WELL · 42-357-31057 · DISTRICT 10
Harbaugh P. A. #43-131
Ochiltree County · Paul Harbaugh (Atoka Sand) field · Producing · Vertical
Harbaugh P. A. #43-131 (API 42-357-31057) is a well in Ochiltree County operated by Unbridled Resources LLC, completed December 13, 1980 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 30, 1980, permitted to 10,100 ft.
It was permitted by Alpar Resources, Inc. and has since transferred to Unbridled Resources LLC on the wellbore schedule.
Its lease has reported 130K barrels of oil and 278K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Alpar Resources, Inc.; the EWA schedule now lists a different operator.
- Based in
- Oklahoma City, OK
- P-5 status
- Active (A)
- P-5 last filed
- Dec 17, 2025
- Permits on file
- 6
- Phone
- (318) 751-3917
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unbridled Resources LLC |
| Production reports | Unbridled Resources, LLCthrough Apr 2026 |
| Latest permit | Alpar Resources, Inc.Sep 30, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,100
- total depth, ft
- 1
- permits on file
- Sep 30, 1980
- last permit issued
- Dec 13, 1980
- completed
- 130K
- cumulative oil, bbl
- 278K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 13, 1980
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Harbaugh, P. A. O-14-4768 | Paul Harbaugh (Atoka Sand) | Unbridled Resources, LLC | 1 | 130K | 278K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,629 · prior 12 2,827(-7%)
Gas, mcf lease total
Last 12 months 11,643 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Plains Petroleum Operating Co.Jan 1993 → Aug 1999
- 2Sapient Energy CorpSep 1999 → Jan 2002
- 3Chesapeake Operating, Inc.Feb 2002 → Oct 2014
- 4Chesapeake Operating, L.L.C.Nov 2014 → Jun 2016
- 54P Energy Texas, LLCJul 2016 → Oct 2020
- 6Unbridled Resources, LLCNov 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 94249-99 | Drill | Alpar Resources, Inc. | Sep 30, 1980 | Sep 30, 1980 | Oct 7, 1980 | 10,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-4768 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,751 | 8,769 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 40 | — | — |
| 8.625 | 2,195 | 12.25 | 1,700 S |
| 2.875 | 8,691 | — | — |
| 5.5 | 8,905 | 7.875 | 640 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 | Jan 12, 1984 | Apr 20, 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 42-357-31057 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-357-31057 → 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/35731057, documented in the API reference.