42-317-34154

Final Completion

DAVIS WALTER R. 44

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

Permits

Max Depth

11,600 ft

First Permit

1998-01-14

Latest Activity

1999-06-29

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1999-08-16

Shut-In

—

Plugged

2026-03-09

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: STEPHENS, AUTRY C.

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

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1998-06

Last Production

2026-07

Operator History

Chain of Custody

STEPHENS, AUTRY C. 1998-2000→ 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.

Formation Tops (9) Elevation 2,828 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)	7,450 ft	-4,622 ft
UPR. SPRBY	7,450 ft	-4,622 ft
LOWER SPRABERRY (Spraberry)	8,069 ft	-5,241 ft
LWR. SPRBY	8,069 ft	-5,241 ft
DEAN	8,776 ft	-5,948 ft
UPPER WOLFCAMP (Wolfcamp)	9,099 ft	-6,271 ft
UPR. WLFCMP	9,099 ft	-6,271 ft
LOWER WOLFCAMP (Wolfcamp)	10,474 ft	-7,646 ft
LWR. WLFCMP	10,474 ft	-7,646 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 (5)

Interval	Type
7,453–7,618 ft	Perforated
8,072–8,358 ft	Perforated
8,779–8,967 ft	Perforated
9,099–9,594 ft	Perforated
10,474–10,618 ft	Perforated

Casing (4)

Size	Set Depth	Cement
12.75"	270 ft	335 sx
8.625"	4,770 ft	225 sx
4.5"	10,800 ft	1,200 sx
4.5"	10,800 ft	1,200 sx

Permit History (2)

#484776 Recompletion Final Completion

DAVIS, WALTER R. "44" · 11,000 ft

1999-06-29

Spud 1999-08-14

#471864 Drill Final Completion

DAVIS, WALTER R. -44- · 11,600 ft

1998-01-14

Spud 1998-01-22

Applications (2)

#484776 A STEPHENS, AUTRY C.

received 1999-05-25

#471864 A STEPHENS, AUTRY C.

received 1998-01-06

Records & Logs

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

W-2/G-1 1999-10-14 log on file

W-2/G-1 2000-02-29

W-2/G-1 1998-06-09 log on file

W-2/G-1 1998-07-02

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: 11,600 ft
Drill Type: Vertical
County: MARTIN
District: 8
Operator: PIONEER NATURAL RES. USA INC.
Completed: 1999-08-16

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: 15,423