WELL · 42-445-31311 · DISTRICT 8
Prentice Northeast Unit #181H
Terry County · Prentice (6700) field · Horizontal · Sidetrack
Prentice Northeast Unit #181H (API 42-445-31311) is a plugged horizontal well in Terry County, plugged January 18, 2011, last operated by Highmark Energy Operating LLC.
The RRC has issued 2 drilling permits between 1985 and 1999, permitted to 6,750 ft.
It was permitted by Cross Timbers Operating Company and has since transferred to Highmark Energy Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including T. Rustler Anhydrite, T. Glorieta G-1, T. Glorietta G-1, T. Clearfork C-1.
Its lease has reported 27.6M barrels of oil and 6.52M mcf of gas since January 1993, last reporting in July 2026. The lease carries 621 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Cross Timbers Operating Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Dec 4, 2025 · 23 permits on file · (903) 876-2591
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Highmark Energy Operating LLC |
| Production reports | Highmark Energy Operating, LLCthrough Apr 2026 |
| Latest permit | Cross Timbers Operating CompanyAug 23, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,750
- total depth, ft
- 2
- permits on file
- Aug 23, 1999
- last permit issued
- Jan 14, 2000
- completed
- 27.6M
- cumulative oil, bbl
- 6.52M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 14, 2000
- Shut in
- —
- Plugged
- Jan 18, 2011
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 621 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Prentice Northeast Unit O-11-18607 | Prentice (6700) | Highmark Energy Operating, LLC | 621 | 27.6M | 6.52M | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 320,398 · prior 12 335,299(-4%)
Gas, mcf lease total
Last 12 months 98,957 · prior 12 96,724(+2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Amoco Production CompanyJan 1993 → Dec 1993
- 2Cross Timbers Operating CompanyJan 1994 → May 2001
- 3XTO Energy Inc.Jun 2001 → Dec 2021
- 4Highmark Energy Operating, LLCJan 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 486856-99 | Recompletion · sidetrack | Cross Timbers Operating Company | Aug 23, 1999 | Aug 23, 1999 | Sep 12, 1999 | 6,719 |
| 273157-99 | Drill | Amoco Production Company | Apr 17, 1985 | Apr 24, 1985 | Jun 2, 1985 | 6,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-18607 | — | — | — | — |
| — | — O-11-18607 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,535 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T. Rustler Anhydrite | 2,351 | 1,184 |
| T. Glorieta G-1 | 5,859 | -2,324 |
| T. Glorietta G-1 | 5,859 | -2,324 |
| T. Clearfork C-1 | 6,251 | -2,716 |
| T. Clearfork C-5 | 6,526 | -2,991 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,870 | 5,974 | Perforated |
| 6,255 | 6,734 | Open hole |
| 6,359 | 8,374 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,386 | 12.25 | 900 S |
| 7 | 6,248 | 8.75 | 1,750 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 | Jun 28, 2000 | Feb 9, 2000 | Yes |
| 00 | May 25, 2000 | — | — |
| 00 | Feb 24, 1986 | Feb 4, 1986 | Yes |
| 00 | Aug 15, 1985 | Jul 24, 1985 | — |
| 00 | Aug 9, 1985 | — | — |
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 42-445-31311 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-445-31311 → 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/44531311, documented in the API reference.