OPERATORS · RRC 74900  · P-5 STATUS Y

Blanco Oil Co

San Antonio, TX

Watch this operator

Blanco Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued November 1, 2002.

The RRC wellbore file lists 5 wells under its operatorship.

47 drilling permits have been issued to this operator number since 1991; its P-5 organization report was last filed January 9, 2004.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 5 of record
1
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.

89%
spud rate · 42 of 47 mature permits
4
median days permit to spud · middle half 1–14
0
spuds, last 180 days
0%
cancelled · 0 permits
5
expired undrilled
4
permits a year over 12 active years

Where

Counties by permits in the last 12 months, with all-time permits and current wells of record there.

County12 moAll timeWellsLast
Andrews county →—440Nov 1, 2002
Gaines county →—20Jan 3, 1997
Bee county →—10Jan 30, 1991

All 47 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 →

FormationWellsPermitted last 3 yrs
San Andres230
Rustler220
Yates210
Devonian70
Wolfcamp40
Ellenburger40
Clear Fork30
Tubb20
Wichita-Albany10

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
548K
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
5
plugged

How it got them

0
permitted itself
5
acquired from others
35
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 →

Type12 moPrior 12All time
Drill0030
Reenter009
Recompletion007
Other001

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.

FieldWellsProducing
Cost (Austin Chalk)2089910050

P-5 organization report

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

Registration
Status code Y
Last filed Jan 9, 2004
Address
8000 IH 10 West Ste 920
San Antonio, TX 78230
Officers and agents
Maddux, Sylvia A. · Texas Resident Agent
Amini, K. K. · President
Amini, Margaret · Vice President
Maddux, Sylvia A. · Secretary/Treasurer

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
525036Nov 1, 2002Nov 1, 2002Blanco Oil Co.AndrewsBlanco-Fullerton #14D8,40000339021
525032Oct 29, 2002Oct 29, 2002Blanco Oil Co.AndrewsBlanco-Fullerton #16D8,40000306744
522885Aug 22, 2002Aug 22, 2002Blanco Oil Co.AndrewsBlanco-Fullerton #10S4,80000338995
515269Nov 13, 2001Nov 13, 2001Blanco Oil Co.AndrewsBlanco-Fullerton #19D8,40000338918
499619Oct 24, 2000Oct 24, 2000Blanco Oil Co.AndrewsBlanco-Fullerton #18D8,30800306740
496656Jun 29, 2000Jun 29, 2000Blanco Oil Co.AndrewsBlanco-Fullerton #342A9,90600301398
493874Apr 12, 2000Apr 12, 2000Blanco Oil Co.AndrewsBlanco-Fullerton #17D9,91000306745
493876Apr 11, 2000Apr 11, 2000Blanco Oil Co.AndrewsBlanco-Fullerton #13D9,92000306741
493417Mar 27, 2000Mar 27, 2000Blanco Oil Co.AndrewsBlanco-Fullerton #9S4,80000338597
492249Feb 25, 2000Feb 25, 2000Blanco Oil Co.AndrewsBlanco-Fullerton #15D9,87400306748
489748Dec 2, 1999Dec 2, 1999Blanco Oil Co.AndrewsBlanco-Fullerton #16D8,40000306744
487782Sep 21, 1999Sep 21, 1999Blanco Oil Co.AndrewsBlanco-Fullerton #8S4,80000338530
487475Sep 10, 1999Sep 10, 1999Blanco Oil Co.AndrewsBlanco-Fullerton #7S4,80000338525
480706Nov 6, 1998Nov 6, 1998Blanco Oil Co.AndrewsBlanco-Fullerton "19" #24,80000338455
476168May 12, 1998May 12, 1998Blanco Oil Co.AndrewsBlanco-Fullerton "19" #14,80000338430

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/74900, documented in the API reference.