42-317-45978

PRODUCING Horizontal

ALLAR-CALLAWAY 27O

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

Permits

2

Max Depth

9,500 ft

First Permit

2024-04-09

Latest Activity

2024-04-09

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-03-29

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-09

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 (10) Elevation 2,785 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,250 ft+1,535 ft
YATES 2,485 ft+300 ft
QUEEN 3,300 ft-515 ft
GRAYBURG 3,757 ft-972 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,952 ft-1,167 ft
SPRABERRY 7,345 ft-4,560 ft
DEAN 8,676 ft-5,891 ft
WOLFCAMP 8,886 ft-6,101 ft
CISCO
PENNSYLVANIAN

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-317-45977 ALLAR-CALLAWAY 27N · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,250'Yates 2,483'Queen 3,314'Grayburg 3,731'San Andres 3,957'Spraberry 7,344'Wolfcamp Cisco Strawn Dean Mississippian PRECAMBRIAN (UNDIFFERENTIATED) +5 more
42-317-45980 ALLAR-CALLAWAY 27Q · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,250'Yates 2,486'Queen 3,335'Grayburg 3,767'San Andres 3,966'Clear Fork 5,987'Spraberry 7,355'Cisco Wolfcamp Pennsylvanian Dean
42-317-45981 ALLAR-CALLAWAY 27R · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,250'Yates 2,476'Queen 3,303'Grayburg 3,759'San Andres 3,962'Spraberry 7,353'Dean 8,692'Wolfcamp 8,896'Cisco Pennsylvanian
42-317-45983 ALLAR-CALLAWAY 27T · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,250'Yates 2,478'Queen 3,312'Grayburg 3,725'San Andres 3,960'Clear Fork 5,985'Spraberry 7,359'Cisco Pennsylvanian Wolfcamp Dean
42-317-46060 MADISON-CALLAWAY 27G · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,261'Yates 2,484'Queen 3,331'Grayburg 3,781'San Andres 3,959'Spraberry 7,385'Dean 8,726'Wolfcamp 8,925'Cisco Pennsylvanian
42-317-46061 MADISON-CALLAWAY 27H · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,261'Yates 2,485'Queen 3,330'Grayburg 3,781'San Andres 3,959'Clear Fork 6,012'Spraberry 7,381'Dean Pennsylvanian Wolfcamp Cisco
42-317-46062 MADISON-CALLAWAY 27I · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,261'Yates 2,480'Queen 3,327'Grayburg 3,775'San Andres 4,763'Spraberry 7,377'Dean 8,719'Wolfcamp 8,931'PRECAMBRIAN (UNDIFFERENTIATED) Fusselman Silurian (undifferentiated) Ellenburger +4 more
42-317-46063 MADISON-CALLAWAY 27J · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,261'Yates 2,486'Queen 3,333'Grayburg 3,780'San Andres 3,959'Spraberry 7,377'Dean Pennsylvanian Wolfcamp Cisco

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
9,366–19,252 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,664 ft1,900 sx
9.625"5,320 ft1,300 sx
5.5"19,275 ft1,175 sx

Permit History (2)

Applications (2)

#897920 A PIONEER NATURAL RES. USA, INC.
received 2024-06-25
#897920 A PIONEER NATURAL RES. USA, INC.
received 2024-03-05

Records & Logs

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

W-2/G-1 2025-06-19
W-2/G-1 2024-10-30 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.

Lat 32.332098
Lon -101.872776

Well Details

Well Number
15H
Max Depth
9,500 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2025-03-29

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
15,399