OPERATORS · RRC 298374  · P-5 STATUS Y

Gco Drilling Co

Gco Drilling CO has filed no drilling permits in the past 12 months; its most recent permit was issued August 21, 1990.

The RRC wellbore file lists 1 well under its operatorship.

22 drilling permits have been issued to this operator number since 1983; its P-5 organization report was last filed January 7, 1994.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 1 of record
0
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.

18%
spud rate · 4 of 22 mature permits
6
median days permit to spud · middle half 3–9
0
spuds, last 180 days
0%
cancelled · 0 permits
18
expired undrilled
3
permits a year over 8 active years

Where

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

County12 moAll timeWellsLast
Sterling county →—100Mar 17, 1987
Midland county →—20Jun 8, 1987
Mitchell county →—20Aug 12, 1986
Tom Green county →—20May 2, 1983
Upton county →—21Oct 22, 1986
Coke county →—10Jul 29, 1986
Crane county →—10Aug 21, 1990
Fisher county →—10Aug 13, 1986
Runnels county →—10Aug 12, 1986

All 22 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
Strawn90
Canyon60
Coleman Junction40
Mississippian10
Ellenburger10

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
3.65K
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
1
plugged

How it got them

0
permitted itself
1
acquired from others
13
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
Drill0021
Recompletion001

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
Spraberry (Trend Area)8527920010

P-5 organization report

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

Registration
Status code Y
Last filed Jan 7, 1994
Address
PO Box 10489% IP Petro:sullivan
Midland, TX 79702
Officers and agents
Floyd, John C. · Chairman
Swonke, John C. · Controller
Montague, J. R. · President

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
376820Aug 21, 1990Aug 21, 1990Gco Drilling CompanyCraneDay, Hallie #96,00010334077
331348Jun 8, 1987Jun 8, 1987Gco Drilling CompanyMidlandEvans #112,00032931850
331348Jun 8, 1987Jun 8, 1987Gco Drilling CompanyMidlandEvans #112,00032931850
327852Mar 17, 1987Mar 17, 1987Gco Drilling CompanySterlingBrown "169" #17,50043131841
323179Nov 18, 1986Nov 18, 1986Gco Drilling CompanySterlingKnight #67,50043131836
322241Oct 28, 1986Oct 28, 1986Gco Drilling CompanySterlingWelch 168 #38,10043131830
322055Oct 22, 1986Oct 22, 1986Gco Drilling CompanyUptonShirk #13,00046132602
305216Aug 13, 1986Aug 13, 1986Gco Drilling CompanyFisherNewman #16,20015132100
305145Aug 12, 1986Aug 12, 1986Gco Drilling CompanyRunnelsMcClellan #14,40039933754
305159Aug 12, 1986Aug 12, 1986Gco Drilling CompanyMitchellMcCabe "C" #17,28533532982
304723Jul 29, 1986Jul 29, 1986Gco Drilling CompanyCokeChapman #17,00008131412
304126Jul 15, 1986Jul 15, 1986Gco Drilling CompanyUptonJ & B Heirs #12,50046132588
303623Jun 27, 1986Jun 27, 1986Gco Drilling CompanySterlingWelch 168 #27,50043131820
303558Jun 26, 1986Jun 26, 1986Gco Drilling CompanySterlingWelch 168 #17,50043131819
302839Jun 4, 1986Jun 4, 1986Gco Drilling CompanySterlingKnight #47,35043131817

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/298374, documented in the API reference.