OPERATORS · RRC 671475  · P-5 STATUS Y

Portal Drilling Co

Portal Drilling CO has filed no drilling permits in the past 12 months; its most recent permit was issued June 30, 1989.

The RRC wellbore file lists 1 well under its operatorship.

52 drilling permits have been issued to this operator number since 1984; its P-5 organization report was last filed October 9, 1991.

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.

50%
spud rate · 26 of 52 mature permits
18
median days permit to spud · middle half 5–48
0
spuds, last 180 days
0%
cancelled · 0 permits
26
expired undrilled
10
permits a year over 5 active years

Where

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

County12 moAll timeWellsLast
McMullen county →—521Jun 30, 1989

All 52 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
Olmos10
Carrizo10
Queen City10

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

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

How it got them

1
permitted itself
0
acquired from others
41
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
Drill0052

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
A.W.P. (Wales)25660010

P-5 organization report

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

Registration
Status code Y
Last filed Oct 9, 1991
Address
3500 Thanksgiving Tower
Dallas, TX 75201
Officers and agents
Primal Trusts #1 Thru #7 · Trustee

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
360703Jun 30, 1989Jun 30, 1989Portal Drilling CompanyMcMullenTeal, C.E. #2R6,80031132756
360702Jun 30, 1989Jun 30, 1989Portal Drilling CompanyMcMullenHenry, Edna Gibbens #269,90031132757
360701Jun 30, 1989Jun 30, 1989Portal Drilling CompanyMcMullenHenry, Edna Gibbens #249,90031132758
321535Oct 6, 1986Oct 6, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #249,90031132496
320151Sep 3, 1986Sep 3, 1986Portal Drilling CompanyMcMullenHenry, Gibbens Edna #259,90031132490
320150Sep 3, 1986Sep 3, 1986Portal Drilling CompanyMcMullenHenry, Gibbens Edna #389,90031132489
305566Aug 25, 1986Aug 25, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #289,90031132488
304378Jul 21, 1986Jul 21, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #409,90031132477
304379Jul 21, 1986Jul 21, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #399,90031132478
303527Jun 24, 1986Jun 24, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #419,90031132475
303083Jun 10, 1986Jun 10, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #359,90031132472
298543Feb 26, 1986Feb 26, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #239,90031132449
298216Feb 21, 1986Feb 21, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #339,90031132448
297396Feb 11, 1986Feb 11, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #379,90031132446
296933Feb 4, 1986Feb 4, 1986Portal Drilling CompanyMcMullenHenry, Edna Gibbens #429,90031132441

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/671475, documented in the API reference.