Sources and coverage
Where every answer comes from
Each tool reads small data files published with this site. They were built on October 7, 2026 from the sources below, and each answer repeats the dates that apply to it.
Production records (lease check)
- Well records
- Our copy of Enverus well records, compiled from operator reports to the Railroad Commission of Texas. Updated through September 30, 2026; newest production month July 2026. One row per well with production reported since January 2000.
- Lease-level records (second source)
- Our copy of Enverus production headers, one row per reporting lease or gas well, saved June 30, 2026, newest production month April 2026. Used to check each answer.
- Railroad Commission map (third source)
- The Commission's public GIS well layer, read October 7, 2026: the map symbol of each well.
How we chose the counties
A county is offered when (1) at least 95 percent of the wells the Commission's map shows as producing (oil, gas, or oil and gas well symbols) are in our well records, and (2) for at least 99 percent of the leases and gas wells in the older lease-level copy, that copy's last month is not later than the newest month of its wells. A later month in the older copy would be a contradiction; an earlier one is expected when a well was reworked or moved to a new lease.
| County | Producing wells on the RRC map | Found in our copy | Percent found | Leases and gas wells compared | Percent with no contradiction |
|---|---|---|---|---|---|
| Panola | 6,155 | 5,970 | 96.9 | 6,564 | 99.8 |
| Harrison | 3,246 | 3,144 | 96.8 | 3,255 | 99.9 |
| Nacogdoches | 1,649 | 1,596 | 96.7 | 1,540 | 99.8 |
| Shelby | 817 | 794 | 97.1 | 853 | 99.8 |
| Smith | 1,089 | 1,036 | 95.1 | 934 | 99.8 |
| Cherokee | 661 | 639 | 96.6 | 586 | 99.8 |
| Freestone | 3,203 | 3,149 | 98.3 | 2,864 | 99.9 |
| Leon | 1,014 | 976 | 96.2 | 882 | 99.4 |
| Robertson | 1,286 | 1,277 | 99.3 | 1,116 | 100.0 |
| Limestone | 1,279 | 1,236 | 96.6 | 1,227 | 100.0 |
Percentages are rounded down, so a county with even one contradiction never shows 100.0.
Measured and not offered yet
- Rusk: 93.1 percent of producing wells found
- Gregg: 93.0 percent of producing wells found
- Upshur: 94.6 percent of producing wells found
- Anderson: 74.2 percent of producing wells found
- Wood: 80.6 percent of producing wells found
- San Augustine: 98.5 percent of producing wells found (meets the bar; held for the next group of counties)
Survey abstracts (abstract finder)
305,840 abstracts in 254 counties, drawn August 31, 2026 by Our Landmen LLC from the Railroad Commission's survey map layer, with town names from the Census Bureau's 2025 TIGER/Line files. For 246 counties the map holds the same number of abstracts as the Commission survey records it was drawn from; the other 8 (Anderson, Cherokee, Freestone, Houston, Leon, Madison, Rains and Robertson) were drawn from an earlier copy of the same layer that has no separate record count to compare. In 6 counties the layer covers less than 85 percent of the land (Andrews (69.6 percent), Aransas (75.9 percent), Crockett (79.4 percent), Hudspeth (75.5 percent), Reagan (71.2 percent), Ward (84.5 percent)); for 9 counties that share was not measured (Anderson, Cherokee, Freestone, Houston, Leon, Limestone, Madison, Rains and Robertson). In 7 counties some abstract numbers have an unreadable digit, shown with a "?": Anderson (26), Cherokee (37), Freestone (17), Houston (50), Madison (18), Rains (12) and Robertson (12).
Royalty stub check
No outside data. It does arithmetic on the numbers you type and nothing leaves your browser.
Rules every answer follows
- A search that finds nothing says "not found in our copy", with the size and date of the copy and its measured coverage. A miss is never reported as proof that nothing is producing or that an abstract does not exist.
- No count smaller than 5 is published as a statistic. Single public records, such as one lease's reported production, are shown as records.
- Operators are named as they report themselves. We do not comment on any company.
- No values, prices or offer amounts appear anywhere on this site.
- Public records only. No private client or brokerage data is used.
After the answer: two separate next steps
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