Texas oil lease
ProducingBLOCK 31 UNIT
Block 31 Unit is an oil lease in Crane County, Texas, operated by Hilcorp Energy Company in the Block 31 (Ellenburger) field.
1 well
- Operator
- Hilcorp Energy Company
- County
- Crane County
- RRC lease
- 08-00445
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 18,285 mcf
- Oil in Jul 2026
- 3,360 bbl
Production by month
Oil output held steady 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
All of the gas went to a transmission line in the last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Who has run this lease
The operator changed once, most recently in May 2026
- Hilcorp Energy Company May 2026 to now
- OXY USA Inc. Jan 2020 to Apr 2026
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-103-32966 | B 5 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Enterprise Crude Oil LLC | Oil | Gathers | 50 | May 1, 2026 | – |
| Enterprise Crude Pipeline LLC | Oil | Gathers | 50 | May 1, 2026 | – |
| Occidental Energy Marketing,inc. | Casinghead gas | Buys | 100 | Nov 1, 2010 | – |
| Oxy USA Inc. | Casinghead gas | Gathers | 100 | Nov 1, 2010 | – |
| Enterprise Crude Oil LLC | Oil | Gathers | 100 | May 1, 2010 | May 1, 2026 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
7,840 acres on the newest permit
A pooling certificate was filed
17 wells are listed on this lease
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-103-33144 | B 7 | Apr 2, 2013 | Mar 8, 1989 | 7,840 |
| 42-103-33144 | B 7L | Apr 2, 2013 | Jul 12, 1983 | 7,840 |
| 42-103-35082 | 7 | Dec 19, 2007 | Aug 23, 2005 | 7,840 |
| 42-103-33440 | E 8L | Mar 27, 1984 | Aug 6, 1984 | 7,840 |
| 42-103-33272 | P 5KL | Sep 7, 1983 | Nov 10, 1983 | 7,840 |
| 42-103-33112 | B 6L | Mar 11, 1983 | May 27, 1983 | 7,840 |
| 42-103-32966 | B 5 | Aug 13, 1982 | Nov 29, 1982 | 7,840 |
| 42-103-32966 | B 5L | Aug 13, 1982 | Nov 29, 1982 | 7,840 |
| 42-103-03040 | A 1 T | – | Aug 29, 1973 | – |
| 42-103-03043 | E 3 | – | May 22, 1973 | – |
| 42-103-03050 | F 2 T | – | Jun 28, 1982 | – |
| 42-103-03071 | B 2 L | – | – | – |
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 2026Hilcorp Energy | 3,360 | 3,132 | 15 | 15 | 0 | $80.46 | $2.89 |
| Jun 2026Hilcorp Energy | 613 | 645 | 0 | 0 | 0 | $84.81 | $3.15 |
| May 2026Hilcorp Energy | 84 | 72 | 0 | 0 | 0 | $102.13 | $2.94 |
| Apr 2026OXY USA | 851 | 866 | 1,996 | 1,996 | 0 | $100.32 | $2.77 |
| Mar 2026OXY USA | 1,447 | 1,467 | 3,141 | 3,141 | 0 | $91.38 | $3.04 |
| Feb 2026OXY USA | 1,510 | 1,432 | 2,213 | 2,213 | 0 | $64.51 | $3.62 |
| Jan 2026OXY USA | 600 | 633 | 1,231 | 1,231 | 0 | $60.04 | $7.72 |
| Dec 2025OXY USA | 1,132 | 1,152 | 2,420 | 2,420 | 0 | $57.97 | $4.26 |
| Nov 2025OXY USA | 743 | 721 | 1,962 | 1,962 | 0 | $60.06 | $3.79 |
| Oct 2025OXY USA | 852 | 854 | 1,813 | 1,813 | 0 | $60.89 | $3.19 |
| Sep 2025OXY USA | 904 | 895 | 1,973 | 1,973 | 0 | $63.96 | $2.97 |
| Aug 2025OXY USA | 819 | 821 | 1,521 | 1,521 | 0 | $64.86 | $2.91 |
