ATM

Oil · District 7C · Lease #13331

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

126k BBL

Cum Gas

484k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

2007-04

Production History

Cum Oil: 126,270 BBL Cum Gas: 484,249 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,161 BBL/mo

Di (annual)

66.1%

b-factor

0.3

EUR

81,707 BBL

R-squared

0.812

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2018-08 — 2021-05 DE3 OPERATING LLC 34 mo
2003-10 — 2018-07 JM COX RESOURCES, L.P. 178 mo
1993-01 — 2003-09 COX, JOHN L. 129 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.110,4002007-02-05
1PIONEER NATURAL RES. USA, INC.210,4001992-07-23