OPERATORS · RRC 126045 · P-5 STATUS Y

Calto Oper Co, Inc

Dallas, TX

Calto Oper CO, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued September 11, 2003.

The RRC wellbore file lists 10 wells under its operatorship.

22 drilling permits have been issued to this operator number since 1990; its P-5 organization report was last filed March 5, 2004.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 10 of record
12: 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.

86%: spud rate · 19 of 22 mature permits
31: median days permit to spud · middle half 14–80
0: spuds, last 180 days
0%: cancelled · 0 permits
3: expired undrilled
2: permits a year over 13 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
Leon county →	—	13	5	Sep 11, 2003
Anderson county →	—	6	3	Apr 20, 1998
Wise county →	—	2	1	Sep 23, 1994
Fisher county →	—	1	1	Nov 7, 1990

All 22 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
Rodessa	3	0
Austin Chalk	3	0
Buda	2	0
Pettit	2	0
Travis Peak	2	0
Bend	1	0
Caddo	1	0
Woodbine	1	0
Wilcox	1	0
Massive Anhydrite (marker)	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
16.5K: 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

10: on the schedule
0: producing
0: shut in
0: injection
0: temp. abandoned
8: plugged

How it got them

6: permitted itself
2: acquired from others
10: 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 1
0: permitted bbl/day, active
0: bbl injected, last 12 reported months
Jun 2025: reported through

By county

Fisher

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	12
Recompletion	0	0	9
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
Jewett (Travis Peak)46335600	4	0
Elkhart (Woodbine)28379500	3	0
Boonsville (Bend Congl. Gas)10574520	1	0
Jewett (Pettit)46335500	1	0
Rough Draw (Noodle Creek)78523500	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Mar 5, 2004

Address: P O Box 12165; Dallas, TX 75225

Officers and agents: Hansen, Howard E. · President; Hansen, Michael W. · Vice President; Hansen, Marion E. · Secretary

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
536227	Sep 11, 2003	Sep 11, 2003	Calto Operating Company, Inc.	Leon	Helmcamp #3	10,500	28931385
530957	Apr 30, 2003	Apr 30, 2003	Calto Operating Company, Inc.	Leon	Guinn Gas Unit #2	10,516	28931295
507814	Apr 26, 2001	Apr 26, 2001	Calto Operating Company, Inc.	Leon	J. R. Montgomery Gas Unit #1	10,610	28930400
504145	Jan 26, 2001	Jan 26, 2001	Calto Operating Company, Inc.	Leon	Helmcamp #1	10,300	28930075
501379	Nov 1, 2000	Nov 1, 2000	Calto Operating Company, Inc.	Leon	Montgomery, J. R. #2	10,650	28931338
490191	Dec 14, 1999	Dec 14, 1999	Calto Operating Company, Inc.	Leon	Hill, A. G. #3	10,600	28931309
482371	Feb 4, 1999	Feb 4, 1999	Calto Operating Company, Inc.	Leon	A. G. Hill Gas Unit #1	10,020	28930061
480516	Oct 30, 1998	Oct 30, 1998	Calto Operating Company, Inc.	Leon	Guinn Gas Unit #2	10,600	28931295
475169	Apr 24, 1998	Apr 24, 1998	Calto Operating Company, Inc.	Leon	Helmcamp #1	10,300	28930075
475168	Apr 20, 1998	Apr 20, 1998	Calto Operating Company, Inc.	Anderson	Pearson #2	6,200	00132106
475087	Apr 13, 1998	Apr 13, 1998	Calto Operating Company, Inc.	Leon	Sharp, A. L. et AL #2	10,400	28931289
463712	Jun 13, 1997	Jun 13, 1997	Calto Operating Company, Inc.	Leon	Helmcamp #2	10,400	28931270
438190	Jul 25, 1995	Jul 25, 1995	Calto Operating Company, Inc.	Leon	A. L. Sharp et AL #1	10,270	28930086
427935	Sep 23, 1994	Sep 23, 1994	Calto Operating Company, Inc.	Wise	Traister, A. M. #2 A	5,763	49701439
423918	May 17, 1994	May 17, 1994	Calto Operating Company, Inc.	Wise	Ratliff, L. D. #3	6,000	49733914

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/126045, documented in the API reference.