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Title: Wet Gas Gathering System
Author: Bruno Giovanini
Source: 1980 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1980
Abstract: During the 1960s the San Juan Basin and 4-Corners Area experienced an accelerated drilling program to the Dakota foriiiation. These are wells with a high shut-in pressure and produce gas with a high hydrocarbon content. Well head flowing temperature is between 90 and 100 F. At this temperature and at flowing pressures of 450 pounds, large amounts of hydrocarbons are not removed by wellhead separators. The hydrocarbons remain entrained in the gas stream in gaseous form or vapor state. After leaving the well location, a cooling process takes place in the pipeline and as the temperature drops, liquid hydrocarbon condensates form. These condensates, commonly called drip gasoline, collect all along the pipeline and liquid blocks form at nearly all low spots in the gathering system. Due to the rough terrain in the San Juan Basin area a great number of liquid-loaded sections of the pipeline occur. Consequently field operating pressure rises, gas production falls, surging flows occur and gas transmission efficiency in the pipeline falls drastically,

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