Texas oil lease
ProducingTOMBALL GAS UNIT #18
Tomball Gas Unit #18 is an oil lease in Harris County, Texas, operated by Galloway Lone Star, L.L.C. in the Tomball (Kobs) field.
1 well
- Operator
- Galloway Lone Star, L.L.C.
- County
- Harris County
- Field
- Tomball (Kobs)
- RRC lease
- 03-23647
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 30,307 mcf
- Oil in Jul 2026
- 508 bbl
Production by month
Oil output fell 37% 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
93% of the gas went to a transmission line in the last 12 months
- Transmission line (2)
- Lease fuel (1)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
93% · 46,788 mcf
Lease fuel (1)
7.0% · 3,523 mcf
Who has run this lease
The operator changed once, most recently in Feb 2022
- Galloway Lone Star, L.L.C. Feb 2022 to now
- Daylight Petroleum LLC Jan 2020 to Jan 2022
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-201-31667 | 1 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Enterprise Crude Oil LLC | Oil | Gathers | 50 | May 1, 2020 | – |
| Truth Resources, L.p. | Oil | Gathers | 50 | Feb 1, 2022 | – |
| Gulfmark Energy, Inc. | Oil | Gathers | 50 | May 1, 2020 | Feb 1, 2022 |
| Enterprise Crude Oil LLC | Oil | Gathers | 100 | Jul 1, 2015 | May 1, 2020 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
300 acres on the newest permit
- Good to know
A pooling certificate (P-12) was filed
Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-201-31667 | 1 | Mar 25, 1999 | Mar 26, 1999 | 300 |
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 2026Galloway Lone | 508 | 525 | 3,773 | 3,501 | 0 | $80.46 | $2.89 |
| Jun 2026Galloway Lone | 405 | 511 | 3,979 | 3,691 | 0 | $84.81 | $3.15 |
| May 2026Galloway Lone | 451 | 343 | 3,380 | 3,134 | 0 | $102.13 | $2.94 |
| Apr 2026Galloway Lone | 20 | 0 | 0 | 0 | 0 | $100.32 | $2.77 |
| Mar 2026Galloway Lone | 23 | 0 | 0 | 0 | 0 | $91.38 | $3.04 |
| Feb 2026Galloway Lone | 0 | 0 | 0 | 0 | 0 | $64.51 | $3.62 |
| Jan 2026Galloway Lone | 380 | 523 | 4,142 | 3,850 | 0 | $60.04 | $7.72 |
| Dec 2025Galloway Lone | 452 | 345 | 4,542 | 4,225 | 0 | $57.97 | $4.26 |
| Nov 2025Galloway Lone | 445 | 510 | 3,762 | 3,495 | 0 | $60.06 | $3.79 |
| Oct 2025Galloway Lone | 465 | 526 | 4,052 | 3,765 | 0 | $60.89 | $3.19 |
| Sep 2025Galloway Lone | 256 | 170 | 2,677 | 2,487 | 0 | $63.96 | $2.97 |
| Aug 2025Galloway Lone | 15 | 0 | 0 | 0 | 0 | $64.86 | $2.91 |
| Jul 2025Galloway Lone | 330 | 362 | 3,696 | 3,436 | 0 | $68.39 | $3.20 |
| Jun 2025Galloway Lone | 442 | 361 | 5,486 | 5,099 | 0 | $68.17 | $3.02 |
| May 2025Galloway Lone | 443 | 521 | 5,127 | 4,809 | 0 | $62.17 | $3.12 |
| Apr 2025Galloway Lone | 489 | 351 | 5,695 | 5,296 | 0 | $63.54 | $3.42 |
| Mar 2025Galloway Lone | 457 | 525 | 5,893 | 5,482 | 0 | $68.24 | $4.12 |
| Feb 2025Galloway Lone | 425 | 363 | 5,215 | 4,851 | 0 | $71.53 | $4.19 |
| Jan 2025Galloway Lone | 469 | 542 | 5,796 | 5,396 | 0 | $75.74 | $4.13 |
| Dec 2024Galloway Lone | 432 | 535 | 5,950 | 5,531 | 0 | $70.12 | $3.01 |
| Nov 2024Galloway Lone | 354 | 341 | 5,520 | 5,135 | 0 | $69.95 | $2.12 |
| Oct 2024Galloway Lone | 470 | 475 | 4,015 | 3,730 | 0 | $71.99 | $2.20 |
| Sep 2024Galloway Lone | 498 | 506 | 6,182 | 5,741 | 0 | $70.24 | $2.28 |
| Aug 2024Galloway Lone | 581 | 525 | 5,154 | 4,787 | 0 | $76.68 | $1.99 |
| Jul 2024Galloway Lone | 476 | 515 | 4,003 | 3,710 | 0 | $81.80 | $2.07 |
| Jun 2024Galloway Lone | 536 | 708 | 4,198 | 3,892 | 0 | $79.77 | $2.54 |
| May 2024Galloway Lone | 534 | 357 | 4,238 | 3,936 | 0 | $80.02 | $2.12 |
| Apr 2024Galloway Lone | 432 | 352 | 4,577 | 4,259 | 0 | $85.35 | $1.60 |
| Mar 2024Galloway Lone | 10 | 0 | 0 | 0 | 0 | $81.28 | $1.49 |
| Feb 2024Galloway Lone | 0 | 0 | 0 | 0 | 0 | $77.25 | $1.72 |
| Jan 2024Galloway Lone | 106 | 167 | 1,072 | 1,000 | 0 | $74.15 | $3.18 |
| Dec 2023Galloway Lone | 137 | 180 | 1,820 | 1,820 | 0 | $71.90 | $2.52 |
| Nov 2023Galloway Lone | 539 | 578 | 7,685 | 7,685 | 0 | $77.69 | $2.71 |
| Oct 2023Galloway Lone | 520 | 670 | 7,275 | 7,275 | 0 | $85.64 | $2.98 |
| Sep 2023Galloway Lone | 579 | 349 | 7,054 | 7,054 | 0 | $89.43 | $2.64 |
| Aug 2023Galloway Lone | 560 | 718 | 6,831 | 6,831 | 0 | $81.39 | $2.58 |
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
Galloway Lone Star, L.L.C. in Harris County
- COX, L. L.
4,723 mcf
- MARSHALL BROTHERS TRUST GU #1
3,173 mcf
- MARSHALL BROS. TRUST G. V. NO.1
1,853 mcf
- MARSHALL BROTHERS TRUST GU
1,756 mcf
Tomball (Kobs) field
- TOMBALL GAS UNIT -A- METZLER
11,602 mcf
- HILLEGEIST, E.
1,629 mcf
Leases within 10 km
- LEWIS, SAM
1,463 bbl · 0.3 km
- TOMBALL GAS UNIT "9"
0 mcf · 0.5 km
- REID, JOHN D.
3,693 bbl · 0.6 km
- THEIS, FRITZ, A/C #1
2,425 bbl · 0.6 km
- LEWIS, SAM
721 bbl · 0.7 km
- THEIS, FRITZ, A/C #1
9,011 bbl · 0.7 km
- TOMBALL GAS UNIT "9"
7,533 mcf · 0.9 km
- MICHEL, M. F.
770 bbl · 1 km
- TOMBALL LEWIS OIL UNIT #1
0 bbl · 1 km
- TOMBALL GAS UNIT "9"
0 mcf · 1.1 km
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