WELL · 42-181-31358 · DISTRICT 9
Hudgins John #6
Grayson County · Preston (Davis Lower) field · Producing · Vertical
Hudgins John #6 (API 42-181-31358) is a well in Grayson County operated by Tatanka Operating LLC, completed December 10, 2001 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 1, 2001, permitted to 9,400 ft.
It was permitted by Black Oil Company, Inc. and has since transferred to Tatanka Operating LLC on the wellbore schedule.
Completion filings report 8 formation tops, including Gray Section, Gray Limestone, Baker Limestone, Baker Sandstone.
Its 2 leases have reported 633K barrels of oil and 5.07M mcf of gas since July 1998, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Black Oil Company, Inc.; 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 | Black Oil Company, Inc.Oct 1, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,400
- total depth, ft
- 1
- permits on file
- Oct 1, 2001
- last permit issued
- Dec 10, 2001
- completed
- 633K
- cumulative oil, bbl
- 5.07M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1998 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 10, 2001
- 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 2 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Hudgins, John G-13-187397 | Sherman (7500 Sand) | Tatanka Operating, LLC | 1 | 0 | 372K | Dec 2001 – Jul 2026 |
| Hudgins, John O-13-29593 | Preston (Davis, Lower) | Tatanka Operating, LLC | 4 | 633K | 4.7M | Jul 1998 – Jul 2026 |
Gas, mcf lease total
Last 12 months 22,152 · prior 12 19,794(+12%)
Oil, barrels lease total
Last 12 months 1,240 · prior 12 1,190(+4%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Black Oil Company, Inc.Jul 1998 → Jun 2010
- 2Atoka Operating, Inc.Jul 2010 → Aug 2023
- 3Tatanka Operating, LLCSep 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 511990-99 | Drill | Black Oil Company, Inc. | Jul 30, 2001 | Oct 1, 2001 | Oct 3, 2001 | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-187397 | — | — | — | — |
| — | — O-13-29593 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 815 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Gray Section | 7,676 | -6,861 |
| Gray Limestone | 7,784 | -6,969 |
| Baker Limestone | 8,152 | -7,337 |
| Baker Sandstone | 8,378 | -7,563 |
| Upper Davis Sandstone | 8,970 | -8,155 |
| Upr Davis Sandstone | 8,970 | -8,155 |
| Lower Davis Sandstone | 9,184 | -8,369 |
| LWR Davis Sandstone | 9,184 | -8,369 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,378 | 8,405 | Perforated |
| 9,184 | 9,248 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.75 | 2,150 | 12.25 | 550 S |
| 5.5 | 9,350 | 7.875 | 330 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 | May 16, 2002 | Jan 31, 2002 | — |
| 00 | Mar 12, 2002 | — | — |
| 00 | Feb 21, 2002 | Jan 31, 2002 | Yes |
| 00 | Feb 8, 2002 | — | — |
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 42-181-31358 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-181-31358 → 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/18131358, documented in the API reference.