Texas oil lease
ProducingECTOR FEE UNIT II
Ector Fee Unit II is an oil lease in Ector County, Texas, operated by Formentera Operations LLC in the Harper (Ellenburger) field.
1 well
- Operator
- Formentera Operations LLC
- County
- Ector County
- Field
- Harper (Ellenburger)
- RRC lease
- 08-21673
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 5,732 mcf
- Oil in Jul 2026
- 109 bbl
Production by month
Oil output fell 63% 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
68% of the gas went to a transmission line in the last 12 months
Flaring peaked at 100.0% of the gas in Sep 2024.
- Transmission line (2)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
68% · 3,874 mcf
Flared (4)
32% · 1,858 mcf
32.4% of the gas flared in the last 12 months. 22 months above 3%.
Who has run this lease
The operator changed 2 times, most recently in Nov 2023
- Formentera Operations LLC Nov 2023 to now
- Slant Operating, LLC Jul 2021 to Oct 2023
- Apache Corporation Jan 2020 to Jun 2021
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-135-30414 | 6 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Sentinel Transportation, LLC | Oil | Gathers | 100 | Jul 1, 2021 | – |
| Dcp Operating Company, LP | Casinghead gas | Gathers | 100 | Apr 1, 2017 | Jul 1, 2021 |
| Dcp Operating Company, LP | Casinghead gas | Buys | 100 | Apr 1, 2017 | Jul 1, 2021 |
| Plains Marketing, L.p. | Oil | Gathers | 50 | May 1, 2018 | Jul 1, 2021 |
| Sentinel Transportation, LLC | Oil | Gathers | 50 | May 1, 2018 | Jul 1, 2021 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
What the drilling permits say
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-135-10172 | 5 J | – | Oct 1, 1970 | – |
| 42-135-10232 | 10 J | – | Oct 1, 1970 | – |
| 42-135-10361 | 9 J | – | Oct 1, 1970 | – |
| 42-135-30414 | 6 | – | Nov 21, 1970 | – |
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 2026Formentera Operations | 109 | 366 | 52 | 52 | 0 | $80.46 | $2.89 |
| Jun 2026Formentera Operations | 539 | 841 | 572 | 0 | 572 | $84.81 | $3.15 |
| May 2026Formentera Operations | 1,426 | 1,159 | 1,974 | 705 | 1,269 | $102.13 | $2.94 |
| Apr 2026Formentera Operations | 1,278 | 1,020 | 1,625 | 1,625 | 0 | $100.32 | $2.77 |
| Mar 2026Formentera Operations | 140 | 171 | 55 | 55 | 0 | $91.38 | $3.04 |
| Feb 2026Formentera Operations | 117 | 88 | 56 | 56 | 0 | $64.51 | $3.62 |
| Jan 2026Formentera Operations | 128 | 83 | 48 | 48 | 0 | $60.04 | $7.72 |
| Dec 2025Formentera Operations | 121 | 151 | 42 | 42 | 0 | $57.97 | $4.26 |
| Nov 2025Formentera Operations | 107 | 76 | 14 | 14 | 0 | $60.06 | $3.79 |
| Oct 2025Formentera Operations | 108 | 82 | 58 | 58 | 0 | $60.89 | $3.19 |
| Sep 2025Formentera Operations | 136 | 348 | 100 | 83 | 17 | $63.96 | $2.97 |
| Aug 2025Formentera Operations | 970 | 1,086 | 1,136 | 1,136 | 0 | $64.86 | $2.91 |
| Jul 2025Formentera Operations | 1,188 | 1,080 | 1,656 | 1,097 | 559 | $68.39 | $3.20 |
| Jun 2025Formentera Operations | 517 | 449 | 620 | 548 | 72 | $68.17 | $3.02 |
| May 2025Formentera Operations | 1,052 | 1,116 | 1,763 | 673 | 1,090 | $62.17 | $3.12 |
| Apr 2025Formentera Operations | 1,130 | 1,291 | 1,680 | 1,188 | 492 | $63.54 | $3.42 |
