OPERATORS · TEXAS · P-5 NUMBER 123869

Calk Operating Co.

P-5 status
Inactive (I)
P-5 last filed
Apr 4, 2013
Based in
Lytle, TX

Petrora groups this registration with Calk Operating, LLC, Texas (5 active wells). Calk Operating, LLC across every state →

Calk Operating CO. has filed no drilling permits in the past 12 months; its most recent permit was issued October 26, 2013.

2 drilling permits have been issued to this operator number since 2013; its P-5 organization report was last filed April 4, 2013.

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 NOV 5, 2026

Permits issued by month

LAST 60 MONTHS · BY ISSUE DATE

Last 12 months 0 · prior 12 0

0120222023202420252026

Counties

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

County12 moAll timeWellsLast
Atascosa county →—20Oct 26, 2013

All 2 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
Escondido20
Olmos20

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
1.19K
bbl oil since reporting began

No lease production reported under this operator number in the last ten years.

Beyond the permit record

RRC wellbore file

Wells of record

0
in the wellbore file
0
producing
0
shut in
0
injection
0
temp. abandoned
0
plugged

How it got them

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

Each count opens the wells it counts. Acquired means the well's permit names a different operator than the schedule does today; wells it permitted that others now run are in its permit history, marked with who runs them now. 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
Drill002

P-5 organization report

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

Registration
Status Inactive (I)
Last filed Apr 4, 2013
Address
P O Box 94
Lytle, TX 78052
(830) 772-4068
Officers and agents
Calk, Roger D · Operator/Owner

Latest permits

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

PermitSeenIssuedOperatorCountyLease / wellDepthAPI
771760Oct 26, 2013Oct 26, 2013Calk Operating Co.AtascosaGoodwyn, A.B. #152,00001334842
771758Oct 26, 2013Oct 26, 2013Calk Operating Co.AtascosaGoodwyn, A.B. #142,00001334841

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 by the operator that filed them, through the statewide reported-through month; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/operators/tx/123869, documented in the API reference.