Texas oil lease

Producing

CHEST THUMPER 1-5 UNIT 1B

Name: CHEST THUMPER 1-5 UNIT 1B monthly oil and gas production, Martin County, Texas
Creator: Texas Railroad Commission

Chest Thumper 1-5 Unit 1B is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

3 wells

126,292bbl oil, last 12 months−58% vs prior year

Operator: Diamondback E&P LLC
County: Martin County
Field: Spraberry (Trend Area)
RRC lease: 08-60620

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Where it sits

This county

Martin County

Gas, last 12 months: 826,901 mcf
Oil in Jul 2026: 9,094 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 58% 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 Nov 2024 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 6.4% of the gas in Apr 2024.

Processing plant (3)
Transmission line (2)
Lease fuel (1)
Flared (4)

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Transmission line (2)
89% · 736,130 mcf
Lease fuel (1)
11% · 88,808 mcf
Flared (4)
0.2% · 1,963 mcf

0.2% of the gas flared in the last 12 months. One month above 3%.

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. Apr 2024 to Dec 2024

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

3 wells on this lease

Wells on CHEST THUMPER 1-5 UNIT 1B
API number	Well no.	Status
42-317-45295	211	Active
42-317-45296	224	Active
42-317-45297	234	Active

SourceTexas Railroad Commission Wellbore Query.

809.66 acres on the newest permit

Check your decimal on this lease

Permits for Chest Thumper 1-5 Unit 1B
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-317-45295	211	Jun 8, 2023	Feb 4, 2024	809.66	Horizontal
42-317-45296	224	Jun 8, 2023	Oct 15, 2023	809.66	Horizontal
42-317-45297	234	Jun 8, 2023	Oct 3, 2023	809.66	Horizontal

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

28 months, newest first

Ledger for CHEST THUMPER 1-5 UNIT 1B
Month	Operator	Oil producedbbl	Oil soldbbl	Gas producedmcf	Gas soldmcf, codes 2+3	Flaredmcf	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Diamondback E&P	Diamondback E&P LLC	9,094	9,183	53,104	45,453	0	$80.46	$2.89
Jun 2026Diamondback E&P	Diamondback E&P LLC	9,529	9,533	54,599	47,073	0	$84.81	$3.15
May 2026Diamondback E&P	Diamondback E&P LLC	10,711	10,688	59,683	51,928	0	$102.13	$2.94
Apr 2026Diamondback E&P	Diamondback E&P LLC	9,630	9,646	46,101	37,875	700	$100.32	$2.77
Mar 2026Diamondback E&P	Diamondback E&P LLC	8,221	8,258	31,218	23,597	1	$91.38	$3.04
Feb 2026Diamondback E&P	Diamondback E&P LLC	3,935	3,940	30,347	23,674	57	$64.51	$3.62
Jan 2026Diamondback E&P	Diamondback E&P LLC	4,907	5,044	50,249	43,527	210	$60.04	$7.72
Dec 2025Diamondback E&P	Diamondback E&P LLC	11,821	11,608	95,595	87,740	162	$57.97	$4.26
Nov 2025Diamondback E&P	Diamondback E&P LLC	12,995	12,966	94,459	86,878	447	$60.06	$3.79
Oct 2025Diamondback E&P	Diamondback E&P LLC	13,509	13,741	94,731	87,201	57	$60.89	$3.19
Sep 2025Diamondback E&P	Diamondback E&P LLC	15,365	15,145	114,002	106,198	278	$63.96	$2.97
Aug 2025Diamondback E&P	Diamondback E&P LLC	16,575	16,562	102,813	94,986	51	$64.86	$2.91
Jul 2025Diamondback E&P	Diamondback E&P LLC	15,226	15,215	60,254	52,478	0	$68.39	$3.20
Jun 2025Diamondback E&P	Diamondback E&P LLC	12,446	12,478	58,386	50,860	0	$68.17	$3.02
May 2025Diamondback E&P	Diamondback E&P LLC	17,336	17,317	87,896	80,120	0	$62.17	$3.12
Apr 2025Diamondback E&P	Diamondback E&P LLC	17,764	17,771	78,845	71,375	46	$63.54	$3.42
Mar 2025Diamondback E&P	Diamondback E&P LLC	19,951	19,991	73,096	65,326	12	$68.24	$4.12
Feb 2025Diamondback E&P	Diamondback E&P LLC	21,333	21,353	76,272	69,335	23	$71.53	$4.19
Jan 2025Diamondback E&P	Diamondback E&P LLC	24,252	24,250	91,139	83,215	271	$75.74	$4.13
Dec 2024Endeavor Energy	Endeavor Energy Resources L.P.	27,870	27,893	86,570	78,933	0	$70.12	$3.01
Nov 2024Endeavor Energy	Endeavor Energy Resources L.P.	29,905	29,875	103,916	96,552	2	$69.95	$2.12
Oct 2024Endeavor Energy	Endeavor Energy Resources L.P.	36,122	36,107	120,248	118,499	190	$71.99	$2.20
Sep 2024Endeavor Energy	Endeavor Energy Resources L.P.	39,933	39,935	116,831	114,395	934	$70.24	$2.28
Aug 2024Endeavor Energy	Endeavor Energy Resources L.P.	38,026	37,984	69,706	68,554	277	$76.68	$1.99
Jul 2024Endeavor Energy	Endeavor Energy Resources L.P.	40,101	40,102	51,906	51,129	117	$81.80	$2.07
Jun 2024Endeavor Energy	Endeavor Energy Resources L.P.	43,155	43,157	47,262	46,212	388	$79.77	$2.54
May 2024Endeavor Energy	Endeavor Energy Resources L.P.	58,268	58,336	52,704	51,861	12	$80.02	$2.12
Apr 2024Endeavor Energy	Endeavor Energy Resources L.P.	46,044	45,888	47,505	44,248	3,018	$85.35	$1.60

Flared above 3%

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

CHEST THUMPER 1-5 UNIT 1A
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GREYSTOKE 1-5 E
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GREYSTOKE 1-5 D
262,846 bbl · 0.8 km

Drilling permits within 10 km

BULLDAWG SWD #1
new drill · Backyard Environ State Line LLC · Martin County · 8.9 km
Permit 0919052 · Sep 30, 2026
DICKENSON W19G #7H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County · 5.3 km
Permit 0917991 · Sep 28, 2026
DICKENSON W19I #9H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County · 5.3 km
Permit 0917994 · Sep 28, 2026
DICKENSON W19F #6H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County · 5.3 km
Permit 0918174 · Sep 28, 2026
DICKENSON W19H #8H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County · 5.3 km
Permit 0917993 · Sep 28, 2026

Is your check right?

Where it sits

Checks stopped on this lease?

Production by month

Oil output fell 58% over the last 12 months

Where the gas went

Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant

Who has run this lease

The operator changed once, most recently in Jan 2025

3 wells on this lease

809.66 acres on the newest permit

What Diamondback Energy, Inc. told investors it received

Estimate your royalty

28 months, newest first

Do your checks match this lease?

Nearby

This lease belongs to

Diamondback E&P LLC in Martin County

Spraberry (Trend Area) field

Leases within 10 km

Drilling permits within 10 km