Analysis of Development Methods for Gravel Envelope Wells   -   22

Appendix B

Details of Jetting Model Pack Materials

The 6 14 filter pack is a mechanically graded gravel produced by Crystal Silica Co. Typical analysis:

U.S Sieve Size	% Passing
6	0
8	30
10	40
12	22
14	6

The filter pack is a mechanically graded gravel produced by Monterey Sand and Gravel. 100% passes ¼" or No. 3 U.S. Sieve, and 100% is retained on 1/8" screen. Typical analysis:

U.S Sieve Size	% Passing
3	100
4	18
6	2
8	0

The 6 10 filter pack is a mechanically graded smooth and rounded gravel. Typical analysis:

U.S Sieve Size	% Passing
4	10.0
6	95
8	18
10	1
16	0

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