Texas oil lease
ProducingHALFF ESTATE "26"
Halff Estate "26" is an oil lease in Upton County, Texas, operated by Pioneer Natural Res. USA, Inc. in the Spraberry (Trend Area) field.
1 well
- Operator
- Pioneer Natural Res. USA, Inc.
- County
- Upton County
- RRC lease
- 7C-16281
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 384 mcf
- Oil in Jul 2026
- 8 bbl
Production by month
Oil output fell 91% 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 Apr 2026 the lease's gas goes to a processing plant instead of lease fuel
- Processing plant (3)
- Lease fuel (1)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Lease fuel (1)
89% · 1,212 mcf
Processing plant (3)
11% · 154 mcf
Who has run this lease
The operator changed once, most recently in Jun 2021
- Pioneer Natural Res. USA, Inc. Jun 2021 to now
- De3 Operating LLC Jan 2020 to May 2021
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-461-35304 | 2 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Plains Marketing, L.p. | Oil | Gathers | 100 | Jan 1, 2022 | – |
| Et Gathering & Processing LLC | Casinghead gas | Buys | 100 | Jan 1, 2026 | – |
| Energy Transfer Company | Casinghead gas | Gathers | 100 | Dec 1, 2024 | – |
| Etc South Permian Midstream LLC | Casinghead gas | Buys | 100 | Dec 1, 2024 | Jan 1, 2026 |
| Wtg Gas Processing, L.p. | Casinghead gas | Gathers | 100 | May 1, 2022 | Dec 1, 2024 |
| Wtg Gas Processing, L.p. | Casinghead gas | Buys | 100 | May 1, 2022 | Dec 1, 2024 |
| Wtg South Permian Midstream LLC | Casinghead gas | Gathers | 100 | Jan 1, 2022 | May 1, 2022 |
| Wtg South Permian Midstream LLC | Casinghead gas | Buys | 100 | Jan 1, 2022 | May 1, 2022 |
| Wtg Gas Processing, L.p. | Casinghead gas | Gathers | 100 | Aug 1, 2018 | Jan 1, 2022 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
160 acres on the newest permit
The wells on this lease state different acreage
The permits state between 160 and 192.86 acres.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-461-31423 | 1 | Jun 1, 2022 | Jan 1, 2018 | 160 |
| 42-461-35304 | 2 | Mar 9, 2007 | Apr 24, 2007 | 192.86 |
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 2026Pioneer Natural | 8 | 1 | 6 | 6 | 0 | $80.46 | $2.89 |
| Jun 2026Pioneer Natural | 12 | 0 | 12 | 12 | 0 | $84.81 | $3.15 |
| May 2026Pioneer Natural | 2 | 2 | 18 | 18 | 0 | $102.13 | $2.94 |
| Apr 2026Pioneer Natural | 0 | 0 | 24 | 24 | 0 | $100.32 | $2.77 |
| Mar 2026Pioneer Natural | 2 | 2 | 287 | 10 | 0 | $91.38 | $3.04 |
| Feb 2026Pioneer Natural | 1 | 1 | 26 | 4 | 0 | $64.51 | $3.62 |
| Jan 2026Pioneer Natural | 0 | 0 | 11 | 11 | 0 | $60.04 | $7.72 |
| Dec 2025Pioneer Natural | 1 | 0 | 0 | 0 | 0 | $57.97 | $4.26 |
| Nov 2025Pioneer Natural | 0 | 0 | 0 | 0 | 0 | $60.06 | $3.79 |
| Oct 2025Pioneer Natural | 0 | 0 | 0 | 0 | 0 | $60.89 | $3.19 |
| Sep 2025Pioneer Natural | 0 | 0 | 0 | 0 | 0 | $63.96 | $2.97 |
| Aug 2025Pioneer Natural | 1 | 0 | 0 | 0 | 0 | $64.86 | $2.91 |
| Jul 2025Pioneer Natural | 7 | 0 | 2 | 2 | 0 | $68.39 | $3.20 |
