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PRESSURE DiSTTZIBLJTYO[�1 SYSTEM �� P�FCRo.TION cF a PkNFpq4TED u►rspv�
<br /> ' �—crw Gw�r
<br /> I. Select number oE perforated laterals�� �� T°"'°" ��Y�
<br /> •� wvw �e Gw�unl� iorm (w�ar
<br /> Loany Sond Loy�r, ��ncn iur+ol Ary a�waw cwws0
<br /> / n,.0 f�,lA pppr�
<br /> 2. Select perforation spacing = �--� feet� �«�i c'�-------�������� a��N ����,��
<br /> �r�'� �nw Gap Nw Tn�
<br /> - h not be laced closer than I ft. to �-';�P'°• �� " `'°" '_''• �'°•
<br /> 3. Since perforations s ould p a�� F�.� p�► o� p.��,..
<br /> the edge of the rock layer (see diagram), subtract 2 ft. 11 OIT� �'f0f°����p 4�
<br /> , Ci�a� SaW laYw Bonom ol l.uiHW
<br /> the rock layer length.
<br /> G" r �
<br /> � `J OnaNa su�1 P.oa.nr scanu�a
<br /> ---�ft. _ ��3 feet. 9��w�Plocrnp SwW l�Yw
<br /> �VY��+K�+ TABLE OF PERFOR.iTION D[5QiARGES IPJ CPM
<br /> 4. Determule the number of spaces between perforations. Head Per:ocanon uur.,er,r(inct�.r�)
<br /> Divide the length above by perforation spacing and round ��� ��.
<br /> down to nearest whole number.
<br /> 1. �'050 �.7;1,.'
<br /> � IS O.c9 0.4Q
<br /> Length perf. spacing =�-� ft.+ � ft. _ �spaces ub o� i,l�
<br /> �3� ��� 3.0 0.98 l.:y
<br /> 5. Number of perforations is equal to one plus th� number of s.o i.� i��
<br /> perforation spaces . ��
<br /> aL'x 1 A foot oi he�d fur rrsid.mnal syxteuu.
<br /> � bUse ZO feet of herd fcr oc.�er atabliihalrr�u
<br /> 1 � spaces + 1 = � perforataions/lateral
<br /> M.n�.u..r�....an.d vr�,r....pr.r.ru
<br /> p.��rr a�O�C�.u�.r�y �
<br /> 6. Niultiply perforations per lateral by number of laterals to ,,.,�.�.�,�.. l;s �,�—n�—i,�n �.;;u.��t
<br /> get total number of perforations. ,s la �. z;
<br /> _� /„/j � �3— p� 13 —�L _d
<br /> � 33 12 16 ��
<br /> X Y � perforations. a.o ii ts �.�
<br /> �.��� �s���' s.o io is -�,
<br /> 7. Determine required Elow rate by multiplying
<br /> number oE perforations by flow per pesforation
<br /> �� ��� _�gP�, ,..,�.� �«.�� .. � �. ..��..K�TM.,�. �ri�..
<br /> �� �/P�
<br /> -�
<br /> �f
<br /> 8. If laterals are connected to header pipe as shown on upper •..
<br /> example, to select minimum required lateral diameter; enter �� '
<br /> �,,,,,'✓' '`r�''
<br /> table with perforation spacing and number of perforations ,,,..�
<br /> per lateral. Select minimum diameter for �.-� _,
<br /> perforated lateral = inches.
<br /> ,,.�,. ... ..�.._,�.
<br /> .,......::..�,..........
<br /> �,,...,....,�.�.
<br /> �
<br /> ..�..,.� �r
<br /> �S�"::��.:�� :v�r......�
<br /> 9. If perforated lateral system is attached to manifold pipe near
<br /> the center, lower diagram, perforated lateral l�gth and ""��""'��'^"'" ;�
<br /> number of perforations per lateral will be approximately one � �� "��
<br /> half of that in step 8. Using these val ,es, select minimum """ `'� �,,,.��, r��
<br /> diamet�r for perforated lateral =� inches. ��..-�'���,,,`.�
<br /> � � �
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