Rahman
Rahman Abderrahman, Duluth, GA US
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20090219941 | SELECTIVE NODE TRACKING - A list of nodes is segmented into one or more segments, each segment having a node limit and a segment criteria, attributes associated with a first node are identified, a determination is made whether to add the first node to a particular segment of the node list based on the node limit and the attributes of the first node, nodes are ranked nodes in the particular segment, and a determination is made whether to remove a candidate node from the particular segment based on the node limit. | 09-03-2009 |
Rahman Davoodi, Glendale, CA US
Rahman Khaledi, Calgary CA
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20110198086 | Hydrate Control In A Cyclic Solvent-Dominated Hydrocarbon Recovery Process - The present invention relates generally to in situ hydrate control during hydrocarbon production when applying a recovery method utilizing cyclic injection of light hydrocarbon solvents. Hydrate formation is limited by creating an energy reserve within a hydrocarbon reservoir adjacent to the wellbore. A heated solvent is injected during an injection phase of a cyclic solvent dominated recovery process to form a heated region adjacent to the wellbore at the end of an injection cycle. The energy reserve is used to act against the evaporative cooling effect caused by subsequent production and associated depressurization to maintain reservoir conditions outside of hydrate formation conditions. In situ conditions are estimated and injected energy amounts are controlled. | 08-18-2011 |
20120325467 | Method of Controlling Solvent Injection To Aid Recovery of Hydrocarbons From An Underground Reservoir - A method of operating a cyclic solvent-dominated recovery process (CSDRP) for recovering viscous oil from a subterranean reservoir of the viscous oil. The cyclic solvent process involves using an injection well to inject a viscosity-reducing solvent into a subterranean viscous oil reservoir. Reduced viscosity oil is produced to the surface using the same well used to inject solvent. The process of alternately injecting solvent and producing a solvent/viscous oil blend through the same wellbore continues in a series of cycles until additional cycles are no longer economical. Aspects of the invention relate to the particular volume of solvent injected in each cycle, when to switch from production to injection, the injection pressure to be used, the production pressure to be used, and to middle and late life operation. | 12-27-2012 |
20150053401 | Systems and Methods for Enhancing Production of Viscous Hydrocarbons From a Subterranean Formation - Systems and methods for enhancing production of viscous hydrocarbons from a subterranean formation. The methods may include heating a hydrocarbon solvent mixture to generate a vapor stream, injecting the vapor stream into the subterranean formation to generate reduced-viscosity hydrocarbons, and producing the reduced-viscosity hydrocarbons from the subterranean formation. The methods also may include selecting a composition of the hydrocarbon solvent mixture by determining a threshold maximum pressure of the subterranean formation, determining a stream temperature at which the vapor stream is to be injected into the subterranean formation, and selecting the composition of the hydrocarbon solvent mixture based upon the stream temperature and the threshold maximum pressure. The systems may include a hydrocarbon production system that may be configured to perform the methods and/or that may include an injection well, an injectant supply assembly, and a production well. | 02-26-2015 |
20150068750 | Recovery From A Hydrocarbon Reservoir - Methods and apparatus for recovering heavy oil from subterranean reservoirs. A steam-utilizing heavy oil recovery process may be used to recover the heavy oil while employing a steam-solvent mixture. The solvent may be a tailored hydrocarbon solvent obtained from a precursor mixture of hydrocarbon compounds from which light end hydrocarbon compounds have been removed. | 03-12-2015 |
Rahman Khalilur, Shizuoka-Ken JP
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20140178776 | LITHIUM-AIR BATTERY AND LITHIUM ANODE COMPOSITE THEREOF - A lithium-air battery having a lithium anode composite and an air electrode. The lithium anode composite includes a plate-shaped or strip-shaped anode current collector; two plate-shaped anode layers made from metallic lithium, an alloy primarily composed of lithium, or a compound primarily composed of lithium and arranged to sandwich a part of the anode current collector; two plate-shaped isolating layers made from glass ceramics having lithium ion conductivity and arranged to sandwich another part of the anode current collector and the whole of the two anode layers; and a junction provided to join and close outer peripheral portions of the two isolating layers with rest of the anode current collector being exposed outward between the two isolating layers. The air electrode includes an air electrode layer having an electroconductive material and a plate-shaped or strip-shaped air electrode current collector electrically connected to the air electrode layer. | 06-26-2014 |
Rahman Md. Mustafizur, Gyeonggi-Do KR
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20110128846 | METHOD FOR CONTROLLING ACCESS OF COMMUNICATION MEDIUM ACCORDING TO MAC PROTOCOL OF IEEE 802.11 - The present invention relates to a method of controlling access to a wireless channel in a wireless communication system, and more particularly, to such a method of controlling wireless channel access, in which it is determined whether or not peripheral communication nodes are ones interrupting main communication between communication nodes being activated, and if it is determined that the peripheral communication nodes are ones which does not interrupt the main communication, they gain access to a wireless channel so as to perform parallel communication with respect to the main communication. The wireless channel access control method according to the present invention determines whether or not peripheral communication nodes actually interrupt main communication, and if it is determined that the peripheral communication nodes are ones which does not interrupt the main communication, they gain access to a wireless channel so as to perform parallel communication with respect to the main communication, thereby efficiently utilizing a limited wireless channel resource. | 06-02-2011 |
Rahman Wagiran, Selangor MY
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20100096277 | AMPEROMETRIC BIOSENSOR FOR HISTAMINE DETERMINATION - There is provided by this invention a simple and rapid amperometric biosensor for determining the level of histamine in seafood or fish. The biosensor combines the technology of screen-printing with immobilized diamine oxidase as the bioreceptor. IQ one embodiment of the present invention, the biosensor incorporates potassium hexacyanoferrate (III) as a mediator. | 04-22-2010 |
20130185219 | SYSTEM TO ADMINISTER AN OUTCOME BASED EDUCATION - The present invention relates to a system to administer an outcome based education for higher learning academic programs, the system includes: (a) at least one design process ( | 07-18-2013 |