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"PRESSURE DISTRIBUTION SYSTEM <br />1. Select number of perforated laterals <br />2. Select perforation spacing a �_ feet. <br />3. Since perforations should not be placed closer than 1 ft. to <br />the edge of the rock layer (see diagram), subtract 2 ft. from <br />the rock layer length. <br />ft. 3 y feet. , <br />Rods soya1.nOth <br />4. <br />5. <br />6. <br />7. <br />Determine the number of spaces between perforations.., <br />Divide the length above by perfc: :::gin :,pacing and round <br />down to nearest whole number. <br />Length pert. spacing .�1 ft. + ft. i spaces <br />(3) (2) <br />Number of perforations is equal to one phis the number of <br />perforation spaces <br />i 3 spaces + 1 - T- perforations/lateral <br />Multiply perfor- Hons per lateral by number of laterals to <br />get total num perforations. <br />1...r.+. X �fs�lr.r.i' ..1.sC perforations. <br />uir d fl b 1 1 <br />IV <br />0+0 1109MORATION M A PROPORATm LAMP&L <br />TNrY , <br />Larw M {• M*G rMrM to tiv <br />Lae" /M tor-- ,,•,,r�� M�.w r+�l •wed <br />►.�.,Ztwo crow wi WO101 <br />wCqP N•r M <br />' '' ra.anw IJMfN « <br />_ . c,..e tlaa. t.r. <br />« t..t.o <br />ed <br />TAILS OP MPORATM DOC HARCrS M CPM <br />Head rerforadon dlanrter (I Aw) <br />I W <br />r/a <br />inc <br />14 <br />21 <br />036 <br />.13 <br />1s <br />0.61,;, <br />0.90 <br />2.Or <br />o� .. <br />1.04 <br />2.s <br />OAV ' ' <br />1.17 <br />3.0 <br />0.94 . <br />1.22 <br />4A <br />1.13 <br />1.47 <br />s.o <br />1.0 <br />1.43 <br />•Use 1.0 fool of head for neldendal rystowa. <br />►Use LO feet of head (mother estabUshmw.- 1 <br />�;— <br />I W <br />inc <br />inc <br />14 <br />21 <br />_) <br />.13 <br />C 11� <br />26 <br />3J <br />12 <br />16 <br />23 <br />4.0 <br />" It <br />Is <br />23 <br />3.0 <br />10 <br />14 <br />22 <br />Determine req a ow rate y mu tip yang <br />number of perforations by flow per perforation <br />X �f gpm. <br />8. If laterals are connected to header pipe as shown on upper <br />example, to soled minimum required lateral diameter, enter <br />table with perforation spacing and number of perforations <br />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, lower diagram, perforated lateral length and <br />dumber 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 = inches. <br />„ now" 16"a r OF •+eawrr ool-wom "no <br />w <br />00-0-0 <br />