某井气举排水采气工艺设计(4)

毕业论文 留给下一代

ABSTRACT

Gas lift gas lift valve from the ground, the high-pressure gas injection wells stop the pump, use of gas energy to lift the liquid in the wellbore, the well to restore production capacity. Continuous gas lift and intermittent gas lift gas lift can be divided into two ways. Factors affect gas lift options: the yield of the well bottom-hole pressure, fluid production index, lifting height and the gas injection pressure. Bottomhole pressure and high capacity wells, usually continuous gas lift production; intermittent gas lift or piston gas lift capacity and low bottomhole pressure wells.

Gas lift drainage gas recovery by gas lift valve, from the ground to high-pressure gas injection stop injection wells, the gas energy gradually lift shaft in the liquid, the well production capacity. Gas lift can be divided into continuous gas lift and intermittent gas lift in two ways. The present continuous gas lift method commonly used in field. 2010 in Jiannan structure built 34 wells to carry out continuous gas lift drainage gas recovery technology test achieved remarkable results. Through the analysis of the field test, summed up the successful experience of continuous gas lift drainage gas recovery technology made in Jiannan Gas Field gas reservoir water influx in governance.

Keywords: The construction of 34 wells; gas lift valve; straight gaslift; as well production with water withdrawal ；.

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