OPERATORS · TEXAS · P-5 NUMBER 232050

Duncan Drilling Co.

P-5 status
Active (A)
P-5 last filed
May 7, 2026
Based in
Big Spring, TX

Petrora groups this registration with Duncan Drilling Company, LLC, Texas (0 active wells). Duncan Drilling Co. across every state →

Duncan Drilling CO. has filed no drilling permits in the past 12 months; its most recent permit was issued September 30, 1999.

The RRC wellbore file lists 17 wells under its operatorship (1 producing).

Lease reports credit it with 2.92K barrels of oil and 0 mcf of gas in the 12 months reported through April 2026, down 69% on the year before.

84 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed May 7, 2026.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
1
producing wells, of 17 of record
5
leases it reports
—
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 8, 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 · 28 of 84 mature permits
30
median days permit to spud · middle half 11–61
0
spuds, last 180 days
2%
canceled · 2 permits
54
expired undrilled
4
permits a year over 22 active years

Permits issued by month

LAST 60 MONTHS · BY ISSUE DATE

Last 12 months 0 · prior 12 0

0120222023202420252026

Counties

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

County12 moAll timeWellsLast
Crosby county →—210Oct 1, 1985
Howard county →—174Sep 30, 1999
Tom Green county →—132Apr 25, 1980
Brown county →—61Dec 16, 1981
Jones county →—50Nov 16, 1979
Lubbock county →—50Sep 10, 1985
Mitchell county →—57Feb 7, 1978
Sterling county →—50Oct 25, 1979
Concho county →—30Oct 11, 1993
Eastland county →—20May 9, 1980
Andrews county →—10Jun 26, 1984
Stonewall county →—10Oct 24, 1989

All 84 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
Clear Fork90
San Andres10
Wolfcamp10

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 →

2.92K
bbl oil, last 12 reported months
-69%
vs the 12 months before
0
mcf gas incl. casinghead, last 12
813K
bbl oil since reporting began

12 months through Apr 2026 2,923 · prior 12 9,293(-69%)

01K2K3K2017201820192020202120222023202420252026

Duncan Drilling Co.: Oil by month.

Beyond the permit record

RRC wellbore file

Wells of record

17
in the wellbore file, 1 on schedule
1
producing
0
shut in
0
injection
0
temp. abandoned
15
plugged

How it got them

5
permitted itself
0
acquired from others
27
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 11
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Tom Green0 active0 bbl/d
Howard0 active0 bbl/d
Crosby0 active0 bbl/d
Culberson0 active0 bbl/d
Lubbock0 active0 bbl/d

All 11 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 →

Type12 moPrior 12All time
Drill0082
Reenter001
Recompletion001

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.

P-5 organization report

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

Registration
Status Active (A)
Last filed May 7, 2026
Oil operator
Address
Box 109
Big Spring, TX 79721
(432) 263-7721
Officers and agents
Duncan, James Otis · Sole Proprietor,owner

Latest permits

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

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. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Summary figures are rebuilt nightly. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/operators/tx/232050, documented in the API reference.