| Jun 2025Pioneer Natural | 0 | 0 | 0 | 0 | 0 | $68.17 | $3.02 |
| May 2025Pioneer Natural | 3 | 0 | 217 | 15 | 0 | $62.17 | $3.12 |
| Apr 2025Pioneer Natural | 11 | 0 | 217 | 22 | 0 | $63.54 | $3.42 |
| Mar 2025Pioneer Natural | 1 | 0 | 202 | 12 | 0 | $68.24 | $4.12 |
| Feb 2025Pioneer Natural | 4 | 0 | 344 | 18 | 0 | $71.53 | $4.19 |
| Jan 2025Pioneer Natural | 9 | 0 | 236 | 34 | 0 | $75.74 | $4.13 |
| Dec 2024Pioneer Natural | 44 | 0 | 358 | 156 | 0 | $70.12 | $3.01 |
| Nov 2024Pioneer Natural | 73 | 0 | 425 | 230 | 0 | $69.95 | $2.12 |
| Oct 2024Pioneer Natural | 62 | 373 | 466 | 284 | 0 | $71.99 | $2.20 |
| Sep 2024Pioneer Natural | 48 | 0 | 0 | 0 | 0 | $70.24 | $2.28 |
| Aug 2024Pioneer Natural | 42 | 15 | 506 | 5 | 0 | $76.68 | $1.99 |
| Jul 2024Pioneer Natural | 73 | 0 | 602 | 56 | 0 | $81.80 | $2.07 |
| Jun 2024Pioneer Natural | 78 | 0 | 632 | 104 | 0 | $79.77 | $2.54 |
| May 2024Pioneer Natural | 105 | 361 | 704 | 158 | 0 | $80.02 | $2.12 |
| Apr 2024Pioneer Natural | 28 | 0 | 643 | 115 | 0 | $85.35 | $1.60 |
| Mar 2024Pioneer Natural | 95 | 0 | 584 | 38 | 0 | $81.28 | $1.49 |
| Feb 2024Pioneer Natural | 47 | 0 | 459 | 88 | 0 | $77.25 | $1.72 |
| Jan 2024Pioneer Natural | 9 | 0 | 366 | 164 | 0 | $74.15 | $3.18 |
| Dec 2023Pioneer Natural | 57 | 0 | 411 | 68 | 0 | $71.90 | $2.52 |
| Nov 2023Pioneer Natural | 73 | 0 | 484 | 40 | 0 | $77.69 | $2.71 |
| Oct 2023Pioneer Natural | 65 | 183 | 560 | 101 | 0 | $85.64 | $2.98 |
| Sep 2023Pioneer Natural | 53 | 0 | 570 | 126 | 0 | $89.43 | $2.64 |
| Aug 2023Pioneer Natural | 52 | 0 | 566 | 107 | 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
Pioneer Natural Res. USA, Inc. in Upton County
- HALFF ESTATE "D"
164 bbl
- NEAL ESTATE "36-A"
4,047 mcf
- AURORA
3,564 mcf
- JMC "12"
2,862 mcf
- NEAL "38"
3,187 mcf
- OWENS A
101 bbl
- NEAL 20 "C"
40 bbl
- FUNKHOUSER "20"
48 mcf
- BROOK A-9
34 mcf
- FUNKHOUSER '20B'
20 mcf
Spraberry (Trend Area) field
- SUGG "H"
1,117 mcf
- MURPHEY "52"
49 bbl
- SAU MARINER 30-3
34 bbl
- SUGG "F"
1,024 mcf
- SUGG "G"
591 mcf
- PFLUGER B
1,084 mcf
- SUGG "H"
1,071 mcf
- MCELROY RANCH "137"
1,042 mcf
- NEAL 20 "C"
40 bbl
- PFLUGER "D"
911 mcf
Leases within 10 km
- HALFF ESTATE 26
17 bbl · 0.5 km
- LYNCH25
373 bbl · 0.6 km
- COWDEN17 UNIT
2,781 bbl · 0.6 km
- COWDEN17
1,596 bbl · 0.7 km
- HASEL26
176 bbl · 0.9 km
- LYNCH26
1,056 bbl · 0.9 km
- COWDEN "26"
270 bbl · 1 km
- AURORA
3,564 mcf · 1 km
- HASEL25
1,741 bbl · 1.1 km
- HASEL17
1,407 bbl · 1.1 km
Drilling permits within 10 km
EMMA 1 #02BU
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.5 km
Permit 0918617 · Sep 16, 2026
EMMA 4 #08MS
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.5 km
Permit 0918620 · Sep 16, 2026
EMMA 5 #10JM
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.5 km
Permit 0918621 · Sep 16, 2026
EMMA 2 #04JM
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.5 km
Permit 0918618 · Sep 16, 2026
EMMA 3 #06DN
new drill · horizontal · Summit Petroleum LLC · Upton County · 4.5 km
Permit 0918619 · Sep 16, 2026