Optimized Gas Allocation for Continuous Gas Lift Well Group
نویسندگان
چکیده
منابع مشابه
Stabilizing gas - lift well dynamics with free operating point ⋆ ⋆
Gas-lift is one of the most used artificial lift methods worldwide. In Brazil it responds for more than 70% of the total oil production. Gas-lift wells are known to present oscillatory behavior associated with phenomena like heading and density wave. This work presents an innovative way to control these oscillations. The approach adopted controls the well dynamics without fixing any operational...
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One of the factors which affects the gas lift performance is specific gravity of a lift gas (or the Molecular weight), which can influence the gas solubility in oil and has a direct effect on the gas lift performance. There are some previous researches which have included the lift gas specific gravity in their modeling, but in none of them, a comprehensive research about the effect of lift gas ...
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Proper allocation and distribution of lift gas is necessary for maximizing total oil production from a eld with gas lifted oil wells. When the supply of the lift gas is limited, the total available gas should be optimally distributed among the oil wells of the eld such that the total production of oil from the eld is maximized. This paper describes a non-linear optimization problem with constra...
متن کاملPreventing Instability Phenomenon in Gas-lift Optimization
One of the problems that sometimes occur in gas allocation optimization is instability phenomenon. This phenomenon reduces the oil production and damages downhole and surface facilities. Different works have studied the stability and suggested some solutions to override it, but most of them (such as making the well intelligent) are very expensive and thus they are not applicable to many cases. ...
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This article proposes a control strategy for an oil well operating via gas-lift. The well model is implemented in the OLGA simulator (Scandpower) using an orifice valve (no moving parts) downhole with control in the gas lift surface valve and production choke. The dynamic identification uses the knowledge of the process static gain as the nonlinear static block of a Hammerstein model representa...
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ژورنال
عنوان ژورنال: Journal of Oil and Gas Technology
سال: 2016
ISSN: 2471-7185,2471-7207
DOI: 10.12677/jogt.2016.382013