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1. Select number of perforated laterals 3 <br />2. Select perforation spacing a -:3_ ft. <br />3. Since perforations should not be placed closer than 1 ft. to <br />the edge of the rock layer (see p. E-14), subtract 2 ft. frorr the <br />rock layer length. <br />a.s • 2 ft. • ft. <br />4. Determine the number of spaces between perforations. <br />Divide the length above by perforation spacing and round <br />down to neuYst whole number. <br />Length perf. spacing •ft. f ft. - 13_ spam <br />\Jl lLl <br />5. Number of perforations is equal to one plus the number of <br />perforation, spaces . <br />spaces + 1 - ILA perforations/lateral <br />6. Multiply perforations per lateral by number of laterals to <br />get total number of perforations. <br />�. x r Wil- �� perforations. <br />7. Determine required flaw rate by multiplying <br />number of perforations by flow per perforation <br />(see page E -17) <br />� <br />x M -1 gpm. <br />8. If laterals are connected to header pipe as shown on page E- <br />15, select minimum required lateral diameter from table on <br />page E-17; enter table with perforation spacing and number <br />of perforations per lateral. Select minimum diameter for <br />perforated lateral - inches. <br />E -17s <br />7na <br />)as 036 <br />114 <br />am <br />13 00 <br />an <br />2.0► 0.10 <br />IM <br />23 an <br />1.17 <br />3.0 0." <br />"I <br />40 1.11 <br />to <br />1 <br />GUM 1 D led d AOW bb. <br />4-- <br />►uw 2.01" d Ind Iww dw- rr►Mwww <br />14 <br />E- 17b <br />9. If perforated lateral system is attached to manifold pipe n- ,r <br />the center, as on page E-12, perforated lateral length and <br />number of perforations per lateral will be approximately one <br />half of that in step 8. Using these values, select minimum <br />diameter for perforated lateral from page E-17 as 1 <br />inches. <br />E-12 <br />i� �af�a,arar- <br />wr <br />23 it <br />117210 <br />13 <br />17)li <br />16R <br />1 <br />Is3D <br />t0 <br />14 <br />9. If perforated lateral system is attached to manifold pipe n- ,r <br />the center, as on page E-12, perforated lateral length and <br />number of perforations per lateral will be approximately one <br />half of that in step 8. Using these values, select minimum <br />diameter for perforated lateral from page E-17 as 1 <br />inches. <br />E-12 <br />i� �af�a,arar- <br />