STEVENSON "A"

Oil · District 7C · Lease #12377

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

54k BBL

Cum Gas

201k MCF

casinghead

Wells

2

Production

1993-01 — 2020-12

Peak Month

1993-08

Production History

Cum Oil: 54,135 BBL Cum Gas: 201,458 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

302 BBL/mo

Di (annual)

5.4%

b-factor

0.0

EUR

62,739 BBL

R-squared

0.703

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2020-10 — 2021-05 DE3 OPERATING LLC 8 mo
1997-09 — 2020-09 PIONEER NATURAL RES. USA, INC. 277 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.17,9001988-02-10
1PIONEER NATURAL RES. USA INC.17,9001987-10-01