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<br /> • �
<br /> ENO PERFORATION OF A PEAfOMTED L�TiRAI.
<br /> • `p�ESSLIRE DiSTttIBtlTiO[Y SYSZ'EM . ��
<br /> , , ,
<br /> 1. Select number of perforated laterals 3_ � � T""'"' '� ' ''.�' ` ��� '
<br /> � .:,,... • ' • t„1,«M o..N.NI•►.wM(«JM�.
<br /> . . M ' u�l��«y�• •4 1AM,^~//�I+^��f^
<br /> 2. Select perforation spadng� _=feet, , . .. . ,,�,� „�„o„,�„�,,,a,,,
<br /> � . YIN � IMr M
<br /> 3. Since perforatioris should not be placed closer than 1 f� to ''�� t� ,. � : N��"`�'�
<br /> the edge of the rock layer(see diagrazn),subtract 2 f�from � �''�'�� =M�«„�.�.'�N.�
<br /> tr..• �.a«�N u�«.�
<br /> the rock layer length.. � , . - , , • , r.,• � :
<br /> . t� , ... .. .•, �.t . a+.rn��.n �..new� � .
<br /> � � �f� _�_fee� :. . : ,, ,�. ..,,,r,,, ,MN►.M..�.�."'L�. t ,
<br /> ' Rod�4y.r l.nsel+ � TABLB OF P81tFORATION DLSQ'�IIRGES II`I Cl'M
<br /> 4. Determine the number of spaces between perforations. �. �� H«a r.�ronno�a�R,.�ti�t
<br /> Divide the length above by perfc:�'��:: �pacng and round : :.:�. : ��,�. �.���� .. ��; �
<br /> down to nearest whole number. . , .. .. . ;r ; ,. � : ��. as6••
<br /> , � , o.� ��: a90
<br /> Len h erf. s acin � ft.+ � ft. a � s aces Z°b o.°° � 1.a
<br /> 8t P P 8 —L. P 2s o.e9 .. , , t.i� .
<br /> (3)' (2) �,�s.o� o.9e ::.� :.. i:a
<br /> 5. Number of perforations is equal to one pl�}s the number of �s:o i.'s'a • - i:ds
<br /> perfaration spaces. . • • �
<br /> �c,.�.o r�e or h.,a r�t�.�a.�a.�.r.�.�.
<br /> • ��� I bUse 2.0 l�.c ot fwd lor otha nfabWhaw:.. �
<br /> �3 spaces +1 =�perforations/lateral . . , .. � .
<br /> : .� , ,, ,. , , . .
<br /> ti N.i�i.M����rM��I�Ywlr
<br /> 6. Multiply perforatiors per lateral by number of laterals to : ��.,... � ,x, . ,,,�
<br /> get total number of perforations. . � � � = t4 �� �'
<br /> ,•. . , . �' 3.3 ' '1Z�:' �� ���.(116 Z3
<br /> � X����� � Z perforations. ,. . ��•. •. =� ,'• . a.o . : ���it �� .. i4.� �
<br /> �— J.0 10
<br /> , ..�.: � • �.� � .
<br /> , , . ,., .. .
<br /> 7. Determine required flow rate by�multiplying � - ., . . � ..: . ... _... � . •
<br /> number oE perforations by flow per perforation. ; . , ..�.".�� ��r: ":�� ..;:�� '' w' .
<br /> , ���•,• � �� ... ��i:: . ; t.. ;. . :,.�+'�'. t��,. s�. .. .. .
<br /> . ' '��"'� `.'+V�`/, • . . rwa��ecuu.t a+r r�twK w�wwne�nna .
<br /> ,X . .; „„
<br /> � �•�8Pm • ,� . • :�,; ; � .�.-�:. - .
<br /> , .� �: .�r.. � . .
<br /> . .... e: _ . � �. � � ' 1 . . •,:t.' '•�' � .' .. . �. ,
<br /> • �� ';i r • , i . . it: . •t•', . . :f':'
<br /> .�.r�; :
<br /> � 8. If laterals aze connected to header pipe as shown on upper � � � �� .� : � �s :,'':```'�
<br /> exam le,to select minimum required lateral diameter;enter ��� ,,,, �, ���-•
<br /> P . ,,.�', .
<br /> table with perfor�cion spadng and number oE perforations �' , �►•:., ;•� � .ti •� . � .
<br /> - per lateral. Select minimum diameter for.. . :� , ,.. '. .� � .
<br /> erforated lateral �_inches. ;.. .j ' ;�.
<br /> P .
<br /> ,
<br /> - ' : �-�x.,..��a�M
<br /> ���. �
<br /> � � �,
<br /> anifold I e neaz '�g���� � � !
<br /> 9. I f p e r f o r a t e d l a t e r a l s y s t e m i s a t t a c h e d t o m p p ^'�'
<br /> the center,lower diagrazn,perforated lateral length and • "''�"�"''�'"" ' +
<br /> number of perforations per lateral will be approximately one � � • "''�''"�''""
<br /> half oE that in step 8. Using these values, select miniinum "'"' '' ,,�.�''���
<br /> diameter for perforated lateral a���es. , , . , r'' ��� !
<br /> . � : . �„ �< <�, .. ± : . , , i � � . . ' ' , (
<br /> . . �. ,. .. ,_ '
<br /> .
<br /> _ . � __ __�._ _ . ._.__.. "__._..._ .._.._... _. ... ...._....«.��..............�-,.....,..,,. . � ...-.,,.,.-a�mww..•sal�erw..e�.:�,r�i n..n�.cxxrrn�ci�e.�:��P�•.taT•..v.�A�..s114`.MN.f'rN"CIF1;��'Y
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