42-417-33529

INJECTION

NAIL J. H. -A-

SHACKELFORD County · District 7 · CLAVO OIL LLC · NAIL

Permits

1

Max Depth

1,800 ft

First Permit

1980-10-02

Latest Activity

1980-10-02

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-08-02

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: CLAVO OIL LLC ≠ Permit: NEFF, C. L.

Resolved via: productionCLAVO OIL, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000076759 permitted 1992-05-12

Permitted Volume

25 bbl/d

Max Pressure

650 psi

Injection Interval

1,413–1,414 ft

Injected (12mo)

1,220 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-06-01)

Lease Production

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

Formation Tops (1) Elevation 1,651 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BLUFF CREEK1,504 ft+147 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
1,413–1,414 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"106 ft80 sx
2.375"1,390 ft
4.5"1,459 ft100 sx

Permit History (1)

Applications (1)

#94459 A NEFF, C. L.
received 1980-10-02

Records & Logs

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

W-2/G-1 2025-04-24
W-2/G-1 1992-10-16
W-2/G-1 1981-01-26 log on file

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 SHACKELFORD County.

Well Details

Well Number
36
Max Depth
1,800 ft
Drill Type
Vertical
District
7
Operator
CLAVO OIL LLC
Completed
2024-08-02

Operator

Location
GRAHAM
P-5 Status
X (filed 2026-03-25)
Cum Oil (all leases)
262,197 bbl
Cum Gas (all leases)
92,225 mcf
Activities
OPRS/G, OPRS/O
Total Permits
59