WELL · 42-115-31473 · DISTRICT 8
Hancock A #1
Dawson County · Cmi (Spraberry) field · Vertical
Hancock A #1 (API 42-115-31473) is a plugged well in Dawson County, plugged December 28, 1995, last operated by R K Petroleum Corp..
The RRC has issued one drilling permit, issued January 23, 1981, permitted to 8,000 ft.
It was permitted by Challenger Minerals Inc. and has since transferred to R K Petroleum Corp. on the wellbore schedule.
Its lease has reported 114K barrels of oil and 8.74K mcf of gas since January 1993, last reporting in February 2022. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Challenger Minerals Inc.; the EWA schedule now lists a different operator.
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 | Endeavor Energy Resources L.P.through May 2020 |
| Latest permit | Challenger Minerals Inc.Jan 23, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 1
- permits on file
- Jan 23, 1981
- last permit issued
- Feb 5, 1981
- completed
- 114K
- cumulative oil, bbl
- 8.74K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 5, 1981
- Shut in
- —
- Plugged
- Dec 28, 1995
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; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cmi (Spraberry) Unit O-11-66543 | Cmi (Spraberry) | Endeavor Energy Resources L.P. | 7 | 114K | 8.74K | Jan 1993 – Feb 2022 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1R K Petroleum Corp.Jan 1993 → Apr 1997
- 2Stephens, Autry C.May 1997 → Aug 2000
- 3Endeavor Energy Resources L.P.Sep 2000 → May 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 106178-99 | Drill | Challenger Minerals Inc. | Jan 23, 1981 | Jan 23, 1981 | Jan 14, 1981 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-66543 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,800 | 7,804 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 455 | 17.5 | 400 S |
| 8.625 | 4,420 | 11 | 750 S |
| 2.375 | 7,729 | — | — |
| 5.5 | 7,908 | 7.875 | 650 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 | Aug 20, 1990 | Mar 23, 1981 | — |
| 00 | Aug 16, 1990 | — | — |
| 00 | Jan 12, 1984 | Mar 23, 1981 | — |
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 42-115-31473 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-31473 → 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/11531473, documented in the API reference.