42-383-33969

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GREENLEE HEIRS

REAGAN County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

7,900 ft

First Permit

1989-09-18

Latest Activity

1989-09-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-02-11

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: COX, JOHN L.

Resolved via: productionPIONEER NATURAL RES. USA, INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 (4) Elevation 2,646 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CRETACEOUS475 ft+2,171 ft
UPPER SPRABERRY (Spraberry)6,244 ft-3,598 ft
LOWER SPRABERRY (Spraberry)6,860 ft-4,214 ft
DEAN 7,624 ft-4,978 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 (3)

IntervalType
6,261–6,286 ftPerforated
6,868–7,222 ftPerforated
7,643–7,804 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"616 ft450 sx
4.5"7,860 ft1,600 sx

Permit History (1)

Applications (1)

#363927 A COX, JOHN L.
received 1989-09-14

Records & Logs

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

W-2/G-1 2026-03-03
W-2/G-1 1989-12-08 log on file
W-2/G-1 1989-12-14
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 REAGAN County.

Well Details

Well Number
3
Max Depth
7,900 ft
Drill Type
Vertical
County
REAGAN
District
7
Completed
2026-02-11

Operator

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
15,403