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| Gas Cap |
In field containing both gas and oil, some gas will often collect at top of reservoir in a single deposit. |
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| Gas field |
Field containing natural gas, but no oil. |
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| Gas gathering system |
Central collection point for offshore gas fields. Production is then piped to central processing system onshore. |
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| Gas Injection (GI) |
Associated gas is pumped back into a reservoir to maintain reservoir pressure. In this way rate of production of crude oil also can be increased. |
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| Gas lift |
Gas from same or nearby field is mixed with oil in tubing to lessen weight of liquid column. |
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| Gas Processing |
Separation of oil and gas, and removal of impurities and NGLs from natural gas. |
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| Gas Treatment |
Removal of impurities, condensate, hydrogen sulphide and NGLs from natural gas. |
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| Gas/Condensate field |
Reservoir containing both natural gas and oil, with greater proportion of gas. Condensate appears when gas in drawn from well, and its temperature and pressure change sufficiently for some of it to became liquid petroleum. |
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| Gravity Structures |
Either concrete or hybrid (concrete base and steel legs and superstructure) structures that due to weight rest on seabed or piled into it. |
About Seisma
