Texas oil lease

Producing

ROCKER "B" -Z10A-

Name: ROCKER "B" -Z10A- monthly oil and gas production, Reagan County, Texas
Creator: Texas Railroad Commission

Rocker "B" -Z10a- is an oil lease in Reagan County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

2 wells

293bbl oil, last 12 months−18% vs prior year

Operator: Diamondback E&P LLC
County: Reagan County
Field: Spraberry (Trend Area)
RRC lease: 7C-16395

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Where it sits

This county

Reagan County

Gas, last 12 months: 5,440 mcf
Oil in Jul 2026: 17 bbl

Checks stopped on this lease?

Operator
Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

Oil output fell 18% over the last 12 months

Oil (bars)
Gas (line)
Last 12 months

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission line

Processing plant (3)
Transmission line (2)
Lease fuel (1)

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Lease fuel (1)
56% · 3,040 mcf
Transmission line (2)
44% · 2,400 mcf

Who has run this lease

The operator changed once, most recently in Jan 2025

Diamondback E&P LLC Jan 2025 to now
Endeavor Energy Resources L.P. Jan 2020 to Dec 2024

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on ROCKER "B" -Z10A-
API number	Well no.	Status
42-383-30074	96	Active
42-383-30096	99	Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
Company	Product	Role	Share%	From	Until
Enterprise Crude Oil LLC	Oil	Gathers	100	Apr 1, 2025	–
Targa Pl Mid-Cont Westtex LLC	Casinghead gas	Buys	100	Nov 1, 2015	–
Targa Pl Mid-Cont Westtex LLC	Casinghead gas	Gathers	100	Oct 1, 2015	–
Oasis Transp & Marketing Corp.	Oil	Gathers	100	May 1, 2010	Apr 1, 2025

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

Who buys my oil Oil price check

What the drilling permits say

Good to know
The state has no unit acreage for this lease
Ask the operator for the acreage on your well's division order and unit plat.

Check your decimal on this lease

Permits for Rocker "B" -Z10a-
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-383-30074	96	–	Mar 8, 1970	–	–
42-383-30096	99	–	Jan 19, 1971	–	–

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

What Diamondback Energy, Inc. told investors it received

Diamondback E&P LLC is linked to Diamondback Energy, Inc. (FANG).

Realized prices reported by Diamondback Energy, Inc.
Quarter	Oil$ per bbl	Gas$ per mcf	Gas liquids$ per bbl	Filing
Q2 2026	$96.82	−$2.15	$18.56	SEC filing
Q1 2026	$73.47	$0.18	$16.68	SEC filing
Q4 2025	$58.00	$0.03	$13.51	SEC filing
Q3 2025	$64.60	$0.75	$17.28	SEC filing
Q2 2025	$63.23	$0.88	$18.13	SEC filing
Q1 2025	$70.95	$2.11	$23.94	SEC filing

SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for ROCKER "B" -Z10A-
Month	Operator	Oil producedbbl	Oil soldbbl	Gas producedmcf	Gas soldmcf, codes 2+3	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Diamondback E&P	Diamondback E&P LLC	17	0	383	73	$80.46	$2.89
Jun 2026Diamondback E&P	Diamondback E&P LLC	22	169	442	142	$84.81	$3.15
May 2026Diamondback E&P	Diamondback E&P LLC	26	0	523	213	$102.13	$2.94
Apr 2026Diamondback E&P	Diamondback E&P LLC	23	0	495	195	$100.32	$2.77
Mar 2026Diamondback E&P	Diamondback E&P LLC	29	0	531	221	$91.38	$3.04
Feb 2026Diamondback E&P	Diamondback E&P LLC	23	0	485	205	$64.51	$3.62
Jan 2026Diamondback E&P	Diamondback E&P LLC	25	0	507	197	$60.04	$7.72
Dec 2025Diamondback E&P	Diamondback E&P LLC	21	0	522	212	$57.97	$4.26
Nov 2025Diamondback E&P	Diamondback E&P LLC	26	165	555	255	$60.06	$3.79
Oct 2025Diamondback E&P	Diamondback E&P LLC	27	0	577	267	$60.89	$3.19
Sep 2025Diamondback E&P	Diamondback E&P LLC	27	0	248	248	$63.96	$2.97
Aug 2025Diamondback E&P	Diamondback E&P LLC	27	0	172	172	$64.86	$2.91
Jul 2025Diamondback E&P	Diamondback E&P LLC	29	0	211	211	$68.39	$3.20
Jun 2025Diamondback E&P	Diamondback E&P LLC	34	0	113	113	$68.17	$3.02
May 2025Diamondback E&P	Diamondback E&P LLC	17	160	49	49	$62.17	$3.12
Apr 2025Diamondback E&P	Diamondback E&P LLC	29	0	15	15	$63.54	$3.42
Mar 2025Diamondback E&P	Diamondback E&P LLC	30	0	156	156	$68.24	$4.12
Feb 2025Diamondback E&P	Diamondback E&P LLC	29	0	28	28	$71.53	$4.19
Jan 2025Diamondback E&P	Diamondback E&P LLC	33	0	78	78	$75.74	$4.13
Dec 2024Endeavor Energy	Endeavor Energy Resources L.P.	37	0	50	50	$70.12	$3.01
Nov 2024Endeavor Energy	Endeavor Energy Resources L.P.	31	188	0	0	$69.95	$2.12
Oct 2024Endeavor Energy	Endeavor Energy Resources L.P.	29	0	0	0	$71.99	$2.20
Sep 2024Endeavor Energy	Endeavor Energy Resources L.P.	35	0	97	97	$70.24	$2.28
Aug 2024Endeavor Energy	Endeavor Energy Resources L.P.	24	0	222	222	$76.68	$1.99
Jul 2024Endeavor Energy	Endeavor Energy Resources L.P.	28	0	196	196	$81.80	$2.07
Jun 2024Endeavor Energy	Endeavor Energy Resources L.P.	27	0	186	186	$79.77	$2.54
May 2024Endeavor Energy	Endeavor Energy Resources L.P.	35	177	181	181	$80.02	$2.12
Apr 2024Endeavor Energy	Endeavor Energy Resources L.P.	35	0	236	236	$85.35	$1.60
Mar 2024Endeavor Energy	Endeavor Energy Resources L.P.	39	0	254	254	$81.28	$1.49
Feb 2024Endeavor Energy	Endeavor Energy Resources L.P.	32	0	233	233	$77.25	$1.72
Jan 2024Endeavor Energy	Endeavor Energy Resources L.P.	32	0	227	227	$74.15	$3.18
Dec 2023Endeavor Energy	Endeavor Energy Resources L.P.	41	123	244	244	$71.90	$2.52
Nov 2023Endeavor Energy	Endeavor Energy Resources L.P.	33	0	223	223	$77.69	$2.71
Oct 2023Endeavor Energy	Endeavor Energy Resources L.P.	31	0	221	221	$85.64	$2.98
Sep 2023Endeavor Energy	Endeavor Energy Resources L.P.	39	0	217	217	$89.43	$2.64
Aug 2023Endeavor Energy	Endeavor Energy Resources L.P.	25	173	218	218	$81.39	$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

Leases within 10 km

SRH CARLTON "10"
494 bbl · 0.2 km
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519 bbl · 0.5 km
SRH-A-
49,641 bbl · 0.7 km
SRH "8C"
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SRH-B-
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SRH - CARLTON "10A"
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SRH - JACKSON "9"
463 bbl · 1.4 km
SRH KINDEE C
0 bbl · 1.6 km
SRH KINDEE B
0 bbl · 1.8 km

Drilling permits within 10 km

SRH-C-1 #0222WF
new drill · horizontal · Discovery Natural Resources LLC · Reagan County · 6 km
Permit 0918600 · Sep 21, 2026
NORTH CREEK D #0417MB
new drill · horizontal · Discovery Natural Resources LLC · Reagan County · 6 km
Permit 0918148 · Sep 4, 2026
NORTH CREEK C #0416MB
new drill · horizontal · Discovery Natural Resources LLC · Reagan County · 6 km
Permit 0918147 · Sep 4, 2026
NORTH CREEK H #0401LA
new drill · horizontal · Discovery Natural Resources LLC · Reagan County · 6 km
Permit 0918150 · Sep 4, 2026
NORTH CREEK F #0402MB
new drill · horizontal · Discovery Natural Resources LLC · Reagan County · 6 km
Permit 0918151 · Sep 3, 2026

Is your check right?

Where it sits

Checks stopped on this lease?

Production by month

Oil output fell 18% over the last 12 months

Where the gas went

Since Oct 2025 the lease's gas goes to lease fuel instead of a transmission line

Who has run this lease

The operator changed once, most recently in Jan 2025

2 wells on this lease

Buyers and gatherers

What the drilling permits say

What Diamondback Energy, Inc. told investors it received

Estimate your royalty

36 months, newest first

Do your checks match this lease?

Nearby

This lease belongs to

Diamondback E&P LLC in Reagan County

Spraberry (Trend Area) field

Leases within 10 km

Drilling permits within 10 km