WELL · 42-317-35273 · DISTRICT 8
Ann Cole Trust #1
Martin County · RK (Strawn) field · Vertical
Ann Cole Trust #1 (API 42-317-35273) is a well in Martin County operated by R K Petroleum Corp., completed February 15, 2009.
The RRC has issued 2 drilling permits between 2008 and 2013, permitted to 12,100 ft.
Completion filings report 7 formation tops, including Yates, Clear Fork, Spraberry, U/Spraberry.
Its 2 leases have reported 156K barrels of oil and 181K mcf of gas since February 2009, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Nov 4, 2025 · 530 permits on file · (432) 215-6708
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | R K Petroleum Corp. |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | R K Petroleum Corp.Aug 16, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,100
- total depth, ft
- 2
- permits on file
- Aug 16, 2013
- last permit issued
- Feb 15, 2009
- completed
- 156K
- cumulative oil, bbl
- 181K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 15, 2009
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ann Cole Trust O-10-44407 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 85.8K | 115K | Sep 2013 – Jul 2026 |
| Ann Cole Trust O-10-39231 | RK (Strawn) | R K Petroleum Corp. | 1 | 70.1K | 66.7K | Feb 2009 – Jun 2015 |
Oil, barrels lease total
Last 12 months 3,079 · prior 12 3,487(-12%)
Gas, mcf lease total
Last 12 months 6,508 · prior 12 5,608(+16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1R K Petroleum Corp.Feb 2009 → Sep 2016
- 2QEP Energy CompanyOct 2016 → Sep 2021
- 3Diamondback E&P LLCOct 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 768000-99 | Recompletion | R K Petroleum Corp. | Aug 9, 2013 | Aug 16, 2013 | Aug 13, 2013 | 12,100 |
| 661713-99 | Drill | R K Petroleum Corp. | May 12, 2008 | Jun 3, 2008 | Oct 24, 2008 | 12,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-39231 | — | — | — | — |
| — | — O-10-44407 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,849 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,050 | 8,131 | Perforated |
| 8,430 | 8,593 | Perforated |
| 8,868 | 8,908 | Perforated |
| 9,024 | 9,098 | Perforated |
| 9,150 | 9,261 | Perforated |
| 9,302 | 9,385 | Perforated |
| 9,526 | 9,612 | Perforated |
| 9,758 | 9,829 | Perforated |
| 10,221 | 10,332 | Perforated |
| 10,470 | 10,576 | Perforated |
| 10,721 | 10,781 | Perforated |
| 10,722 | 10,781 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 335 | 17.5 | 385 S |
| 8.625 | 4,291 | 11 | 400 S |
| 4.5 | 11,960 | 7.875 | 755 S |
| 4.5 | 11,960 | — | 1,190 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 | Apr 22, 2014 | Nov 26, 2013 | Yes |
| 00 | May 5, 2009 | Mar 9, 2009 | Yes |
| 00 | Apr 16, 2009 | — | — |
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 42-317-35273 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-35273 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/31735273, documented in the API reference.