Sue Buried Hill Gas Reservoir Gas Well Production Analysis Methods

At present, all the gas well productivity analysis method need to ascertain the absolute open flow potential; thus need a stable test pot. In fact, it is impossible to get stable. Is there any method, which ascertain gas well productivity via unstable gas well test? At first, this thesis discusses the above problem on base of the practical open flow potential.At first, this thesis discuss the flow principle of gas through porous media for homogeneous gas reservoir; then, we review conventional gas well productivity analysis methods. On the foundation of above, this thesis deduce gas well variable-rate productivity quadratic equation for homogeneous gas reservoir; and put forward corresponding gas well productivity analysis method and the calculation method of practical open flow potential. When we deal with the practical data. manual pot-selection always affect the effect of the management result; thus, the analysis result can not be obtained; or the analysis result is not reliable. In order to solve the problem, this thesis put forward the optimization model of gas well productivity analysis. That is to say, take the consistency in every yield segment and the reliability of the analysis result as target, choose appropriate test data in every yield segment as input data for gas well productivity, Thereby analysis process do not need alternation between man and computer, direct procedure automatically present optimization result.The management results show that the new method is properly reliable. The new method do not need stable test, so we can save vast test time and test expense, which bring immediate economic benefit and have no infection on the gas oilfield production when we test the productivity, accordingly we can test more well, which can bring indirect economic benefit.