WELL · 42-383-01526 · DISTRICT 7
JO Ann #1
Reagan County · Spraberry (Trend Area CL. Fk.) field · Vertical
JO Ann #1 (API 42-383-01526) is a plugged well in Reagan County, plugged July 31, 2025, last operated by Diamondback E&P LLC.
The RRC has issued one drilling permit, issued March 4, 1999, permitted to 8,675 ft.
It was permitted by Energen Resources Corporation and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report one formation top, including Dean.
Its 3 leases have reported 54.2K barrels of oil and 75.2K mcf of gas since January 1993, last reporting in August 2025. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Energen Resources Corporation; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Energen Resources Corporationthrough Jan 2019 |
| Latest permit | Energen Resources CorporationMar 4, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,675
- total depth, ft
- 1
- permits on file
- Mar 4, 1999
- last permit issued
- May 9, 2019
- completed
- 54.2K
- cumulative oil, bbl
- 75.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2025
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 9, 2019
- Shut in
- —
- Plugged
- Jul 31, 2025
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| JO Ann O-9-14894 | Spraberry (Trend Area CL. Fk.) | Diamondback E&P LLC | 1 | 45.3K | 18.6K | Apr 1999 – Aug 2025 |
| JO Ann O-9-7098 | Calvin (Dean) | Energen Resources Corporation | 1 | 4.47K | 21.2K | Jan 1993 – Mar 2008 |
| JO Ann O-9-13919 | Spraberry (Trend Area) | Energen Resources Corporation | 1 | 4.44K | 35.4K | Nov 1995 – Sep 1999 |
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.
- 1BC Operating, Inc.Jan 1993 → Feb 1998
- 2Taurus Exploration U.S.A., Inc.Mar 1998 → Nov 1998
- 3Energen Resources CorporationDec 1998 → Jan 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 482642-99 | Recompletion | Energen Resources Corporation | Feb 8, 1999 | Mar 4, 1999 | Mar 23, 1999 | 8,675 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-7098 | — | — | — | — |
| — | — O-9-13919 | — | — | — | — |
| — | — O-9-14894 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,712 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Dean | 8,319 | -5,607 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,396 | 6,408 | Perforated |
| 8,343 | 8,575 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 339 | 13.75 | 300 S |
| 7 | 6,882 | 8.75 | 500 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 | Oct 9, 2023 | Sep 27, 2023 | — |
| 00 | Aug 9, 1999 | Jun 21, 1999 | — |
| 00 | Jun 25, 1999 | — | — |
| 00 | Dec 11, 1995 | Feb 16, 1977 | — |
| 00 | Jan 12, 1984 | Feb 16, 1977 | — |
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 42-383-01526 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-01526 → 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/38301526, documented in the API reference.