Scalable capacity liquefied natural gas plant
First Claim
1. A method of producing liquefied natural gas using a LNG liquefaction plant, wherein the LNG liquefaction plant includes a plurality of process unit module types, said plurality of process unit module types including at least a first process unit module type comprised of one or more first process unit modules and a second process unit module type comprised of two or more integrated second process unit modules, wherein further at least one of said first process unit modules and at least one of said second process unit modules are sized at their respective substantially maximum processing efficiency, said LNG liquefaction plant including two or more integrated process unit module types, said method comprising producing liquefied natural gas from said LNG liquefaction plant.
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Abstract
The current invention is related to hydrocarbon fluid processing plants, methods of designing hydrocarbon fluid processing plants, methods of operating hydrocarbon fluid processing plants, and methods of producing hydrocarbon fluids using hydrocarbon fluid processing plants. More particularly, some embodiments of the invention are related to natural gas liquefaction plants, methods of designing natural gas liquefaction plants, methods of operating natural gas liquefaction plants and methods of producing LNG using natural gas liquefaction plants. One embodiment of the invention includes a hydrocarbon fluid processing plant including a plurality of process unit module types, the plurality of process unit module types including at least a first process unit module type including one or more first process unit modules and a second process unit module type including two or more integrated second process unit modules wherein at least one of the first process unit modules and at least one of the second process unit modules are sized at their respective substantially maximum processing efficiency.
89 Citations
406 Claims
- 1. A method of producing liquefied natural gas using a LNG liquefaction plant, wherein the LNG liquefaction plant includes a plurality of process unit module types, said plurality of process unit module types including at least a first process unit module type comprised of one or more first process unit modules and a second process unit module type comprised of two or more integrated second process unit modules, wherein further at least one of said first process unit modules and at least one of said second process unit modules are sized at their respective substantially maximum processing efficiency, said LNG liquefaction plant including two or more integrated process unit module types, said method comprising producing liquefied natural gas from said LNG liquefaction plant.
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38. A method of designing a LNG liquefaction plant, comprising:
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A) providing the identity of a plurality of process unit module types included in said LNG liquefaction plant, said plurality of process unit module types including at least a first process unit module type and a second process unit module type;
B) determining a first maximum processing efficiency for a first process unit module of said first process unit module type and a second maximum processing efficiency for a second process unit module of said second process unit module type; and
C) designing said LNG liquefaction plant, said LNG liquefaction plant design including one or more first process unit modules sized to substantially meet said first maximum processing efficiency and one or more second process unit modules sized to substantially meet said second maximum processing efficiency. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 386, 395)
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76. A method of designing an expanded processing capacity of a LNG liquefaction plant having an existing plant maximum feed processing capacity, comprising:
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A) providing the existing configuration of said LNG liquefaction plant, said LNG liquefaction plant including a plurality of process unit module types;
B) determining a first process unit module type requiring additional maximum feed processing capacity to increase said existing plant maximum feed processing capacity;
C) determining the maximum processing efficiency of a first process unit module of said first process unit module type; and
D) designing an expanded LNG liquefaction plant, said design including the addition of one or more first process unit modules sized to substantially meet said maximum processing efficiency. - View Dependent Claims (77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 387, 396)
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114. A method of operating a LNG liquefaction plant having a plurality of process unit module types, said plurality of process unit module types including at least a first process unit module type comprised of one or more first process unit modules and a second process unit module type comprised of two or more integrated second process unit modules wherein at least one of said first process unit modules and at least one of said second process unit modules are sized at their respective substantially maximum processing efficiency, said method comprising:
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A) determining a first plant feed processing rate;
B) determining the number of process unit modules of each process unit module type required to meet said first plant feed processing rate;
C) commissioning at least the number of each process unit module of each process unit module type required to meet said first plant feed processing rate determined in step (B); and
D) producing LNG. - View Dependent Claims (115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 228, 229, 230, 388, 397)
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153. A method of producing LNG using a LNG liquefaction plant, said LNG liquefaction plant comprised of a plurality of process unit module types, each of said plurality of process unit module types comprised of one or more process unit modules, said method comprising:
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A) providing at least one original process unit module for each process unit module type included in said plurality of process unit module types, one or more of said original process unit modules sized at their respective substantially maximum processing efficiency, thereby providing a first phase LNG liquefaction plant;
B) providing one or more additional process unit module(s) for one or more process unit module type(s) included in said first phase LNG liquefaction plant, said additional process unit module being integrated with said original process unit module within said process unit module type, thereby providing a second phase LNG liquefaction plant; and
