Texas oil lease · RRC district 7B · Lease 27795
ProducingWINDHAM "164"
Windham "164" is an oil lease in Callahan County, Texas, operated by Tracker Mineral in the Durango (Cook) field. The Railroad Commission shows 244 bbl of oil in the 12 months through Jul 2026.
Oil lease dossier · 2 wells
- Operator
- Tracker Mineral
- County
- Callahan County
- Field
- Durango (Cook)
- RRC lease
- 7B-27795
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Where it sits
This county
- Oil in Jul 2026
- 17 bbl
- Reporting to the state
- since Jan 2020
- Wells
- 2
- Data through
- Jul 2026
Production
Month by month, from the state record
Oil output fell 39% over the last 12 months
244 bbl in the 12 months through Jul 2026, against 401 bbl in the 12 months before.
- Oil (bars, left axis)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, oil lease 27795, district 7B. Reported through Jul 2026. The state revises recent months.
Gas disposition
Where the gas went
No gas disposition reported for this lease
Operator history
Who has run this lease
Tracker Mineral has reported this lease for the whole period
No change of operator in the months we hold.
- Tracker Mineral Jan 2020 to now
SourceTexas Railroad Commission Production Data Query, operator by month. Reported through Jul 2026.
Wells
2 wells on this lease
| API number | Well no. | Status | Total depthft |
|---|---|---|---|
| 42-059-36377 | 2 | Active | – |
| 42-059-36542 | 4164 | Active | – |
SourceTexas Railroad Commission Wellbore Query, district 7B, lease 27795.
Who buys and gathers
Who moves and buys this lease's production
Oil
Transoil Marketing, LLC gathers it.
100% of it, on the list since Apr 1, 2012
Gas from oil wells
Devon Gas Services, L.p. buys it; Enlink Midstream Services, LLC gathers it.
Devon Gas Services, L.p. buys it: 100% of it, on the list since May 1, 2002 · Enlink Midstream Services, LLC gathers it: 100% of it, on the list since Jun 1, 2014
SourceRailroad Commission of Texas, Form P-4 file, dated Sep 24, 2026 (source). A listed company is authorised to move or buy the production; the state does not say what it paid.
Unit and wells
160 acres on the newest permit
- Wells on the permits
- 21 not plugged
- Horizontal
- 0
- First completion
- Jun 19, 1995
- Latest permit
- Sep 13, 2000
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-059-36542 | 4164 | Sep 13, 2000 | Dec 12, 2000 | 160 |
| 42-059-36377 | 2 | May 11, 1995 | Jun 19, 1995 | 160 |
Estimator
Estimate your royalty for this lease
Estimator
What could your check be?
Your decimal interest is the small number on your division order that says what share of the whole lease (8/8ths) is yours. Type it in and we apply it to what the state says WINDHAM "164" sold each month.
For example 0.00097656, or a fraction like 1/1024.
Dollars per barrel. Your statements show the gap your operator uses. Leave 0 to price oil at WTI.
Your estimate appears here
An estimate, not your check
Ledger
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$ per bbl | Henry Hub$ per MMBtu |
|---|---|---|---|---|
| Jul 2026Tracker Mineral | 17 | 0 | $80.46 | $2.89 |
| Jun 2026Tracker Mineral | 27 | 0 | $84.81 | $3.15 |
| May 2026Tracker Mineral | 3 | 0 | $102.13 | $2.94 |
| Apr 2026Tracker Mineral | 35 | 0 | $100.32 | $2.77 |
| Mar 2026Tracker Mineral | 19 | 0 | $91.38 | $3.04 |
| Feb 2026Tracker Mineral | 0 | 0 | $64.51 | $3.62 |
| Jan 2026Tracker Mineral | 1 | 0 | $60.04 | $7.72 |
| Dec 2025Tracker Mineral | 25 | 0 | $57.97 | $4.26 |
| Nov 2025Tracker Mineral | 25 | 162 | $60.06 | $3.79 |
| Oct 2025Tracker Mineral | 33 | 0 | $60.89 | $3.19 |
| Sep 2025Tracker Mineral | 30 | 0 | $63.96 | $2.97 |
| Aug 2025Tracker Mineral | 29 | 0 | $64.86 | $2.91 |
| Jul 2025Tracker Mineral | 32 | 0 | $68.39 | $3.20 |
| Jun 2025Tracker Mineral | 15 | 150 | $68.17 | $3.02 |
| May 2025Tracker Mineral | 39 | 0 | $62.17 | $3.12 |
| Apr 2025Tracker Mineral | 37 | 0 | $63.54 | $3.42 |
| Mar 2025Tracker Mineral | 41 | 0 | $68.24 | $4.12 |
| Feb 2025Tracker Mineral | 32 | 0 | $71.53 | $4.19 |
| Jan 2025Tracker Mineral | 26 | 159 | $75.74 | $4.13 |
| Dec 2024Tracker Mineral | 42 | 0 | $70.12 | $3.01 |
| Nov 2024Tracker Mineral | 32 | 0 | $69.95 | $2.12 |
