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The relationship between the production flow rate measured at the stock tank, ''q''<sub>o</sub>, and the bottomhole flowing pressure, ''p''<sub>wf</sub>, is called the ''inflow performance relationship (1PR)''. The IPR of a well can be determined directly by ''production test'' data, or it can be predicted from reservoir data. Whether presented graphically or expressed by a formula, the IPR is a statement of the production capacity and is widely used to design and analyze the production performance of wells
The relationship between the production flow rate measured at the stock tank, ''q''<sub>o</sub>, and the bottomhole flowing pressure, ''p''<sub>wf</sub>, is called the ''inflow performance relationship (1PR)''. The IPR of a well can be determined directly by ''production test'' data, or it can be predicted from reservoir data. Whether presented graphically or expressed by a formula, the IPR is a statement of the production capacity and is widely used to design and analyze the production performance of wells
Good general references on flow in reservoirs and wells include Golan and Whitson,<ref name=pt10r12>Golan, M., Whitson, G. H., 1991, Well Performance, 2nd. ed.: Englewood Cliffs, NJ, Prentice Hall.</ref> Bradley,<ref name=pt10r3>Bradley, H. B., ed., 1987, Petroleum Engineering Handbook: Richardson, TX, Society of Petroleum Engineers.</ref> and Craft et al.<ref name=pt10r7>Craft, B. C., Hawkins, M., Terry, R. E., 1991, Applied Petroleum Reservoir Engineering, 2nd. ed.: Englewood Cliffs, NJ, Prentice Hall, p. 210–263.</ref>
Good general references on flow in reservoirs and wells include Golan and Whitson,<ref name=pt10r12>Golan, M., and G. H. Whitson, 1991, Well Performance, 2nd. ed.: Englewood Cliffs, NJ, Prentice Hall.</ref> Bradley,<ref name=pt10r3>Bradley, H. B., ed., 1987, Petroleum Engineering Handbook: Richardson, TX, Society of Petroleum Engineers.</ref> and Craft et al.<ref name=pt10r7>Craft, B. C., M. Hawkins, and R. E. Terry, 1991, Applied Petroleum Reservoir Engineering, 2nd. ed.: Englewood Cliffs, NJ, Prentice Hall, p. 210–263.</ref>
==Empirical IPR equations==
==Empirical IPR equations==