WELL · 42-003-35918 · DISTRICT 8
University 155 #F 9
Andrews County · Shafter Lake (Devonian) field · Vertical
University 155 #F 9 (API 42-003-35918) is a well in Andrews County operated by Highmark Energy Operating LLC, completed November 19, 1987.
The RRC has issued one drilling permit, issued September 14, 1987, permitted to 9,950 ft.
It was permitted by Arco Oil & Gas CO. and has since transferred to Highmark Energy Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Yates, San Andres, Glorieta, Woodford.
Its 2 leases have reported 1.16M barrels of oil and 803K mcf of gas since January 1993, last reporting in July 2026. The leases carry 23 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Arco Oil & Gas Co.; 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 | Arco Oil & Gas Co.Sep 14, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,950
- total depth, ft
- 1
- permits on file
- Sep 14, 1987
- last permit issued
- Nov 19, 1987
- completed
- 1.16M
- cumulative oil, bbl
- 803K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 19, 1987
- 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 2 leases this well is completed on; they carry 23 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| University 141A ,173 O-10-5504 | Shafter Lake (Devonian) | Highmark Energy Operating, LLC | 15 | 541K | 315K | Jan 1993 – Jul 2026 |
| University 155 O-10-33626 | Shafter Lake (Devonian) | Highmark Energy Operating, LLC | 8 | 619K | 487K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 6,311 · prior 12 6,333(0%)
Gas, mcf lease total
Last 12 months 134 · prior 12 749(-82%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Henry Petroleum Corp.Jan 1993 → Mar 2001
- 2Henry Petroleum LPApr 2001 → Dec 2008
- 3COG Operating LLCJan 2009 → Dec 2012
- 4Legacy Reserves Operating LPJan 2013 → Feb 2023
- 5Highmark Energy Operating, LLCMar 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 335944-99 | Drill | Arco Oil & Gas Co. | Sep 14, 1987 | Sep 14, 1987 | — | 9,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-5504 | — | — | — | — |
| — | — O-10-33626 | — | — | — | — |
| — | — O-10-33626 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,230 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,939 | 291 |
| San Andres | 4,463 | -1,233 |
| Glorieta | 5,750 | -2,520 |
| Woodford | 9,189 | -5,959 |
| Devonian | 9,315 | -6,085 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,511 | 9,526 | Perforated |
| 9,552 | 9,559 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 380 | 17.5 | 400 S |
| 9.625 | 4,300 | 12.25 | 2,350 S |
| 7 | 9,900 | 8.75 | 1,350 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 | Sep 26, 1994 | Dec 10, 1987 | — |
| 00 | Dec 8, 1992 | Dec 10, 1987 | — |
| 00 | Dec 28, 1987 | Dec 10, 1987 | — |
| 00 | Dec 24, 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 42-003-35918 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-35918 → 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/00335918, documented in the API reference.