OPERATORS · RRC 521543  · P-5 STATUS Y

Magnum Oilfield Services LLC

Bakersfield, CA

Watch this operator

Magnum Oilfield Services LLC has filed no drilling permits in the past 12 months; its most recent permit was issued March 14, 2014.

The RRC wellbore file lists 68 wells under its operatorship (1 shut in).

1 drilling permits have been issued to this operator number since 2014; its P-5 organization report was last filed June 29, 2026.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 68 of record
11
leases it reports
—
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026

Where

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

County12 moAll timeWellsLast
Williamson county →—117Mar 14, 2014

All 1 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
No completion tops on file.

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
3.73K
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

68
on the schedule
0
producing
1
shut in
0
injection
0
temp. abandoned
28
plugged

How it got them

0
permitted itself
55
acquired from others
0
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

Liberty0 active0 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 →

Type12 moPrior 12All time
Drill001

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
Bateman (Austin Chalk)6053500360
Noack65600001110
Bsa (Strawn Sand)482850070
Matthews5831500160
Trebmal (Serpentine)9103060030
Liberty South5349800130
Somerset8456000110
Acleto Creek (Poth B)46751010

P-5 organization report

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

Registration
Status code Y
Last filed Jun 29, 2026
Oil operator
Address
1804 Glenmont Dr
Bakersfield, CA 93309
(832) 360-3948
Officers and agents
Johnson, Billy · Texas Resident Agent
Lyle, David · Managing Member

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
782162Mar 14, 2014Mar 14, 2014Magnum Oilfield Services LLCWilliamsonZarza #11,50049130469
707434Dec 28, 2010Dec 28, 2010Chalker Operating Inc.BastropBateman (Austin Chalk) Unit #2112,45002131624
704214Nov 3, 2010Nov 3, 2010Chalker Operating Inc.BastropBateman (Austin Chalk) Unit #1153,10002131617
704202Nov 2, 2010Nov 2, 2010Chalker Operating Inc.BastropBateman (Austin Chalk) Unit #1142,60002131619
685347Sep 24, 2009Sep 24, 2009Black Jack Services, L.L.C.WilliamsonWoelfel #11,50049130444
652028Jan 3, 2008Jan 3, 2008Nichols,edwin S Explorations IncMenardEsn Bsa #14014,20032731034
524931Oct 31, 2002Oct 31, 2002Voskamp Exploration, Inc.BastropBrinkley #32,80002131554
521650Jul 12, 2002Jul 12, 2002Voskamp Exploration, Inc.BastropBrinkley #22,90002131551
518849Apr 10, 2002Apr 10, 2002Voskamp Exploration, Inc.BastropBrinkley #13,00002131549
441059Oct 20, 1995Oct 20, 1995Secondary Oil Corp., Inc.WilliamsonHall, Ray #1A2,00049130415
425164Jun 24, 1994Jun 24, 1994A.C.T. Operating CompanyBastropBateman (Austin Chalk) Unit #4072,80002131491
425163Jun 24, 1994Jun 24, 1994A.C.T. Operating CompanyBastropBateman (Austin Chalk) Unit #4042,80002131490
425162Jun 24, 1994Jun 24, 1994A.C.T. Operating CompanyBastropBateman (Austin Chalk) Unit #4032,80002131489
425161Jun 24, 1994Jun 24, 1994A.C.T. Operating CompanyBastropBateman (Austin Chalk) Unit #2052,80002131488
334096Aug 10, 1987Aug 10, 1987Kaye Poth Oil Corp.WilliamsonSladek, A. #51,20049130388

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/521543, documented in the API reference.