← Wells

42-317-35865

PRODUCING

ORSON 4B

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

Permits

1

Max Depth

11,300 ft

First Permit

2010-02-18

Latest Activity

2010-02-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2010-05-25

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2010-05

Last Production

2026-07

Lease Production

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

Oil
production & DCA →

Formation Tops (4) Elevation 2,789 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)7,760 ft-4,971 ft
TOP LOWER SPRABERRY (Spraberry)8,288 ft-5,499 ft
TOP DEAN (Dean)9,100 ft-6,311 ft
TOP WOLFCAMP (Wolfcamp)9,356 ft-6,567 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 (4)

IntervalType
7,832–8,007 ftPerforated
8,521–8,646 ftPerforated
9,276–9,376 ftPerforated
9,465–10,781 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"361 ft200 sx
4.5"10,885 ft1,210 sx

Permit History (1)

#690880 Drill Final Completion

ORSON "4B" · 11,300 ft

2010-02-18

Spud 2010-04-03

Applications (1)

#690880 A PIONEER NATURAL RES. USA, INC.
received 2010-02-05

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2010-07-30 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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MARTIN County.

Well Details

Well Number
1
Max Depth
11,300 ft
Drill Type
Vertical
County
MARTIN
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2010-05-25

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
15,423