Geosam database statistics

There are currently a total of 77125 records in Geosam!

There are 39204 sites that have chip samples! (Total footage: 10137909.1')
Total number of samples: 1465431

There are 1745 sites that have core samples! (Total footage: ~468484.7')

There are 23860 sites that have only a drillers log - no samples

Average well depth for 70134 drilled holes: 244'

There are 3499 exposures (outcrop, quarry face or pit, and roadcut) catalogued! (Total footage: ~72310.07')

There is a total of 17219537.67 feet (3261 miles) of data information available.

There are 22149 scanned striplogs online!
There are 59766 pdfs of the drillers logs online!

Records received this year (2014): 138 (Total footage: 33868')
    Total footage Chip samples (112 wells) cut: 4871'
    Total footage Chip samples uncut: 4128'

Number of wells drilled in the 2010s: 3865
Number of wells drilled in the 2000s: 14223
Number of wells drilled in the 1990s: 12238
Number of wells drilled in the 1980s: 5354
Number of wells drilled in the 1970s: 6057
Number of wells drilled in the 1960s: 11030
Number of wells drilled in the 1950s: 8004
Number of wells drilled in the 1940s: 3263
Number of wells drilled in the 1930s: 1001
Number of wells drilled in the 1920s: 339
Number of wells drilled in the 1910s: 230
Number of wells drilled in the 1900s: 143
Number of wells drilled in the 1800s: 95

There are 137 oil tests on file!

  Well type
(with chip samples)
Studied
(count / footage)
Unstudied
(count / footage)
  Bridge sounding 0 / 0 /
  Commercial 518 / 300500 369 / 118146
  Drainage 0 / 0 /
  Exploration (Other) 1369 / 278138.6 777 / 220206
  Gas storage 273 / 295085 265 / 433967
  Geotechnical 0 / 0 /
  Heat pump 15 / 5051 108 / 32679
  Irrigation 40 / 13368 303 / 53553
  Livestock 128 / 43436 1176 / 304085
  Mineral Exploration 2 / 452 123 / 9019
  Monitor 37 / 8031 51 / 3282
  Municipal 1179 / 804926 632 / 194303.5
  Oil Exploration 116 / 226330 5 / 7444
  Other 1539 / 347618.6 1249 / 289876
  Private 10570 / 2391314 14257 / 3104387
  Public access 625 / 284497.5 502 / 154737
  Rural Water District 12 / 2284 100 / 6948
  Stratigraphic 1 / 264 4 / 2567
  Structure 3 / 9046 1 / 1795
  Subdivision 39 / 16900 51 / 14161
  Test (water only) 1195 / 145739 1435 / 143428
  Unknown 1695 / 327847 811 / 184903

Total footage of 39,204 wells with chip samples: 10,137,909
Total studied footage of 17,878 wells with chips: 5,118,692 (50%)
Total unstudied footage of 20,964 wells with chips samples: 4,927,163 (49%)