WELL · 42-431-31959 · DISTRICT 7
Horwood F. L. H. #1
Sterling County · Probandt (Canyon) field · Producing · Vertical
Horwood F. L. H. #1 (API 42-431-31959) is a well in Sterling County operated by Tall Dune Resources LLC, completed November 29, 1988 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 29, 1988, permitted to 8,200 ft.
It was permitted by Houghton Oil & Gas, Inc. and has since transferred to Tall Dune Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Wolfcamp, Cisco, Canyon.
Its lease has reported 19.7K barrels of oil and 309K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Houghton Oil & Gas, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Jun 4, 2026 · 4 permits on file · (325) 650-2231
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Tall Dune Resources LLC |
| Production reports | Tall Dune Resources, LLCthrough Mar 2026 |
| Latest permit | Houghton Oil & Gas, Inc.Sep 29, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,200
- total depth, ft
- 1
- permits on file
- Sep 29, 1988
- last permit issued
- Nov 29, 1988
- completed
- 19.7K
- cumulative oil, bbl
- 309K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 29, 1988
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Horwood, F. L. H. O-9-12571 | Probandt (Canyon) | Tall Dune Resources, LLC | 1 | 19.7K | 309K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 4,485 · prior 12 5,306(-15%)
Oil, barrels lease total
Last 12 months 146 · prior 12 255(-43%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Houghton Oil & Gas, Inc.Jan 1993 → Jul 2008
- 2Siana Oil & GasAug 2008 → Apr 2018
- 3Tall Dune Resources, LLCFeb 2023 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 351782-99 | Drill | Houghton Oil & Gas, Inc. | Sep 29, 1988 | Sep 29, 1988 | — | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-12571 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,570 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,102 | 8,018 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,829 | 11 | 725 S |
| 4.5 | 8,128 | 7.875 | 1,526 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 | Jan 11, 1989 | Dec 19, 1988 | Yes |
| 00 | Dec 30, 1988 | — | — |
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 42-431-31959 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-431-31959 → 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/43131959, documented in the API reference.