KATHRYN 43 AND 42

Oil · District 7C · Lease #20073

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

522k BBL

Cum Gas

3.2M MCF

casinghead

Wells

3

Production

2018-03 — 2026-04

Peak Month

2018-10

Production History

Cum Oil: 521,654 BBL Cum Gas: 3,200,877 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

38,936 BBL/mo

Di (annual)

219.9%

b-factor

0.8

EUR

717,028 BBL

R-squared

0.972

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2018-03 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 35 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4303HPIONEER NATURAL RES. USA, INC.19,2812017-10-26
4203HPIONEER NATURAL RES. USA, INC.19,0002017-10-20
4803HPIONEER NATURAL RES. USA, INC.110,0992017-10-20