42-317-34436

SHUT IN

DAVIS WALTER R. 44

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

Permits

Max Depth

12,000 ft

First Permit

2004-01-08

Latest Activity

2016-10-05

Lifespan

13 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-01-11

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

1999-09

Last Production

2026-07

Operator History

Chain of Custody

STEPHENS, AUTRY C. 1999-2000→ ENDEAVOR ENERGY RESOURCES L.P. 2000-2021→ 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 2,814 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LOWER SPRABERRY (Spraberry)	8,075 ft	-5,261 ft
DEAN	8,750 ft	-5,936 ft
WOLFCAMP	9,100 ft	-6,286 ft
UPPER WOLFCAMP (Wolfcamp)	9,500 ft	-6,686 ft
STRAWN	10,415 ft	-7,601 ft
STRAWN	10,515 ft	-7,701 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
8,017–9,739 ft	Perforated
8,017–10,684 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	285 ft	295 sx
8.625"	4,972 ft	400 sx
4.5"	10,800 ft	1,270 sx

Permit History (2)

#818809 Recompletion Final Completion

DAVIS, WALTER R '44' · 10,800 ft

2016-10-05

Spud 2004-08-11

#540364 Drill Final Completion

DAVIS, WALTER R. "44" · 12,000 ft

2004-01-08

Spud 2004-05-24

Applications (2)

#818809 A ENDEAVOR ENERGY RESOURCES L.P.

received 2016-09-26

#540364 A ENDEAVOR ENERGY RESOURCES L.P.

received 2004-01-05

Records & Logs

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

W-2/G-1 2026-01-29

W-2/G-1 2016-10-31

W-2/G-1 2004-10-06 log on file

W-2/G-1 2004-12-10

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: 4
Max Depth: 12,000 ft
Drill Type: Vertical
County: MARTIN
District: 8
Operator: PIONEER NATURAL RES. USA INC.
Completed: 2026-01-11

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