WELL · 42-135-35368 · DISTRICT 8
North Penwell Unit #179
Ector County · Penwell field · Vertical
North Penwell Unit #179 (API 42-135-35368) is a well in Ector County operated by Ring Energy Inc., completed July 14, 1988.
The RRC has issued one drilling permit, issued December 4, 1986, permitted to 4,100 ft.
It was permitted by Phillips Petroleum Company and has since transferred to Ring Energy Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Chinle, Santa Rosa, Rustler, Yates.
Its lease has reported 7.31M barrels of oil and 4.24M mcf of gas since January 1993, last reporting in July 2026. The lease carries 282 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 523K barrels injected in the 12 months reported through October 2025.
Operator of record
Permitted by Phillips Petroleum Company; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Nov 4, 2025 · 997 permits on file · (855) 214-5188
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ring Energy Inc. |
| Production reports | Ring Energy, Inc.through Apr 2026 |
| Latest permit | Phillips Petroleum CompanyDec 4, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,100
- total depth, ft
- 1
- permits on file
- Dec 4, 1986
- last permit issued
- Jul 14, 1988
- completed
- 7.31M
- cumulative oil, bbl
- 4.24M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 14, 1988
- 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 lease this well is completed on; they carry 282 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| North Penwell Unit O-10-21556 | Penwell | Ring Energy, Inc. | 282 | 7.31M | 4.24M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 15,022 · prior 12 28,936(-48%)
Gas, mcf lease total
Last 12 months 21,112 · prior 12 14,505(+46%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Phillips Petroleum CompanyJan 1993 → Dec 2002
- 2Conocophillips CompanyJan 2003 → Feb 2019
- 3Founders Oil & Gas Operating,llcMar 2019 → Jul 2023
- 4Ring Energy, Inc.Aug 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 323768-99 | Drill | Phillips Petroleum Company | Dec 1, 1986 | Dec 4, 1986 | Feb 3, 1987 | 4,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-21556 | — | — | — | — |
| — | — O-10-21556 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,921 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Chinle | 85 | 2,836 |
| Santa Rosa | 527 | 2,394 |
| Santa RosaBASE OF SANTA ROSA | 740 | 2,181 |
| Santa RosaBASE SANTA ROSA | 740 | 2,181 |
| Rustler | 963 | 1,958 |
| Yates | 2,160 | 761 |
| San Andres | 3,480 | -559 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,552 | 3,660 | Perforated |
| 3,768 | 3,797 | Perforated |
| 3,808 | 3,887 | Perforated |
| 3,820 | 3,854 | Perforated |
| 3,902 | 3,924 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 960 | 12.25 | 700 S |
| 5.5 | 3,998 | 7.875 | 550 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 | Feb 3, 1995 | Nov 8, 1994 | — |
| 00 | Dec 13, 1994 | Sep 12, 1988 | — |
| 00 | Oct 3, 1988 | Sep 12, 1988 | — |
| 00 | Mar 27, 1987 | Mar 9, 1987 | Yes |
| 00 | Mar 17, 1987 | — | — |
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 42-135-35368 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-35368 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 523K
- bbl, last 12 reported months
- 2.84M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000080312 | H-1 Injection | Active | 1,500 | 1,400 | 3,400–4,800 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 522,798 · prior 12 368,213(+42%)
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/13535368, documented in the API reference.