WELL · 42-181-31557 · DISTRICT 9
William #1H
Grayson County · Big Mineral Creek (Viola) field · Producing · Horizontal
William #1H (API 42-181-31557) is a horizontal well in Grayson County operated by Tatanka Operating LLC, completed August 5, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued August 11, 2014, permitted to 11,500 ft.
It was permitted by Payson Operating, LLC and has since transferred to Tatanka Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Baker Sand, Barnes Sand, Bruhlmeyer, Carraway Sand.
Its lease has reported 113K barrels of oil and 276K mcf of gas since August 2015, last reporting in July 2026.
Operator of record
Permitted by Payson Operating, LLC; the EWA schedule now lists a different operator.
Whitesboro, TX · P-5 Y, filed May 4, 2026 · (940) 736-3129
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Tatanka Operating LLC |
| Production reports | Tatanka Operating, LLCthrough Apr 2026 |
| Latest permit | Payson Operating, LLCAug 11, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 2
- permits on file
- Aug 11, 2014
- last permit issued
- Aug 5, 2015
- completed
- 113K
- cumulative oil, bbl
- 276K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 5, 2015
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| William O-13-33299 | Big Mineral Creek (Viola) | Tatanka Operating, LLC | 1 | 113K | 276K | Aug 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,778 · prior 12 2,959(-6%)
Gas, mcf lease total
Last 12 months 11,242 · prior 12 13,756(-18%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Payson Operating, LLCAug 2015 → Mar 2018
- 2Tatanka Operating, LLCApr 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 790875-98 | Drill | Payson Operating, LLC | Aug 13, 2014 | Aug 11, 2014 | Dec 3, 2014 | 11,500 |
| 790875-99 | Drill | Payson Operating, LLC | Jul 2, 2014 | Aug 11, 2014 | — | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-33299 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 690 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,345 | 15,050 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,488 | 12.25 | 575 S |
| 7 | 10,304 | 8.75 | 2,200 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Oct 16, 2015 | Sep 11, 2015 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-181-31557 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-181-31557 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/18131557, documented in the API reference.