Publication/Patent Number: US20010049049A1
Publication date: 2001-12-06
Application number: 09/803,071
Filing date: 2001-03-09
Abstract: An annular pack for a cylindrical member for use in a wellbore includes a housing adapted to be mounted about an exterior circumference of the cylindrical member. The housing has mutually engagable annular segments. At least one of the annular segments defines a chamber for housing an electrical device. An annular pack for a cylindrical member for use in a wellbore includes a housing adapted to be mounted about an exterior circumference of the cylindrical member. The housing has mutually engagable annular segments. At least one of the annular segments defines a chamber for ...more ...less