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AbstractA method and apparatus for safely, conveniently, and inexpensively liberating gas from gas hydrates includes the use of a device, provided adjacent to or in the bulk gas hydrates, for exposing the gas hydrates to heat from a gas or liquid (preferably steam). The gas hydrates can be directly exposed to the gas or liquid or indirectly exposed through a thermally conductive coil or channel. The heat from the gas or liquid dissociates the gas hydrates into the corresponding gas component and water component. After liberation, the gas component can be collected for further storage, transport, or use. The apparatus further includes a mechanism for moving at least a portion of the gas or liquid through the device for exposing the gas hydrates to heat. The device for exposing the gas hydrates to heat also can be movable, so it can be maintained in close proximity to or in contact with the gas hydrates for continued efficient gasification of the hydrates.Other References
| InventorsAssigneeApplicationNo. 950247 filed on 10/14/1997US Classes:585/15, HYDRATE OR PRODUCTION THEREOF62/45.1, STORAGE OF SOLIDIFIED OR LIQUIFIED GAS (E.G., CRYOGEN)62/54.2, Controlled conversion of solidified gas to another phase62/54.3, Storing solidified gas585/800, PURIFICATION, SEPARATION, OR RECOVERY585/801By conversion of solid to gas, e.g., sublimation, etc., or by melting or squeezing out liquid from solid natural sourceField of Search585/15, HYDRATE OR PRODUCTION THEREOF585/800, PURIFICATION, SEPARATION, OR RECOVERY585/801, By conversion of solid to gas, e.g., sublimation, etc., or by melting or squeezing out liquid from solid natural source62/54.3, Storing solidified gas62/45.1, STORAGE OF SOLIDIFIED OR LIQUIFIED GAS (E.G., CRYOGEN)62/54.2Controlled conversion of solidified gas to another phaseExaminersPrimary: Griffin, Walter D.Assistant: Preisch, Nadine Attorney, Agent or FirmUS Patent References2270016, 2356407, 2375559, 2683972, 2904511, 3170870, 3514274, 3856492, 3888434, 3954921, Gas-liquid contacting method and scrubber used thereforIssued on: 05/04/1976 Inventor: Yoshida , et al.3975167, Transportation of natural gas as a hydrate Issued on: 08/17/1976 Inventor: Nierman4696338, Latent heat storage and transfer system and method Issued on: 09/29/1987 Inventor: Jensen , et al.4915176, Method of transporting a hydrate forming fluid Issued on: 04/10/1990 Inventor: Sugier, et al.4920752, Apparatus and process for storing hydrate-forming gaseous hydrocarbons Issued on: 05/01/1990 Inventor: Ehrsam4930319, Sublimation method Issued on: 06/05/1990 Inventor: Bee, et al.5473904, Method and apparatus for generating, transporting and dissociating gas hydrates Issued on: 12/12/1995 Inventor: Guo, et al.5536893, Method for production of gas hydrates for transportation and storage Issued on: 07/16/1996 Inventor: Gudmundsson5562891, Method for the production of carbon dioxide hydrates Issued on: 10/08/1996 Inventor: Spencer, et al.5713416, Methods of decomposing gas hydrates Issued on: 02/03/1998 Inventor: Chatterji, et al.5806316Apparatus and method for producing working fluid for a power plant Issued on: 09/15/1998 Inventor: Avakov, et al. Foreign Patent References
International ClassesC07C 007/20F17C 062/542 |