28 
Log of Well No. 1, Lander Oil Company Limited, Orallo Parish, County of Waldegrave, Queensland, Australia. 
Elevation of derrick floor about 1,360 feet Lat. 
Spudded 15th November, 1923. 
220 ft. 151 in., 70-in. casing. 
2,138 ft. 10 in., 45-in. casing. 
Cemented — 7th April, 1924, 90 sacks of cement, which set in pipe and no shut-off was secured. 
13|-in. hole drilled to 2,140 feet. ' • 
From— 
To— 
Thickness. 
Formation. 
0 
• 133 
133 
Surface clay, sand, and gravel 
133 
173 
40 
Yellow sand, with streaks of clay 
173 
178 
5 
White clay 
178 
188 
10 
Yellow sand 
188 
193 
5 
White clay 
193 
208 
15 
Yellow clay 
208 
220 
12 
Yellow sand 
220 
230 * 
10 
Blue shale 
230 
250 
20 
Blue sandy shale 
250 
260 
10 
Yellow sandy shale 
260 
300 
40 
Soft blue shale 
300 
315 
15 
Yellow sand 
315 
320 
5 
Conglomerate 
320 
385 
65 
Sandy blue shale 
385 
420 
35 
White limestone and gypsum 
420 
470 
50 
Sandy blue shale 
470 
510 
40 
Sticky blue shale 
510 
525 
15 
Sandy blue shale 
525 
545 
20 
White sandy limestone 
545 
575 
30 
Hard gray silty sand 
575 
605 
30 
Blue silty sand, streaks of shale 
605 
625 
20 
Gray limestone and gypsum 
625 
645 
20 
Gray sandy shale 
645 
665 
20 
Hard red sand and conglomerate 
665 
690 
25 
Gray sand 
690 
715 
25 
Lignite with streaks of sand 
715 
740 
25 
Gray shale 
740 
745 
5 
Tar sand 
745 
780 
35 
Sandy gray shale 
780 
787 
7 
Sticky gray shale 
787 
790 
3 
Gray sand 
790 
835 
45 
Brown sandy shale, streaks of sand 
835 
855 
20 
Brown shale, streaks of sand and gypsum 
855 
865 
10 
Sandy gray shale 
865 
880 
15 
Brown sandy shale 
880 
900 
20 
Sticky blue shell, streaks of sand 
900 
905 
5 
Brown shale » 
905 
930 
15 
Sticky blue shell 
930 
940 
10 
Brown shale 
940 
960 
20 
Brown sandy shale, streaks of tough shale 
960 
1,000 
40 
Gray sandy shale, streaks of coal 
1,000 
1,035 
35 
Sticky blue shale 
1,035 
1,045 
10 
Brown shale 
1 ,045 
1,050 
5 
Coal 
1,050 
1,100 
50 
Brown shale, streaks of sand and shell 
1,100 
1,115 
15 
Brown shale 
1,115 
1.160 
45 
Gray shale, streaks of sand and shell 
1,160 
1,195 
35 
Brown shale, streaks of sand and gypsum 
1.195 
1,220 
25 
Tough brown shale 
1,220 
1,250 
30 
Sticky blue shale 
1,250 
1,298 
45 
Sticky brown shale 
1.295 
1,330 
35 
Hard gray shale, streaks of sand 
1.330 
1,337 
7 
Gray sand and gravel 
1,337 
1,347 
10 
Gray sand and shale 
1,347 
1,375 
28 
Sticky blue shale, streaks of shale 
1.375 
1,660 
285 
Blue sandy shale, streaks of gypsum a: 
1,660 
1,680 
30 
Sticky blue shale 
1,680 
1 ,730 
50 
Sandy brown shale, streaks of gypsum 
1,730 
1,745 
15 
Sticky brown shale 
1,745 
1 ,760 
15 
Sandy brown shale 
1 ,760 
1,800 
40 
Sticky brown shale 
1,800 
1,825 
25 
Sandy brown shale with shells 
1,825 
1,835 
10 
Gray sandy shale 
1,835 
1 ,880 
45 
Brown shale 
1.880 
1.895 
15 
Brown sandy shale 
hard shale 
