Petrora

OPERATORS · RRC 347650  · P-5 STATUS Y

Hamill, Claud B

Houston, TX

Watch this operator

Hamill, Claud B has filed no drilling permits in the past 12 months; its most recent permit was issued May 27, 1986.

The RRC wellbore file lists 22 wells under its operatorship.

15 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed March 13, 1987.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 22 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.

60%
spud rate · 9 of 15 mature permits
11
median days permit to spud · middle half 6–14
0
spuds, last 180 days
0%
cancelled · 0 permits
6
expired undrilled
2
permits a year over 9 active years

Where

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

County12 moAll timeWellsLast
Leon county →—50Dec 12, 1985
Schleicher county →—42Oct 22, 1979
Austin county →—10May 27, 1986
Kleberg county →—10Nov 15, 1979
Live Oak county →—10Nov 20, 1984
Smith county →—10Mar 7, 1980
Sutton county →—10Dec 5, 1979
Wharton county →—12Mar 30, 1978

All 15 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
Wilcox10
Cook Mountain10
Yegua10

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

22
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
2
plugged

How it got them

2
permitted itself
0
acquired from others
2
permitted, now run by others

Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →

RRC UIC permits · H-10 reported volumes

Disposal and injection

0
active UIC permits of 1
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Madison0 active0 bbl/d

Permitted volume is a ceiling, not throughput. How to read it →

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
Drill0011
Recompletion004

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
Doehrmann (Wilcox First Massive)2513049820
Mertz-Hamill (Strawn)6069050020
Borden-Hamill (Wilcox 10100)1066750010
Borden-Hamill (Wilcox 9590)1066746010
Borden-Hamill(wilcox 9770)1066747510
Conroe2021100110
Fairway (Massive Anhydrite)3003540010
Manziel SE (Paluxy)5726033310
Mt. Selman (Sub-Clarksville)6339650010
Nada South (6300)6431566610
Nada (Yegua 6400)6431090010
Ost-Hamill (7916)6644050010

P-5 organization report

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

Registration
Status code Y
Last filed Mar 13, 1987
Address
2306 1ST City Natl. Bk. Bldg.
Houston, TX 77002
Officers and agents
Brown, Thomas H. · Manager
McMurrey, Charles D. · General Manager
Read, Charlie H. · Treasurer

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
302545May 27, 1986May 27, 1986Hamill, Claud B.AustinMikeska-Blum #110,99201530186
292474Dec 12, 1985Dec 12, 1985Hamill, Claud B.LeonCoats Heirs Unit #29,40028930412
258277Nov 20, 1984Nov 20, 1984Hamill, Claud B.Live OakLivestock Auction #18,50029733516
108413Feb 13, 1981Feb 13, 1981Hamill, Claud B.LeonJohnson, Loy Unit #110,75028930419
104307Dec 29, 1980Dec 29, 1980Hamill, Claud B.LeonCoats Heirs Unit #210,00028930412
88599Aug 4, 1980Aug 4, 1980Hamill, Claud B.LeonCoats Heirs Unit #111,01028930393
74595Mar 7, 1980Mar 7, 1980Hamill, Claud B.SmithEltife et al Unit #18,03042330398
65591Dec 5, 1979Dec 5, 1979Hamill, Claud B.SuttonPowell, J. L. Unit #16,80043532272
63880Nov 15, 1979Nov 15, 1979Hamill, Claud B.KlebergKing Ranch, Inc. #112,50027331180
61408Oct 22, 1979Oct 22, 1979Hamill, Claud B.SchleicherMertz, M. L. et AL #16,50041330604
29467Jul 31, 1978Jul 31, 1978Hamill, Claud B.LeonRecknor, F. D. #116,50028930317
28389Jul 13, 1978Jul 13, 1978Hamill, Claud B.SchleicherThomson, Thad A. Jr. et AL #16,60041330714
21136Mar 30, 1978Mar 30, 1978Hamill, Claud B.WhartonHarfst, G. H. #45,02348131599
8607Sep 26, 1977Sep 26, 1977Hamill, Claud B.SchleicherMertz, M. L. et al "A" #16,60041330626
6256Aug 25, 1977Aug 25, 1977Hamill, Claud B.SchleicherMertz, M. L. et AL #17,00041330604

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/347650, documented in the API reference.