OPERATORS · RRC 841260 · P-5 STATUS Y

Teffoil Corp

Sourlake, TX

Teffoil Corp has filed no drilling permits in the past 12 months; its most recent permit was issued July 27, 1984.

The RRC wellbore file lists 5 wells under its operatorship.

6 drilling permits have been issued to this operator number since 1980; its P-5 organization report was last filed September 15, 1989.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 5 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.

33%: spud rate · 2 of 6 mature permits
26: median days permit to spud · middle half 22–30
0: spuds, last 180 days
0%: cancelled · 0 permits
4: expired undrilled
1: permits a year over 5 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
Hardin county →	—	6	0	Jul 27, 1984

All 6 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
Yegua	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
0: 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

5: on the schedule
0: producing
0: shut in
0: injection
0: temp. abandoned
1: plugged

How it got them

0: permitted itself
0: acquired from others
6: 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	6

Fields

RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.

Field	Wells	Producing
Ace (4050)418800	2	0
Rosedale (7120)78291777	1	0
Rosedale (7780)78291888	1	0
Rosedale (Frio Lower)78291111	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Sep 15, 1989

Address: P.O. Box 400; Sourlake, TX 77659

Officers and agents: Fox, Ed · President/Director; Tipton, William Leohard · Vice President/Director; Schwaner, Hilda Fox · Secretary

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
246490	Jul 27, 1984	Jul 27, 1984	Teffoil Corporation	Hardin	Simms, Mary R. #3	4,800	19932162
246492	Jul 27, 1984	Jul 27, 1984	Teffoil Corporation	Hardin	Conklin, Lidie Smith et AL #2	4,800	19932163
194340	May 2, 1983	May 2, 1983	Teffoil Corporation	Hardin	Merchant -D- #1	4,800	19931880
189720	Mar 14, 1983	Mar 14, 1983	Teffoil Corporation	Hardin	Merchant Fee #C1	7,000	19931855
181352	Dec 6, 1982	Dec 6, 1982	Teffoil Corporation	Hardin	Conklin, Lidie Smith et AL #1	4,500	19931823
77759	Apr 9, 1980	Apr 9, 1980	Teffoil Corporation	Hardin	Sims, Mary R. #2	5,000	19931421

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/841260, documented in the API reference.