OPERATORS · TEXAS · P-5 NUMBER 872227

TSF Operating

P-5 status
Inactive (I)
P-5 last filed
Jul 19, 2011
Based in
Midland, TX

Tsf Operating has filed no drilling permits in the past 12 months; its most recent permit was issued September 23, 2005.

The RRC wellbore file lists 8 wells under its operatorship.

13 drilling permits have been issued to this operator number since 1984; its P-5 organization report was last filed July 19, 2011.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 8 of record
8
leases it reports
—
horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 5, 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.

69%
spud rate · 9 of 13 mature permits
27
median days permit to spud · middle half 13–55
0
spuds, last 180 days
0%
canceled · 0 permits
4
expired undrilled
1
permits a year over 21 active years

Permits issued by month

LAST 60 MONTHS · BY ISSUE DATE

Last 12 months 0 · prior 12 0

0120222023202420252026

Counties

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

County12 moAll timeWellsLast
Upton county →—108Sep 23, 2005
Midland county →—20Oct 2, 2003
Reagan county →—10Nov 20, 1996

All 13 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
Spraberry60
Wolfcamp20
Dean20
Jo Mill10
Clear Fork10

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
534K
bbl oil since reporting began

No lease production reported under this operator number in the last ten years.

Beyond the permit record

RRC wellbore file

Wells of record

8
in the wellbore file
0
producing
0
shut in
0
injection
0
temp. abandoned
7
plugged

How it got them

2
permitted itself
1
acquired from others
6
permitted, now run by others

Each count opens the wells it counts. Acquired means the well's permit names a different operator than the schedule does today; wells it permitted that others now run are in its permit history, marked with who runs them now. 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
Reenter006
Drill004
Recompletion003

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.

P-5 organization report

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

Registration
Status Inactive (I)
Last filed Jul 19, 2011
Address
P O Box 222
Midland, TX 79702
(432) 683-2929
Officers and agents
Fields, Terry S. · Operator/Owner

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
605687Sep 23, 2005Sep 23, 2005TSF OperatingUptonPowell 34 #113,65046132788
537093Oct 2, 2003Oct 2, 2003TSF OperatingMidlandCanon #210,25032934993
524462Oct 8, 2002Oct 8, 2002TSF OperatingUptonHirsch, Rebecca et AL #28,56046134344
511361Aug 23, 2001Aug 23, 2001TSF OperatingUptonOldham, D. M., Jr. et AL #29,25046134212
507478Apr 10, 2001Apr 10, 2001TSF OperatingUptonHirsch, Rebecca et AL #18,60046102828
502942Dec 27, 2000Dec 27, 2000TSF OperatingUptonPembrook #1A8,40046101242
502941Dec 27, 2000Dec 27, 2000TSF OperatingUptonKey, Wilma #1A8,40046104166
493728Apr 4, 2000Apr 4, 2000TSF OperatingMidlandCanon #110,20032901217
488496Oct 19, 1999Oct 19, 1999TSF OperatingUptonNeal, H. F. #18,65046103880
455337Nov 20, 1996Nov 20, 1996TSF OperatingUptonHalff Estate A #26,89646100947
455336Nov 20, 1996Nov 20, 1996TSF OperatingReaganHalff Estate A #17,76038301916
391707Oct 28, 1991Oct 28, 1991TSF OperatingUptonLula "37" #18,42546131374
257896Nov 13, 1984Nov 13, 1984Alta Energy CorporationUptonPembrook #18,80046132306
255018Oct 19, 1984Oct 19, 1984TSF OperatingUptonBarrett #19,50046132224
35948Oct 31, 1978Oct 31, 1978Cola Petroleum, Inc.UptonLula "37" #19,20046131374

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 by the operator that filed them, through the statewide reported-through month; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/operators/tx/872227, documented in the API reference.