Well in Jingbian gas field, and the results show that the proposed The model is verified by measuring the data of the horizontal Gas reservoir in which the bottom and top boundaries are closed is Prediction model of horizontal well completion with open hole in the Theory, and superposition principle of potential function, a new productivity Novel productivity prediction model based on the superposition principle Plane based on conformal transformation principle, and finally, a Well array into two production and two injection wells on the complex ![]() On the principle of mirror image reflection, transforming the infinite Into an infinite production well array in an infinite reservoir based Transforming the production well in the closed boundaries reservoir Improve the productivity prediction accuracy of OHHGW in GRCBTBS, ![]() Suitable for bottom water gas reservoirs. 3, 12 The models mentioned by Fan, Liu, 15 and Shi 16 are only So the application conditions are the same as those of Joshi and Giger 12 Chen and Renard models are derived from Joshi and Giger models, Reservoirs with small reservoir thickness. Of the model, 13, 14 and it is only suitable for gas Than vector addition, which leads to some limitations in the application Reservoirs into simple addition of horizontal and vertical flows rather Model decomposes the flow of the horizontal well in closed boundary 12 According to Borisov’s idea, the Joshi Necessary to replace horizontal permeability with equivalent permeability. Model, and when it is used in heterogeneous gas reservoirs, it is The fluid is incompressible 12 the applicableĬonditions of the Giger model are the same as those of the Borisov 10, 11 The Borisov model is only applicable for homogeneous reservoirs,Īnd the well is located in the vertical middle of the reservoir, and Horizontal gas wells, it is important to study the productivity predictionĪre some classic research studies on horizontal well productivityĪt home and abroad, such as those of Borisov, 3 Giger, 4, 5 Joshi, 6, 7 Renard, 8 Chen, 9 and Fan. In order to improve the development benefit of 1 Horizontal wells have attracted much attentionĭue to their advantages of large gas release area and small production United States, Canada, France, and other countries, and the researchĪnd application of horizontal well technology has been further developed. Since the 1980s, horizontal wells have been industrialized in the ![]() The development of horizontal wells in GRCBTBs. Method proposed in this study has a certain guiding significance for Open flow of well Longping 1 is only 1.03%, that is to say that the The OHHGW in GRCBTBs, and the prediction relative error of absolute The ability of the method to accurately predict the productivity of Theįield measured data of Jingbian gas field of Ordos Basin demonstrate Is suitable for the horizontal well in GRCBTBs, was developed. Principle of potential, a new productivity prediction method, which Infinite well array is transformed into two production and two injection Second, based on conformal transformation principle, the In GRCBTBs is transformed into an infinite well array in infiniteįormation. First, according to the theory of mirror imaging, an OHHGW Gas well (OHHGW) in a gas reservoir with closed bottom and top boundaries Predict the productivity of an open-hole horizontal
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