| Jul 2025OXY USA | 853 | 848 | 1,821 | 1,821 | 0 | $68.39 | $3.20 |
| Jun 2025OXY USA | 788 | 795 | 1,681 | 1,681 | 0 | $68.17 | $3.02 |
| May 2025OXY USA | 831 | 838 | 1,195 | 1,195 | 0 | $62.17 | $3.12 |
| Apr 2025OXY USA | 1,038 | 1,028 | 1,638 | 1,638 | 0 | $63.54 | $3.42 |
| Mar 2025OXY USA | 1,140 | 1,150 | 758 | 758 | 0 | $68.24 | $4.12 |
| Feb 2025OXY USA | 1,020 | 1,034 | 1,780 | 1,780 | 0 | $71.53 | $4.19 |
| Jan 2025OXY USA | 1,168 | 1,155 | 1,535 | 1,535 | 0 | $75.74 | $4.13 |
| Dec 2024OXY USA | 1,257 | 1,245 | 1,614 | 1,614 | 0 | $70.12 | $3.01 |
| Nov 2024OXY USA | 1,115 | 1,128 | 2,410 | 2,410 | 0 | $69.95 | $2.12 |
| Oct 2024OXY USA | 1,223 | 1,212 | 1,443 | 1,443 | 0 | $71.99 | $2.20 |
| Sep 2024OXY USA | 1,138 | 1,128 | 972 | 972 | 0 | $70.24 | $2.28 |
| Aug 2024OXY USA | 1,148 | 1,158 | 2,022 | 2,022 | 0 | $76.68 | $1.99 |
| Jul 2024OXY USA | 1,055 | 1,057 | 2,049 | 2,049 | 0 | $81.80 | $2.07 |
| Jun 2024OXY USA | 1,045 | 1,040 | 489 | 489 | 0 | $79.77 | $2.54 |
| May 2024OXY USA | 1,127 | 1,119 | 799 | 799 | 0 | $80.02 | $2.12 |
| Apr 2024OXY USA | 987 | 982 | 2,559 | 2,559 | 0 | $85.35 | $1.60 |
| Mar 2024OXY USA | 1,057 | 1,048 | 3,163 | 3,163 | 0 | $81.28 | $1.49 |
| Feb 2024OXY USA | 884 | 891 | 2,948 | 2,948 | 0 | $77.25 | $1.72 |
| Jan 2024OXY USA | 978 | 979 | 2,710 | 2,710 | 0 | $74.15 | $3.18 |
| Dec 2023OXY USA | 821 | 816 | 2,051 | 2,051 | 0 | $71.90 | $2.52 |
| Nov 2023OXY USA | 886 | 901 | 2,846 | 2,846 | 0 | $77.69 | $2.71 |
| Oct 2023OXY USA | 1,070 | 1,072 | 2,893 | 2,893 | 0 | $85.64 | $2.98 |
| Sep 2023OXY USA | 1,004 | 1,026 | 3,000 | 3,000 | 0 | $89.43 | $2.64 |
| Aug 2023OXY USA | 1,460 | 1,413 | 2,461 | 2,461 | 0 | $81.39 | $2.58 |
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
Hilcorp Energy Company in Crane County
- COWDEN, G.H. B
20,008 bbl
- TROPORO,NORTH (DEV) UNIT
12,386 bbl
- BLOCK 31 UNIT
204,075 mcf
- BLOCK 31 UNIT
183,440 mcf
- BLOCK 31 UNIT
172,712 mcf
- BLOCK 31 UNIT
133,285 mcf
- COWDEN, G. H. B
5,156 bbl
- BLOCK 31 UNIT
97,976 mcf
- BLOCK 31 UNIT
80,987 mcf
- BLOCK 31 UNIT
81,291 mcf
Block 31 (Ellenburger) field
No other producing leases in this field are in our data yet.
Leases within 10 km
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- BLOCK 31 UNIT
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Drilling permits within 10 km
BLOCK 31 UNIT #H 5H
recompletion · OXY USA EOR, LLC · Crane County · 5.3 km
Permit 0918850 · Sep 28, 2026
BLOCK 31 UNIT #K 3K
recompletion · Hilcorp Energy Company · Crane County · 5 km
Permit 0918855 · Sep 25, 2026
LEA, P.J. ETAL #3915GH
new drill · horizontal · Ring Energy, Inc. · Crane County · 7.8 km
Permit 0917512 · Sep 9, 2026
LEA, P.J. ETAL #3914TH
new drill · horizontal · Ring Energy, Inc. · Crane County · 7.8 km
Permit 0917498 · Sep 8, 2026
UL SKI CABIN 22303 J 28-21 #14H
new drill · horizontal · Bta Oil Producers, LLC · Crane County · 9.8 km
Permit 0917594 · Aug 4, 2026