WELL · 42-125-31002 · DISTRICT 8
Trifecta (Tannehill-B-) Unit #301
Dickens County · Vertical
Trifecta (Tannehill-B-) Unit #301 (API 42-125-31002) is a permitted well in Dickens County filed by Chisholm Operating, Inc.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 2005 and 2011, permitted to 5,999 ft.
Completion filings report 5 formation tops, including Stockwether, Stockwether Lm, Croton Lime, Croton Lm.
Its 2 leases have reported 277K barrels of oil and 7.95K mcf of gas since September 2005, last reporting in July 2026. The leases carry 12 wells, so these are lease totals, not this well alone.
Operator of record
Abilene, TX · P-5 Y, filed Jul 4, 2026 · 194 permits on file · (325) 668-6166
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Chisholm Operating, Inc.through Apr 2026 |
| Latest permit | Chisholm Operating, Inc.Sep 2, 2011 |
- 5,999
- total depth, ft
- 2
- permits on file
- Sep 2, 2011
- last permit issued
- —
- completed
- 277K
- cumulative oil, bbl
- 7.95K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 12 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Williams-Maben O-11-68836 | Trifecta (Croton Lime) | Chisholm Operating, Inc. | 1 | 18.9K | 7.95K | Sep 2005 – Jul 2026 |
| Trifecta (Tannehill "B") Unit O-11-69557 | Trifecta (Tannehill) | Chisholm Operating, Inc. | 11 | 258K | 0 | Aug 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,612 · prior 12 5,067(-48%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chisholm Operating, Inc.Sep 2005 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 723107-99 | Recompletion | Chisholm Operating, Inc. | Aug 25, 2011 | Sep 2, 2011 | Jun 13, 2011 | 5,320 |
| 605348-99 | Drill | Chisholm Operating, Inc. | Aug 23, 2005 | Aug 23, 2005 | Sep 6, 2005 | 5,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-68836 | — | — | — | — |
| — | — O-11-69557 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,363 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,054 | 5,070 | Perforated |
| 5,134 | 5,137 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 251 | 17.5 | 220 S |
| 8.625 | 1,534 | 11 | 150 S |
| 5.5 | 5,319 | 7.875 | 220 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 | Mar 30, 2012 | Sep 6, 2011 | — |
| 00 | Feb 8, 2006 | Sep 29, 2005 | Yes |
| 00 | Nov 29, 2005 | — | — |
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 42-125-31002 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-125-31002 → 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/12531002, documented in the API reference.