ROBERTSON, LEO

Oil · District 08 · Lease #30626

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

35k BBL

Cum Gas

149k MCF

casinghead

Wells

1

Production

1993-01 — 2018-06

Peak Month

2000-10

Production History

Cum Oil: 34,966 BBL Cum Gas: 149,097 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

180 BBL/mo

Di (annual)

4.6%

b-factor

0.0

EUR

42,455 BBL

R-squared

0.684

type

exponential

Operator History (from monthly production reports)

1997-09 — 2021-03 PIONEER NATURAL RES. USA, INC. 283 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.19,6251985-01-21