Petrora

OPERATORS · RRC 148219  · P-5 STATUS Y

Chief Oil & Gas LLC **

Dallas, TX

Watch this operator

Chief Oil & Gas LLC ** has filed no drilling permits in the past 12 months; its most recent permit was issued June 27, 2006.

The RRC wellbore file lists 33 wells under its operatorship.

664 drilling permits have been issued to this operator number since 1995; its P-5 organization report was last filed April 4, 2008.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 33 of record
36
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.

61%
spud rate · 408 of 664 mature permits
45
median days permit to spud · middle half 19–115
0
spuds, last 180 days
8%
cancelled · 55 permits
201
expired undrilled
60
permits a year over 11 active years

Where

Counties by permits in the last 12 months, with all-time permits and current wells of record there.

County12 moAll timeWellsLast
Tarrant county →—4080Jun 27, 2006
Denton county →—860Apr 4, 2006
Parker county →—601Jun 26, 2006
Wise county →—553May 1, 2006
Johnson county →—210Mar 15, 2006
Hill county →—190May 30, 2006
Jack county →—100Aug 21, 2000
Hood county →—429Jun 26, 2006
Concho county →—10Mar 24, 1999

All 664 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 →

FormationWellsPermitted last 3 yrs
Barnett3641
Marble Falls3461
Viola2361
Caddo540
Forestburg320
Bend260
Atoka240
Big Saline230
Ellenburger200
Smithwick150
Base Cretaceous (marker)60
Strawn20
Pettit10
Simpson10
Glen Rose10

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
121K
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

33
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
31
plugged

How it got them

3
permitted itself
13
acquired from others
403
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 →

Type12 moPrior 12All time
Drill00651
Recompletion0010
Reenter002
Reclass001

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.

FieldWellsProducing
Lipan (Strawn)53826500190
Thorp Springs (Bonnie Sand)8958350060
Cockrell (Strawn)1928070020
Robinson Creek (Strawn 3300)7741860010
Weatherford SE (2150)9558950010
Alvord South (Atoka)214808310
Wildcat1400110
Boonsville (Bend Congl. Gas)1057452010
Morris (Consolidated Congl.)6297070010

P-5 organization report

As registered with the RRC. About the P-5 →

Registration
Status code Y
Last filed Apr 4, 2008
Address
5956 Sherry LN Ste 1500
Dallas, TX 75225
Officers and agents
Rees-Jones, Trevor David · Manager/President
Thomson, Cliff · Vice President
Kiker, Bill · Vice President

Latest permits

NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
621631Jun 27, 2006Jun 27, 2006Chief Oil & Gas LLCTarrantMcMahon #2HH8,90043931682
621561Jun 26, 2006Jun 26, 2006Chief Oil & Gas LLCParkerSmelley #6HH8,90036734068
621560Jun 26, 2006Jun 26, 2006Chief Oil & Gas LLCParkerSmelley #7HH8,90036734067
621559Jun 26, 2006Jun 26, 2006Chief Oil & Gas LLC **HoodNance, Kathy #1HH8,90022131134
621083Jun 15, 2006Jun 15, 2006Chief Oil & Gas LLC **TarrantParchman #1HH8,90043931662
620736Jun 12, 2006Jun 12, 2006Chief Oil & Gas LLCParkerC.J. Edwards Unit #1HH8,90036734051
620734Jun 12, 2006Jun 12, 2006Chief Oil & Gas LLCHoodAtor #1HH8,90022131123
620731Jun 9, 2006Jun 9, 2006Chief Oil & Gas LLCHoodAtor #2HH8,90022131122
620729Jun 9, 2006Jun 9, 2006Chief Oil & Gas LLCParkerMoore Price #1HH8,90036734050
620729Jun 9, 2006Jun 9, 2006Chief Oil & Gas LLCParkerMoore-Price #1HH8,90036734050
620729Jun 9, 2006Jun 9, 2006Chief Oil & Gas LLCParkerMoore-Price #1HH8,90036734050
620648Jun 8, 2006Jun 8, 2006Chief Oil & Gas LLC **ParkerRay Unit #3HH8,90036734046
620103May 30, 2006May 30, 2006Chief Oil & Gas LLCHillIgr Unit #1HH8,90021730411
619829May 25, 2006May 25, 2006Chief Oil & Gas LLC **TarrantMurrin Bear Creek #2HH8,90043931629
619682May 22, 2006May 22, 2006Chief Oil & Gas LLCParkerWestern Lake #2HH8,90036734019

Full permit history →

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/148219, documented in the API reference.