WELL · 42-395-30405 · DISTRICT 3
Cooper-Ransom Unit #1
Robertson County · Giddings (Austin Chalk-3) field · Producing · Horizontal
Cooper-Ransom Unit #1 (API 42-395-30405) is a horizontal well in Robertson County operated by Wildfire Energy Operating LLC, completed March 25, 1994 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 2, 1993, permitted to 8,000 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Wildfire Energy Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Midway, Navarro, Pecan Gap, Austin Chalk.
Its lease has reported 419K barrels of oil and 335K mcf of gas since February 1994, last reporting in July 2026.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Nov 24, 2025
- Permits on file
- 171
- Phone
- (832) 558-0100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Wildfire Energy Operating LLC |
| Production reports | Wildfire Energy Operating LLCthrough Mar 2026 |
| Latest permit | Union Pacific Resources CompanyDec 2, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,000
- total depth, ft
- 1
- permits on file
- Dec 2, 1993
- last permit issued
- Mar 25, 1994
- completed
- 419K
- cumulative oil, bbl
- 335K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 1994 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 25, 1994
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Cooper-Ransom Unit O-3-22433 | Giddings (Austin Chalk-3) | Wildfire Energy Operating LLC | 1 | 419K | 335K | Feb 1994 – Jul 2026 |
Oil, barrels lease total
Last 12 months 21,994 · prior 12 9,514(+131%)
Gas, mcf lease total
Last 12 months 6,699 · prior 12 5,250(+28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyFeb 1994 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Dec 2012
- 4Anadarko E&P Onshore LLCJan 2013 → Jun 2017
- 5Wildhorse Resources Mngt Co, LLCJul 2017 → May 2019
- 6Chesapeake Operating, L.L.C.Jun 2019 → Feb 2023
- 7Wildfire Energy Operating LLCMar 2023 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 418693-99 | Drill | Union Pacific Resources Company | Nov 24, 1993 | Dec 2, 1993 | Dec 5, 1993 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-22433 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 305 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 3,391 | -3,086 |
| Navarro | 4,341 | -4,036 |
| Pecan Gap | 5,769 | -5,464 |
| Austin Chalk | 6,869 | -6,564 |
| Buda | 7,646 | -7,341 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,875 | 11,880 | Perforated |
| 7,695 | 12,208 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,540 | 14.75 | 813 S |
| 7.625 | 7,695 | 9.875 | 1,377 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 14, 1994 | Apr 1, 1994 | Yes |
| 00 | Jul 21, 1994 | — | — |
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 42-395-30405 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-395-30405 → 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/39530405, documented in the API reference.