42-501-33465

INJECTION

CORNELL UNIT

YOAKUM County · District 8 · HILCORP ENERGY COMPANY · WASSON

Permits

1

Max Depth

5,500 ft

First Permit

1988-07-19

Latest Activity

1988-07-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2015-01-27

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: EXXON CORP.

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 #000068989 permitted 2009-01-07

Permitted Volume

2,000 bbl/d

Max Pressure

2,150 psi

Injection Interval

4,300–5,500 ft

Injected (12mo)

133,345 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 3,593 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEENS3,620 ft-27 ft
SAN ANDRES 4,265 ft-672 ft
GRAYBURG 4,287 ft-694 ft
SAN ANDRES 4,517 ft-924 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 (1)

IntervalType
4,910–5,140 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,155 ft1,350 sx
5.5"5,429 ft1,250 sx

Permit History (1)

Applications (1)

#348908 A EXXON CORP.
received 1988-07-14

Records & Logs

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

W-2/G-1 2025-02-27
W-2/G-1 1991-10-02
W-2/G-1 1988-11-10 log on file
W-2/G-1 1988-12-09

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
6309A
Max Depth
5,500 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2015-01-27

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-03-27)
Cum Oil (all leases)
75,699,281 bbl
Cum Gas (all leases)
1,779,939,645 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,428