| Mar 2025Formentera Operations | 1,112 | 1,074 | 1,256 | 1,256 | 0 | $68.24 | $4.12 |
| Feb 2025Formentera Operations | 1,183 | 1,295 | 1,096 | 1,096 | 0 | $71.53 | $4.19 |
| Jan 2025Formentera Operations | 1,328 | 1,157 | 1,182 | 1,062 | 120 | $75.74 | $4.13 |
| Dec 2024Formentera Operations | 1,585 | 1,818 | 1,979 | 29 | 1,950 | $70.12 | $3.01 |
| Nov 2024Formentera Operations | 1,551 | 1,331 | 1,829 | 1,253 | 576 | $69.95 | $2.12 |
| Oct 2024Formentera Operations | 1,134 | 1,180 | 880 | 0 | 880 | $71.99 | $2.20 |
| Sep 2024Formentera Operations | 920 | 1,079 | 1,200 | 0 | 1,200 | $70.24 | $2.28 |
| Aug 2024Formentera Operations | 1,473 | 1,087 | 1,827 | 1,254 | 573 | $76.68 | $1.99 |
| Jul 2024Formentera Operations | 1,271 | 1,428 | 1,729 | 1,044 | 685 | $81.80 | $2.07 |
| Jun 2024Formentera Operations | 1,240 | 1,453 | 1,550 | 1,550 | 0 | $79.77 | $2.54 |
| May 2024Formentera Operations | 1,292 | 1,034 | 1,683 | 1,632 | 51 | $80.02 | $2.12 |
| Apr 2024Formentera Operations | 1,274 | 1,348 | 1,643 | 1,643 | 0 | $85.35 | $1.60 |
| Mar 2024Formentera Operations | 1,319 | 1,336 | 1,464 | 1,464 | 0 | $81.28 | $1.49 |
| Feb 2024Formentera Operations | 1,304 | 1,297 | 1,531 | 996 | 535 | $77.25 | $1.72 |
| Jan 2024Formentera Operations | 1,428 | 1,357 | 1,576 | 1,204 | 372 | $74.15 | $3.18 |
| Dec 2023Formentera Operations | 1,069 | 947 | 1,203 | 1,138 | 65 | $71.90 | $2.52 |
| Nov 2023Formentera Operations | 842 | 719 | 998 | 929 | 69 | $77.69 | $2.71 |
| Oct 2023Slant Operating, | 1,346 | 1,830 | 1,544 | 1,193 | 351 | $85.64 | $2.98 |
| Sep 2023Slant Operating, | 1,282 | 979 | 1,619 | 1,545 | 74 | $89.43 | $2.64 |
| Aug 2023Slant Operating, | 1,484 | 1,673 | 1,827 | 1,545 | 282 | $81.39 | $2.58 |
Flared above 3%
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.
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Nearby
This lease belongs to
Formentera Operations LLC in Ector County
- CARLINVILLE NATIONAL BANK
5,476 bbl
- TXL "K" TRACT II
5,147 bbl
- CAHILL, T. G., -B-
4,332 bbl
- BARROW, AUGUSTA
3,615 bbl
- TXL -D-
3,782 bbl
- PARKER
3,536 bbl
- SLATOR -E-
2,222 bbl
- CUMMINS -B-
3,199 bbl
- MRS. T. B. ROBERTS R/A -A-
1,779 bbl
- BARROW, AUGUSTA
2,145 bbl
Harper (Ellenburger) field
- MOSS -E-
8,891 bbl
- TXL -WW-
8,400 bbl
- MOSS
4,621 bbl
- FRASER, GEO. C.
4,795 bbl
- ECTOR -AM- FEE
2,323 bbl
- DIAMOND LIL
1,854 bbl
Leases within 10 km
- ECTOR -E- FEE /NCT-1/
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1,138 bbl · 0.3 km
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27,841 bbl · 0.3 km
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0 bbl · 0.4 km
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1,637 bbl · 0.5 km
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6,524 bbl · 0.7 km
Drilling permits within 10 km
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recompletion · Ring Energy, Inc. · Ector County · 9.4 km
Permit 0916439 · Jun 17, 2026
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recompletion · Ring Energy, Inc. · Ector County · 9.4 km
Permit 0914124 · Mar 18, 2026
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COWDEN RANCH '7A' #1
recompletion · Rust Oil Corp. · Ector County · 8.5 km
Permit 0907215 · Aug 29, 2025