NUNN "A"

Oil · District 7C · Lease #12930

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

50k BBL

Cum Gas

297k MCF

casinghead

Wells

2

Production

1993-01 — 2025-12

Peak Month

1993-07

Production History

Cum Oil: 50,096 BBL Cum Gas: 297,342 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

541 BBL/mo

Di (annual)

58.2%

b-factor

0.9

EUR

34,261 BBL

R-squared

0.531

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 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
1PIONEER NATURAL RES. USA INC.18,4001990-09-14
2PIONEER NATURAL RES. USA INC.18,4001990-09-12