Castlerock Ef Operating LLC

Oil & Gas Operator

Map of Wells Full Screen Map 3-D Map

Company Summary

Here are a few key data points for Castlerock Ef Operating LLC. This page represents an aggregation of wells ( and leases where applicable ) to provide a more complete view when looking at oil and gas properties in the U.S.

Operating State	TX
Production Dates	Jan 2022 - Oct 2025
Total Oil Production	3,100,880 BBLs
Total Gas Production	3,241,809 MCF
Estimated Daily Oil Prod.	2,270 BBLs
Estimated Daily Gas Prod.	3,444 MCF
Estimated Daily Water Prod.	10,107 BBLs
Producing Wells	44

Castlerock Ef Operating LLC Production Graph

Aggregated production of all wells and leases associated with this operator

Subscribe for Full Access Subscribe now to gain immediate access
to oil and gas production for Castlerock Ef Operating LLC
from Jan 2022 to Oct 2025

Wells Operated by Castlerock Ef Operating LLC

API #	Well Name	Status	County	Est. Daily Oil Prod.	Est. Daily Gas Prod.	Est. Daily Water Prod.	Latitude	Longitude
API #	Well Name	Status	County	Est. Daily Oil Prod.	Est. Daily Gas Prod.	Est. Daily Water Prod.	Latitude	Longitude
42-311-37216	CRX YBAR 1H	PRODUCING	McMullen County, TX				28.498302	-98.769091
42-311-37217	CRX YBAR 2H	PRODUCING	McMullen County, TX				28.498303	-98.769030
42-311-37218	CRX YBAR 3H	PRODUCING	McMullen County, TX				28.498304	-98.768968
42-311-37411	CRX YBAR 8H	PRODUCING	McMullen County, TX				28.498366	-98.762021
42-311-37412	CRX YBAR 9H	PRODUCING	McMullen County, TX				28.498367	-98.761958
42-283-37310	CRX YBAR A 4H	PRODUCING	La Salle County, TX				28.550373	-98.825159
42-283-37311	CRX YBAR B 5H	PRODUCING	La Salle County, TX				28.550371	-98.825097
42-283-37312	CRX YBAR C 6H	PRODUCING	La Salle County, TX				28.550369	-98.825035
42-283-37313	CRX YBAR D 7H	PRODUCING	La Salle County, TX				28.550367	-98.824972
42-311-37413	CRX YBAR E 10H	PRODUCING	McMullen County, TX				28.498368	-98.761896
42-311-35384	Y BAR MCM A1H	Horizontal Well Surface Locatio	McMullen County, TX				28.538974	-98.770629
42-311-35428	Y BAR MCM B1H	SHUT IN	McMullen County, TX				28.539071	-98.778690
42-283-33719	Y-BAR 10H	PRODUCING	La Salle County, TX				28.532386	-98.814737
42-283-37637	Y-BAR 110H	SHUT IN	La Salle County, TX				28.515248	-98.808344
42-283-33720	Y-BAR 11H	SHUT IN	La Salle County, TX				28.532386	-98.814690
42-283-37638	Y-BAR 120H	SHUT IN	La Salle County, TX				28.515252	-98.808282
42-283-33728	Y-BAR 12H	PRODUCING	La Salle County, TX				28.532386	-98.814768
42-283-37639	Y-BAR 130H	SHUT IN	La Salle County, TX				28.515257	-98.808220
42-283-33730	Y-BAR 13H	PRODUCING	La Salle County, TX				28.532387	-98.814846
42-311-35063	Y-BAR 14H	PRODUCING	McMullen County, TX				28.535114	-98.788684
42-311-37499	Y-BAR 150H	PRODUCING	McMullen County, TX				28.515928	-98.800118
42-311-35060	Y-BAR 15H	PRODUCING	McMullen County, TX				28.535439	-98.789305
42-311-37500	Y-BAR 160H UNIT 160H	PRODUCING	McMullen County, TX				28.515934	-98.800057
42-311-35059	Y-BAR 16H	PRODUCING	McMullen County, TX				28.535115	-98.788839
42-311-37493	Y-BAR 170H UNIT 170H	PRODUCING	McMullen County, TX				28.515942	-98.799969
42-283-33689	Y-BAR 18H	PRODUCING	La Salle County, TX				28.532381	-98.820153
42-283-33690	Y-BAR 19H	PRODUCING	La Salle County, TX				28.532382	-98.820231
42-311-34297	Y-BAR 1H	PRODUCING	McMullen County, TX				28.516357	-98.793142
42-283-33691	Y-BAR 20H	PRODUCING	La Salle County, TX				28.532382	-98.820309
42-283-33692	Y-BAR 21H	PRODUCING	La Salle County, TX				28.532382	-98.820387
42-311-35166	Y-BAR 22H	PRODUCING	McMullen County, TX				28.535669	-98.785649
42-311-35167	Y-BAR 23H	PRODUCING	McMullen County, TX				28.535669	-98.785727
42-311-35180	Y-BAR 24H	PRODUCING	McMullen County, TX				28.535167	-98.791672
42-311-35179	Y-BAR 25H	PRODUCING	McMullen County, TX				28.535167	-98.791750
42-283-33860	Y-BAR 26H	PRODUCING	La Salle County, TX				28.532382	-98.820465
42-283-33861	Y-BAR 27H	PRODUCING	La Salle County, TX				28.532382	-98.820543
42-311-34769	Y-BAR 2H	PRODUCING	McMullen County, TX				28.532407	-98.802746
42-311-34768	Y-BAR 3H	PRODUCING	McMullen County, TX				28.532407	-98.802824
42-311-34770	Y-BAR 4H	PRODUCING	McMullen County, TX				28.532407	-98.802902
42-311-34771	Y-BAR 5H	PRODUCING	McMullen County, TX				28.532407	-98.802980
42-283-33048	Y-BAR 6H	PRODUCING	La Salle County, TX				28.532308	-98.809316
42-283-33049	Y-BAR 7H	PRODUCING	La Salle County, TX				28.532396	-98.809366
42-283-33053	Y-BAR 8H	PRODUCING	La Salle County, TX				28.532396	-98.809444
42-283-33054	Y-BAR 9H	PRODUCING	La Salle County, TX				28.532397	-98.809522
42-311-37494	Y-BAR A 180H	PRODUCING	McMullen County, TX				28.515948	-98.799905
42-311-35413	Y-BAR UNIT A 1H	PRODUCING	McMullen County, TX				28.535168	-98.792528
42-311-35423	Y-BAR UNIT A 2H	PRODUCING	McMullen County, TX				28.535168	-98.792606
42-311-35882	Y-BAR UNIT A 3H	PRODUCING	McMullen County, TX				28.535168	-98.792528
42-311-36056	Y-BAR UNIT C 1H	PRODUCING	McMullen County, TX				28.539114	-98.781464
42-283-34660	Y-BAR WEST UNIT A 1H	PRODUCING	La Salle County, TX				28.532364	-98.829613

