DALLAS KEUCHEL '37-36'

Oil · District 7C · Lease #19926

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

621k BBL

Cum Gas

5.3M MCF

casinghead

Wells

2

Production

2017-12 — 2026-04

Peak Month

2018-03

Production History

Cum Oil: 621,199 BBL Cum Gas: 5,321,493 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

41,926 BBL/mo

Di (annual)

172.5%

b-factor

0.5

EUR

570,701 BBL

R-squared

0.918

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2017-12 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 38 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4407HPIONEER NATURAL RES. USA, INC.28,9742017-03-28
4307HPIONEER NATURAL RES. USA, INC.28,5852017-03-22