OPERATORS · RRC 844081 · P-5 STATUS Y

Tesoro E&P Co, L.P

San Antonio, TX

Tesoro E&P CO, L.P has filed no drilling permits in the past 12 months; its most recent permit was issued December 29, 1999.

The RRC wellbore file lists 3 wells under its operatorship.

104 drilling permits have been issued to this operator number since 1995; its P-5 organization report was last filed March 3, 2000.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 3 of record
25: 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.

76%: spud rate · 79 of 104 mature permits
13: median days permit to spud · middle half 8–28
0: spuds, last 180 days
0%: cancelled · 0 permits
25: expired undrilled
21: 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
Edwards county →	—	18	0	Dec 29, 1999
Hidalgo county →	—	18	0	Oct 13, 1999
Zapata county →	—	17	0	Dec 3, 1999
Webb county →	—	14	0	May 14, 1998
Anderson county →	—	4	1	Sep 24, 1998
Goliad county →	—	4	2	Jul 10, 1998
Rusk county →	—	4	0	May 1, 1998
Starr county →	—	4	0	Aug 17, 1998
Val Verde county →	—	4	0	Feb 3, 1998
Wheeler county →	—	4	0	Oct 15, 1998
Duval county →	—	3	0	Nov 2, 1998
Live Oak county →	—	3	0	Aug 6, 1998
Harrison county →	—	2	0	May 1, 1998
Jefferson county →	—	2	0	Nov 24, 1999
Panola county →	—	2	0	Jul 2, 1998
Fort Bend county →	—	1	0	Jul 12, 1999

All 104 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
Canyon	15	0
Queen City	11	0
Wilcox	11	0
Cotton Valley	6	0
Travis Peak	6	0
Frio	5	0
Pettit	4	0
James Lime	3	0
Strawn	3	0
Cleveland	2	0
Sligo	2	0
Bossier	2	0
Granite Wash	2	0
Yegua	1	0
Vicksburg	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
28.8K: 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

3: on the schedule
0: producing
0: shut in
0: injection
0: temp. abandoned
2: plugged

How it got them

0: permitted itself
3: acquired from others
53: 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	89
Recompletion	0	0	14
Reenter	0	0	1

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
Bethel Dome E. (Upper Rodessa)7558750	1	0
Goliad West (10 600 SD)35694900	1	0
Goliad West (2650)35694800	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Mar 3, 2000

Address: 300 Concord Plaza Dr; San Antonio, TX 78216

Officers and agents: Tesoro Expl & Prod Company · General Partner; Oliver, Robert W. · President; Bissell, John W. · Vice President

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
619049	May 11, 2006	May 11, 2006	Newfield Exploration Company	Anderson	Nolley G U #1	10,400	00132292
490706	Dec 29, 1999	Dec 29, 1999	Tesoro E&P Company, L.P.	Edwards	Newby G.U. 4 #1	10,100	13731531
490155	Dec 8, 1999	Dec 8, 1999	Tesoro E&P Company, L.P.	Edwards	Earwood "A" #5	10,100	13731529
490035	Dec 3, 1999	Dec 3, 1999	Tesoro E&P Company, L.P.	Zapata	Vela, L. G. #2	12,000	50534045
489820	Nov 24, 1999	Nov 24, 1999	Tesoro E&P Company, L.P.	Jefferson	Pipkin #1	9,500	24532229
489172	Nov 5, 1999	Nov 5, 1999	Tesoro E&P Company, L.P.	Jefferson	WBC #1	15,000	24532224
488469	Oct 13, 1999	Oct 13, 1999	Tesoro E&P Company, L.P.	Hidalgo	Guerra #1	10,500	21532695
488468	Oct 13, 1999	Oct 13, 1999	Tesoro E&P Company, L.P.	Edwards	Earwood Ranch B #3	10,000	13731523
485783	Jul 12, 1999	Jul 12, 1999	Tesoro E&P Company, L.P.	Fort Bend	Brown, Willie Mae #1	16,000	15732061
484216	Apr 29, 1999	Apr 29, 1999	Tesoro E&P Company, L.P.	Zapata	San Martin #1	12,000	50533936
483059	Mar 3, 1999	Mar 3, 1999	Tesoro E&P Company, L.P.	Zapata	Vela, L. G. #1	11,700	50533908
482748	Feb 17, 1999	Feb 17, 1999	Tesoro E&P Company, L.P.	Edwards	Newby G. U. 3 #1	10,300	13731505
482747	Feb 17, 1999	Feb 17, 1999	Tesoro E&P Company, L.P.	Edwards	Earwood A #4	10,100	13731504
482687	Feb 12, 1999	Feb 12, 1999	Tesoro E&P Company, L.P.	Zapata	Lopez Mineral Trust G.U. #1	11,500	50533737
482302	Jan 27, 1999	Jan 27, 1999	Tesoro E&P Company, L.P.	Zapata	Garza #1	10,500	50533776

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/844081, documented in the API reference.