42-371-10723

COYANOSA UNIT NO. 3

PECOS County · District 8 · EXXON CORP. · COYANOSA (ELLENBURGER)

Permits

2

Max Depth

15,649 ft

First Permit

1998-05-29

Latest Activity

1998-05-29

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1966-11-01

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: EXXON CORP. ≠ Production: XTO ENERGY INC. (reported 2026-04)

Resolved via: productionXTO ENERGY INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (6) Elevation 2,650 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
PENNSYLVANIAN 9,991 ft-7,341 ft
MISSISSIPPIAN 10,708 ft-8,058 ft
DEVONIAN 11,621 ft-8,971 ft
FUSSELMAN 12,421 ft-9,771 ft
SIMPSON 12,992 ft-10,342 ft
WADDELL 14,428 ft-11,778 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
10,317–10,339 ftPerforated
10,351–10,376 ftPerforated
14,898–15,588 ftPerforated

Casing (7)

SizeSet DepthCement
11.75"1,807 ft
11.75"1,835 ft1,725 sx
8.625"9,204 ft
8.625"9,230 ft4,700 sx
2.5"14,770 ft
5"15,624 ft
5"15,649 ft

Permit History (2)

Applications (3)

#476523 A EXXON CORP.
received 1999-09-10
#476523 X EXXON CORP.
received 1999-08-27
#476523 A EXXON CORP.
received 1998-05-22

Records & Logs

4 completion filings on record.

W-2/G-1 1999-11-09
W-2/G-1 1999-12-09
W-2/G-1 1997-03-21
W-2/G-1 1966-11-21
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 PECOS County.

Well Details

Well Number
2
Max Depth
15,649 ft
Drill Type
Vertical
County
PECOS
District
8
Operator
EXXON CORP.
Completed
1966-11-01

Operator

Location
HOUSTON
P-5 Status
S (filed 1999-03-15)
Cum Oil (all leases)
215,968,885 bbl
Cum Gas (all leases)
2,000,503,710 mcf
Activities
OPRS/O
Total Permits
19,549