Petrora

OPERATORS · RRC 286609  · P-5 STATUS Y

Hamman Oil & Refg. Co

Pearland, TX

Watch this operator

Hamman Oil & Refg. CO has filed no drilling permits in the past 12 months; its most recent permit was issued February 7, 1995.

The RRC wellbore file lists 23 wells under its operatorship.

78 drilling permits have been issued to this operator number since 1981; its P-5 organization report was last filed December 2, 2022.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 23 of record
5
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.

51%
spud rate · 40 of 78 mature permits
23
median days permit to spud · middle half 8–44
0
spuds, last 180 days
3%
cancelled · 2 permits
37
expired undrilled
6
permits a year over 14 active years

Where

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

County12 moAll timeWellsLast
Live Oak county →—246Feb 7, 1995
Brazoria county →—94Apr 16, 1985
Colorado county →—84May 14, 1985
Harris county →—72Jan 24, 1985
Matagorda county →—71Dec 12, 1985
Jackson county →—62Dec 21, 1984
San Patricio county →—42May 25, 1984
Galveston county →—30Aug 20, 1984
Liberty county →—30Jun 5, 1984
Goliad county →—21Jul 10, 1984
Dimmit county →—10Aug 14, 1984
Jefferson county →—10Dec 31, 1982
Lavaca county →—10Dec 30, 1983
McMullen county →—11Dec 3, 1982
Nueces county →—10Sep 26, 1983

All 78 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
Frio120
Miocene (undifferentiated)80
Wilcox70
Yegua50
Queen City20
Vicksburg10

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
24.5K
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

23
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
19
plugged

How it got them

19
permitted itself
4
acquired from others
10
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
Drill0055
Recompletion0019
Reenter002
Other001
Field transfer001

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
Appling (Seg C Kopnicky Middle)331221010
Blessing N.E. (F-18)887414110
Chesterville North (Yegua 5952)1755239310
Chesterville (Wilcox A-3)1755040010
Chocolate Bayou NE. (9910)1791970010
Crosby North (Yegua 8319)2182870010
Danbury Dome2297500110
Danbury Dome North (F-5)2297742510
Danbury Dome North (Frio 1-B)2297751010
EL Toro SE. (5480)2820840010
Garwood S.E. (3630 Yegua)3409673010
Goat Creek (Yegua 4450)3546650010

P-5 organization report

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

Registration
Status code Y
Last filed Dec 2, 2022
Address
PO Box 700
Pearland, TX 77588
Officers and agents
Lawing, Douglas L. Esq. · Texas Resident Agent
Eckel, John Raymond Jr. · President/Secretary/Treasurer

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
432669Feb 7, 1995Feb 7, 1995Frio Exploration CompanyLive OakReagan, Robert et AL #5T7,50029733743
416636Oct 5, 1993Oct 5, 1993Frio Exploration CompanyLive OakReagan, Robert H. #78,01229733967
414713Sep 3, 1993Sep 3, 1993Frio Exploration CompanyLive OakReagan, Robert H. et AL #98,00029734055
414713Sep 3, 1993Sep 3, 1993Frio Exploration CompanyLive OakReagan, Robert H. et AL #98,00029734055
413396Jul 12, 1993Jul 12, 1993Frio Exploration CompanyLive OakReagan, L. A. #210,09129733197
381457Jul 8, 1993Jul 8, 1993Frio Exploration CompanyLive OakReagan, Robert H. #78,01229733967
407169Jan 6, 1993Jan 6, 1993Frio Exploration CompanyLive OakReagan, Robert H. et AL #98,00029734055
407169Jan 6, 1993Jan 6, 1993Frio Exploration CompanyLive OakReagan, Robert H. et AL #98,00029734055
400502Aug 18, 1992Aug 18, 1992Frio Exploration CompanyLive OakReagan, Robert H. et AL #88,00029734004
395207Dec 18, 1991Dec 18, 1991Frio Exploration CompanyLive OakReagan, Robert H. et AL #88,00029734004
381457Nov 26, 1990Nov 26, 1990Frio Exploration CompanyLive OakReagan, Robert H. et AL #78,10029733967
367291Dec 8, 1989Dec 8, 1989Frio Exploration CompanyLive OakReagan, L. A. #18,05029732634
358464Apr 25, 1989Apr 25, 1989Frio Exploration CompanyLive OakReagan, L. A. #3U10,10929733458
352816Nov 1, 1988Nov 1, 1988Frio Exploration CompanyLive OakReagan, L. A. #210,09129733197
352073Oct 11, 1988Oct 11, 1988Frio Exploration CompanyLive OakReagan, Robert H. et AL #5T7,50029733743

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/286609, documented in the API reference.