42-125-31002

Final Completion

TRIFECTA (TANNEHILL-B-) UNIT

DICKENS County · District 8 · CHISHOLM OPERATING, INC.

Permits

Max Depth

5,999 ft

First Permit

2005-08-23

Latest Activity

2011-09-02

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2005-09

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 (6) Elevation 2,363 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
STOCKWETHER	4,946 ft	-2,583 ft
STOCKWETHER LM	4,946 ft	-2,583 ft
CROTON LIME	5,046 ft	-2,683 ft
CROTON LM	5,046 ft	-2,683 ft
TANNEHILL	5,134 ft	-2,771 ft
TANNEHILL	5,200 ft	-2,837 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)

Interval	Type
5,054–5,070 ft	Perforated
5,134–5,137 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	251 ft	220 sx
8.625"	1,534 ft	150 sx
5.5"	5,319 ft	220 sx

Permit History (2)

#723107 Recompletion Final Completion

TRIFECTA (TANNEHILL-B-) UNIT · 5,320 ft

2011-09-02

Spud 2011-06-13

#605348 Drill Final Completion

WILLIAMS-MABEN · 5,999 ft

2005-08-23

Spud 2005-09-06

Applications (2)

#723107 A CHISHOLM OPERATING, INC.

received 2011-08-25

#605348 A CHISHOLM OPERATING, INC.

received 2005-08-23

Records & Logs

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

W-2/G-1 2011-09-06

W-2/G-1 2005-09-29 log on file

W-2/G-1 2005-11-29

Completion packets + logs ↗ Wellbore filings ↗

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 DICKENS County.

Well Details

Well Number: 301
Max Depth: 5,999 ft
Drill Type: Vertical
County: DICKENS
District: 8
Operator: CHISHOLM OPERATING, INC.

Operator

Name: CHISHOLM OPER, INC
Location: ABILENE
P-5 Status: Active (filed 2025-10-15)
Cum Oil (all leases): 3,125,011 bbl
Cum Gas (all leases): 346,719 mcf
Activities: OPRS/O
Total Permits: 194