WILLIAMS -D-

Oil · District 08 · Lease #22049

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

95k BBL

Cum Gas

162k MCF

casinghead

Wells

4

Production

1993-01 — 2024-10

Peak Month

2014-03

Production History

Cum Oil: 94,525 BBL Cum Gas: 161,909 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,299 BBL/mo

Di (annual)

35.5%

b-factor

0.4

EUR

69,958 BBL

R-squared

0.684

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA INC.211,7472012-09-04
142-317-30386PIONEER NATURAL RES. USA INC.------
242-317-30571PIONEER NATURAL RES. USA INC.------
342-317-30659PIONEER NATURAL RES. USA INC.------