SARAH 27

Oil · District 7C · Lease #18759

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

207k BBL

Cum Gas

1.1M MCF

casinghead

Wells

4

Production

2014-05 — 2025-10

Peak Month

2014-07

Production History

Cum Oil: 207,423 BBL Cum Gas: 1,117,320 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,207 BBL/mo

Di (annual)

26.4%

b-factor

0.0

EUR

190,986 BBL

R-squared

0.716

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2014-05 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 81 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA INC.211,8002014-06-27
3PIONEER NATURAL RES. USA INC.111,8002014-06-17
2PIONEER NATURAL RES. USA INC.111,8002014-05-02
1PIONEER NATURAL RES. USA INC.211,8002014-01-02