YATER -B-

Oil · District 08 · Lease #31643

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

61k BBL

Cum Gas

219k MCF

casinghead

Wells

2

Production

1993-01 — 2015-09

Peak Month

1995-05

Production History

Cum Oil: 60,805 BBL Cum Gas: 218,680 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

744 BBL/mo

Di (annual)

32.0%

b-factor

0.8

EUR

67,180 BBL

R-squared

0.900

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2017-01 PIONEER NATURAL RES. USA, INC. 233 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA INC.19,5251987-11-06
1PIONEER NATURAL RES. USA INC.19,5251987-10-23