Texas oil lease
ProducingAMACKER 66F
Amacker 66F is an oil lease in Upton County, Texas, operated by Cog Operating LLC in the Spraberry (Trend Area) field.
1 well
- Operator
- Cog Operating LLC
- County
- Upton County
- RRC lease
- 7C-20848
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 325,247 mcf
- Oil in Jul 2026
- 1,089 bbl
Production by month
Oil output fell 26% 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
96% of the gas went to a processing plant in the last 12 months
- Processing plant (3)
- Lease fuel (1)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Processing plant (3)
96% · 312,371 mcf
Lease fuel (1)
4.0% · 12,876 mcf
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-461-41074 | 6606BH | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From |
|---|---|---|---|---|
| Enlink Crude Marketing, LLC | Oil | Gathers | 100 | Jun 15, 2019 |
| Targa Pl Mid-Cont Westtex LLC | Casinghead gas | Buys | 100 | Jun 15, 2019 |
| Targa Pl Mid-Cont Westtex LLC | Casinghead gas | Gathers | 100 | Jun 15, 2019 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
What ConocoPhillips told investors it received
| Quarter | Oil$ per bbl | Gas$ per mcf | Gas liquids$ per bbl | Filing |
|---|---|---|---|---|
| Q2 2026 | $99.40 | $2.58 | $24.54 | SEC filing |
| Q1 2026 | $73.47 | $4.09 | $20.42 | SEC filing |
| Q3 2025 | $66.13 | $4.28 | $19.20 | SEC filing |
| Q2 2025 | $64.23 | $4.16 | $20.98 | SEC filing |
| Q1 2025 | $71.65 | $5.62 | $25.40 | SEC filing |
| Q3 2024 | $76.77 | $4.42 | $21.93 | SEC filing |
SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026 | 1,089 | 1,092 | 28,109 | 26,878 | 0 | $80.46 | $2.89 |
| Jun 2026 | 1,132 | 1,132 | 29,632 | 28,442 | 0 | $84.81 | $3.15 |
| May 2026 | 1,207 | 1,210 | 29,940 | 28,693 | 0 | $102.13 | $2.94 |
| Apr 2026 | 1,195 | 1,190 | 28,953 | 27,747 | 0 | $100.32 | $2.77 |
| Mar 2026 | 1,274 | 1,280 | 26,480 | 25,431 | 0 | $91.38 | $3.04 |
| Feb 2026 | 1,256 | 1,264 | 23,938 | 23,000 | 0 | $64.51 | $3.62 |
| Jan 2026 | 1,353 | 1,335 | 27,037 | 25,949 | 0 | $60.04 | $7.72 |
| Dec 2025 | 1,433 | 1,442 | 26,985 | 25,941 | 0 | $57.97 | $4.26 |
| Nov 2025 | 1,394 | 1,401 | 25,320 | 24,368 | 0 | $60.06 | $3.79 |
| Oct 2025 | 1,458 | 1,412 | 26,209 | 25,232 | 0 | $60.89 | $3.19 |
| Sep 2025 | 1,024 | 1,055 | 25,481 | 24,529 | 0 | $63.96 | $2.97 |
| Aug 2025 | 1,164 | 1,133 | 27,163 | 26,161 | 0 | $64.86 | $2.91 |
| Jul 2025 | 1,316 | 1,333 | 23,416 | 22,534 | 0 | $68.39 | $3.20 |
| Jun 2025 | 1,686 | 1,686 | 26,664 | 25,711 | 0 | $68.17 | $3.02 |
| May 2025 | 1,693 | 1,683 | 28,943 | 27,917 | 0 | $62.17 | $3.12 |
| Apr 2025 | 1,635 | 1,647 | 27,124 | 26,174 | 0 | $63.54 | $3.42 |
| Mar 2025 | 1,721 | 1,710 | 29,001 | 28,010 | 0 | $68.24 | $4.12 |
| Feb 2025 | 1,461 | 1,476 | 28,057 | 27,151 | 0 | $71.53 | $4.19 |
| Jan 2025 | 1,881 | 1,867 | 28,265 | 27,315 | 0 | $75.74 | $4.13 |
| Dec 2024 | 1,740 | 1,744 | 29,061 | 28,097 | 0 | $70.12 | $3.01 |
| Nov 2024 | 1,579 | 1,585 | 24,820 | 23,922 | 0 | $69.95 | $2.12 |
| Oct 2024 | 1,856 | 1,856 | 23,306 | 22,502 | 0 | $71.99 | $2.20 |
| Sep 2024 | 1,749 | 1,740 | 19,525 | 18,827 | 0 | $70.24 | $2.28 |
| Aug 2024 | 1,796 | 1,799 | 21,220 | 20,471 | 0 | $76.68 | $1.99 |
| Jul 2024 | 1,926 | 1,971 | 20,768 | 20,034 | 0 | $81.80 | $2.07 |
| Jun 2024 | 2,220 | 2,165 | 27,582 | 26,609 | 0 | $79.77 | $2.54 |
| May 2024 | 2,104 | 2,107 | 0 | 0 | 0 | $80.02 | $2.12 |
| Apr 2024 | 2,377 | 2,402 | 27,400 | 26,476 | 0 | $85.35 | $1.60 |
| Mar 2024 | 2,689 | 2,686 | 27,975 | 27,021 | 0 | $81.28 | $1.49 |
| Feb 2024 | 2,275 | 2,286 | 28,704 | 27,735 | 0 | $77.25 | $1.72 |
| Jan 2024 | 2,652 | 2,650 | 30,154 | 29,154 | 0 | $74.15 | $3.18 |
| Dec 2023 | 2,641 | 2,653 | 30,270 | 29,306 | 0 | $71.90 | $2.52 |
| Nov 2023 | 2,789 | 2,767 | 31,663 | 30,690 | 0 | $77.69 | $2.71 |
| Oct 2023 | 2,701 | 2,705 | 31,855 | 30,870 | 0 | $85.64 | $2.98 |
| Sep 2023 | 2,839 | 2,821 | 31,176 | 30,220 | 0 | $89.43 | $2.64 |
| Aug 2023 | 2,905 | 2,925 | 29,950 | 29,018 | 0 | $81.39 | $2.58 |
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.
How to check your stub against this leaseDo your checks match this lease?
Nearby
This lease belongs to
Cog Operating LLC in Upton County
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Spraberry (Trend Area) field
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Leases within 10 km
- AMACKER 66E
14,566 bbl · 0 km
- MANN17
652 bbl · 0.3 km
- AMACKER66
1,918 bbl · 0.4 km
- AMACKER 66G
18,001 bbl · 0.4 km
- AMACKER 66A
15,408 bbl · 0.4 km
- AMACKER 66H
27,269 bbl · 0.4 km
- AMACKER 66B
15,390 bbl · 0.5 km
- AMACKER 66J
21,158 bbl · 0.5 km
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3,032 bbl · 0.5 km
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51,181 bbl · 0.5 km
Drilling permits within 10 km
EMMA 5 #10JM
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.6 km
Permit 0918621 · Sep 16, 2026
EMMA 2 #04JM
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.6 km
Permit 0918618 · Sep 16, 2026
EMMA 4 #08MS
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.6 km
Permit 0918620 · Sep 16, 2026
EMMA 3 #06DN
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.6 km
Permit 0918619 · Sep 16, 2026
EMMA 1 #02BU
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.6 km
Permit 0918617 · Sep 16, 2026