Texas oil lease
ProducingMAMMOTH 54-1-18-19 R
Mammoth 54-1-18-19 R is an oil lease in Loving County, Texas, operated by Anadarko E&P Onshore LLC in the Phantom (Wolfcamp) field.
1 well
- Operator
- Anadarko E&P Onshore LLC
- County
- Loving County
- Field
- Phantom (Wolfcamp)
- RRC lease
- 08-65382
Is your check right?
Where it sits
This county
- Gas, since Dec 2025
- 440,391 mcf
- Oil in Jul 2026
- 8,972 bbl
Production started December 2025; the first check is due by about April 30, 2026 (estimate).
When is my first royalty check due?Production by month
Oil output fell 63% since Dec 2025
- Oil (bars)
- Gas (line)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
98% of the gas went to a processing plant in the 8 months reported
- Processing plant (3)
- Lease fuel (1)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Processing plant (3)
98% · 429,724 mcf
Lease fuel (1)
2.4% · 10,667 mcf
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-301-37371 | 71H | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From |
|---|---|---|---|---|
| Dbm Oil Services LLC | Oil | Gathers | 90 | Dec 26, 2025 |
| Indeca Crude Xpress, LLC | Oil | Gathers | 10 | Dec 26, 2025 |
| Anadarko Energy Services Company | Casinghead gas | Buys | 100 | Dec 26, 2025 |
| Delaware Basin Midstream LLC | Casinghead gas | Gathers | 100 | Dec 26, 2025 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
1,287.88 acres on the newest permit
- Worth asking
An allocation well is on this lease
A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-301-37371 | 71H | Apr 17, 2025 | Dec 26, 2025 | 1,287.88 |
What Occidental Petroleum Corporation told investors it received
| Quarter | Oil$ per bbl | Gas$ per mcf | Gas liquids$ per bbl | Filing |
|---|---|---|---|---|
| Q2 2026 | $96.78 | −$0.80 | $24.64 | SEC filing |
| Q1 2026 | $69.91 | $1.20 | $18.99 | SEC filing |
| Q4 2025 | $58.99 | $1.29 | $16.66 | SEC filing |
| Q3 2025 | $64.78 | $1.57 | $19.60 | SEC filing |
| Q2 2025 | $63.76 | $1.46 | $20.71 | SEC filing |
| Q1 2025 | $71.07 | $2.30 | $25.94 | SEC filing |
SourceOccidental Petroleum Corporation quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
8 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026 | 8,972 | 8,972 | 32,678 | 31,601 | 0 | $80.46 | $2.89 |
| Jun 2026 | 8,879 | 8,879 | 33,806 | 32,728 | 0 | $84.81 | $3.15 |
| May 2026 | 10,835 | 10,835 | 42,410 | 41,217 | 0 | $102.13 | $2.94 |
| Apr 2026 | 13,160 | 13,160 | 47,746 | 46,459 | 0 | $100.32 | $2.77 |
| Mar 2026 | 19,461 | 19,461 | 62,240 | 60,734 | 0 | $91.38 | $3.04 |
| Feb 2026 | 28,809 | 28,809 | 88,454 | 86,441 | 0 | $64.51 | $3.62 |
| Jan 2026 | 47,172 | 47,172 | 130,023 | 127,605 | 0 | $60.04 | $7.72 |
| Dec 2025 | 1,019 | 1,019 | 3,034 | 2,939 | 0 | $57.97 | $4.26 |
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.
How to check your stub against this lease Checks stopped on this lease? See the likely reasonsDo your checks match this lease?
Nearby
This lease belongs to
Anadarko E&P Onshore LLC in Loving County
- MAMMOTH 54-1-18-19 K
817,718 mcf
- HAMMERHEAD 54-1-28-21 B
150,004 bbl
- HAMMERHEAD 54-1-28 UNIT
476,646 mcf
- SIERRA STATE 54-1-7-6 B
129,916 bbl
- GLACIER 29-0-28-40 E
151,301 bbl
- OAK 55-1-31-30 A
534,337 mcf
- MAMMOTH 54-1-18-19 V
488,816 mcf
- PRICELESS C26-1 UNIT D
140,763 bbl
- MAMMOTH 54-1-18-19 T
134,172 bbl
- JUMPSTART 55-2-6 UNIT
563,426 mcf
Phantom (Wolfcamp) field
- CASPER STATE 57-1-47-11 B
695,115 mcf
- VICKSBURG STATE UNIT
660,873 mcf
- STATE FINKLE UNIT
1,524,996 mcf
- CBR 11-2I-56-1
804,737 mcf
- UL 20 POPPIN CORK D
148,352 bbl
- COWPOKE STATE C19-15-13-18
1,293,091 mcf
- UTL 4231B
149,247 bbl
- STATE CAMP 56-T2-14X11
546,654 mcf
- UTL 4231L
149,080 bbl
- UL GENE PARMESAN A1
150,032 bbl
Leases within 10 km
- MAMMOTH 54-1-18-19 Q
185,158 bbl · 0 km
- MAMMOTH 54-1-18-19 S
90,791 bbl · 0 km
- MAMMOTH 54-1-18-19 T
134,172 bbl · 0 km
- MAMMOTH 54-1-18-19 H
880,166 mcf · 0 km
- MAMMOTH 54-1-18-19 I
139,698 bbl · 0 km
- SIERRA STATE 54-1-7-6 A
830,052 mcf · 0.1 km
- MAMMOTH 54-1-18-19 J
693,464 mcf · 0.1 km
- SIERRA STATE 54-1-7-6 B
129,916 bbl · 0.1 km
- SIERRA STATE 54-1-7-6 C
119,442 bbl · 0.1 km
- MAMMOTH 54-1-18-19 K
817,718 mcf · 0.4 km
Drilling permits within 10 km
ST. CLOUD 76 3031 TG #711H
recompletion · horizontal · XTO Energy Inc. · Loving County · 9.7 km
Permit 0919008 · Sep 30, 2026
THRESHER 54-1-17 #22U
new drill · horizontal · Anadarko E&P Onshore LLC · Loving County · 2.2 km
Permit 0917377 · Jul 24, 2026
THRESHER 54-1-17 #12U
new drill · horizontal · Anadarko E&P Onshore LLC · Loving County · 2.2 km
Permit 0917375 · Jul 24, 2026
THRESHER 54-1-17 #11U
new drill · horizontal · Anadarko E&P Onshore LLC · Loving County · 2.2 km
Permit 0917373 · Jul 24, 2026
THRESHER 54-1-17 #13U
new drill · horizontal · Anadarko E&P Onshore LLC · Loving County · 2.2 km
Permit 0917378 · Jul 24, 2026