3,269 wells on file. Open this county on the map.
Production is reported to us by state regulators. New Mexico and New York report per wellbore. Texas and Kansas report per lease, so for those states a well-level figure is exact only where the lease has a single wellbore; otherwise it is the lease total divided across its wellbores. 873 of 3,269 wells here have production on file. Full methodology and sources.
Depth range is measured from the wells on file, not a regional average.
| Formation | Wells | Producing | Shallowest | Average | Deepest | Cumulative |
|---|---|---|---|---|---|---|
| Markham | 187 | 13 | 900 ft | 3,687 ft | 7,360 ft | 634.2k BOE |
| Old Ocean (armstrong) | 42 | 0 | 10,000 ft | 10,973 ft | 16,027 ft | 9.9k BOE |
| Blessing (f-14-B) | 41 | 0 | 2,750 ft | 7,336 ft | 8,313 ft | — |
| Blessing (f-15) | 32 | 0 | 8,244 ft | 8,272 ft | 8,300 ft | — |
| Midfields | 24 | 0 | 2,790 ft | 2,790 ft | 2,790 ft | 49.0k BOE |
| Markham N.-Bay City N (mcdonald) | 23 | 0 | 8,476 ft | 8,668 ft | 9,202 ft | 75.1k BOE |
| Hamman | 20 | 8 | 2,200 ft | 8,484 ft | 10,250 ft | 170.3k BOE |
| Palacios (frio -E-) | 18 | 0 | 9,150 ft | 9,150 ft | 9,150 ft | 29.9k BOE |
| Sugar Valley N. (union) | 18 | 0 | 8,902 ft | 8,994 ft | 9,085 ft | 10.4k BOE |
| Markham N.-Bay City N(cornelius) | 16 | 0 | 7,840 ft | 8,950 ft | 14,268 ft | 990.9k BOE |
| Sugar Valley N. (hurlock) | 16 | 0 | 9,060 ft | 10,224 ft | 11,387 ft | 9.3k BOE |
| Markham N.-Bay City N (carlson) | 14 | 1 | 6,946 ft | 7,440 ft | 8,612 ft | 305.8k BOE |
| Potthast (middle Tex Miss) | 14 | 9 | 10,303 ft | 11,752 ft | 12,501 ft | 3.1 million BOE |
| Pheasant Sw. (8150 B-1) | 13 | 0 | 8,168 ft | 8,168 ft | 8,168 ft | 113.2k BOE |
| Sugar Valley N. (robertson) | 13 | 1 | 2,000 ft | 7,720 ft | 9,171 ft | 11.7k BOE |
| Bucks Bayou (frio Tex 2) | 12 | 7 | 13,476 ft | 13,557 ft | 13,700 ft | 4 million BOE |
| Bay City (8200 Frio) | 11 | 0 | 8,550 ft | 8,550 ft | 8,550 ft | 66.1k BOE |
| Hamman East (11 200 Frio) | 11 | 2 | 11,401 ft | 11,516 ft | 11,650 ft | 1.3 million BOE |
| Markham N.-Bay City N (cayce) | 11 | 0 | 5,600 ft | 8,052 ft | 8,944 ft | 607.5k BOE |
| Matagorda Bay S (miocene 4100) | 11 | 0 | — | — | — | 20.5k BOE |
| Sugar Valley (truitt) | 11 | 1 | 11,200 ft | 11,200 ft | 11,200 ft | 26.9k BOE |
| Pheasant (simpson) | 10 | 0 | — | — | — | 226.3k BOE |
| Silverspoon (tex Sa1 Sand) | 10 | 2 | 15,450 ft | 16,955 ft | 19,600 ft | 7.4 million BOE |
| Wadsworth | 10 | 0 | — | — | — | — |
| Bay City (7500 Frio) | 8 | 0 | 7,488 ft | 7,488 ft | 7,488 ft | 278.5k BOE |
| Grand Slam (claughton) | 8 | 2 | 14,505 ft | 14,801 ft | 15,094 ft | 4.5 million BOE |
| Mellon (10500) | 8 | 0 | 10,576 ft | 10,711 ft | 10,950 ft | 719.1k BOE |
| Sugar Valley (gravier) | 8 | 1 | 10,231 ft | 10,231 ft | 10,231 ft | 160.4k BOE |
| Wadsworth South (tex-Miss) | 8 | 0 | 13,947 ft | 14,430 ft | 14,970 ft | 1.9 million BOE |
| Ashby (9000) | 7 | 0 | 9,511 ft | 9,586 ft | 9,625 ft | 479.9k BOE |
| Bay City East (10 000 B) | 7 | 1 | 10,213 ft | 10,282 ft | 10,350 ft | 245.7k BOE |
| Bay City East (10 200 B) | 7 | 0 | 10,100 ft | 10,219 ft | 10,337 ft | 76.8k BOE |
| Blessing (f- 3) | 7 | 0 | 6,980 ft | 7,754 ft | 8,483 ft | 209.2k BOE |
| Coconut (anomalina 4) | 7 | 4 | 12,227 ft | 12,545 ft | 12,780 ft | 7.2 million BOE |
| Collegeport (2900) | 7 | 1 | 3,510 ft | 3,510 ft | 3,510 ft | 89.3k BOE |
| Collegeport (6) | 7 | 0 | — | — | — | 67.5k BOE |
| Pheasant (nelson) | 7 | 0 | 12,000 ft | 12,000 ft | 12,000 ft | 28.1k BOE |
| Sugar Valley N. (laurence) | 7 | 1 | 2,003 ft | 5,786 ft | 9,080 ft | 181.4k BOE |
| Sugar Valley (talcott A) | 7 | 0 | — | — | — | 3.3k BOE |
| Bay City (7900 Frio) | 6 | 0 | 7,970 ft | 8,310 ft | 8,511 ft | 184.3k BOE |
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