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r <br /> r <br /> i , <br /> r <br /> List of Symbols ■ <br /> b = thickness of aquifer[L] ■ <br /> b, = thickness of fracwre skin [L] ' <br /> W = thickness of aquitard overlying aquifer in leaky system or <br /> one-half thickness of blocks in fissured system [L] <br /> b" = thickness of aquitard underlying aquifer[L] <br /> B = leakage factor[L'] <br /> do = vertical distance between top of perforations in pumping <br /> well and initial position of water table divided by initial <br /> saturated thickness of aquifer[L] ' <br /> H = static height of water in well measured from base of well <br /> to static water level [L] <br /> H,, = initial displacement in well due to slug injection or extraction <br /> Ja = Bessel function of first kind, zero order <br /> 1, = Bessel function of first kind, first order <br /> K = hydraulic conductivity of fractures in fissured system [L/T] <br /> K„ = modified Bessel <br /> unction of second land, zero order <br /> K, = modified Bessel function of second kind, first order <br /> K_ = radiad (honzontal) hydraulic conductivity of aquifer [LI T] <br /> K, = hydraulic conductivity of fracture skin (L/ T] <br /> K; = vertical hydraulic conductivity of aquifer [LIT] <br /> K = hydraulic conductivity of aquitard overlying aquifer in , <br /> leaky system or block system in fissured system [L/T1 <br /> K' = hvdraulic conductivity of aquitard underlying <br /> aquifer (L/T] <br /> I_ = vertical distance betwe-en bottom of perforations in <br /> pumping well and initial position of water taole divided by <br /> initial saturated thickness of aquifer fL] <br /> L = length ofwell screen [L] <br /> p = Laplace transform variable <br /> Q = pumping rate [L' / T] <br /> r = radial distance [L] <br /> r = well casing radius [L] <br /> r = equivalent radius over wnich head loss occurs [L] , <br /> well radius [L] <br /> r <br /> 1 <br /> i <br /> r <br />