Productivity Formulae of an Infinite-Conductivity Hydraulically Fractured Well Producing at Constant Wellbore Pressure Based on Numerical Solutions of a Weakly Singular Integral Equation of the First Kind

Table 4

Mid-rectangle approximations of (4.16) with different ℎ.

𝑖	1	2	3	4
𝑄^′(1/2^𝑖)		0.6859163596	0.7044679397	0.7134577603
𝑄^′(1/2^𝑖+4)	0.7177072748	0.7196865358	0.7205981981	0.7210138248
𝑄^′(1/2^𝑖+8)	0.7212012467	0.7212846926	0.7213212664	0.7213369747