OPERATORS · TEXAS · P-5 NUMBER 484375

Lammerts, Robert P.

P-5 status: Inactive (I)
P-5 last filed: Jul 9, 1999
Based in: Oklahoma City, OK

Petrora groups this registration with Lammerts Robert P, Oklahoma (0 active wells). Lammerts, Robert P. across every state →

Lammerts, Robert P. has filed no drilling permits in the past 12 months; its most recent permit was issued February 24, 1986.

The RRC wellbore file lists 2 wells under its operatorship.

52 drilling permits have been issued to this operator number since 1977; its P-5 organization report was last filed July 9, 1999.

0: permits, last 12 months
—: vs prior 12 months (0)
0: counties, 12 months
0: producing wells, of 2 of record
0: leases it reports
—: horizontal, 12 months

WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 5, 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.

12%: spud rate · 6 of 52 mature permits
154: median days permit to spud · middle half 23–296
0: spuds, last 180 days
6%: canceled · 3 permits
43: expired undrilled
6: permits a year over 9 active years

Permits issued by month

LAST 60 MONTHS · BY ISSUE DATE

Last 12 months 0 · prior 12 0

Counties

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

County	12 mo	All time	Wells	Last
Brazos county →	—	24	0	Feb 24, 1986
Fayette county →	—	13	0	Dec 31, 1981
La Salle county →	—	6	1	Apr 30, 1985
Bastrop county →	—	4	1	Jul 27, 1981
Harris county →	—	4	0	Feb 24, 1983
Frio county →	—	1	0	Jan 27, 1978

All 52 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 →

Formation	Wells	Permitted last 3 yrs
Georgetown	9	0
Buda	9	0
Austin Chalk	7	0
Woodbine	6	0
Eagle Ford	3	0
Frio	1	0
Yegua	1	0
Cook Mountain	1	0

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 ten years.

Beyond the permit record

RRC wellbore file

Wells of record

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

How it got them

6: permitted itself
0: acquired from others
13: 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 →

Type	12 mo	Prior 12	All time
Drill	0	0	48
Recompletion	0	0	4

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.

Field	Wells	Producing
Giddings (Austin Chalk-1)34726510	1	0
Pearsall (Austin Chalk)69981125	1	0

P-5 organization report

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

Registration: Status Inactive (I); Last filed Jul 9, 1999

Address: 125 Park Avenue; Oklahoma City, OK 73102; (405) 236-1441

Officers and agents: C.T. Corp. System · Texas Resident Agent; Lammerts, Robert P. · Owner

Latest permits

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

Permit	Seen	Issued	Operator	County	Lease / well	Depth	API
330472	May 21, 1987	May 21, 1987	Arpel, Inc.	Bastrop	Yerger Hill #2	6,800	02130360
299588	Feb 24, 1986	Feb 24, 1986	Lammerts, Robert P.	Brazos	Philipello #1	8,700	04131094
280948	Jun 20, 1985	Jun 20, 1985	Lammerts, Robert P.	Brazos	Lipscomb #1	8,700	04130806
280943	Jun 20, 1985	Jun 20, 1985	Lammerts, Robert P.	Brazos	Dooley Unit #2 #1	8,665	04130796
273802	Apr 30, 1985	Apr 30, 1985	Lammerts, Robert P.	La Salle	Barrett #1	5,300	28330612
232129	Mar 12, 1984	Mar 12, 1984	Lammerts, Robert P.	Brazos	Fisher Well No. 2 #2	8,700	04131047
227014	Jan 24, 1984	Jan 24, 1984	Lammerts, Robert P.	Brazos	Phillipello Unit #1	8,700	04131094
226488	Dec 30, 1983	Dec 30, 1983	Lammerts, Robert P.	Brazos	Stringfellow Unit #1	8,700	04131093
220516	Nov 15, 1983	Nov 15, 1983	Lammerts, Robert P.	Brazos	Fisher Well No. 2 #2	8,700	04131047
217534	Oct 18, 1983	Oct 18, 1983	Lammerts, Robert P.	Brazos	Britten Bros. Well No. 2 #2	8,600	04131035
209313	Sep 2, 1983	Sep 2, 1983	Lammerts, Robert P.	Brazos	Wheeler-City Unit #1	8,800	04131011
202747	Jul 22, 1983	Jul 22, 1983	Lammerts, Robert P.	Brazos	Ransom Unit #01	8,765	04130732
200207	Jul 1, 1983	Jul 1, 1983	Lammerts, Robert P.	Brazos	Britten Brothers #1	8,593	04130972
191888	Apr 19, 1983	Apr 19, 1983	Lammerts, Robert P.	Brazos	Ransom "B" #1	8,700	04130932
190025	Mar 30, 1983	Mar 30, 1983	Lammerts, Robert P.	Brazos	#1 Dooley Unit (Carrabba Bros.) #B1	8,700	04130913

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/484375, documented in the API reference.