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The AAPG/Datapages Combined Publications Database

Indonesian Petroleum Association

Abstract


21st Annual Convention Proceedings (Volume 2), 1992
Pages 359-392

Gas Previous HitLiftNext Hit Simulation Using Dynamic and Static Models

Harun Kurnianto, Suryatmoko

Abstract

The most common gas Previous HitliftNext Hit design procedure used currently is a calculation of gas Previous HitliftNext Hit valve parameters (PTRO & port size) based on an approximation approach using a static model. To enhance a gas Previous HitliftNext Hit design, a gas Previous HitliftNext Hit simulation based on both static and dynamic models has been developed in ARII's gas Previous HitliftNext Hit operations.

This paper details the construction of gas Previous HitliftNext Hit simulation using a computer spread sheet program and its applications in fine-tuning and testing gas Previous HitliftNext Hit designs with casing operated valves.

The most critical step in the gas Previous HitliftNext Hit simulation is the prediction of injection gas passage through a gas Previous HitliftNext Hit valve port at various tubing (Pt) and casing pressures (Pc). This performance may be obtained from gaslift manufacturers based on the actual passage performance test. Due to the limitation of this data, the authors tried to predict the injection gas passage performance using semi-empirical equations based on static and dynamic models.

The other benefits of a gas Previous HitliftNext Hit simulation are to help production engineers in gas Previous HitliftNext Hit optimization and trouble shooting analysis; such as, identifying leaking valves/tubing, malfunctioned valves, and fundamental problems i.e. mandrel spacing that does not match the well performance.

The authors also tried to compare the flow performance predicted in this paper with the actual performance measured during test by a gas Previous HitliftTop manufacturer (see Table 1).


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