42-105-41425

Final Completion

SHANNON ESTATE NE

CROCKETT County · District 7 · AMISTAD ENERGY SERVICES LLC · LIN (WOLFCAMP)

Permits

Max Depth

11,000 ft

First Permit

2012-02-23

Latest Activity

2015-11-12

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2012-06-11

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: AMISTAD ENERGY SERVICES LLC ≠ Production: ZARVONA ENERGY LLC (reported 2026-03)

EWA / Permit operator mismatch

Scheduling: AMISTAD ENERGY SERVICES LLC ≠ Permit: EOG RESOURCES, INC.

Resolved via: production → ZARVONA ENERGY LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2012-06

Last Production

2026-07

Injection / Disposal

W-14 Disposal Active UIC #000105828 permitted 2012-10-12

Permitted Volume

10,000 bbl/d

Max Pressure

3,000 psi

Injection Interval

9,700–10,576 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Operator History

Chain of Custody

EOG RESOURCES, INC. 2012-2015→ AMISTAD ENERGY SERVICES, LLC 2015-2017→ APPROACH OPERATING LLC 2017-2020→ ZARVONA ENERGY LLC 2020-2026

Lease Production

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

Formation Tops (6) Elevation 2,475 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LOWER SPRABERRY (Spraberry)	5,355 ft	-2,880 ft
LOWER SPRABERRY (Spraberry)	5,356 ft	-2,881 ft
WOLFCAMP	6,169 ft	-3,694 ft
WOLFCAMP	6,170 ft	-3,695 ft
ELLENBURGER	9,547 ft	-7,072 ft
ELLENBURGER	9,550 ft	-7,075 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)

Interval	Type
9,702–10,478 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	840 ft	700 sx
7"	10,576 ft	2,050 sx

Permit History (2)

#811743 Recompletion Final Completion

SHANNON ESTATE NE · 11,000 ft

2015-11-12

Spud 2012-03-27

#733764 Drill Unperfed Completion

SHANNON ESTATE NE · 10,500 ft

2012-02-23

Spud 2012-03-27

Applications (2)

#811743 A EOG RESOURCES, INC.

received 2015-11-05

#733764 A EOG RESOURCES, INC.

received 2012-02-13

Records & Logs

3 completion filings on record.

W-2/G-1 2016-04-12

W-2/G-1 2015-11-17

W-2/G-1 2012-09-20

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 CROCKETT County.

Well Details

Well Number: 1
Max Depth: 11,000 ft
Drill Type: Vertical
County: CROCKETT
District: 7
Operator: AMISTAD ENERGY SERVICES LLC
Completed: 2012-06-11

Operator

Name: AMISTAD ENGY SERVICES, LLC
Location: KATY
P-5 Status: Inactive (filed 2017-09-11)
Cum Oil (all leases): 223,009 bbl
Cum Gas (all leases): — mcf
Total Permits: 12