TEXAS · WELLS · GONZALES COUNTY · BILLINGS-GERHART UNIT LEASE · API 42-177-31919 · DISTRICT 01
Billings-Gerhart Unit #1
Gonzales County · First Shot (Austin Chalk) field · Horizontal
Billings-Gerhart Unit #1 (API 42-177-31919) is a plugged horizontal well in Gonzales County, plugged August 17, 2017, last operated by Endeavor Energy Resources L.P..
The RRC has issued one drilling permit, issued May 17, 1991, permitted to 13,600 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Endeavor Energy Resources L.P. on the wellbore schedule.
Completion filings report 5 formation tops, including Midway, Navarro, Olmos, Anacacho.
Its lease has reported 17K barrels of oil and 21.6K mcf of gas since January 1993, last reporting in January 2018.
Operator of record
Endeavor Energy Resources L.P.
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 12, 2026
- Permits on file
- 6,190
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Energy Resources L.P. |
| Production reports | Sabre Operating, Inc.through Jul 1996 |
| Latest permit | Union Pacific Resources CompanyMay 17, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,600
- total depth, ft
- 1
- permits on file
- May 17, 1991
- last permit issued
- Aug 26, 1991
- completed
- 17K
- cumulative oil, bbl
- 21.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2018
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 26, 1991
- Shut in
- —
- Plugged
- Aug 17, 2017
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 |
|---|---|---|---|---|---|---|
| Billings-Gerhart Unit O-1-13255 | First Shot (Austin Chalk) | Endeavor Energy Resources L.P. | 1 | 17K | 21.6K | Jan 1993 – Jan 2018 |
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.
- 1Union Pacific Resources CompanyJan 1993 → Mar 1993
- 2Torch Operating CompanyApr 1993 → Nov 1994
- 3Sabre Operating, Inc.Dec 1994 → Jul 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 388056-99 | Drill | Union Pacific Resources Company | May 17, 1991 | May 17, 1991 | Jul 6, 1991 | 13,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 26, 1991 | Billings-Gerhart Unit O-1-13255 | First Shot (Austin Chalk) | Endeavor Energy Resources L.P. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 255 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 6,315 | -6,060 |
| Navarro | 7,065 | -6,810 |
| Olmos | 7,795 | -7,540 |
| Anacacho | 8,665 | -8,410 |
| Austin Chalk | 9,030 | -8,775 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,108 | 12,697 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,000 | 14.75 | 820 S |
| 7.625 | 9,108 | 9.875 | 230 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 21, 1991 | Sep 9, 1991 | Yes |
| 00 | Oct 16, 1991 | — | — |
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 42-177-31919 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-31919 → 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/17731919, documented in the API reference.