OPERATORS · TEXAS · P-5 NUMBER 835999

Tara Operating Co.

P-5 status: Inactive (I)
P-5 last filed: Dec 31, 1997
Based in: Lamesa, TX

Tara Operating CO. has filed no drilling permits in the past 12 months; its most recent permit was issued March 24, 1997.

The RRC wellbore file lists 18 wells under its operatorship.

9 drilling permits have been issued to this operator number since 1987; its P-5 organization report was last filed December 31, 1997.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 18 of record
5: leases it reports
—: horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 6, 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.

78%: spud rate · 7 of 9 mature permits
8: median days permit to spud · middle half 3–20
0: spuds, last 180 days
0%: canceled · 0 permits
2: expired undrilled
1: permits a year over 10 active years

Permits issued by month

LAST 60 MONTHS · BY ISSUE DATE

Last 12 months 0 · prior 12 0

Counties

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
Dawson county →	—	8	8	Mar 24, 1997
Crane county →	—	1	0	Mar 19, 1991

All 9 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
No completion tops on file.

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
173K: bbl oil since reporting began

No lease production reported under this operator number in the last ten years.

Beyond the permit record

RRC wellbore file

Wells of record

18: in the wellbore file
0: producing
0: shut in
0: injection
0: temp. abandoned
17: plugged

How it got them

1: permitted itself
12: acquired from others
4: permitted, now run by others

Each count opens the wells it counts. Acquired means the well's permit names a different operator than the schedule does today; wells it permitted that others now run are in its permit history, marked with who runs them now. Transfers and operator numbers →

RRC UIC permits · H-10 reported volumes

Disposal and injection

0: active UIC permits of 2
0: permitted bbl/day, active
0: bbl injected, last 12 reported months
Jun 2025: reported through

By county

Dawson

0 active

0 bbl/d

All 2 permits, with volumes → · On the map →

Permitted volume is a ceiling, not throughput. How to read it →

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
Recompletion	0	0	7
Reenter	0	0	2

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
Spraberry (Trend Area)85280300	6	0
Key (Spraberry Upper)49113750	4	0
Block 35 (Dean Sd.)9390500	2	0
Key North (Spraberry Upper)49115500	1	0
Breedlove (Spraberry)11751200	1	0
Lacaff (Dean)51152500	1	0
Patricia (Fusselman)69563250	1	0
Breedlove East (Spraberry)11752666	1	0
Tink (Strawn)90100500	1	0

P-5 organization report

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

Registration: Status Inactive (I); Last filed Dec 31, 1997

Address: HCR 5 Box 87 SH 115; Lamesa, TX 79331; (432) 684-4316

Officers and agents: Estes, L. N. (Jack) · President; Estes, Lon C. · Secretary/Treasurer

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
460048	Mar 24, 1997	Mar 24, 1997	Tara Operating Co.	Dawson	Waldrop 6 #1	4,350	11531223
451486	Aug 14, 1996	Aug 14, 1996	Tara Operating Co.	Dawson	William Clay Fr. Foundation #1	9,000	11500434
445787	Mar 11, 1996	Mar 11, 1996	Tara Operating Co.	Dawson	Harris, E. W. #1	8,400	11530017
429012	Oct 12, 1994	Oct 12, 1994	Tara Operating Co.	Dawson	Harris, E W et Al #8	8,500	11510281
424734	Jun 9, 1994	Jun 9, 1994	Tara Operating Co.	Dawson	Harris, E.W. Etal #1	8,350	11500436
424638	Jun 7, 1994	Jun 7, 1994	Tara Operating Co.	Dawson	Harris, E W Etal #2	8,350	11500437
420543	Jan 25, 1994	Jan 25, 1994	Tara Operating Co.	Dawson	Harris, E. W. Etal #11	8,500	11531365
385916	Mar 19, 1991	Mar 19, 1991	Tara Operating Co.	Crane	Gettys 9 #1	5,600	10334065
340447	Dec 18, 1987	Dec 18, 1987	Tara Operating Co.	Dawson	Preston #1	12,013	11510156
210073	Sep 7, 1983	Sep 7, 1983	Tahoe Oil & Cattle Co.	Martin	O'Neil, G. E. #1	9,800	31732773
200620	Jul 7, 1983	Jul 7, 1983	Tahoe Oil & Cattle Co.	Martin	Tahoe Hyatt-Regiency #2	9,500	31732719
199761	Jun 28, 1983	Jun 28, 1983	Tahoe Oil & Cattle Co.	Martin	Tahoe-Campbell #3	9,600	31732715
188819	Mar 17, 1983	Mar 17, 1983	Tahoe Oil & Cattle Co.	Martin	Tahoe Hyatt-Regiency #1	11,000	31732697
188156	Mar 9, 1983	Mar 9, 1983	Tahoe Oil & Cattle Co.	Martin	Tahoe-Campbell #2	9,600	31732694
184685	Jan 28, 1983	Jan 28, 1983	Tara Oil Co., Inc.	McCulloch	Ranne, J. A. Jr #1	1,000	30730693

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 by the operator that filed them, through the statewide reported-through month; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/operators/tx/835999, documented in the API reference.