MCALPINE

Oil · District 08 · Lease #37630

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

160k BBL

Cum Gas

279k MCF

casinghead

Wells

4

Production

2005-07 — 2023-10

Peak Month

2012-04

Production History

Cum Oil: 159,838 BBL Cum Gas: 278,913 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,855 BBL/mo

Di (annual)

21.3%

b-factor

0.3

EUR

144,007 BBL

R-squared

0.830

type

hyperbolic

Operator History (from monthly production reports)

2005-07 — 2026-03 PIONEER NATURAL RES. USA, INC. 249 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5PIONEER NATURAL RES. USA INC.111,0002011-07-14
4PIONEER NATURAL RES. USA INC.111,0002011-06-14
3PIONEER NATURAL RES. USA INC.110,0002006-03-29
2PIONEER NATURAL RES. USA INC.110,0002005-04-22