OPERATORS · RRC 232050 · P-5 STATUS Y

Duncan Drilling Co

Big Spring, TX

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 20 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.

85 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed January 4, 2026.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
1: producing wells, of 20 of record
5: 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 · 28 of 85 mature permits
30: median days permit to spud · middle half 11–61
0: spuds, last 180 days
2%: cancelled · 2 permits
55: expired undrilled
4: permits a year over 22 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
Crosby county →	—	21	0	Oct 1, 1985
Howard county →	—	17	4	Sep 30, 1999
Tom Green county →	—	13	2	Apr 25, 1980
Brown county →	—	6	1	Dec 16, 1981
Jones county →	—	5	0	Nov 16, 1979
Lubbock county →	—	5	0	Sep 10, 1985
Mitchell county →	—	5	7	Feb 7, 1978
Sterling county →	—	5	0	Oct 25, 1979
Concho county →	—	3	0	Oct 11, 1993
Eastland county →	—	2	0	May 9, 1980
Stonewall county →	—	2	0	Oct 24, 1989
Andrews county →	—	1	0	Jun 26, 1984

All 85 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
Clear Fork	9	0
Wolfcamp	1	0
San Andres	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 →

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

Oil, barrels

Last 12 months 2,923 · prior 12 9,293(-69%)

Beyond the permit record

RRC wellbore file

Wells of record

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

How it got them

5: permitted itself
0: acquired from others
24: permitted, now run by others

Acquired means the well's permit names a different operator than the schedule does today. 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 Green	0 active	0 bbl/d
Howard	0 active	0 bbl/d
Crosby	0 active	0 bbl/d
Culberson	0 active	0 bbl/d
Lubbock	0 active	0 bbl/d

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
Drill	0	0	83
Reenter	0	0	1
Recompletion	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
Westbrook East (Clear Fork)96565500	4	0
Turner-Gregory (Clear Fork)91903333	3	1
Garza34113001	3	0
Dorland (Wolfcamp)25460600	2	0
Howard Glasscock42971001	2	0
Water Valley (San Andres)95445666	2	0
Motley W. (Odom Lime)63275500	1	0
Wheat96742001	1	0
White (Tannehill)96861800	1	0
Wildcat14001	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Jan 4, 2026; Oil operator

Address: Box 109; Big Spring, TX 79721; (432) 559-4349

Officers and agents: Duncan, James Otis · Sole Proprietor,owner

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
487914	Sep 30, 1999	Sep 30, 1999	Duncan Drilling Co.	Howard	Douthit #2	2,990	22711006
436637	Jul 6, 1995	Jul 6, 1995	Duncan Drilling Co.	Howard	Dorland #1GH	5,668	22732616
429634	Nov 7, 1994	Nov 7, 1994	Duncan Drilling Co.	Howard	Dorland #1	6,000	22734877
416874	Oct 11, 1993	Oct 11, 1993	Duncan Drilling Co.	Concho	Bunger #1	4,000	09531588
408623	Feb 4, 1993	Feb 4, 1993	Duncan Drilling Co.	Concho	Spiser #2	4,000	09531541
405201	Nov 3, 1992	Nov 3, 1992	Duncan Drilling Co.	Concho	Spicer #1	4,300	09531508
365497	Oct 24, 1989	Oct 24, 1989	Duncan Drilling Co.	Stonewall	Baugh #1	3,600	43332550
365497	Oct 24, 1989	Oct 24, 1989	Duncan Drilling Co.	Stonewall	Baugh #1	3,600	43332550
286410	Oct 1, 1985	Oct 1, 1985	Duncan Drilling Co.	Crosby	Hoople, G. W. #16	4,600	10730848
286411	Oct 1, 1985	Oct 1, 1985	Duncan Drilling Co.	Crosby	Hoople, G. W. #5	4,600	10730849
284760	Sep 10, 1985	Sep 10, 1985	Duncan Drilling Co.	Lubbock	Hoople, G. W. #21	4,600	30331100
284763	Sep 10, 1985	Sep 10, 1985	Duncan Drilling Co.	Crosby	Hoople, G. W. #14	4,800	10730844
284764	Sep 10, 1985	Sep 10, 1985	Duncan Drilling Co.	Lubbock	Hoople, G. W. #19	4,600	30331101
278715	Jun 25, 1985	Jun 25, 1985	Duncan Drilling Co.	Crosby	Hoople, G. W. #17	4,600	10730837
278714	Jun 25, 1985	Jun 25, 1985	Duncan Drilling Co.	Crosby	Hoople, G. W. #18	4,600	10730836

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/232050, documented in the API reference.