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PWFfiSUllE PISTRlBUnON SYSTEM <br />1. Select number of perforated laterals S <br />2. Select perforation spacing ■ -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-14X subtract 2 ft. from the <br />rock layer length. <br />IbdtIqMrtanftfi -2ft. « LC. ft. <br />4. Determine the number of spaces between perforations. <br />Divide the length above by perforation spacing and round <br />down to nearest whole nxunber. <br />Length perf. spacing ft ft. spaces <br />5. Number of perforations is equal to one plus the number of <br />perforation spaces. <br />3JL spacesV 1» perforations/lateral <br />6. Multiply perforations per lateral by number of laterals to <br />get total number of perforations. <br />* perforations.iMnIt <br />E-17a <br />TAaLEOPlWOKATIONDPCHAimiKCI!t> <br />7, Determine required flow rate by multiplying <br />number of perforations by flow per perforation <br />(see page E -17) <br />^ x^-iL.gpm. <br />8. If laterals are connected to header pipe as shown on page E- <br />15, select minimum required lateral ^ameter from table on <br />page E-17; enter table i^th perforation spacing and number <br />of perforations per lateral. Select minimum diameter for <br />perforated lateral ■_____inches. <br />9. If perforated lateral system is attached to manifold pipe near <br />the center, as on page E-12, perforated lateral len^ 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 jJtiz— <br />inches. <br />Hmi PHfbrMlondUaMtvandiM) <br />Tits 1/4 <br />^Xk 036 a74 <br />13 039 OJO <br />2.0b 030 134 <br />23 039 1.17 <br />3.0 a9S 130 <br />43 1.13 137 <br />■ La -------IJS <br />•Um 13 fool ollMdifbr fvldi <br />bUM 10 fMt d h«d far odMT «lMWi <br />E-17b <br />ilSinch 13meh 2.0incli <br />23 14 IS 21 <br />33 13 17 26 <br />33 12 16 2S <br />4.0 11 IS 23 <br />S3 10 14 22 <br />E-15 <br />E-12