# Well grid 41-12, Texas — Comanche, Eastland — how deep, and through what

> 160 well reports in Texas state well grid 41-12, covering Comanche, Eastland. Median depth 191 ft.

## Texas well grid 41-12

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Comanche County](/county/comanche.md) and [Eastland County](/county/eastland.md). **160** reports, median depth **191 ft**.

### What you will drill through in grid 41-12

*Logged in state well grid 41-12, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Black Clay** 46 , **Clay** 32 , **Calache** 27 , **Sand** 23 , **Calache And Rock Ledges** 19 , **Sandy Clay** 14 |
| 25–50 ft | **Sand** 19 , **Rock** 12 , **Grey Shale And Rock Ledges** 11 , **Clay** 9 , **Gray Shale And Rock Ledges** 9 , **Water Sand** 8 |
| 50–100 ft | **Rock** 24 , **Sand** 22 , **Grey Shale And Rock Ledges** 19 , **Water Sand** 18 , **Red Bed** 15 , **Gray Shale And Rock Ledges** 12 |
| 100–200 ft | **Red Bed** 32 , **Rock** 27 , **Water Sand** 20 , **Sand** 22 , **Red Bed And Rock Ledges** 20 , **Red Clay** 18 |
| 200–300 ft | **Red Bed** 14 , **Water Sand** 11 , **Rock** 12 , **Rock Ledges** 10 , **Shale** 11 , **Yellow Shale** 11 |
| 300–500 ft | **Yellow Shale** 3 , **Shale** 2 , **Yellow Clay** 2 , **Light Blue Clay & Sand*** 1 , **Brown, Blue & Red Clays** 1 , **Light Blue Shale And Sand *** 1 |

### Who drills here

*Licensed firms in state well grid 41-12, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Harris Drilling Company, Inc.](/driller/harris-drilling-company-inc.md) | 80 | 189 | 30 | 2002–2018 |
| [F&F Drilling](/driller/f-f-drilling.md) | 25 | 200 | 50 | 2004–2026 |
| [SIMMONS WATER WELL SERVICE](/driller/simmons-water-well-service.md) | 19 | 180 | — | 2021–2025 |
| [Associated Well Services, Inc.](/driller/associated-well-services-inc.md) | 14 | 219 | 30 | 2018–2024 |
| [Associated Services](/driller/associated-services.md) | 6 | 179 | 40 | 2004–2008 |
| [Spencer's Water Well Service](/driller/spencer-s-water-well-service.md) | 3 | 193 | 35 | 2013–2021 |
| [Michael Gilliam Consultant Services](/driller/michael-gilliam-consultant-services.md) | 3 | 317 | 15 | 2021 |
| [Jones Drilling Inc.](/driller/jones-drilling-inc.md) | 3 | 190 | 15 | 2014–2016 |
| [Dowell Well Service](/driller/dowell-well-service.md) | 2 | 195 | 25 | 2017–2020 |
| [GAP DRILLING & SERIVICE](/driller/gap-drilling-serivice.md) | 1 | 120 | — | 2025 |
| [HAD Drilling Co.](/driller/had-drilling-co.md) | 1 | 340 | 20 | 2019 |
| [Dalton Drilling & Service](/driller/dalton-drilling-service.md) | 1 | 195 | 65 | 2020 |
| David N. Jones | 1 | 180 | 100 | 2008 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 97 | 60.6% | 189 |
| Stock | 42 | 26.2% | 194 |
| Irrigation | 18 | 11.2% | 200 |
| Other | 2 | 1.2% | 320 |
| Rig Supply | 1 | 0.6% | 370 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 58 | 189 | 83 |
| 2010s | 55 | 195 | 67 |
| 2020s | 47 | 190 | 74 |

### The deepest reports on file

*Deepest reports in state well grid 41-12. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 441222 | 2016 | 460 | 240 | 10 | Stock |
| 122601 | 2007 | 370 | 188 | 50 | Rig Supply |
| 678022 | 2024 | 360 | — | — | Domestic |
| 591221 | 2019 | 340 | 72 | 20 | Domestic |
| 102086 | 2007 | 331 | 180 | — | Stock |
| 144848 | 2008 | 330 | 234 | 30 | Stock |
| 577293 | 2021 | 328 | 178 | 15 | Stock |
| 507983 | 2019 | 320 | 230 | 25 | Other |
| 577707 | 2021 | 317 | 175 | 15 | Stock |
| 483785 | 2018 | 316 | 176 | 12 | Stock |

Every figure here comes from a report a licensed driller filed on the day the work ended — sometimes decades ago. It describes what was found then, not what a well yields today, and it is not a statement that any well is sound, potable or still in use.

### Drilling a well near grid 41-12?

Depth is only half the quote. What it costs depends on the rock, the casing and the pump. Tell us where and we pass the request to licensed Texas drillers.

We are nobody's agent and have no arrangement with any firm today. [What we do with this](/privacy.md).

This grid falls in [Comanche County](/county/comanche.md), [Eastland County](/county/eastland.md).

### Grids with a comparable number of reports

- [45-32](/area/45-32.md)
- [59-43](/area/59-43.md)
- [65-02](/area/65-02.md)
- [67-20](/area/67-20.md)
- [80-18](/area/80-18.md)
- [05-19](/area/05-19.md)
- [21-36](/area/21-36.md)
- [67-22](/area/67-22.md)
- [67-57](/area/67-57.md)
- [67-63](/area/67-63.md)
- [16-62](/area/16-62.md)
- [34-15](/area/34-15.md)
- [37-42](/area/37-42.md)

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Página: https://texas-water-wells.pages.dev/area/41-12/
Fonte: Texas Submitted Driller's Report Database — Texas Water Development Board, from reports filed with the Texas Department of Licensing and Regulation
Recolha: 2026-08-23