bureau of land management
BUREAU OF LAND MANAGEMENT Park Center Replacement Well
JOB NO: 797.1 DATE: 3/22/2011 ELEVATION: 5,630 ft. TOTAL DEPTH: 2,786 ft.
Depth 0
Lithology
10
Caliper inches 35
Shallow Resistivity Ohm-m 100
0
0
Deep Resistivity Ohm/m 100
0- 2 Fill
Well Construction
0'-40' 24" Conductor Casing
2- 7 Hard, yellow-white medium grained sandstone boulders with sandy matrix, granite, and cobbles 7- 10 Alluvium; pebbles, large cobbles, and boulders
100
10- 60 Gray sandstone boulder, cobbles, rounded pebbles, gravel. 60- 70 Dark grey mudstone 70- 80 Alternating layers of fine grain limestone and light brown mudstone, trace sand
200
80- 110 Poorly sorted to well sorted light brown medium to coarse grained sandstone 110- 120 Brown mudstone/siltstone
300
120- 180 Red, medium to coarse grained sandstone, with quartz
0'-567' Cement
180- 190 Red mudstone/claystone
0'-596' 20" Casing
190- 210 Red sandstone medium to coarse grained 210- 330 Red mudstone/claystone 330- 340 Maroon red sandstone
400
340- 420 Red mudstone/sandstone 420- 430 Red sandstone 430- 530 Red mudstone/sandstone
0'-596' Cement
500 530- 680 Red sandstone
600
700
680- 690 Red siltstone, fine sandstone, some gray green shale 690- 960 Red sandstone
800
900
960- 970 Red mudstone
1000
970- 1440 Red sandstone
1100
1,091'-1,291' Cement
1200
1300 0'-2,695' 12" Casing 1,327'-1,401' Cement
1400
1440- 1450 Red sandstone conglomerate 1450- 1790 Red sandstone
1500
1600
1700
1800
1790- 1800 Grey green shale 1800- 2260 Red sandstone with some mudstone
1900
2000
Casing wall thickness exaggerated 3x
2100
2200
2260- 2270 Red mudstone
2300
2270- 2320 Red sandstone
2320- 2330 Red mudstone 2330- 2370 Red sandstone
2,115'-2,613' Cement 2370- 2380 Red Mudstone
2400
2380- 2560 Red sandstone
2500
2560- 2570 Red mudstone
2600
2570- 2590 Red sandstone 2590- 2610 Red mudstone 2610- 2620 Red sandstone 2620- 2680 Red mudstone
2700
2,644'-2,695' Cement
2680- 2710 Red sandstone 2710- 2740 Red mudstone
2,695'-2,786' Open hole diameter apprx. 20"
2740- 2770 Red sandstone 2770- 2778 Red sandstone 2778- 2779 Fracture 2779- 2786 Dolomite
Jehn Water Consultants, Inc.
JOB NO: 797.1 DATE: 3/22/2011 ELEVATION: 5,630 ft. TOTAL DEPTH: 2,786 ft.
Depth 0
Lithology
10
Caliper inches 35
Shallow Resistivity Ohm-m 100
0
0
Deep Resistivity Ohm/m 100
0- 2 Fill
Well Construction
0'-40' 24" Conductor Casing
2- 7 Hard, yellow-white medium grained sandstone boulders with sandy matrix, granite, and cobbles 7- 10 Alluvium; pebbles, large cobbles, and boulders
100
10- 60 Gray sandstone boulder, cobbles, rounded pebbles, gravel. 60- 70 Dark grey mudstone 70- 80 Alternating layers of fine grain limestone and light brown mudstone, trace sand
200
80- 110 Poorly sorted to well sorted light brown medium to coarse grained sandstone 110- 120 Brown mudstone/siltstone
300
120- 180 Red, medium to coarse grained sandstone, with quartz
0'-567' Cement
180- 190 Red mudstone/claystone
0'-596' 20" Casing
190- 210 Red sandstone medium to coarse grained 210- 330 Red mudstone/claystone 330- 340 Maroon red sandstone
400
340- 420 Red mudstone/sandstone 420- 430 Red sandstone 430- 530 Red mudstone/sandstone
0'-596' Cement
500 530- 680 Red sandstone
600
700
680- 690 Red siltstone, fine sandstone, some gray green shale 690- 960 Red sandstone
800
900
960- 970 Red mudstone
1000
970- 1440 Red sandstone
1100
1,091'-1,291' Cement
1200
1300 0'-2,695' 12" Casing 1,327'-1,401' Cement
1400
1440- 1450 Red sandstone conglomerate 1450- 1790 Red sandstone
1500
1600
1700
1800
1790- 1800 Grey green shale 1800- 2260 Red sandstone with some mudstone
1900
2000
Casing wall thickness exaggerated 3x
2100
2200
2260- 2270 Red mudstone
2300
2270- 2320 Red sandstone
2320- 2330 Red mudstone 2330- 2370 Red sandstone
2,115'-2,613' Cement 2370- 2380 Red Mudstone
2400
2380- 2560 Red sandstone
2500
2560- 2570 Red mudstone
2600
2570- 2590 Red sandstone 2590- 2610 Red mudstone 2610- 2620 Red sandstone 2620- 2680 Red mudstone
2700
2,644'-2,695' Cement
2680- 2710 Red sandstone 2710- 2740 Red mudstone
2,695'-2,786' Open hole diameter apprx. 20"
2740- 2770 Red sandstone 2770- 2778 Red sandstone 2778- 2779 Fracture 2779- 2786 Dolomite
Jehn Water Consultants, Inc.
