42-501-35110

Final Completion

CORNELL UNIT

YOAKUM County · District 8 · XTO ENERGY INC. · WASSON

Permits

2

Max Depth

5,400 ft

First Permit

2005-02-14

Latest Activity

2005-02-14

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2006-01-03

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: XTO ENERGY INC. ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)

Resolved via: productionHILCORP ENERGY COMPANY

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000112150 permitted 2015-02-26

Permitted Volume

2,000 bbl/d

Max Pressure

2,150 psi

Injection Interval

4,300–5,400 ft

Injected (12mo)

27,344 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-09-01)

Lease Production

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

Formation Tops (4) Elevation 3,596 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,920 ft+676 ft
QUEEN 3,686 ft-90 ft
GRAYBURG 4,346 ft-750 ft
SAN ANDRES 4,613 ft-1,017 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
4,708–4,824 ftPerforated
4,933–5,188 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,200 ft700 sx
5.5"5,392 ft1,000 sx

Permit History (2)

Applications (2)

#556428 A XTO ENERGY INC.
received 2007-05-02
#556428 A XTO ENERGY INC.
received 2005-01-19

Records & Logs

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

W-2/G-1 2015-07-08
W-2/G-1 2010-10-14
W-2/G-1 2010-01-27 log on file
W-2/G-1 2010-05-24

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
310GC
Max Depth
5,400 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2006-01-03

Operator

Location
SPRING
P-5 Status
X (filed 2026-04-08)
Cum Oil (all leases)
772,419,164 bbl
Cum Gas (all leases)
11,039,899,986 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
16,138