Texas oil lease
ProducingTARZAN PIVOT 8
Tarzan Pivot 8 is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
4 wells
- Operator
- Diamondback E&P LLC
- County
- Martin County
- RRC lease
- 08-43651
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 108 bbl
- Reporting since
- Jan 2020
Checks stopped on this lease?
- Operator
Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.
- Buyer
Buyer changed: ET GATHERING & PROCESSING LLC replaced ETC GAS PROCESSING, LLC as the buyer of this lease's gas from oil wells on Mar 1, 2026.
SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.
See why checks stop on this leaseProduction by month
Oil output fell 50% over the last 12 months
- Oil (bars)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
No gas disposition reported for this lease
Who has run this lease
The operator changed once, most recently in Jan 2025
- Diamondback E&P LLC Jan 2025 to now
- Endeavor Energy Resources L.P. Jan 2020 to Dec 2024
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
4 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-317-37881 | 1 | Active |
| 42-317-38423 | 2 | Active |
| 42-317-39287 | 3 | Active |
| 42-317-39289 | 4 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Explore Logistics LLC | Oil | Gathers | 100 | Aug 1, 2025 | – |
| Et Gathering & Processing LLC | Casinghead gas | Buys | 100 | Mar 1, 2026 | – |
| Energy Transfer Company | Casinghead gas | Gathers | 100 | Aug 1, 2025 | – |
| Etc Gas Processing, LLC | Casinghead gas | Buys | 100 | Aug 1, 2025 | Mar 1, 2026 |
| Wtg Gas Processing, L.p. | Casinghead gas | Gathers | 100 | Jun 1, 2020 | Aug 1, 2025 |
| Wtg Gas Processing, L.p. | Casinghead gas | Buys | 100 | Jun 1, 2020 | Aug 1, 2025 |
| Oasis Transp & Marketing Corp. | Oil | Gathers | 100 | Jun 1, 2020 | Aug 1, 2025 |
| Enlink Crude Purchasing LLC | Oil | Gathers | 100 | Nov 1, 2019 | Jun 1, 2020 |
| Wtg Gas Processing, L.p. | Casinghead gas | Gathers | 100 | Dec 7, 2012 | Nov 1, 2019 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
166.50 acres on the newest permit
- Good to know
The wells on this lease state different acreage
The permits state between 163.1 and 166.5 acres. Use the acres from your own division order for the well you are paid on.
- Worth asking
A Rule 37 case is listed
The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-317-39287 | 3 | Apr 16, 2014 | Aug 18, 2014 | 166.50 |
| 42-317-39289 | 4 | Apr 16, 2014 | Nov 2, 2014 | 166.50 |
| 42-317-38423 | 2 | Feb 11, 2013 | May 1, 2013 | 163.10 |
| 42-317-37881 | 1 | Jun 8, 2012 | Dec 7, 2012 | 163.10 |
What Diamondback Energy, Inc. told investors it received
| Quarter | Oil$ per bbl | Gas$ per mcf | Gas liquids$ per bbl | Filing |
|---|---|---|---|---|
| Q2 2026 | $96.82 | −$2.15 | $18.56 | SEC filing |
| Q1 2026 | $73.47 | $0.18 | $16.68 | SEC filing |
| Q4 2025 | $58.00 | $0.03 | $13.51 | SEC filing |
| Q3 2025 | $64.60 | $0.75 | $17.28 | SEC filing |
| Q2 2025 | $63.23 | $0.88 | $18.13 | SEC filing |
| Q1 2025 | $70.95 | $2.11 | $23.94 | SEC filing |
SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|
