OPERATORS · RRC 148216 · P-5 STATUS Y
Chief Oil & Gas LLC
Dallas, TX
Watch this operatorChief Oil & Gas LLC has filed no drilling permits in the past 12 months; its most recent permit was issued July 23, 2010.
The RRC wellbore file lists 3 wells under its operatorship.
43 drilling permits have been issued to this operator number since 2007; its P-5 organization report was last filed May 5, 2017.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 3 of record
- 3
- 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.
- 49%
- spud rate · 21 of 43 mature permits
- 58
- median days permit to spud · middle half 45–75
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 22
- expired undrilled
- 14
- permits a year over 3 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 |
|---|---|---|---|---|
| Tarrant county → | — | 20 | 2 | Jul 3, 2008 |
| Parker county → | — | 10 | 1 | Oct 8, 2008 |
| Denton county → | — | 6 | 0 | Feb 22, 2008 |
| Johnson county → | — | 5 | 0 | Jul 10, 2009 |
| Dallas county → | — | 2 | 0 | Jul 23, 2010 |
All 43 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 |
|---|---|---|
| Barnett | 16 | 0 |
| Caddo | 13 | 0 |
| Marble Falls | 12 | 0 |
| Atoka | 4 | 0 |
| Strawn | 4 | 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
- 3
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 3
- plugged
How it got them
- 0
- permitted itself
- 3
- acquired from others
- 20
- 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 | 43 |
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 |
|---|---|---|
| Newark East (Barnett Shale)65280200 | 3 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed May 5, 2017
- Address
- 8111 Westchester Drive Ste 900
- Dallas, TX 75225
- (866) 947-6447
- Officers and agents
- Rees-Jones, Trevor David · Founder/Chairman
- Haworth Steven C · Vice President/Gen Counsel
- Simpson, Marcia · Vice President
- Levine, Andrew E · Vice President
- Hinton, John E · Vice President/Cfo
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 699458 | Jul 23, 2010 | Jul 23, 2010 | Chief Oil & Gas LLC | Dallas | North Lake #A 2HH | 8,900 | 11330209 |
| 699457 | Jul 23, 2010 | Jul 23, 2010 | Chief Oil & Gas LLC | Dallas | North Lake #A 1HH | 8,900 | 11330208 |
| 682909 | Jul 10, 2009 | Jul 10, 2009 | Chief Oil & Gas LLC | Johnson | Springwood Unit #1HH | 8,900 | 25133705 |
| 671070 | Oct 14, 2008 | Oct 14, 2008 | Chief Oil & Gas LLC | Johnson | Springwood Unit #5HH | 8,900 | 25133289 |
| 672122 | Oct 8, 2008 | Oct 8, 2008 | Chief Oil & Gas LLC | Parker | Red Oak Ranch #9HH | 8,900 | 36734881 |
| 672119 | Oct 8, 2008 | Oct 8, 2008 | Chief Oil & Gas LLC | Parker | Red Oak Ranch #8HH | 8,900 | 36734880 |
| 672115 | Oct 8, 2008 | Oct 8, 2008 | Chief Oil & Gas LLC | Parker | Red Oak Ranch #7HH | 8,900 | 36734879 |
| 672113 | Oct 8, 2008 | Oct 8, 2008 | Chief Oil & Gas LLC | Parker | Red Oak Ranch #6HH | 8,900 | 36734878 |
| 667970 | Sep 22, 2008 | Sep 22, 2008 | Chief Oil & Gas LLC | Johnson | Springwood Unit #4HH | 8,900 | 25133140 |
| 662342 | Jul 8, 2008 | Jul 8, 2008 | Chief Oil & Gas LLC | Johnson | Springwood Unit #2HH | 8,900 | 25132980 |
| 662321 | Jul 8, 2008 | Jul 8, 2008 | Chief Oil & Gas LLC | Johnson | Springwood Unit #3HH | 8,900 | 25132979 |
| 664557 | Jul 3, 2008 | Jul 3, 2008 | Chief Oil & Gas LLC | Tarrant | Alliance #C 7HH | 8,900 | 43933499 |
| 664552 | Jul 2, 2008 | Jul 2, 2008 | Chief Oil & Gas LLC | Tarrant | Alliance #C 6HH | 8,900 | 43933498 |
| 664549 | Jul 2, 2008 | Jul 2, 2008 | Chief Oil & Gas LLC | Tarrant | Alliance #C 5HH | 8,900 | 43933497 |
| 664545 | Jul 2, 2008 | Jul 2, 2008 | Chief Oil & Gas LLC | Tarrant | Alliance #C 4HH | 8,900 | 43933496 |
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/148216, documented in the API reference.