< leases

DOSS, WANDA C. "21"

Oil · District 7C · Lease #11011

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

32k BBL

Cum Gas

804k MCF

casinghead

Wells

2

Production

1993-01 — 2018-04

Peak Month

1993-04

Production History

Cum Oil: 32,199 BBL Cum Gas: 804,093 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

252 BBL/mo

Di (annual)

8.3%

b-factor

0.0

EUR

35,803 BBL

R-squared

0.884

type

exponential

Operator History (from monthly production reports)

2025-03 — 2026-07 DE CENTRAL OPERATING, LLC 17 mo
2023-01 — 2025-02 DE IV OPERATING, LLC 26 mo
2021-06 — 2022-12 PIONEER NATURAL RES. USA, INC. 19 mo
2019-06 — 2021-05 DE3 OPERATING LLC 24 mo
2019-01 — 2019-05 HIBERNIA RESOURCES III, LLC 5 mo
2017-02 — 2018-12 PARSLEY ENERGY OPERATIONS, LLC 23 mo
1993-01 — 2017-01 3-M ENERGY CORPORATION 289 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-383-33187DE CENTRAL OPERATING LLC17,5001984-09-06
142-383-33164DE CENTRAL OPERATING LLC17,5001984-08-16