OPERATORS · RRC 148221 · P-5 STATUS Y
Chief Engy Co
Dallas, TX
Watch this operatorChief Engy CO has filed no drilling permits in the past 12 months; its most recent permit was issued June 12, 1989.
The RRC wellbore file lists 1 well under its operatorship.
10 drilling permits have been issued to this operator number since 1985; its P-5 organization report was last filed August 5, 1995.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 1 of record
- 1
- 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.
- 0%
- spud rate · 0 of 10 mature permits
- —
- median days permit to spud
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 10
- expired undrilled
- 3
- permits a year over 4 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 |
|---|---|---|---|---|
| Tom Green county → | — | 5 | 1 | Jun 12, 1989 |
| Winkler county → | — | 3 | 0 | Aug 25, 1987 |
| Archer county → | — | 1 | 0 | Dec 6, 1985 |
| Concho county → | — | 1 | 0 | Apr 11, 1988 |
All 10 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 |
|---|---|---|
| San Angelo | 3 | 0 |
| Canyon | 2 | 0 |
| Yates | 2 | 0 |
| San Andres | 1 | 0 |
| Clear Fork | 1 | 0 |
| Capitan | 1 | 0 |
| Santa Rosa | 1 | 0 |
| Strawn | 1 | 0 |
| Seven Rivers | 1 | 0 |
| Queen | 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
- 0
- mcf gas incl. casinghead, last 12
- 0
- bbl oil since reporting began
No lease production reported under this operator number in the last three years.
Beyond the permit record
RRC wellbore file
Wells of record
- 1
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 0
- plugged
How it got them
- 1
- permitted itself
- 0
- acquired from others
- 6
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 0
- active UIC permits of 1
- 0
- permitted bbl/day, active
- 0
- bbl injected, last 12 reported months
- Jun 2025
- reported through
By county
| Winkler | 0 active | 0 bbl/d |
Permitted volume is a ceiling, not throughput. How to read it →
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 →
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 |
|---|---|---|
| T. D. (6575)87920500 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed Aug 5, 1995
- Address
- 8111 Preston Road, Ste. 701
- Dallas, TX 75225
- Officers and agents
- Rees-Jones, Trevor D. · President/Vice President/Secreta
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 360352 | Jun 12, 1989 | Jun 12, 1989 | Chief Energy Company | Tom Green | Munn "1134" #1 | 6,600 | 45131959 |
| 345060 | Apr 11, 1988 | Apr 11, 1988 | Chief Energy Company | Concho | Anderson #1 | 3,950 | 09530957 |
| 344826 | Apr 5, 1988 | Apr 5, 1988 | Chief Energy Company | Tom Green | Munn "1127" #2 | 1,300 | 45131878 |
| 339342 | Nov 24, 1987 | Nov 24, 1987 | Chief Energy Company | Tom Green | Munn "1123" #1 | 6,800 | 45131846 |
| 334842 | Aug 25, 1987 | Aug 25, 1987 | Chief Energy Company | Winkler | Hendrick, T. G. T-89-J #16 | 3,650 | 49531607 |
| 332836 | Jul 13, 1987 | Jul 13, 1987 | Chief Energy Company | Tom Green | Munn "1127" #1 | 7,100 | 45131800 |
| 332836 | Jul 13, 1987 | Jul 13, 1987 | Chief Energy Company | Tom Green | Munn "1127" #1 | 7,100 | 45131800 |
| 330777 | May 26, 1987 | May 26, 1987 | Chief Energy Company | Winkler | Hendrick, T. G. T-89-L #22 | 3,100 | 49532118 |
| 304862 | Aug 4, 1986 | Aug 4, 1986 | Chief Energy Company | Winkler | Hendrick, T. G. T-89-L #21 | 3,200 | 49532056 |
| 292078 | Dec 6, 1985 | Dec 6, 1985 | Chief Energy Company | Archer | Alexander #1 | 1,200 | 00939321 |
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/148221, documented in the API reference.