OPERATORS · RRC 531345 · P-5 STATUS Y
Marymac Oil Co
Lockhart, TX
Watch this operatorMarymac Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued August 26, 1985.
13 drilling permits have been issued to this operator number since 1980; its P-5 organization report was last filed April 5, 2002.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 0 of record
- 0
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
From permit to spud
FROM THE DATES ON ITS W-1 PERMITS · ALL TIME
A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.
- 0%
- spud rate · 0 of 13 mature permits
- —
- median days permit to spud
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 13
- expired undrilled
- 2
- permits a year over 6 active years
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
| County | 12 mo | All time | Wells | Last |
|---|---|---|---|---|
| Bastrop county → | — | 7 | 0 | Aug 26, 1985 |
| Caldwell county → | — | 4 | 0 | Oct 27, 1980 |
| Guadalupe county → | — | 2 | 0 | Aug 23, 1982 |
All 13 permits, searchable → · Leases it reports → · On the map →
Formations in its completed wells
Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →
| Formation | Wells | Permitted last 3 yrs |
|---|---|---|
| Wilcox | 4 | 0 |
| Navarro | 4 | 0 |
| Taylor | 4 | 0 |
| Buda | 4 | 0 |
| Midway | 3 | 0 |
| Austin Chalk | 3 | 0 |
| Eagle Ford | 1 | 0 |
| Del Rio | 1 | 0 |
| Georgetown | 1 | 0 |
| Edwards | 1 | 0 |
Production by month
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →
- 0
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 15.1K
- bbl oil since reporting began
No lease production reported under this operator number in the last three years.
Beyond the permit record
RRC wellbore file
Wells of record
- 0
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 0
- plugged
How it got them
- 0
- permitted itself
- 0
- acquired from others
- 9
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
Permit types
Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Drill | 0 | 0 | 13 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Apr 5, 2002
- Address
- #5 Professional Plaza
- Lockhart, TX 78644
- Officers and agents
- McConnell, Edward V. · Partner
- McConnell, Peggy L. · Partner
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 283456 | Aug 26, 1985 | Aug 26, 1985 | Marymac Oil Company | Bastrop | Williams, Sophia #2 | 975 | 02130921 |
| 268190 | Feb 28, 1985 | Feb 28, 1985 | Marymac Oil Company | Bastrop | Williams, Sophia #1 | 2,400 | 02130910 |
| 258218 | Nov 19, 1984 | Nov 19, 1984 | Marymac Oil Company | Bastrop | Madison, H. #4 | 2,700 | 02130888 |
| 257122 | Nov 7, 1984 | Nov 7, 1984 | Marymac Oil Company | Bastrop | Sampson, G. #1 | 2,600 | 02130887 |
| 249762 | Aug 27, 1984 | Aug 27, 1984 | Marymac Oil Company | Bastrop | Madison, H. #3 | 2,400 | 02130879 |
| 226527 | Jan 12, 1984 | Jan 12, 1984 | Marymac Oil Company | Bastrop | Madison, H. #2 | 2,400 | 02130811 |
| 169908 | Aug 23, 1982 | Aug 23, 1982 | Marymac Oil Company | Guadalupe | McEver, C.D. #2 | 3,200 | 18732207 |
| 168518 | Aug 6, 1982 | Aug 6, 1982 | Marymac Oil Company | Guadalupe | McEver, C. D. #1 | 3,000 | 18732191 |
| 129940 | Aug 3, 1981 | Aug 3, 1981 | Marymac Oil Company | Bastrop | Madison, H. #1 | 2,500 | 02130353 |
| 97510 | Oct 27, 1980 | Oct 27, 1980 | Marymac Oil Company | Caldwell | Seivers, W. A. #1 | 2,500 | 05531616 |
| 89767 | Aug 14, 1980 | Aug 14, 1980 | Marymac Oil Company | Caldwell | Cude, W. T. #4 | 2,400 | 05531519 |
| 81421 | May 19, 1980 | May 19, 1980 | Marymac Oil Company | Caldwell | Chambliss, J. H. #2 | 2,457 | 05531433 |
| 76035 | Mar 24, 1980 | Mar 24, 1980 | Marymac Oil Company | Caldwell | Chambliss, J. H. #1 | 2,493 | 05531369 |
About this data
Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.
Developers: this page as JSON is GET /v1/data/operators/tx/531345, documented in the API reference.