42-501-32957

Final Completion

READ

YOAKUM County · District 8 · EXTEX OPERATING COMPANY · BRAHANEY NORTHWEST (DEVONIAN)

Permits

Max Depth

12,250 ft

First Permit

1985-10-23

Latest Activity

1997-01-17

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-04-18

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Production: PYR ENERGY CORPORATION (reported 2009-01)

EWA / Permit operator mismatch

Scheduling: EXTEX OPERATING COMPANY ≠ Permit: ANADARKO PETROLEUM CORP.

Resolved via: scheduling → EXTEX OPERATING COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000094481 permitted 2004-08-13

Permitted Volume

10,000 bbl/d

Max Pressure

3,000 psi

Injection Interval

11,232–11,866 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Operator History

Chain of Custody

ANADARKO PETROLEUM CORPORATION 1993-2002→ BOMMER ENGINEERING CO. 2002-2007→ PYR ENERGY CORPORATION 2007-2008

Lease Production

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

Formation Tops (8) Elevation 3,702 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	3,140 ft	+562 ft
SAN ANDRES	4,530 ft	-828 ft
GLORIETA	6,020 ft	-2,318 ft
TUBB	7,130 ft	-3,428 ft
CLEARFORK, LOWER (Clear Fork)	7,230 ft	-3,528 ft
WOLFCAMP	8,920 ft	-5,218 ft
MISSISSIPPIAN	11,030 ft	-7,328 ft
DEVONIAN	11,727 ft	-8,025 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)

Interval	Type
11,232–11,260 ft	Perforated
11,850–11,866 ft	Perforated
11,850–11,870 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.625"	478 ft	550 sx
13.375"	478 ft	550 sx
9.625"	5,800 ft	2,650 sx
5.5"	11,876 ft	325 sx

Permit History (2)

#457392 Recompletion Final Completion

READ · 11,876 ft

1997-01-17

Spud 1998-08-26

#288173 Drill Final Completion

READ · 12,250 ft

1985-10-23

Spud 1985-11-30

Applications (2)

#457392 A ANADARKO PETROLEUM CORP.

received 1997-01-15

#288173 A ARCO OIL & GAS CO.

received 1985-10-23

Records & Logs

6 completion filings on record · 2 with log images at RRC.

W-2/G-1 2006-11-01

W-2/G-1 1998-12-07 log on file

W-2/G-1 1987-07-13

W-2/G-1 1986-02-18 log on file

W-2/G-1 1986-02-25

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 YOAKUM County.

Well Details

Well Number: 1
Max Depth: 12,250 ft
Drill Type: Vertical
County: YOAKUM
District: 8
Operator: EXTEX OPERATING COMPANY
Completed: 1987-04-18

Operator

Name: EXTEX OPER CO
Location: HOUSTON
P-5 Status: Active (filed 2026-01-07)
Cum Oil (all leases): 5,887,486 bbl
Cum Gas (all leases): 10,031,045 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 117