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<br /> FJ.�p �TCRAT}4N CF .1 �fdAATEIa LATER
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<br /> , 6r� C�+
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<br /> � 7�Y
<br /> 1. Select numVer ��f per.orated taterals � ._ ,, .
<br /> �:,;,,
<br /> ��.,.�, • . L�(M�,e«w.,u. r..�k c.,
<br /> `�;%. l,�rM��oti l�'r .�4�1�1e1�N MY�erw a.r
<br /> Dy ��.. . /w{A ►eMt} .
<br /> 2. Select gerFoxati�n spacng = � • feet. �,�,,.,,,,, at,,,. �,r,�„.
<br /> . w. . �..« �.
<br /> ia r .
<br /> 3. Since perfora:;ans should not be placed c?oser than 1 ft. to ����+d� � � ���=� �
<br /> the edge of the roc�c Iayer (see diagram),subrract 2 ft. :ram .,:" �' c�� � ������'a �'
<br /> r.n.�.� i..�.,d
<br /> the rock Iayer l�tSth. •
<br /> � �D 5 �«4�.,d sui ►..r.+r a��iu.
<br /> . ��, .a M+Kt M�t,�f i4��M
<br /> �,�,�;�,�,�ft. - feet. ,.
<br /> 4. tietermine the numb2r af spaces bet�,veen perfarations. �+���
<br /> Divide the len�th above by perforation spadng arid raund �;� �,,,,,,,, k�,,,,
<br /> dawn to near�t whale number. "'"'
<br /> 1.Oa Q.56
<br /> �.e�gth perf. sgac�ing � �Q.5ft. + � ft. A -2 4 spaces 2.Qb ' b.$(} 1:�
<br /> (3) (2� ..u..ta.�,�.r�r n�,.�
<br /> S. Number oE perfaratians is equal to one plus the number t�f b•u�+ta'u ar,.�.�uua«�,
<br /> perforatinn spaces .
<br /> Mazimua�nuntb�¢i ot quart�r tnch pertaratlon:
<br /> Z 0 Spac�� + I = 2/ perfvratlorts/laEeral ur��t a5 gu�rr►�a�ee<to�d��,�rge��a
<br /> Prtrlon tion I
<br /> . b. Muitiply perforations per Iateral by number of lateraLs to 5�'r��g 1�i 1� I �
<br /> get totai nuznher of perforations. �„� '�4 �$ I 2$
<br /> � � x � � — 6 3 erforations. 3.p �� �7 � 2E
<br /> ;�,, �,���,~ P 3.3 �.2 76 ► 2�
<br /> ;
<br /> 7. Determi�ze required flow rate by multiplyi.:�g �.� 1� 75 I ��
<br /> number oE pez-farations by 41ow per pesioration �,Q �Q �,4 ; �
<br /> �� }t ��— ���Al. r..wa• ur.to ., r+o a �..o.us yr,.•n,.o� �,r.
<br /> . ..-�r �,,.��
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<br /> � 8. If laterals are connected to header pipe as shnwn an upper �
<br /> example, to sele�t m�nirnum required lateral diameter; enter� - ��
<br /> table with perforation spacing and number of perfarations ,.�-�'
<br /> per late.r�. Se!e�ct minimurn diameter for \�.�'''�
<br /> pe�forated tat�ral = 2. inthes.
<br /> �..�.,.^�-�..,�,���
<br /> �....�.....,�
<br /> .�
<br /> 9, �f prrfersted Iatarai �yitam ii attAchid to martiiiold pipe n��z ,�.
<br /> the center,lower d.iagram,perforated Iateral l�gth and —�r�r�,�-�-
<br /> munbes of perforations per lateral wlll be approxi,mately one '�� •�:�
<br /> half of that in step 8. Using these values, select minfmum ...� `'"'�
<br /> diameter for periarated Iatesal =!���es. �,,:�'''�
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