C) producing LNG from said second phase LNG liquefaction plant. - View Dependent Claims (154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 389, 398)
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191. A method of producing liquefied natural gas, comprising:
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A) providing an LNG liquefaction plant comprising a plurality of product sized process unit module types, said LNG liquefaction plant having a first plant maximum feed processing capacity;
B) expanding the maximum feed processing capacity of at least one but less than all of said product sized process unit module types to achieve a second plant maximum feed processing capacity that is 10 percent or greater than said first plant maximum feed processing capacity, wherein the expanding includes adding at least one additional process unit module; and
C) producing LNG in said LNG liquefaction plant after initiation of said expanding step (B). - View Dependent Claims (192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 390, 399)
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231. A method of producing liquefied natural gas using an LNG liquefaction plant, said LNG liquefaction plant comprised of a plurality of process unit module types, each of said plurality of process unit module types comprised of one or more process unit modules, said method comprising:
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A) providing at least one original process unit module for each process unit module type included in said plurality of process unit module types, thereby providing a first phase LNG liquefaction plant;
B) producing first LNG from said first phase LNG liquefaction plant;
C) constructing one or more additional process unit modules for one or more process unit module types included in said first phase LNG liquefaction plant while completing at least a portion of said producing step (B);
D) placing said one or more additional process unit modules in service, said additional process unit modules being integrated with said original process unit module within said process unit module type, thereby providing a second phase LNG liquefaction plant; and
E) producing second LNG from said second phase LNG liquefaction plant. - View Dependent Claims (232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 391, 400)
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- 262. An LNG liquefaction plant, comprised of one or more high construction cost product sized process unit module types and one or more low construction cost product sized process unit module types, at least one of said low construction cost product sized process unit module types having a maximum feed processing capacity that is at least 110 percent of the maximum feed processing capacity of at least one of said high construction cost product sized process unit module types.
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304. A method of producing liquefied natural gas, comprising:
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A) providing an LNG liquefaction plant comprising a plurality of process unit module types, said LNG liquefaction plant having at least a first refrigerant circuit, said first refrigerant circuit comprising at least one first refrigerant compressor service type, said first refrigerant compressor service type comprised of one or more original first refrigerant compressors in parallel, said LNG liquefaction plant having a plant maximum feed processing capacity;
B) expanding the plant maximum feed processing capacity of said LNG liquefaction plant by adding at least one additional first refrigerant compressor to said first refrigerant compressor service type, said additional first refrigerant compressor being integrated with said one or more original first refrigerant compressors within said first refrigerant compressor service type; and
C) producing LNG in said LNG liquefaction plant after initiation of said expanding step (B). - View Dependent Claims (305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 347, 348, 349, 350, 351, 352, 392, 401)
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346. The method of claim 346, wherein said plant minimum feed processing capacity is 55 percent or less of said plant maximum feed processing capacity.
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353. A method of producing liquefied natural gas using an LNG liquefaction plant, said LNG liquefaction plant comprised of a plurality of process unit module types, each of said plurality of process unit module types comprised of one or more process unit modules, said method comprising:
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A) providing at least one original process unit module for each process unit module type included in said plurality of process unit module types, thereby providing a first phase LNG liquefaction plant;
B) providing at least one second process unit module for each process unit module type included in said plurality of process unit module types, thereby providing a second phase LNG liquefaction plant;
C) integrating one or more of said original process unit modules with one or more of said second process unit modules for two or more respective process unit module types; and
D) producing LNG from said LNG liquefaction plant after initiation of said integrating step (C). - View Dependent Claims (354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 393, 402)
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380-383. -383. (canceled)
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384. A LNG liquefaction plant comprising:
- a plurality of process unit module types, said plurality of process unit module types including at least a first process unit module type comprised of one or more first process unit modules and a second process unit module type comprised of two or more integrated second process unit modules, wherein at least one of said first process unit modules and at least one of said second process unit modules are sized at their respective substantially maximum processing efficiency; and
two or more integrated process unit module types. - View Dependent Claims (404, 406)
- a plurality of process unit module types, said plurality of process unit module types including at least a first process unit module type comprised of one or more first process unit modules and a second process unit module type comprised of two or more integrated second process unit modules, wherein at least one of said first process unit modules and at least one of said second process unit modules are sized at their respective substantially maximum processing efficiency; and
Specification