Petrora

OPERATORS · RRC 142485  · P-5 STATUS Y

Chalmers, John H

Abilene, TX

Watch this operator

Chalmers, John H has filed no drilling permits in the past 12 months; its most recent permit was issued February 5, 1979.

The RRC wellbore file lists 19 wells under its operatorship.

117 drilling permits have been issued to this operator number since 1977.

0
permits, last 12 months
—
vs prior 12 months (0)
0
counties, 12 months
0
producing wells, of 19 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.

64%
spud rate · 75 of 117 mature permits
9
median days permit to spud · middle half 3–18
0
spuds, last 180 days
0%
cancelled · 0 permits
42
expired undrilled
59
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
Taylor county →—254Feb 5, 1979
Shackelford county →—221Dec 6, 1978
Coleman county →—200Nov 28, 1978
Jones county →—175Dec 8, 1978
Callahan county →—90Sep 15, 1978
Comanche county →—70Jun 1, 1978
Runnels county →—51Jun 6, 1978
Eastland county →—20Oct 16, 1978
Fisher county →—23Sep 28, 1977
Haskell county →—22Nov 2, 1977
Kimble county →—20Nov 23, 1977
Brown county →—10Nov 28, 1978
Coke county →—10Nov 27, 1978
Concho county →—10Oct 11, 1977
Knox county →—11Jul 12, 1978

All 117 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
Coleman Junction20
Palo Pinto20
Tannehill20
Saddle Creek20
Marble Falls10

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

19
on the schedule
0
producing
0
shut in
0
injection
0
temp. abandoned
10
plugged

How it got them

0
permitted itself
0
acquired from others
35
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 5
0
permitted bbl/day, active
0
bbl injected, last 12 reported months
Jun 2025
reported through

By county

Taylor0 active0 bbl/d
Jones0 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
Drill00111
Other005
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
Jones County Regular4711300140
Taylor County Regular8852000140
Goree3598300110
Haskell County Regular3958300110
Jim-Lew (Swastika)4645150010
M. M. C. (Flippen)5626650010
Rotan N. (Flippen)7846150010
Sears (Strawn N.)8199685210
Shackelford County Regular (Gas)8252202510
Tolar E. (Swastika)9038466610
Avoca North454400110
Vogelsang N. (Palo Pinto)9402150010

P-5 organization report

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

Registration
Status code Y
Last filed —
Address
Box 5107
Abilene, TX 79605
Officers and agents
Chalmers, John H. · Operator

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
41970Feb 5, 1979Feb 5, 1979Chalmers, John H.TaylorThornton, E..l. #21,94344101561
41291Jan 23, 1979Jan 23, 1979Chalmers, John H.TaylorClark, Harold C. #22,90044131372
41164Jan 19, 1979Jan 19, 1979Chalmers, John H.TaylorNeill, T. J. #22,90044131371
38487Dec 8, 1978Dec 8, 1978Chalmers, John H.JonesBrandenburg, Joe #13,55025331115
38235Dec 6, 1978Dec 6, 1978Chalmers, John H.ShackelfordAckers "22" #21,90041732774
38061Dec 4, 1978Dec 4, 1978Chalmers, John H.JonesBaucum, Jim Lee #13,55025331111
37653Nov 28, 1978Nov 28, 1978Chalmers, John H.ColemanGriffis, Theo #11,60008331621
37617Nov 28, 1978Nov 28, 1978Chalmers, John H.BrownGaines, Worth #13,10004931905
37597Nov 28, 1978Nov 28, 1978Chalmers, John H.ColemanBell, Roy #11,60008331620
37596Nov 28, 1978Nov 28, 1978Chalmers, John H.ColemanThate, Ona Mae #12,20008331619
37542Nov 27, 1978Nov 27, 1978Chalmers, John H.CokeArledge, J. W. Jr. 262 #15,55008130716
36664Nov 10, 1978Nov 10, 1978Chalmers, John H.ColemanLavelle, Elsie C. et al 104 #13,60008331603
36663Nov 10, 1978Nov 10, 1978Chalmers, John H.ColemanWinfrey, Dennis #11,60008331602
36509Nov 8, 1978Nov 8, 1978Chalmers, John H.ColemanTaylor, Ben F. #13,20008331601
36499Nov 8, 1978Nov 8, 1978Chalmers, John H.ColemanGriffis, Hazel #13,90008331600

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/142485, documented in the API reference.