View All Wells Operated by Castlerock Ef Operating LLC

Leases Operated by Castlerock Ef Operating LLC

Lease #	Lease Name	County	Monthly Oil Prod.	Monthly Gas Prod.
Lease #	Lease Name	County	Monthly Oil Prod.	Monthly Gas Prod.
01-20805	CRX YBAR	McMullen County, TX
01-21078	CRX YBAR A	La Salle County, TX
01-21058	CRX YBAR B	La Salle County, TX
01-21055	CRX YBAR C	La Salle County, TX
01-21063	CRX YBAR D	La Salle County, TX
01-21296	CRX YBAR E	McMullen County, TX
01-16919	Y BAR MCM	McMullen County, TX
01-15530	Y-BAR	La Salle County, TX
01-21601	Y-BAR 160H UNIT	McMullen County, TX
01-21596	Y-BAR 170H UNIT	McMullen County, TX
01-21649	Y-BAR A	McMullen County, TX
01-18084	Y-BAR EAST	McMullen County, TX
01-18270	Y-BAR EAST UNIT A	McMullen County, TX
01-17978	Y-BAR UNIT A	McMullen County, TX
01-18268	Y-BAR UNIT C	McMullen County, TX
01-18302	Y-BAR WEST	La Salle County, TX
01-18287	Y-BAR WEST UNIT A	La Salle County, TX

Properties Operated by Castlerock Ef Operating LLC

Property Name	County	Period	Monthly Oil Prod.	Monthly Gas Prod.	Production Range	Active Wells
CRX YBAR	McMullen County, TX	Jun 2025	13,727 BBLs	27,247 MCF	Aug 2022 - Jul 2025	6
CRX YBAR	La Salle County, TX	Jun 2025	19,964 BBLs	24,534 MCF	Mar 2023 - Jul 2025	4
Y-BAR	La Salle County, TX	Jun 2025	31,191 BBLs	47,742 MCF	Jul 2011 - Jul 2025	35
Y-BAR EAST	McMullen County, TX		0 BBLs	0 MCF	Jul 2014 - Sep 2024	2
Y-BAR UNIT	McMullen County, TX	Jun 2025	921 BBLs	351 MCF	Sep 2014 - Jul 2025	5
Y-BAR WEST	La Salle County, TX	Jun 2025	18 BBLs	1 MCF	Jun 2014 - Jul 2025	2

Recent Permits Filed by Castlerock Ef Operating LLC

Well Name	County	API #	Submitted	Approved	Type	Drill	Well	Status	Proposed Depth
Please Subscribe to View Permits filed by Castlerock Ef Operating LLC

Company Contact Information

These are the contact records we have for Castlerock Ef Operating LLC. They are obtained from the state and county goverment agency where we obtain our data.

Address	Phone #
111 Tower Drive Suite 300, San Antonio TX	USA
111 TOWER DR STE 300, SAN ANTONIO, TX 78232-3625
111 TOWER DRIVE SUITE 300 SAN ANTONIO, TX 78232	(210) 688-4570

Other Companies

Company Name
Castle Exploration Company Inc
Castle Gas Company Inc
Castle Gas Corporation
Castle Minerals
Castle Operating LLC
Castle Production Company
Castle Resources
Castle Resources, Inc.
Castle Rock Oil LLC
Castle-Rock Prod
Castlerock Oil Company, Inc.
Castlerock Operating, LLC
Castlerock Resources Inc
Castor Exploration, Inc.
Castor Production, L.L.C.
Caswell Bros. Oil Co.
Cat Canyon Resources LLC
Cat Creek Holdings LLC
Cat Energy, LLC
Cat Oil