OPERATORS · RRC 521115 · P-5 STATUS Y

Maddux, Elizabeth H

San Antonio, TX

Maddux, Elizabeth H has filed no drilling permits in the past 12 months; its most recent permit was issued October 28, 1987.

7 drilling permits have been issued to this operator number since 1984; its P-5 organization report was last filed August 2, 1996.

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.

43%: spud rate · 3 of 7 mature permits
46: median days permit to spud · middle half 27–52
0: spuds, last 180 days
0%: cancelled · 0 permits
4: expired undrilled
2: permits a year over 3 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
Starr county →	—	7	0	Oct 28, 1987

All 7 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
Jackson	5	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
8.64K: 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
7: 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	7

P-5 organization report

As registered with the RRC. About the P-5 →

Registration: Status code Y; Last filed Aug 2, 1996

Address: P. O. Box 171717; San Antonio, TX 78217

Officers and agents: Roberts, Barry C. · Texas Resident Agent; Maddux, Elizabeth H. · Owner

Latest permits

NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
338019	Oct 28, 1987	Oct 28, 1987	Maddux, Elizabeth H.	Starr	EL Negro Ranch #7	4,000	42732228
336704	Sep 30, 1987	Sep 30, 1987	Maddux, Elizabeth H.	Starr	EL Negro Ranch #6	4,000	42732219
326083	Feb 9, 1987	Feb 9, 1987	Maddux, Elizabeth H.	Starr	EL Negro Ranch #5	4,000	42732168
321352	Oct 3, 1986	Oct 3, 1986	Maddux, Elizabeth H.	Starr	EL Negro Ranch #4	4,000	42732147
293856	Dec 27, 1985	Dec 27, 1985	Maddux, Elizabeth H.	Starr	EL Negro Ranch #3	4,200	42732090
274554	May 9, 1985	May 9, 1985	Maddux, Elizabeth H.	Starr	EL Negro Ranch #2	4,200	42732023
259132	Nov 27, 1984	Nov 27, 1984	Maddux, Elizabeth H.	Starr	EL Negro Ranch #1	4,200	42731969

Full permit history →

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/521115, documented in the API reference.