TEXAS · WELLS · ROBERTS COUNTY · MAHLER LEASE · API 42-393-31406 · DISTRICT 08
Mahler #6
Roberts County · Mendota NW. (Morrow Lower) field · Producing · Vertical
Mahler #6 (API 42-393-31406) is a well in Roberts County operated by Unit Petroleum Company, completed July 28, 1998 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued March 31, 1998, permitted to 12,704 ft.
Completion filings report 4 formation tops, including Tonkawa, Granite Wash, Morrow, Chester.
Its lease has reported 3.09K barrels of oil and 2.67M mcf of gas since September 1998, last reporting volume in April 2026.
Operator of record
- Based in
- Tulsa, OK
- P-5 status
- Active (A)
- P-5 last filed
- Jan 13, 2025
- Permits on file
- 1,100
- Phone
- (918) 493-7700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unit Petroleum Company |
| Production reports | Unit Petroleum Companythrough Apr 2026 |
| Latest permit | Unit Petroleum CompanyMar 31, 1998 |
- 12,704
- total depth, ft
- 3
- permits on file
- Mar 31, 1998
- last permit issued
- Jul 28, 1998
- completed
- 3.09K
- cumulative oil, bbl
- 2.67M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1998 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 28, 1998
- 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 |
|---|---|---|---|---|---|---|
| Mahler G-14-170824 | Mendota, NW. (Morrow, Lower) | Unit Petroleum Company | 1 | 3.09K | 2.67M | Sep 1998 – Apr 2026 |
Gas, mcf lease total
Last 12 months 65,664 · prior 12 71,120(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Unit Petroleum CompanySep 1998 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 473883-97 | Drill | Unit Petroleum Company | Jan 29, 1999 | Mar 31, 1998 | — | 12,704 |
| 473883-98 | Drill | Unit Petroleum Company | May 11, 1998 | Mar 31, 1998 | Jun 22, 1998 | 12,680 |
| 473883-99 | Drill | Unit Petroleum Company | Mar 2, 1998 | Mar 31, 1998 | — | 12,680 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 28, 1998 | Mahler G-14-170824 | Mendota NW. (Morrow Lower) | Unit Petroleum Company | Producing | 12,704 |
Formation tops
As filed on W-2/G-1. Subsea from 2,845 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Tonkawa | 7,665 | -4,820 |
| Granite Wash | 9,400 | -6,555 |
| MorrowMORROW SHALE | 10,800 | -7,955 |
| Chester | 12,570 | -9,725 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,101 | 12,109 | Perforated |
| 12,163 | 12,167 | Perforated |
| 12,171 | 12,174 | Perforated |
| 12,196 | 12,221 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,150 | 12.25 | 925 S |
| 5.5 | 12,704 | 7.875 | 290 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jul 29, 2021 | Jul 21, 2021 | — |
| 00 | Jan 22, 1999 | Oct 5, 1998 | — |
| 00 | Dec 14, 1998 | Sep 28, 1998 | Yes |
| 00 | Dec 1, 1998 | — | — |
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 42-393-31406 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-393-31406 → 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/39331406, documented in the API reference.