There are currently a total of 68234 records in Geosam!
There are 37978 sites that have chip samples! (Total footage: 9774836')
Total number of samples: 1407121
There are 1635 sites that have core samples! (Total footage: ~448539.98')
There are 19664 sites that have only a drillers log - no samples
Average well depth for 64028 drilled holes: 247'
There are 1266 exposures (outcrop, quarry face or pit, and roadcut) catalogued! (Total footage: ~25159')
There is a total of 15898349.28 feet (3011 miles) of data information available.
There are 21393 scanned striplogs online!
There are 32417 pdfs of the drillers logs online!
Records received this year (2009): 1263 (Total footage: 292184')
Total footage received Core: 130'
Total footage Chip samples (839 wells) cut: 33373'
Total footage Chip samples uncut: 19980'
Number of wells drilled in the 2000s: 13654
Number of wells drilled in the 1990s: 12183
Number of wells drilled in the 1980s: 5090
Number of wells drilled in the 1970s: 5980
Number of wells drilled in the 1960s: 10965
Number of wells drilled in the 1950s: 7862
Number of wells drilled in the 1940s: 3087
Number of wells drilled in the 1930s: 966
Number of wells drilled in the 1920s: 290
Number of wells drilled in the 1910s: 230
Number of wells drilled in the 1900s: 141
Number of wells drilled in the 1800s: 96
There are 134 oil tests on file!
| Well type (with chip samples) |
Studied (count / footage) |
Unstudied (count / footage) |
|
| Bridge sounding | 0 / | 0 / | |
| Commercial | 490 / 279977 | 379 / 131808 | |
| Drainage | 0 / | 0 / | |
| Exploration (Other) | 1351 / 264093 | 792 / 225017 | |
| Gas storage | 245 / 262540 | 290 / 457687 | |
| Geotechnical | 0 / | 0 / | |
| Heat pump | 1 / 310 | 34 / 10133 | |
| Irrigation | 26 / 6349 | 293 / 51748 | |
| Livestock | 111 / 36141 | 1144 / 297822 | |
| Mineral Exploration | 2 / 452 | 123 / 9019 | |
| Monitor | 36 / 7271 | 51 / 3992 | |
| Municipal | 1081 / 773484 | 684 / 203049.5 | |
| Oil Exploration | 115 / 225759 | 6 / 8015 | |
| Other | 1515 / 330112 | 1269 / 296208 | |
| Private | 10324 / 2332034 | 14033 / 3042105 | |
| Public access | 579 / 257401 | 473 / 151403.5 | |
| Rural Water District | 11 / 1844 | 101 / 7388 | |
| Stratigraphic | 1 / 264 | 4 / 2567 | |
| Structure | 0 / | 1 / 1795 | |
| Subdivision | 27 / 9700 | 51 / 14909 | |
| Test (water only) | 1186 / 139875 | 1420 / 139939 | |
| Unknown | 1679 / 319742 | 821 / 188910 |
Total footage of 37,978 wells with chip samples: 9,774,836
Total studied footage of 17,315 wells with chips: 4,904,635 (50%)
Total unstudied footage of 20,663 wells with chips samples: 4,870,201 (50%)