Petrora

OPERATORS · RRC 357503  · P-5 STATUS Y

Harmony Drilling Co

Houston, TX

Watch this operator

Harmony Drilling CO has filed no drilling permits in the past 12 months; its most recent permit was issued October 23, 1981.

26 drilling permits have been issued to this operator number since 1980; its P-5 organization report was last filed March 12, 1982.

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

15%
spud rate · 4 of 26 mature permits
66
median days permit to spud · middle half 59–72
0
spuds, last 180 days
8%
cancelled · 2 permits
20
expired undrilled
13
permits a year over 2 active years

Where

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

County12 moAll timeWellsLast
Medina county →—250May 1, 1981
McMullen county →—10Oct 23, 1981

All 26 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
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

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

How it got them

0
permitted itself
0
acquired from others
16
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
Drill0026

P-5 organization report

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

Registration
Status code Y
Last filed Mar 12, 1982
Address
11211 Katy Freeway, Ste 460
Houston, TX 77079
Officers and agents
Downman, Eugene G. · Partner
Downman, Gerald B. · Partner
Downman, Cynthia · Partner

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
137916Oct 23, 1981Oct 23, 1981Harmony Drilling CompanyMcMullenHolcomb #21,00031131655
116704May 1, 1981May 1, 1981Harmony Drilling CompanyMedinaWeinstrom, Herbert & Janet E. #21,00032531722
116703May 1, 1981May 1, 1981Harmony Drilling CompanyMedinaWeinstrom, Herbert & Janet E. #31,00032531721
112409Mar 18, 1981Mar 18, 1981Harmony Drilling CompanyMedinaKoemel, J. J. #81,00032531661
108092Feb 9, 1981Feb 9, 1981Harmony Drilling CompanyMedinaBass, James R. #11,00032531548
107300Feb 2, 1981Feb 2, 1981Harmony Drilling CompanyMedinaBass, James R. #21,00032531553
99735Nov 19, 1980Nov 19, 1980Harmony Drilling CompanyMedinaKoemel, J. J. #61,00032531383
99733Nov 19, 1980Nov 19, 1980Harmony Drilling CompanyMedinaKoemel, J. J. #71,00032531381
99732Nov 19, 1980Nov 19, 1980Harmony Drilling CompanyMedinaKoemel, J. J. #31,00032531380
99731Nov 19, 1980Nov 19, 1980Harmony Drilling CompanyMedinaKoemel, J. J. #51,00032531379
99719Nov 18, 1980Nov 18, 1980Harmony Drilling CompanyMedinaKoemel, J. J. #41,00032531377
99718Nov 18, 1980Nov 18, 1980Harmony Drilling CompanyMedinaFernandez #31,00032531376
99679Nov 18, 1980Nov 18, 1980Harmony Drilling CompanyMedinaIrwin, John R. #41,00032531373
99672Nov 18, 1980Nov 18, 1980Harmony Drilling CompanyMedinaIrwin, John R. #61,00032531369
99670Nov 18, 1980Nov 18, 1980Harmony Drilling CompanyMedinaIrwin, John R. #51,00032531368

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/357503, documented in the API reference.