3.1. An Offshore Oil-Gas Gathering and Delivery System

The oil and gas from the wellhead is delivered to the test manifold and production manifold. The test manifold delivers the oil and gas to the separator on the wellhead platform for separation and measurement of the individual well’s oil, gas, and water. The production manifold collects the oil and gas from each well and transports it to the production processing system, in which the liquid first goes through the process of multistage separation, including demulsification, dehydration, and desalting, etc., and then, if up to quality standards, is stored and transported by appropriate methods to meet the needs of users. This system of offshore oilfield process is called the offshore oil and ...

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