42-227-34360

Final Completion

CLAY H. R.

HOWARD County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · HOWARD GLASSCOCK

Permits

1

Max Depth

3,600 ft

First Permit

1988-08-11

Latest Activity

1988-08-11

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-11-07

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Production: GRAYROCK ENERGY II, LLC (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: EXXON CORP.

Resolved via: productionGRAYROCK ENERGY II, LLC

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 2,716 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,392 ft+1,324 ft
SEVEN RIVERS 1,518 ft+1,198 ft
QUEEN 1,730 ft+986 ft
GRAYBURG 2,005 ft+711 ft
SAN ANDRES 2,298 ft+418 ft
GLORIETA 2,799 ft-83 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 (2)

IntervalType
2,294–2,700 ftPerforated
2,897–3,228 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"353 ft350 sx
5.5"3,374 ft1,050 sx

Permit History (1)

Applications (1)

#349003 A EXXON CORP.
received 1988-07-18

Records & Logs

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

W-2/G-1 1988-11-23 log on file
W-2/G-1 1988-11-23 log on file
W-2/G-1 1988-12-16

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 HOWARD County.

Well Details

Well Number
49
Max Depth
3,600 ft
Drill Type
Vertical
County
HOWARD
District
8
Completed
1988-11-07

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-06-12)
Cum Oil (all leases)
507,205,629 bbl
Cum Gas (all leases)
70,424,421 mcf
Total Permits
6,190