42-317-41128

INJECTION

EPLEY 2

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

Permits

1

Max Depth

6,560 ft

First Permit

2017-11-15

Latest Activity

2017-11-15

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-08-22

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-05

Last Production

2026-07

W-14 Disposal Active UIC #000115959 permitted 2018-01-24

Permitted Volume

25,000 bbl/d

Max Pressure

2,050 psi

Injection Interval

4,100–6,100 ft

Injected (12mo)

266,210 bbl

Monthly injected volume (bbl, from H-10 filings through 2026-01-01)

Seismicity: 17 earthquakes M2+ within 10 km in the last 24 months (max M3.1) · TexNet catalog

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,821 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,464 ft+1,357 ft
YATES 2,592 ft+229 ft
QUEEN 3,469 ft-648 ft
GRAYBURG 3,934 ft-1,113 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)4,155 ft-1,334 ft
SPRABERRY 6,280 ft-3,459 ft
CISCO
DEAN
PENNSYLVANIAN
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
42-317-43546 WELCH-COX E39W · PIONEER NATURAL RES. USA, INC.
1.0 mi
Santa Rosa 1,270'Yates 2,606'Queen 3,462'Grayburg 3,906'San Andres 4,092'Spraberry 7,551'Dean 8,862'Wolfcamp 9,067'Cisco Pennsylvanian
42-317-43549 WELCH-COX E39V · PIONEER NATURAL RES. USA, INC.
1.0 mi
Santa Rosa 1,270'Yates 2,612'Queen 3,476'Grayburg 3,921'San Andres 4,099'Spraberry 7,550'Dean 8,858'Wolfcamp 9,064'Cisco Pennsylvanian
42-317-43553 WELCH-COX E39U · PIONEER NATURAL RES. USA, INC.
1.1 mi
Santa Rosa 1,270'Yates 2,608'Queen 3,468'Grayburg 3,923'San Andres 4,106'Spraberry 7,554'Dean 8,856'Wolfcamp 9,068'Pennsylvanian Cisco
42-317-43568 WELCH-COX E39T · PIONEER NATURAL RES. USA, INC.
1.1 mi
Santa Rosa 1,270'Yates 2,609'Queen 3,475'Grayburg 3,931'San Andres 4,115'Spraberry 7,552'Dean 8,859'Wolfcamp 9,068'Cisco Pennsylvanian
42-317-43567 WELCH-COX E39S · PIONEER NATURAL RES. USA, INC.
1.1 mi
Santa Rosa 1,270'Yates 2,615'Queen 3,476'Grayburg 3,939'San Andres 4,121'Spraberry 7,558'Dean 8,862'Wolfcamp 9,067'Strawn Cisco Pennsylvanian
42-317-40976 EPLEY-SALE 39R · PIONEER NATURAL RES. USA, INC.
1.1 mi
Yates 2,613'Queen 3,461'Grayburg 3,929'San Andres 4,139'Spraberry 7,537'Dean 8,865'Wolfcamp 9,068'Cisco Pennsylvanian Strawn
42-317-40975 EPLEY-SALE 39Q · PIONEER NATURAL RES. USA, INC.
1.1 mi
Santa Rosa 1,159'Yates 2,613'Queen 3,471'Grayburg 3,939'San Andres 4,151'Spraberry 7,547'Dean 8,868'Wolfcamp 9,071'Cisco Pennsylvanian
42-317-40974 EPLEY-SALE 39P · PIONEER NATURAL RES. USA, INC.
1.1 mi
Santa Rosa 1,159'Yates 2,607'Queen 3,472'Grayburg 3,948'San Andres 4,159'Spraberry 7,547'Dean 8,870'Wolfcamp 9,068'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 (3)

IntervalType
4,345–5,405 ftPerforated
5,282–5,422 ftPerforated
5,283–5,423 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"1,687 ft836 sx
7"6,516 ft141 sx

Permit History (1)

Applications (1)

#833124 A PIONEER NATURAL RES. USA, INC.
received 2017-11-13

Records & Logs

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

W-2/G-1 2022-08-25
W-2/G-1 2019-03-12
W-2/G-1 2019-03-11 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 32.247680
Lon -101.930066

Well Details

Well Number
1D
Max Depth
6,560 ft
Drill Type
Vertical
County
MARTIN
District
8
Completed
2022-08-22

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