42-135-06724

Final Completion

PARKS ROY JR. -B- TG

ECTOR County · District 8 · ANADARKO PETROLEUM CORPORATION · HEADLEE (WOLFCAMP)

Permits

2

Max Depth

13,289 ft

First Permit

1984-03-20

Latest Activity

2002-09-24

Lifespan

19 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1990-12-19

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: ANADARKO PETROLEUM CORPORATION ≠ Production: COG OPERATING LLC (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: ANADARKO PETROLEUM CORPORATION ≠ Permit: FOUR STAR OIL AND GAS COMPANY

Resolved via: productionCOG OPERATING LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

UIC Permit Cancelled 1988-07-18 UIC #000012241

Permitted Volume

Max Pressure

Injection Interval

Injected (12mo)

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (7) Elevation 2,852 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SPRABERRY 7,980 ft-5,128 ft
STRAWN 9,915 ft-7,063 ft
BEND 10,290 ft-7,438 ft
DEVONIAN 11,533 ft-8,681 ft
DEVONIAN 11,534 ft-8,682 ft
SILURIAN (Silurian (undifferentiated))12,300 ft-9,448 ft
ELLENBURGER 13,087 ft-10,235 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (3)

IntervalType
9,454–9,646 ftPerforated
11,853–11,868 ftPerforated
13,229–13,289 ftPerforated

Casing (7)

SizeSet DepthCement
13.375"307 ft325 sx
13.375"307 ft
13.375"308 ft325 sx
8.625"5,940 ft3,835 sx
8.625"5,940 ft
5.5"13,263 ft950 sx
5.5"13,263 ft

Permit History (2)

Applications (2)

#523871 A FOUR STAR OIL AND GAS COMPANY
received 2002-09-19
#233134 A ARCO OIL & GAS CO.
received 1984-03-19

Records & Logs

9 completion filings on record · 1 with log images at RRC.

W-2/G-1 2004-09-14 log on file
W-2/G-1 2004-11-15
W-2/G-1 1991-04-09
W-2/G-1 1991-04-09
W-2/G-1 1984-04-18
W-2/G-1 1984-05-01

+3 more filings

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in ECTOR County.

Well Details

Well Number
3812
Max Depth
13,289 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
1990-12-19

Operator

Location
HOUSTON
P-5 Status
Delinquent (filed 2012-06-11)
Cum Oil (all leases)
73,560,813 bbl
Cum Gas (all leases)
1,723,441,403 mcf
Total Permits
4,004