| Jul 2026Diamondback E&P | 108 | 0 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 92 | 178 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 93 | 0 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 126 | 184 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 124 | 180 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 170 | 190 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 87 | 0 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 121 | 180 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 90 | 0 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 123 | 178 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 120 | 184 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 148 | 187 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 177 | 0 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 144 | 182 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 198 | 368 | $62.17 | $3.12 |
| Apr 2025Diamondback E&P | 264 | 185 | $63.54 | $3.42 |
| Mar 2025Diamondback E&P | 340 | 196 | $68.24 | $4.12 |
| Feb 2025Diamondback E&P | 238 | 383 | $71.53 | $4.19 |
| Jan 2025Diamondback E&P | 200 | 213 | $75.74 | $4.13 |
| Dec 2024Endeavor Energy | 272 | 200 | $70.12 | $3.01 |
| Nov 2024Endeavor Energy | 273 | 401 | $69.95 | $2.12 |
| Oct 2024Endeavor Energy | 298 | 182 | $71.99 | $2.20 |
| Sep 2024Endeavor Energy | 188 | 174 | $70.24 | $2.28 |
| Aug 2024Endeavor Energy | 221 | 179 | $76.68 | $1.99 |
| Jul 2024Endeavor Energy | 235 | 366 | $81.80 | $2.07 |
| Jun 2024Endeavor Energy | 269 | 196 | $79.77 | $2.54 |
| May 2024Endeavor Energy | 323 | 543 | $80.02 | $2.12 |
| Apr 2024Endeavor Energy | 331 | 342 | $85.35 | $1.60 |
| Mar 2024Endeavor Energy | 158 | 2 | $81.28 | $1.49 |
| Feb 2024Endeavor Energy | 418 | 343 | $77.25 | $1.72 |
| Jan 2024Endeavor Energy | 37 | 173 | $74.15 | $3.18 |
| Dec 2023Endeavor Energy | 436 | 342 | $71.90 | $2.52 |
| Nov 2023Endeavor Energy | 730 | 1,055 | $77.69 | $2.71 |
| Oct 2023Endeavor Energy | 1,096 | 850 | $85.64 | $2.98 |
| Sep 2023Endeavor Energy | 267 | 341 | $89.43 | $2.64 |
| Aug 2023Endeavor Energy | 313 | 338 | $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
Diamondback E&P LLC in Martin County
- BREEDLOVE -B-
1,414 bbl
- DICKENSON "17"
815 bbl
- KEMPER "16A"
1,140 bbl
- ANDERSON 11
1,381 bbl
- NICHOLS "A"
1,394 bbl
- BREEDLOVE '91'
1,392 bbl
- HOLCOMB "68"
1,281 bbl
- ARAMON
1,223 bbl
- NICHOLS "24"
1,378 bbl
- FRAZIER "33"
1,283 bbl
Spraberry (Trend Area) field
- CLAY 11
1,383 bbl
- DAVIDSON "34C"
1,061 bbl
- KOLB "B"
1,259 bbl
- NORTH DAVIS 14
1,352 bbl
- ANDERSON 11
1,381 bbl
- SCHWARTZ 25
1,323 bbl
- MCDONALD 183
1,108 bbl
- FASKEN -G-
1,304 bbl
- NICHOLS "A"
1,394 bbl
- MARSANNE
1,283 bbl
Leases within 10 km
- NICHOLS
2,398 bbl · 0.6 km
- HENSON "13"
1,076 bbl · 0.6 km
- JOHN 2
0 bbl · 0.6 km
- THELMA B
33,109 bbl · 0.6 km
- COX, EDNA "8"
0 bbl · 0.7 km
- NICHOLS "B"
645 bbl · 0.7 km
- THELMA A
27,317 bbl · 0.7 km
- MATTINGLEY 14-26 UNIT 2
134,499 bbl · 0.8 km
- MATTINGLEY "14"
0 bbl · 0.8 km
- MARIE B
20,301 bbl · 0.9 km
Drilling permits within 10 km
HIGH NOON 8-20 E #2LS
new drill · horizontal · Diamondback E&P LLC · Martin County · 8.6 km
Permit 0918597 · Sep 17, 2026
HIGH NOON 8-20 D #2WB
new drill · horizontal · Diamondback E&P LLC · Martin County · 8.6 km
Permit 0918596 · Sep 17, 2026
HIGH NOON 8-20 F #3WA
new drill · horizontal · Diamondback E&P LLC · Martin County · 8.6 km
Permit 0918598 · Sep 17, 2026
HIGH NOON 8-20 G #2JM
new drill · horizontal · Diamondback E&P LLC · Martin County · 8.6 km
Permit 0918599 · Sep 17, 2026
HIGH NOON 8-20 C #2WA
new drill · horizontal · Diamondback E&P LLC · Martin County · 8.6 km
Permit 0918594 · Sep 17, 2026