42-317-45688

PRODUCING Horizontal

KATHLEEN-FLANAGAN 10I

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

Permits

2

Max Depth

10,350 ft

First Permit

2023-11-13

Latest Activity

2023-11-13

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-08-11

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-03

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 (19) Elevation 2,727 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,109 ft+1,618 ft
YATES 2,495 ft+232 ft
QUEEN 3,415 ft-688 ft
GRAYBURG 3,899 ft-1,172 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,084 ft-1,357 ft
CLEARFORK (Clear Fork)6,439 ft-3,712 ft
SPRABERRY 7,359 ft-4,632 ft
CISCO
DEAN
DEVONIAN
ELLENBURGER
FUSSELMAN
MISSISSIPPIAN
PENNSYLVANIAN
PRECAMBRIAN (UNDIFFERENTIATED)
SANTA ROSA
SILURIAN (Silurian (undifferentiated))
STRAWN
WOLFCAMP

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
42-317-45687 KATHLEEN-FLANAGAN 10H · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,109'Yates 2,492'Queen 3,400'Grayburg 3,912'San Andres 4,098'Clear Fork 6,432'Spraberry 7,352'Spraberry 8,288'Wolfcamp Dean
42-317-45689 KATHLEEN-FLANAGAN 10K · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,109'Yates 2,497'Queen 3,409'Grayburg 3,914'San Andres 4,125'Clear Fork 6,435'Spraberry 7,349'Cisco Wolfcamp Dean
42-317-45693 KATHLEEN-FLANAGAN 10J · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,109'Yates 2,498'Queen 3,410'Grayburg 3,908'San Andres 4,125'Spraberry 7,366'Dean 8,657'Wolfcamp 8,871'Pennsylvanian Cisco
42-317-45692 KATHLEEN-FLANAGAN 10F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,109'Yates 2,489'Queen 3,396'Grayburg 3,920'San Andres 4,076'Clear Fork 6,458'Spraberry 7,377'Cisco Wolfcamp Pennsylvanian Dean
42-317-44846 PINKERTON-LOUDER 10F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,108'Yates 2,497'Queen 3,404'Grayburg 3,923'San Andres 4,107'Spraberry 7,370'Silurian (undifferentiated) Ellenburger Strawn Dean Devonian Mississippian +5 more
42-317-44847 PINKERTON-LOUDER 10G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,108'Yates 2,497'Queen 3,401'Grayburg 3,923'San Andres 4,112'Spraberry 7,374'Dean 8,662'Wolfcamp 8,877'Cisco Pennsylvanian
42-317-44844 PINKERTON-LOUDER 10I · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,108'Yates 2,513'Queen 3,440'Grayburg 3,901'San Andres 4,107'Spraberry 7,368'Dean 8,663'Wolfcamp 8,887'Pennsylvanian Cisco
42-317-44843 PINKERTON-LOUDER 10J · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,108'Yates 2,414'Queen 2,736'Grayburg 3,914'San Andres 3,915'Spraberry 7,359'Dean 8,650'Wolfcamp 8,868'Cisco Pennsylvanian

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
7,871–25,476 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,554 ft1,800 sx
9.625"5,760 ft1,018 sx
5.5"25,495 ft1,502 sx

Permit History (2)

Applications (2)

#894397 A PIONEER NATURAL RES. USA, INC.
received 2024-08-19
#894397 A PIONEER NATURAL RES. USA, INC.
received 2023-10-10

Records & Logs

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

W-2/G-1 2025-10-06
W-2/G-1 2025-08-20 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 32.113993
Lon -101.917598

Well Details

Well Number
109H
Max Depth
10,350 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2025-08-11

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
15,399