论文信息 - Parallel computing for pressure transient analysis of multi-stage hydraulically fractured horizontal well in shale gas reservoirs

Parallel computing for pressure transient analysis of multi-stage hydraulically fractured horizontal well in shale gas reservoirs

Pressure transient analysis model for Multiple Hydraulically Fractured Horizontal Well is proposed in this paper, which takes into account the adsorption effect and the diffusion effect of gas, the compression sensitivity effect, the wellbore storage and the skin factor. Applying Newman Product Principle, the semi-analytical pressure solution is presented. Considering the highly parallel infinite sum and integral in the solution, a GPU based parallel algorithm is implemented to accelerate calculation. Results on the platform with i3 540 CPU and NVIDIA GTX 550Ti GPU shows almost 40 times speedup, in which way the real time bottomhole pressure calculation of multiple fractured horizontal well is fulfilled.

Detang Lu | Cong Niu | Haijun Zheng

[1] Rajagopal Raghavan,et al. Modeling of Fluid Transfer From Shale Matrix to Fracture Network , 2010 .

[2] Ian D. Palmer,et al. How Permeability Depends on Stress and Pore Pressure in Coalbeds: A New Model , 1998 .

[3] Larry Kevin Britt,et al. The Geomechanics Of A Shale Play: What Makes A Shale Prospective , 2009 .

[4] Ian D. Palmer,et al. How Permeability Depends on Stress and Pore Pressure in Coalbeds: A New Model , 1998 .

[5] George E. King,et al. Thirty Years of Gas Shale Fracturing: What Have We Learned? , 2010 .

[6] Aissa Zerzar,et al. Interpretation of Multiple Hydraulically Fractured Horizontal Wells in Closed Systems , 2003 .

[7] Jennifer Market,et al. Petrophysical Evaluation for Enhancing Hydraulic Stimulation in Horizontal Shale Gas Wells , 2010 .

[8] C. Cipolla,et al. Reservoir Modeling in Shale-Gas Reservoirs , 2010 .

[9] Roland N. Horne,et al. Relative Productivities and Pressure Transient Modeling of Horizontal Wells with Multiple Fractures , 1995 .