Sulige Gas Field Research Center

Changqing, China

Sulige Gas Field Research Center

Changqing, China

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Wang X.,Sulige Gas Field Research Center | Wang H.,Sulige Gas Field Research Center | Gan Q.,Gas Technology Institute | Wang H.,China National Petroleum Corporation | Zhang W.,China National Petroleum Corporation
Well Testing | Year: 2011

The weighing method is utilized to weigh the weight of the tubing string in the liquid at the wellhead and precisely and continuously determine the liquid level in the wellbore with accumulated liquid, which provides a basis of effective liquor drainage of gas wells. Two examples show that the weighing method can fast and accurately determine the accumulated liquid level in the wellbore, which provides a reliable basis of effective liquor drainage of gas wells.


Liang Y.,Sulige Gas Field Research Center | Yuan K.,Sulige Gas Field Research Center | Yin T.,Sulige Gas Field Research Center | Wu F.,No.3 Gas Recovery Factory
Well Testing | Year: 2011

Using the numerical well test simulation method, a numerical well test model of fractured horizontal wells has been established. Simulation analysis of the pressure-production character of fractured horizontal wells is carried out considering various productivity-influencing factors. Based on the simulation analysis results, the nondimensional IPR recovery percent curve is drawn. By the statistics and regression analysis of the IPR curve, the IPR productivity evaluation formulation of fractured horizontal wells is given, which applies a simple, convenient and fast method for productivity evaluation of fractured horizontal wells in low permeability gas reservoir.

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