WELL · 42-503-05212 · DISTRICT 9
Millis Mary C. B #6
Young County · Fish Creek (Marble Falls) field · Vertical
Millis Mary C. B #6 (API 42-503-05212) is a well in Young County operated by Four H Oil Properties, completed February 15, 1961.
The RRC has issued one drilling permit, issued July 21, 2017, permitted to 4,999 ft.
Completion filings report 2 formation tops, including Caddo, Marble Falls.
Its 2 leases have reported 21.4K barrels of oil and 353K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Graham, TX · P-5 Y, filed Apr 4, 2026 · 9 permits on file · (940) 521-8855
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Four H Oil Properties |
| Production reports | Boss Operating LLCthrough Apr 2026 |
| Latest permit | Four H Oil PropertiesJul 21, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,999
- total depth, ft
- 1
- permits on file
- Jul 21, 2017
- last permit issued
- Feb 15, 1961
- completed
- 21.4K
- cumulative oil, bbl
- 353K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 15, 1961
- Shut in
- —
- Plugged
- —
Surface location
33.006836, -98.793909
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Young County.
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Millis, Mary C. "B" O-13-33205 | Kendall (Caddo) | Boss Operating LLC | 2 | 21.4K | 353K | Apr 2013 – Jul 2026 |
| Millis, Mary C. "B" G-13-21376 | Fish Creek (Marble Falls) | Four H Oil Properties | 1 | 0 | 0 | Jan 1993 – Jan 2017 |
Gas, mcf lease total
Last 12 months 36,171 · prior 12 28,825(+25%)
Oil, barrels lease total
Last 12 months 2,291 · prior 12 2,175(+5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Four H Oil PropertiesMar 2016 → Jun 2022
- 2Boss Operating LLCJul 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 828811-99 | Recompletion | Four H Oil Properties | Jul 14, 2017 | Jul 21, 2017 | Jan 24, 2017 | 4,999 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-21376 | — | — | — | — |
| — | — O-13-33205 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,475 | 3,495 | Perforated |
| 4,170 | 4,180 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 107 | 12.25 | 25 S |
| 7.875 | 4,263 | 5.5 | 300 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 | Mar 28, 2018 | Aug 10, 2017 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-503-05212 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-503-05212 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
MKG42-503-42487
1.0 KM · Drake Petroleum, LLC · Section with this well →
| Palo Pinto | 1,452 | -253 |
| Strawn | 2,400 | -1,201 |
| Atoka | — | |
| Herron City | — | |
| Gunsight | — | |
| Cisco | — | |
| Canyon | — | |
| Caddo | — |
10 TOPS · FIRST 8
Kendall42-503-42574
1.0 KM · Boss Operating LLC · Section with this well →
| Palo Pinto | 1,655 | -329 |
| Caddo | 3,557 | -2,231 |
| Atoka | 4,272 | -2,946 |
| Buttram | — | |
| Bryson | — | |
| Gunsight | — | |
| Cisco | — | |
| Canyon | — |
10 TOPS · FIRST 8
Kendall42-503-32419
1.5 KM · Georgia-Texas Oil Co. · Section with this well →
| Caddo | 3,481 | -2,225 |
| Conglomerate | 4,180 | -2,924 |
| Congl. | 4,180 | -2,924 |
| Mississippian | 4,545 | -3,289 |
| Mississippian | 4,545 | -3,289 |
| Mississippian | 4,545 | -3,289 |
O'Neal-Littlepage42-503-37683
1.7 KM · Littlepage, Tommy · Section with this well →
| Gunsight | 960 | 329 |
| Palo Pinto | 1,524 | -235 |
| Caddo | 2,168 | -879 |
| Strawn | 2,250 | -961 |
| Mississippian | 4,424 | -3,135 |
| Ellenburger | 4,690 | -3,401 |
McCorkle-Elkins42-503-42517
3.0 KM · G. A. Hawkins Operating, LLC · Section with this well →
| Gunsight | 386 | 783 |
| Palo Pinto | 1,858 | -689 |
| Strawn | 2,190 | -1,021 |
| Caddo | 3,350 | -2,181 |
| Atoka | — | |
| Bryson | — | |
| Buttram | — | |
| Canyon | — |
10 TOPS · FIRST 8
Mollie Elkins42-503-41589
3.3 KM · Hawkins, G. A. · Section with this well →
| Capps Lime | 1,814 | -694 |
| Caddo | 2,794 | -1,674 |
| Smithwick | 3,292 | -2,172 |
| Caddo | 3,306 | -2,186 |
| Mississippian | 4,398 | -3,278 |
Parrot-Roach42-503-42483
3.8 KM · Sky Resources, Inc. · Section with this well →
| Buttram | 2,000 | -760 |
| Strawn | 2,236 | -996 |
| Canyon | — | |
| Caddo | — | |
| Palo Pinto | — | |
| Bryson | — | |
| Herron City | — | |
| Gunsight | — |
10 TOPS · FIRST 8
Parrot-Roach42-503-42482
3.8 KM · Sky Resources, Inc. · Section with this well →
| Buttram | 2,010 | -765 |
| Strawn | 2,240 | -995 |
| Cisco | — | |
| Caddo | — | |
| Bryson | — | |
| Atoka | — | |
| Palo Pinto | — | |
| Herron City | — |
10 TOPS · FIRST 8
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/50305212, documented in the API reference.