Texas oil lease

Producing

CERF-A

Name: CERF-A monthly oil and gas production, Navarro County, Texas
Creator: Texas Railroad Commission

Cerf-A is an oil lease in Navarro County, Texas, operated by Ko Operating LLC in the Corsicana (Shallow) field.

16 wells

582bbl oil, last 12 months+32% vs prior year

Operator: Ko Operating LLC
County: Navarro County
Field: Corsicana (Shallow)
RRC lease: 05-03856

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Where it sits

This county

Navarro County

Oil in Jul 2026: 35 bbl
Reporting since: Jan 2020

Production by month

Oil output rose 32% over the last 12 months

Oil (bars)
Last 12 months

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed once, most recently in Oct 2024

Ko Operating LLC Oct 2024 to now
Iskandia Energy Operating, Inc. Jan 2020 to Sep 2024

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

16 wells on this lease

Wells on CERF-A
API number	Well no.	Status
42-349-31852	13	Shut-in
42-349-32792	1	Shut-in
42-349-32828	2A	Active
42-349-32829	3	Shut-in
42-349-33744	4	Shut-in
42-349-33845	5A	Shut-in
42-349-34631	8	Shut-in
42-349-34632	9	Shut-in
42-349-34714	14	Shut-in
42-349-34724	15	Shut-in
42-349-34725	16	Shut-in
42-349-34805	10	Shut-in
42-349-34810	5	Active
42-349-34853	12	Shut-in
42-349-83050	6A	Active
42-349-83214	7	Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From	Until
Eastex Crude Company, LLC	Oil	Gathers	99	Sep 1, 2026	–
Plains Marketing, L.p.	Oil	Gathers	1	Sep 1, 2026	–
Plains Marketing, L.p.	Oil	Gathers	100	May 1, 2021	Sep 1, 2026
First River Energy, LLC	Oil	Gathers	50	Oct 1, 2016	May 1, 2021
Lion Oil Trading & Trans, LLC	Oil	Gathers	50	Aug 1, 2016	May 1, 2021

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oil Oil price check

183.30 acres on the newest permit

The wells on this lease state different acreage

The permits state between 46 and 203 acres.

19 wells are listed on this lease

Permits for Cerf-A
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-349-34714	14	Nov 5, 2015	Aug 15, 2005	183.30	Vertical
42-349-34724	15	Nov 5, 2015	Nov 1, 2005	183.30	Vertical
42-349-34725	16	Nov 5, 2015	Nov 5, 2005	183.30	Vertical
42-349-34853	12	Jul 2, 2008	Oct 10, 2008	194.07	Vertical
42-349-34853	6	Jul 2, 2008	Oct 10, 2008	194.07	Vertical
42-349-34810	11	Jun 15, 2007	Sep 27, 2007	202	Vertical
42-349-34810	5	Jun 15, 2007	Sep 27, 2007	202	Vertical
42-349-34805	10	May 15, 2007	Nov 16, 2007	202	Vertical
42-349-34805	2	May 15, 2007	Nov 16, 2007	202	Vertical
42-349-34632	9	Aug 30, 2000	Apr 4, 2001	46	Vertical
42-349-34631	8	Aug 28, 2000	Apr 7, 2002	46	Vertical
42-349-83214	7	Aug 13, 1986	Sep 29, 1986	186	Vertical

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for CERF-A
Month	Operator	Oil producedbbl	Oil soldbbl	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Ko Operating	Ko Operating LLC	35	0	$80.46	$2.89
Jun 2026Ko Operating	Ko Operating LLC	88	142	$84.81	$3.15
May 2026Ko Operating	Ko Operating LLC	37	0	$102.13	$2.94
Apr 2026Ko Operating	Ko Operating LLC	43	141	$100.32	$2.77
Mar 2026Ko Operating	Ko Operating LLC	33	0	$91.38	$3.04
Feb 2026Ko Operating	Ko Operating LLC	43	0	$64.51	$3.62
Jan 2026Ko Operating	Ko Operating LLC	16	0	$60.04	$7.72
Dec 2025Ko Operating	Ko Operating LLC	53	83	$57.97	$4.26
Nov 2025Ko Operating	Ko Operating LLC	75	0	$60.06	$3.79
Oct 2025Ko Operating	Ko Operating LLC	39	0	$60.89	$3.19
Sep 2025Ko Operating	Ko Operating LLC	31	79	$63.96	$2.97
Aug 2025Ko Operating	Ko Operating LLC	89	86	$64.86	$2.91
Jul 2025Ko Operating	Ko Operating LLC	88	86	$68.39	$3.20
Jun 2025Ko Operating	Ko Operating LLC	35	0	$68.17	$3.02
May 2025Ko Operating	Ko Operating LLC	59	163	$62.17	$3.12
Apr 2025Ko Operating	Ko Operating LLC	87	78	$63.54	$3.42
Mar 2025Ko Operating	Ko Operating LLC	89	0	$68.24	$4.12
Feb 2025Ko Operating	Ko Operating LLC	17	16	$71.53	$4.19
Jan 2025Ko Operating	Ko Operating LLC	18	40	$75.74	$4.13
Dec 2024Ko Operating	Ko Operating LLC	7	0	$70.12	$3.01
Nov 2024Ko Operating	Ko Operating LLC	6	0	$69.95	$2.12
Oct 2024Ko Operating	Ko Operating LLC	12	0	$71.99	$2.20
Sep 2024Iskandia Energy	Iskandia Energy Operating, Inc.	13	55	$70.24	$2.28
Aug 2024Iskandia Energy	Iskandia Energy Operating, Inc.	10	0	$76.68	$1.99
Jul 2024Iskandia Energy	Iskandia Energy Operating, Inc.	7	0	$81.80	$2.07
Jun 2024Iskandia Energy	Iskandia Energy Operating, Inc.	46	52	$79.77	$2.54
May 2024Iskandia Energy	Iskandia Energy Operating, Inc.	57	55	$80.02	$2.12
Apr 2024Iskandia Energy	Iskandia Energy Operating, Inc.	29	56	$85.35	$1.60
Mar 2024Iskandia Energy	Iskandia Energy Operating, Inc.	30	45	$81.28	$1.49
Feb 2024Iskandia Energy	Iskandia Energy Operating, Inc.	43	40	$77.25	$1.72
Jan 2024Iskandia Energy	Iskandia Energy Operating, Inc.	61	0	$74.15	$3.18
Dec 2023Iskandia Energy	Iskandia Energy Operating, Inc.	60	129	$71.90	$2.52
Nov 2023Iskandia Energy	Iskandia Energy Operating, Inc.	7	0	$77.69	$2.71
Oct 2023Iskandia Energy	Iskandia Energy Operating, Inc.	0	0	$85.64	$2.98
Sep 2023Iskandia Energy	Iskandia Energy Operating, Inc.	0	0	$89.43	$2.64
Aug 2023Iskandia Energy	Iskandia Energy Operating, Inc.	1	0	$81.39	$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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