WELL · 42-009-33308 · DISTRICT 9
Mahler Caroline #1
Archer County · Archer County Regular field · Vertical
Mahler Caroline #1 (API 42-009-33308) is a plugged well in Archer County, plugged July 19, 2016, last operated by Hydro Geology Drilling.
The RRC has issued one drilling permit, issued May 23, 1978, permitted to 1,243 ft.
It was permitted by Mcclendon, Larry and has since transferred to Hydro Geology Drilling on the wellbore schedule.
Its lease has reported 14 barrels of oil and 18 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by McClendon, Larry; the EWA schedule now lists a different operator.
Wichita Falls, TX · P-5 Y, filed Jul 8, 2016 · 2 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hydro Geology Drilling |
| Production reports | Hydro Geology Drillingthrough Jan 1997 |
| Latest permit | McClendon, LarryMay 23, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,243
- total depth, ft
- 1
- permits on file
- May 23, 1978
- last permit issued
- Jun 14, 1978
- completed
- 14
- cumulative oil, bbl
- 18
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 14, 1978
- Shut in
- —
- Plugged
- Jul 19, 2016
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 |
|---|---|---|---|---|---|---|
| Mahler, Caroline O-13-18942 | Archer County Regular | Hydro Geology Drilling | 1 | 14 | 18 | Jan 1993 – Jul 2026 |
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.
- 1Emory OperatingJan 1993 → Jul 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 24951-99 | Drill | McClendon, Larry | May 23, 1978 | May 23, 1978 | — | 1,243 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-18942 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| — | 1,066 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 1,115 | 7.875 | 225 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 12, 1984 | Jun 22, 1978 | — |
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 42-009-33308 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-009-33308 → 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/00933308, documented in the API reference.