MARTIN

Oil · District 08 · Lease #21980

Operator: STEPHENS, AUTRY C.

Cum Oil

38k BBL

Cum Gas

43k MCF

casinghead

Wells

3

Production

1993-01 — 2025-04

Peak Month

2005-10

Production History

Cum Oil: 38,267 BBL Cum Gas: 43,014 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

775 BBL/mo

Di (annual)

412.9%

b-factor

0.5

EUR

4,367 BBL

R-squared

0.740

type

hyperbolic

Operator History (from monthly production reports)

2020-10 — 2025-08 PIONEER NATURAL RES. USA, INC. 59 mo
2000-09 — 2020-09 ENDEAVOR ENERGY RESOURCES L.P. 241 mo
1993-01 — 2000-08 STEPHENS, AUTRY C. 92 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA INC.110,6612021-06-08
142-317-30344PIONEER NATURAL RES. USA INC.------
242-317-30345PIONEER NATURAL RES. USA INC.------