42-501-31484

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CORNELL UNIT

YOAKUM County · District 8 · HILCORP ENERGY COMPANY · WASSON

Permits

1

Max Depth

5,250 ft

First Permit

1977-10-24

Latest Activity

1977-10-24

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-09-06

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: CORNELL OIL CO.

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 #000063051 permitted 2008-10-08

Permitted Volume

2,000 bbl/d

Max Pressure

2,150 psi

Injection Interval

4,300–5,500 ft

Injected (12mo)

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 (7) Elevation 3,582 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 2,194 ft+1,388 ft
TANSILL 2,731 ft+851 ft
YATES 2,902 ft+680 ft
SEVEN RIVERS 3,140 ft+442 ft
QUEEN 3,669 ft-87 ft
GRAYBURG 4,054 ft-472 ft
SAN ANDRES 4,328 ft-746 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 (4)

IntervalType
4,844–4,870 ftPerforated
4,844–4,870 ftOpen hole
4,849–5,268 ftPerforated
4,914–5,192 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"375 ft300 sx
8.625"4,526 ft1,700 sx
2.875"5,252 ft

Permit History (1)

Applications (1)

#10868 A CORNELL OIL CO.
received 1977-10-24

Records & Logs

4 completion filings on record.

W-2/G-1 2024-07-22
W-2/G-1 2022-05-31
W-2/G-1 1993-12-17
W-2/G-1 1978-07-21

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
6374
Max Depth
5,250 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
2023-09-06

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
3,435