ORSON "4B"

Oil · District 08 · Lease #40403

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

239k BBL

Cum Gas

410k MCF

casinghead

Wells

3

Production

2010-05 — 2026-04

Peak Month

2012-08

Production History

Cum Oil: 239,291 BBL Cum Gas: 409,766 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,835 BBL/mo

Di (annual)

155.1%

b-factor

1.3

EUR

286,977 BBL

R-squared

0.810

type

hyperbolic

Operator History (from monthly production reports)

2010-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 195 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA, INC.211,6002011-08-02
2PIONEER NATURAL RES. USA, INC.111,5002011-05-12
1PIONEER NATURAL RES. USA, INC.111,3002010-02-18