UNIVERSITY "15"

Oil · District 7C · Lease #10509

Operator: PURVIS OPERATING CO.

Cum Oil

59k BBL

Cum Gas

414k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-08

Production History

Cum Oil: 59,098 BBL Cum Gas: 413,951 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

465 BBL/mo

Di (annual)

33.1%

b-factor

1.5

EUR

65,919 BBL

R-squared

0.864

type

hyperbolic

Operator History (from monthly production reports)

2019-10 — 2026-07 FOSSIL PETROLEUM LLC 82 mo
1995-01 — 2019-09 PURVIS OPERATING CO. 297 mo
1993-01 — 1994-12 PURVIS, J. H. 24 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2FOSSIL PETROLEUM LLC17,5001985-08-23
1FOSSIL PETROLEUM LLC17,5001983-09-06