| Oct 2024Tracker Mineral | 40 | 0 | $71.99 | $2.20 |
| Sep 2024Tracker Mineral | 27 | 164 | $70.24 | $2.28 |
| Aug 2024Tracker Mineral | 38 | 0 | $76.68 | $1.99 |
| Jul 2024Tracker Mineral | 36 | 0 | $81.80 | $2.07 |
| Jun 2024Tracker Mineral | 39 | 0 | $79.77 | $2.54 |
| May 2024Tracker Mineral | 38 | 0 | $80.02 | $2.12 |
| Apr 2024Tracker Mineral | 36 | 163 | $85.35 | $1.60 |
| Mar 2024Tracker Mineral | 25 | 0 | $81.28 | $1.49 |
| Feb 2024Tracker Mineral | 23 | 0 | $77.25 | $1.72 |
| Jan 2024Tracker Mineral | 27 | 0 | $74.15 | $3.18 |
| Dec 2023Tracker Mineral | 63 | 0 | $71.90 | $2.52 |
| Nov 2023Tracker Mineral | 14 | 157 | $77.69 | $2.71 |
| Oct 2023Tracker Mineral | 40 | 0 | $85.64 | $2.98 |
| Sep 2023Tracker Mineral | 42 | 0 | $89.43 | $2.64 |
| Aug 2023Tracker Mineral | 14 | 0 | $81.39 | $2.58 |
No report filed More than 3% of gas flared
SourceVolumes: Texas Railroad Commission Production Data Query, reported through Jul 2026. Prices: EIA WTI Cushing spot and Henry Hub spot, monthly, through Aug 2026. “Gas sold” is gas sent to a transmission line (code 2) or a plant (code 3).
Check your statements
Do your checks match this lease?
Upload your statements for WINDHAM "164". We compare volumes, prices, deductions and timing with the state record and give you the exact question to ask Tracker Mineral.
- A month that was never paid
- Your share of the barrels and mcf
- The price against WTI and Henry Hub
- Fees taken on gas
- Late payment interest
Around this lease
Walk the neighborhood
This lease belongs to
Tracker Mineral in Callahan County
No other producing leases from this operator in this county are in our data yet.
Durango (Cook) field
No other producing leases in this field are in our data yet.
Leases within 10 km
Found by the location of their wells.
- WINDHAM 145
136 bbl last 12 months · 6.1 km away
- STRALEY-SCHKADE UNIT
0 mcf last 12 months · 6.2 km away
- STRALEY-SCHKADE UNIT
0 mcf last 12 months · 6.3 km away
- HARRIS "295"
0 bbl last 12 months · 6.6 km away
- PARSONS
171 bbl last 12 months · 7.4 km away
New drilling permits in Callahan County
We do not have coordinates for this lease, so these are the newest permits in its county.
ABILENE 3.0 GB - S CR 259 #01
new drill · Energy Transfer Company · Callahan County
Permit 0918516 · Sep 14, 2026
CUNNINGHAM #1
new drill · Big Mountain Operating LLC · Callahan County
Permit 0918276 · Sep 4, 2026
STACY, F.W. #11
new drill · Cotula Oil & Gas Co., Inc. · Callahan County
Permit 0916727 · Sep 2, 2026
HENDERSON, E.E. 'B' #3
new drill · Wilson Well Service Inc. · Callahan County
Permit 0917386 · Jul 29, 2026
EA-46 REPLACEMENT TINER #1
new drill · Oneok West TX NGL PL, L.L.C. · Callahan County
Permit 0914970 · Jun 17, 2026
How to read this page
Questions owners ask
What is a decimal interest?
It is your share of the whole lease, written as a decimal. A 1/4 royalty on 5 net acres in a 1,280-acre unit is 1/4 × 5 ÷ 1,280 = 0.00097656. Your division order states yours.
How do I use this page to check a royalty check?
Take the “Oil sold” volume for the month the check covers and multiply it by your decimal. The answer should match the barrels on your statement. If it does not, upload the statement and we will show where the two differ.
Why is the newest month Jul 2026?
The Railroad Commission publishes production two to three months after the fact and revises recent months. We re-pull the latest three months on every update.
Does this page show what my check should be?
No. It shows what the state recorded. Prices, fees and taxes depend on your lease and on what your operator gets for the oil and gas. The estimator gives a ceiling to compare against.
Sources and method
Where these numbers come from
- Production and disposition by month: Texas Railroad Commission Production Data Query, oil lease 27795, district 7B, reported through Jul 2026.
- Wells: Texas Railroad Commission Wellbore Query.
- Prices: U.S. Energy Information Administration, WTI Cushing spot and Henry Hub spot, monthly.
- Page updated Sep 28, 2026.
We show the state’s numbers as filed. Where the state has no report for a month, we say so instead of guessing.