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WALTER KELLY 19

MARTIN County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

Max Depth

12,000 ft

First Permit

2011-07-06

Latest Activity

2016-10-13

Lifespan

5 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2012-01-04

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: scheduling → PIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2012-01

Last Production

2026-07

Operator History

Chain of Custody

ENDEAVOR ENERGY RESOURCES L.P. 2012-2018→ DE3 OPERATING LLC 2018-2021→ PIONEER NATURAL RES. USA, INC. 2021-2024

Lease Production

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

Oil

production & DCA →

Formation Tops (6) Elevation 2,691 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	7,225 ft	-4,534 ft
SPRABERRY (TREND AREA) (Spraberry)	7,225 ft	-4,534 ft
STRAWN	10,225 ft	-7,534 ft
ATOKA	10,600 ft	-7,909 ft
MISS (Mississippian)	10,975 ft	-8,284 ft
MISSISSIPPIAN	10,975 ft	-8,284 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
8,892–10,190 ft	Perforated
8,892–11,050 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	396 ft	470 sx
8.625"	4,853 ft	520 sx
5.5"	11,206 ft	1,155 sx

Permit History (2)

#818940 Recompletion Final Completion

WALTER KELLY '19' · 11,207 ft

2016-10-13

Spud 2011-11-30

#719611 Drill Y

WALTER KELLY '19' · 12,000 ft

2011-07-06

Spud 2011-09-04

Applications (2)

#818940 A ENDEAVOR ENERGY RESOURCES L.P.

received 2016-09-29

#719611 A ENDEAVOR ENERGY RESOURCES L.P.

received 2011-07-05

Records & Logs

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

W-2/G-1 2016-11-07

W-2/G-1 2012-01-10 log on file

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 MARTIN County.

Well Details

Well Number: 1
Max Depth: 12,000 ft
Drill Type: Vertical
County: MARTIN
District: 8
Operator: PIONEER NATURAL RES. USA INC.
Completed: 2012-01-04

Operator

Name: PIONEER NATURAL RES. USA, INC
Location: Y SPRING
P-5 Status: Active (filed 2025-08-01)
Cum Oil (all leases): 1,771,882,421 bbl
Cum Gas (all leases): 1,763,727,021 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 15,401