WELL · 42-289-31959 · DISTRICT 3
Gresham #1H
Leon County · Halliday (Woodbine) field · Horizontal
Gresham #1H (API 42-289-31959) is a horizontal well in Leon County operated by Trailblazer Energy Resources LLC, completed October 31, 2011.
The RRC has issued one drilling permit, issued August 10, 2011, permitted to 7,100 ft.
It was permitted by Pmo and has since transferred to Trailblazer Energy Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Bac, Woodbine.
Its 2 leases have reported 331K barrels of oil and 700K mcf of gas since October 2011, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Trailblazer Energy Resources LLC
Permitted by Pmo; the EWA schedule now lists a different operator.
- Based in
- Tulsa, OK
- P-5 status
- Active (A)
- P-5 last filed
- Oct 16, 2025
- Permits on file
- 30
- Phone
- (918) 728-3020
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trailblazer Energy Resources LLC |
| Production reports | Thomfield Energy LLCthrough Apr 2026 |
| Latest permit | PmoAug 10, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,100
- total depth, ft
- 1
- permits on file
- Aug 10, 2011
- last permit issued
- Oct 31, 2011
- completed
- 331K
- cumulative oil, bbl
- 700K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 31, 2011
- 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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Gresham O-3-25809 | Halliday (Woodbine) | Trailblazer Energy Resources,llc | 3 | 330K | 700K | Oct 2011 – Jul 2026 |
| Gresham 1 O-3-27884 | Halliday (Woodbine) | Thomfield Energy LLC | 1 | 972 | 0 | May 2021 – Jul 2026 |
Oil, barrels lease total
Last 12 months 6,201 · prior 12 3,760(+65%)
Gas, mcf lease total
Last 12 months 35,767 · prior 12 31,466(+14%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1PmoOct 2011 → Jul 2012
- 2Halcon Operating Co., Inc.Aug 2012 → Apr 2014
- 3New Gulf Resources, LLCMay 2014 → Jul 2016
- 4Etx Energy, LLCAug 2016 → Jul 2022
- 5Deguello Operating LLCMar 2022 → Dec 2023
- 6Trailblazer Energy Resources,llcAug 2022 → Apr 2026
- 7Thomfield Energy LLCFeb 2026 → Apr 2026
Permits
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-25809 | — | — | — | — |
| — | — O-3-27884 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 360 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 6,120 | -5,760 |
| Bac | 6,417 | -6,057 |
| Woodbine | 6,705 | -6,345 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,066 | 10,694 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,348 | 13.5 | 1,635 S |
| 7.625 | 7,094 | 9.875 | 460 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 30, 2021 | Nov 28, 2011 | Yes |
| 00 | Jun 25, 2012 | Nov 28, 2011 | Yes |
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 42-289-31959 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-289-31959 → 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/28931959, documented in the API reference.