OPERATORS · RRC 950639 · P-5 STATUS Y
Zephyr Lone Star Oper Co.,l.l.c
Oklahoma City, OK
Watch this operatorZephyr Lone Star Oper CO.,L.L.C has filed no drilling permits in the past 12 months; its most recent permit was issued October 28, 2009.
The RRC wellbore file lists 15 wells under its operatorship (1 producing).
30 drilling permits have been issued to this operator number since 1997; its P-5 organization report was last filed December 4, 2025.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 1
- producing wells, of 15 of record
- 19
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
From permit to spud
FROM THE DATES ON ITS W-1 PERMITS · ALL TIME
A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.
- 77%
- spud rate · 23 of 30 mature permits
- 21
- median days permit to spud · middle half 8–71
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 7
- expired undrilled
- 2
- permits a year over 13 active years
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
| County | 12 mo | All time | Wells | Last |
|---|---|---|---|---|
| Hemphill county → | — | 13 | 4 | Oct 28, 2009 |
| Wheeler county → | — | 13 | 7 | Sep 22, 2009 |
| Sutton county → | — | 4 | 4 | Jan 5, 2009 |
All 30 permits, searchable → · Leases it reports → · On the map →
Formations in its completed wells
Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →
| Formation | Wells | Permitted last 3 yrs |
|---|---|---|
| Granite Wash | 12 | 0 |
| Des Moines | 8 | 0 |
| Cleveland | 7 | 0 |
| Oswego | 7 | 0 |
| Tonkawa | 6 | 0 |
| Douglas | 4 | 0 |
| Marmaton | 3 | 0 |
| Morrow | 3 | 0 |
| Wolfcamp | 2 | 0 |
| Canyon | 2 | 0 |
| Atoka | 1 | 0 |
| Brown Dolomite | 1 | 0 |
| Woodford | 1 | 0 |
Production by month
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →
- 0
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 99.1K
- mcf gas incl. casinghead, last 12
- 14.3K
- bbl oil since reporting began
Gas, mcf
Last 12 months 99,070 · prior 12 160,843(-38%)
Oil, barrels
Last 12 months 0 · prior 12 0
Beyond the permit record
RRC wellbore file
Wells of record
- 15
- on the schedule
- 1
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 12
- plugged
How it got them
- 8
- permitted itself
- 3
- acquired from others
- 13
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
Permit types
Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Drill | 0 | 0 | 19 |
| Recompletion | 0 | 0 | 9 |
| Reenter | 0 | 0 | 2 |
Fields
RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.
| Field | Wells | Producing |
|---|---|---|
| Stiles Ranch (Granite Wash Cons)86125250 | 6 | 0 |
| Miers (Canyon)61249200 | 2 | 0 |
| Buffalo Wallow (Morrow)13147666 | 2 | 1 |
| Sawyer (Canyon)81267333 | 1 | 0 |
| Seco (Strawn)82038500 | 1 | 0 |
| Wildcat24001 | 1 | 0 |
| Lucas Preston (Granite Wash)55431350 | 1 | 0 |
| Riley (Cleveland 10250)76703500 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Dec 4, 2025
- Gas operator
- Address
- 5225 N Shartel Ave Ste 200
- Oklahoma City, OK 73118
- (405) 642-2504
- Officers and agents
- Lang, Carl R. · Texas Resident Agent
- Johnson, Joe David · Member,partner
- Lang, Carl R. · Member,partner
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
About this data
Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.
Developers: this page as JSON is GET /v1/data/operators/tx/950639, documented in the API reference.