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In order to ensure the efficient development and safe operation of deep water gas field and fully release the production capacity of each well area, the integrated steady-state model of “wellbore-wellhead-manifold-platform” was established. Based on the production plan, the research was carried out from the aspects of production verification, hydrate prevention and control, slug analysis and liquid carrying analysis. The results show that there are hydrate production risks in the whole life cycle in the east and west production routes. The maximum hydrate sub-cooling degree in the production route is less than -5 ℃ by optimizing the MEG injection amount in each well. The platform temperature of eastern and western logistics is -2.4~9 ℃, and the platform pressure is 1.3~11 MPa.The research results can provide technical guidance for the effective development of similar deep water gas fields in the future.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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