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1 <br /> Bouwer-Rice (1976) Solution for a Slug Test <br /> 8ouwer and Rice (1976) developed an empirical relationship describing the water-level response in an <br />' unconfined aquifer due to the instantaneous injection or withdrawal of water from a well- <br /> ln(so)--ln(st)= r' !n{/r / r 1 <br /> .' ` C Y. <br /> 1 <br /> z } n(r. _rc_) <br /> r <br /> 1 8ouwer and Rice (1976) recommend computing an equivalent casing radius to correct for the porosity <br /> of the gravel pack when the height of the static water column in the well is less than the screen length. <br /> AOTESOLV for Windows automatically computes the equivalent casing radius using the value of <br /> 1 porosity (n) specified in the data set (see Aquifer Data), a porosity equal to zero (C 0) results in no <br /> _ correction to the casing radius <br /> Momik (1994) advises the use of an equivalent wellbore radius if the aquifer is anisotropic in a vertical <br /> plane ACTcSOLV automatically computes the equivalent wellbore radius using the value of <br /> anisotropy ratio (Kz/Kr)specifed in the data set (See Aquifer Data) An anisotropy ratio equal to unity <br /> 1 (1 0) results in no correction to the well radius <br /> Refer to the List of Svmbols for a description of the parameters and variables contained in the <br /> equations <br /> ?rc <br /> pCtcnaor-w3tc surtacc <br /> aft=slug inijecrlon <br /> ---b-- •'----------d--q----------------------_-- _-_-__ <br /> a <br /> poE=:iaon,e.-sc surrarc ac„fi" <br />' before slue injecscn K-KX <br /> H _ L b <br /> b <br />' n[nuclude <br /> Related Topics <br /> %.ssur^otior5 <br /> Data Requirements <br /> References <br /> L ulonal <br />