RICHEY "43A"

Oil · District 7C · Lease #16055

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

1k BBL

Cum Gas

29k MCF

casinghead

Wells

1

Production

2006-08 — 2014-08

Peak Month

2006-10

Production History

Cum Oil: 1,269 BBL Cum Gas: 29,078 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

79 BBL/mo

Di (annual)

269.6%

b-factor

0.9

EUR

1,245 BBL

R-squared

0.410

type

hyperbolic

Operator History (from monthly production reports)

2006-08 — 2015-03 PIONEER NATURAL RES. USA, INC. 104 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10PIONEER NATURAL RES. USA INC.17,2002006-04-20