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1. Select number of perforated laterals 3 <br />2 Select perforation spacing • -_ 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 h. from the <br />rock layer length. <br />- L4Noce -2ft.��2ft. <br />4. Determine the number of spaces between perforations. <br />Divide the length above by perforation spacing and round <br />down to neArest whole number. <br />Length perf. spacing • h. « ft. - J—�_ spaces <br />5. Number of perforations is equal to one plus the number of <br />perforation spaces . <br />I1 spaces + 1 - ILI_ perforations/lateral <br />6. Multiply perforations per lateral by number of laterals to <br />get total number of perforations. <br />1 L4 <br />w. x • LjR_- perforations. <br />7. Determine required flow rate by multiplying <br />number of perforations by flow per perforation <br />(see page E -17) <br />� <br />X M . 3 L Pm. <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 />9. If perforated lateral system is attached to manifold pipe near <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. ZJsing these values, select minimum <br />diameter for perforated lateral from page E-17 as I %a '' <br />inches. <br />E -17a <br />1.00 <br />ass <br />0Tf <br />13 <br />OM <br />9"2.0► <br />on <br />1A <br />23 <br />am <br />1.17 <br />31) <br />af/ <br />11, <br />!D <br />1.17 <br />1.f7 <br />_U <br />_-LU <br />tors <br />.u..lafew <br />d twd fo► �rw.r.w. <br />w..2o /w1 d Awl w..�..wwrwnr <br />E -17b <br />rr_rrrr� r�.r-rr. <br />r <br />t3 It Is 28 <br />n 13 17 26 <br />12 Ice 23 <br />.c <br />it <br />Is u <br />S A 10 w 22 <br />E-15 <br />E-12 <br />