42-431-32897

CALDWELL -23-

STERLING County · District 8 · HAMMAN OIL & REFG. CO.

Permits

2

Max Depth

8,000 ft

First Permit

1997-10-21

Latest Activity

1998-03-20

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1997-11

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 (4) Elevation 2,418 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,175 ft+1,243 ft
S.A.1,860 ft+558 ft
GLOR.2,515 ft-97 ft
WC MKR5,050 ft-2,632 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
6,985–7,222 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,812 ft550 sx
4.5"7,750 ft950 sx

Permit History (2)

Applications (2)

#474385 A HAMMAN OIL & REFG. CO.
received 1998-03-16
#469051 A HAMMAN OIL & REFG. CO.
received 1997-10-21

Records & Logs

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

W-2/G-1 1998-01-07 log on file
W-2/G-1 1998-03-03

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 STERLING County.

Well Details

Well Number
1
Max Depth
8,000 ft
Drill Type
Vertical
County
STERLING
District
8

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-06-01)
Cum Oil (all leases)
3,478,638 bbl
Cum Gas (all leases)
26,126,778 mcf
Activities
OPRS/G, OPRS/O
Total Permits
359