RINGO #8-9

Oil · District 7C · Lease #19486

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

345k BBL

Cum Gas

1.7M MCF

casinghead

Wells

1

Production

2017-01 — 2026-04

Peak Month

2017-02

Production History

Cum Oil: 345,449 BBL Cum Gas: 1,705,344 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,574 BBL/mo

Di (annual)

81.8%

b-factor

0.1

EUR

302,873 BBL

R-squared

0.857

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2017-01 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 49 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4415HPIONEER NATURAL RES. USA, INC.19,1502016-05-13