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Lithologic Interval Details

Well Name X-Coord
(feet)
Y-Coord
(feet)
W-17746 574979 672334

Min.
Depth
(feet)
Max.
Depth
(feet)
Primary Rock %
Primary
Rock
Primary Color Induration %
Porosity
Comments
0 1.7 SAND (QUARTZ) PALE BROWN POOR NUMEROUS ROOTS IN UPPER 1 FT. WITH SOME CARBONATE CHUNKS- MAYBE FILL.
1.7 4 LIMESTONE WHITE POOR INTERVAL VERY RUBBLY.
4 5 LIMESTONE VERY PALE ORANGE GOOD INTERVAL CONSISTS OF ROUNDED GRAVEL SIZE CHUNKS OF MATERIAL DESCRIBED ABOVE WITH SOME SHELL MATERIAL.
5 15 SAND (QUARTZ) VERY PALE ORANGE MODERATE SHELL RICH ZONE BETWEEN 7 & 8 FT. ALSO, SHELL MATERIAL AROUND 15 FT. POOR RECOVERY BETWEEN 11 & 15 FT.
15 20 SHELL VERY PALE ORANGE UNCONSOLIDATED VERY POOR RECOVERY OVER INTERVAL. MAJORITY OF SHELL FRAGMENTS ARE BARNACLES. INTERVAL MAY BE AN ARTFACT OF DRILLING.
20 24.6 SAND (QUARTZ) VERY PALE ORANGE MODERATE POOR RECOVERY. CALCILUTITE MATRIX AMOUNT VARIABLE OVER INTERVAL.
24.6 38.5 LIMESTONE VERY PALE ORANGE GOOD POOR RECOVERY. SOME ORIGINAL SHELL MATERIAL- PECTEN SP.
38.5 47 LIMESTONE VERY LIGHT GRAY GOOD SAND CONTENT STEADILY INCREASES DOWN INTERVAL TO ABOUT 25% NEAR 47 FT. POOR RECOVERY OVER INTERVAL.
47 50 NO SAMPLE
50 74 SANDSTONE YELLOWISH GRAY GOOD INTERVAL RANGES FROM A VERY SANDY CARBONATE TO A SANDSTONE WITH CARBONATE MATRIX. HIGHLY MOLLUSCAN MOLDIC. INTERVAL BETWEEN 67 & 68 FT. IS MODERATELY CONSOLIDATED SAND. POOR RECOVERY.
74 77 NO SAMPLE
77 79 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED INTERVAL DESCRIBED FROM VERY SMALL SAMPLE- VERY POOR RECOVERY OVER INTERVAL. QUARTZ GRAINS HEAVILY FROSTED.
79 85 SAND (QUARTZ) VERY PALE ORANGE POOR BI-MODAL SAND SIZE DISTRIBUTION. MAJORITY OF SAND VERY FINE BUT 10% OF GRAINS RANGE FROM COARSE TO GRANULE SIZE WITH SOME PEBBLES DISCOID IN SHAPE. ABUNDANCE OF LARGER GRAINS INCREASES DOWN INTERVAL.
85 85.5 NO SAMPLE
85.5 92 SAND (QUARTZ) WHITE POOR BI-MODAL SAND SIZE DISTRIBUTION WITH THE LARGER FRACTION BEING WELL ROUNDED & HIGHLY FROSTED. AMOUNT OF LARGE GRAINS INCREASES DOWN INTERVAL.
92 93 NO SAMPLE
93 94 SAND (QUARTZ) WHITE POOR INTERVAL COARSENS DOWNWARD.
94 95 SAND (QUARTZ) WHITE POOR INTERVAL HAS COMPLETELY LOST THE COARSE FRACTION. MORE MICACEOUS THAN ABOVE INTERVALS.
95 101 SAND (QUARTZ) WHITE POOR SOME FINER SAND ENTERS INTERVAL AROUND 100 - 101 FT.
101 102 SAND (QUARTZ) WHITE POOR INTERVAL EXHIBITS A BI-MODAL GRAIN SIZE DISTRIBUTION.
102 110.5 SAND (QUARTZ) VERY PALE ORANGE POOR INTERVAL CONTAINS ZONES OF MORE COARSE SAND WITH SOME GRAINS BEING DISCOID IN SHAPE.
110.5 112 SAND (QUARTZ) WHITE POOR INTERVAL SAME AS PREVIOUS WITH 10% ORIGINAL SHELL MATERIAL.
112 114.5 SAND (QUARTZ) VERY LIGHT GRAY POOR
114.5 121 SAND (QUARTZ) VERY LIGHT GRAY POOR INTERVAL COARSENS BETWEEN 118 & 119 FT. THEN FINES DOWN INTERVAL. SHELL FRAGMENTS ABUNDANT.
121 124 NO SAMPLE
124 129.5 SAND (QUARTZ) YELLOWISH GRAY POOR INTERVAL VERY SILTY- INCREASED SILT DOWN INTERVAL.
129.5 194.5 SAND (QUARTZ) GRAYISH BROWN POOR INTERVAL VARIABLY CLAYEY WITH SOME ZONES UP TO 5% CLAY. PHOSPHATE CONTENT VARIABLE. SOME COARSE SAND SCATTERED THROUGHOUT INTERVAL.
194.5 201 SAND (QUARTZ) GRAYISH ORANGE PINK POOR UPPER PART OF INTERVAL MAY BE DOLOMITIC. PUNKY, WEATHERED SHELLS AROUND 196 FT. CLAY CONTENT DECREASES DOWN INTERVAL. TD

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