42-329-41828

Final Completion Horizontal

MIDKIFF E1I

MIDLAND County · District 8 · PIONEER NATURAL RES. USA, INC.

Permits

2

Max Depth

11,100 ft

First Permit

2017-07-17

Latest Activity

2025-02-12

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-05

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 2,732 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 751 ft+1,981 ft
RUSTLER 1,551 ft+1,181 ft
YATES 2,462 ft+270 ft
SEVEN RIVERS 2,782 ft-50 ft
QUEEN 3,464 ft-732 ft
GRAYBURG 3,872 ft-1,140 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,981 ft-1,249 ft
CLEARFORK (Clear Fork)6,220 ft-3,488 ft
SPRABERRY 7,112 ft-4,380 ft
GLORIETA

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
42-329-47631 MIDKIFF UNIT · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,180'Rustler 1,576'Yates 2,466'Seven Rivers 2,809'Queen 3,501'Grayburg 3,881'San Andres 4,002'Clear Fork 6,268'Spraberry 7,152'Glorieta
42-329-41830 MIDKIFF E1S · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,180'Rustler 1,576'Yates 2,471'Seven Rivers 2,802'Queen 3,509'Grayburg 3,892'San Andres 5,414'Clear Fork 6,254'Spraberry 7,163'Glorieta
42-329-47628 MIDKIFF E1G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 788'Rustler 1,579'Yates 2,492'Seven Rivers 2,802'Queen 3,466'Grayburg 3,904'San Andres 4,024'Clear Fork 6,246'Spraberry 7,152'Glorieta
42-329-47630 MIDKIFF UNIT · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,468'Seven Rivers 2,790'Queen 3,474'Grayburg 3,890'San Andres 4,023'Clear Fork 6,261'Spraberry 7,156'Mississippian Glorieta Spraberry Santa Rosa Pennsylvanian +5 more
42-329-41831 MIDKIFF E1T · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 752'Rustler 1,563'Yates 2,480'Seven Rivers 2,801'Queen 3,497'Grayburg 3,881'San Andres 3,992'Clear Fork 6,266'Spraberry 7,142'Glorieta
42-329-47627 MIDKIFF E1B · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 788'Rustler 1,551'Yates 2,476'Seven Rivers 2,803'Queen 3,503'Grayburg 3,902'San Andres 4,025'Clear Fork 6,257'Spraberry 7,432'Glorieta
42-329-41829 MIDKIFF E1O · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 752'Rustler 1,566'Yates 2,459'Seven Rivers 2,810'Queen 3,508'Grayburg 3,881'San Andres 4,023'Clear Fork 6,247'Spraberry 7,150'Glorieta
42-329-47629 MIDKIFF UNIT · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 1,180'Rustler 1,581'Yates 2,465'Seven Rivers 2,814'Queen 3,512'Grayburg 3,903'San Andres 4,037'Clear Fork 6,250'Spraberry 7,148'Glorieta

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
9,083–22,264 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,401 ft1,700 sx
9.625"5,603 ft1,165 sx
5.5"22,283 ft1,250 sx

Permit History (2)

Applications (2)

#905756 A PIONEER NATURAL RES. USA, INC.
received 2025-02-05
#828697 A PIONEER NATURAL RES. USA, INC.
received 2017-07-11

Records & Logs

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

W-2/G-1 2026-01-09
W-2/G-1 2025-08-07 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 31.667704
Lon -101.838314

Well Details

Well Number
209H
Max Depth
11,100 ft
Drill Type
Horizontal
County
MIDLAND
District
8

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