OPERATORS · RRC 135401 · P-5 STATUS Y

Carrizo Oil & Gas, Inc

Houston, TX

Carrizo Oil & Gas, Inc has filed no drilling permits in the past 12 months; its most recent permit was issued September 12, 2013.

The RRC wellbore file lists 76 wells under its operatorship.

1,194 drilling permits have been issued to this operator number since 1994; its P-5 organization report was last filed August 7, 2020.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 76 of record
103: 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.

77%: spud rate · 915 of 1,194 mature permits
40: median days permit to spud · middle half 14–105
0: spuds, last 180 days
0%: cancelled · 1 permits
278: expired undrilled
60: permits a year over 20 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
Tarrant county →	—	461	9	Apr 14, 2011
LA Salle county →	—	169	5	Oct 12, 2012
Anderson county →	—	111	0	Aug 3, 2011
Parker county →	—	83	7	May 8, 2009
Denton county →	—	50	0	Apr 11, 2011
Atascosa county →	—	37	0	Mar 24, 2012
Liberty county →	—	35	2	Sep 7, 2010
Starr county →	—	27	7	Jan 5, 2004
Matagorda county →	—	25	6	Sep 12, 2013
McMullen county →	—	24	0	Sep 6, 2011
Goliad county →	—	22	4	Jan 14, 2004
Smith county →	—	16	1	Nov 9, 2009
Victoria county →	—	15	0	Jun 11, 2003
Hood county →	—	13	1	Nov 13, 2008
Erath county →	—	12	2	Oct 11, 2008
Duval county →	—	9	6	Aug 3, 2007
Brooks county →	—	8	0	May 8, 2003
Jackson county →	—	8	2	Jun 27, 2000
Live Oak county →	—	8	2	Jan 16, 2004
Harris county →	—	7	1	Jul 23, 2008
Wharton county →	—	7	3	Jan 29, 2003
Chambers county →	—	6	6	Feb 3, 2004
Frio county →	—	6	0	Dec 1, 2011
Dimmit county →	—	5	0	May 17, 2011
Aransas county →	—	4	1	Dec 7, 2010
Archer county →	—	4	2	Aug 2, 2012
Bee county →	—	3	1	Oct 27, 1998
Hill county →	—	3	0	Jul 11, 2006
Johnson county →	—	3	0	Mar 9, 2007
Presidio county →	—	3	1	Jul 15, 2010
San Patricio county →	—	2	4	Nov 6, 2001
Webb county →	—	2	2	Apr 7, 2005
Clay county →	—	1	0	Oct 6, 2008
Hidalgo county →	—	1	0	Aug 15, 1997
Houston county →	—	1	0	Mar 5, 2008
Jim Wells county →	—	1	0	Oct 18, 2000
Nacogdoches county →	—	1	0	Jun 18, 2001
Wise county →	—	1	0	Sep 10, 2004

All 1,194 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
Barnett	249	0
Base Cretaceous (marker)	237	0
Carrizo	153	0
Bend	106	0
Eagle Ford	96	0
Austin Chalk	95	0
Marble Falls	79	0
Frio	17	0
Yegua	10	0
Wilcox	9	0
Vicksburg	8	0
Queen City	7	0
Cook Mountain	4	0
Mississippian	3	0
Forestburg	2	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
2.7M: 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

76: on the schedule
0: producing
0: shut in
0: injection
0: temp. abandoned
65: plugged

How it got them

64: permitted itself
9: acquired from others
488: 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 12
0: permitted bbl/day, active
0: bbl injected, last 12 reported months
Jun 2025: reported through

By county

Anderson	0 active	0 bbl/d
San Patricio	0 active	0 bbl/d
Victoria	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	1,145
Recompletion	0	0	43
Reenter	0	0	6

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
Newark East (Barnett Shale)65280200	18	0
Wildcat18001	10	0
Hematite Sand (Vicksburg)40302470	6	0
W. D. McMillan (Yegua 9650)94256495	2	0
Eagleville (Eagle Ford)27135500	2	0
Midway (3600)61154462	2	0
Vaquillas Ranch (Lobo Cons.)93215400	2	0
Washburn Ranch (5500 Sd.)95335913	2	0
Garcia (Rincon Second)33954610	2	0
Estralita (3000)29535333	1	0
H. F. F. (Caddo)37624500	1	0
EL Benadito (A-3)27905041	1	0

P-5 organization report

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

Registration: Status code Y; Last filed Aug 7, 2020

Address: Attn Regulatory Department 500 Dallas St Ste 2300; Houston, TX 77002; (713) 358-6255

Officers and agents: CT Corporation System · Texas Resident Agent; Johnson, Sylvester P. IV. · President; Fisher, John B. · Vice President/Coo; Pitts, David L. · Vice President/Cfo; Conaway, Gregory F. · Vice President/Cao; Smith, Richard H. · Vice President; Reid, Douglas · Vice President; Agosto, Andrew R. · Vice President; All 13 on the P-5 →

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
769605	Sep 12, 2013	Sep 12, 2013	Carrizo Oil & Gas, Inc.	Matagorda	Pauline Huebner #2	12,793	32131948
749450	Oct 12, 2012	Oct 12, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Mumme-Tcu Unit #72HH	11,000	28333563
749450	Oct 12, 2012	Oct 12, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Mumme-Tcu Unit #72HH	11,000	28333563
749427	Oct 12, 2012	Oct 12, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Gardendale F Unit #23HH	11,000	28333568
749426	Oct 10, 2012	Oct 10, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Gardendale E Unit #22HH	11,000	28333559
749423	Oct 10, 2012	Oct 10, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Gardendale D Unit #21HH	11,000	28333558
749422	Oct 9, 2012	Oct 9, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Gardendale C Unit #20HH	11,000	28333557
748241	Sep 27, 2012	Sep 27, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Mumme-Tcu Unit #71HH	11,000	28333525
748241	Sep 27, 2012	Sep 27, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Mumme-Tcu Unit #71HH	11,000	28333525
748236	Sep 25, 2012	Sep 25, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Mumme-Tcu Unit #70HH	11,000	28333524
748236	Sep 25, 2012	Sep 25, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Mumme-Tcu Unit #70HH	11,000	28333524
746829	Sep 6, 2012	Sep 6, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Brown Trust #42HH	11,000	28333480
746829	Sep 6, 2012	Sep 6, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Brown Trust #42HH	11,000	28333480
746433	Sep 6, 2012	Sep 6, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Brown Trust #40HH	11,000	28333465
746433	Sep 6, 2012	Sep 6, 2012	Carrizo Oil & Gas, Inc.	LA Salle	Brown Trust #40HH	11,000	28333465

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/135401, documented in the API reference.