GRAVES "38"

Oil · District 08 · Lease #38129

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

121k BBL

Cum Gas

158k MCF

casinghead

Wells

2

Production

2007-02 — 2023-01

Peak Month

2011-08

Production History

Cum Oil: 121,491 BBL Cum Gas: 158,105 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,937 BBL/mo

Di (annual)

43.8%

b-factor

0.4

EUR

85,572 BBL

R-squared

0.408

type

hyperbolic

Operator History (from monthly production reports)

2007-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 234 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA INC.110,7502010-12-01
1PIONEER NATURAL RES. USA INC.19,9002006-10-12