There are currently a total of 76049 records in Geosam!
There are 38902 sites that have chip samples! (Total footage: 10045549.1')
Total number of samples: 1447882
There are 1734 sites that have core samples! (Total footage: ~467693.9')
There are 23132 sites that have only a drillers log - no samples
Average well depth for 69090 drilled holes: 244'
There are 3497 exposures (outcrop, quarry face or pit, and roadcut) catalogued! (Total footage: ~72211.07')
There is a total of 16977566.37 feet (3215 miles) of data information available.
There are 21997 scanned striplogs online!
There are 55122 pdfs of the drillers logs online!
Records received this year (2013): 458 (Total footage: 89601')
Total footage received Core: 658'
Total footage Chip samples (150 wells) cut: 5432'
Total footage Chip samples uncut: 4232'
Number of wells drilled in the 2010s: 3055
Number of wells drilled in the 2000s: 14213
Number of wells drilled in the 1990s: 12239
Number of wells drilled in the 1980s: 5353
Number of wells drilled in the 1970s: 6041
Number of wells drilled in the 1960s: 10977
Number of wells drilled in the 1950s: 7947
Number of wells drilled in the 1940s: 3175
Number of wells drilled in the 1930s: 994
Number of wells drilled in the 1920s: 339
Number of wells drilled in the 1910s: 230
Number of wells drilled in the 1900s: 142
Number of wells drilled in the 1800s: 96
There are 137 oil tests on file!
| Well type (with chip samples) |
Studied (count / footage) |
Unstudied (count / footage) |
|
| Bridge sounding | 0 / | 0 / | |
| Commercial | 506 / 295063 | 381 / 123578 | |
| Drainage | 0 / | 0 / | |
| Exploration (Other) | 1357 / 270171.6 | 789 / 228173 | |
| Gas storage | 270 / 289137 | 267 / 435985 | |
| Geotechnical | 0 / | 0 / | |
| Heat pump | 11 / 4291 | 111 / 33239 | |
| Irrigation | 37 / 12663 | 304 / 51898 | |
| Livestock | 128 / 43436 | 1165 / 301630 | |
| Mineral Exploration | 2 / 452 | 123 / 9019 | |
| Monitor | 37 / 8031 | 51 / 3282 | |
| Municipal | 1171 / 801193 | 634 / 194472.5 | |
| Oil Exploration | 116 / 226330 | 5 / 7444 | |
| Other | 1524 / 338795.6 | 1264 / 299126 | |
| Private | 10464 / 2372915 | 14329 / 3114466 | |
| Public access | 617 / 281460 | 508 / 157374.5 | |
| Rural Water District | 12 / 2284 | 100 / 6948 | |
| Stratigraphic | 1 / 264 | 4 / 2567 | |
| Structure | 1 / 2992 | 3 / 7849 | |
| Subdivision | 34 / 14805 | 56 / 16256 | |
| Test (water only) | 1194 / 143992 | 1433 / 142806 | |
| Unknown | 1693 / 327576 | 816 / 185219 |
Total footage of 38,902 wells with chip samples: 10,045,549
Total studied footage of 17,711 wells with chips: 5,068,707 (50%)
Total unstudied footage of 21,076 wells with chips samples: 4,954,143 (49%)