SPECK

Oil · District 7C · Lease #13649

Operator: SULLIVAN, HOLLIS R. INC.

Cum Oil

152k BBL

Cum Gas

708 MCF

casinghead

Wells

6

Production

1994-07 — 2025-08

Peak Month

1994-10

Production History

Cum Oil: 151,712 BBL Cum Gas: 708 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,731 BBL/mo

Di (annual)

27.7%

b-factor

0.3

EUR

165,360 BBL

R-squared

0.765

type

hyperbolic

Operator History (from monthly production reports)

2024-10 — 2026-07 AETERNUM ENERGY, LLC 22 mo
2018-10 — 2024-09 FELDERHOFF PRODUCTION COMPANY 72 mo
2009-01 — 2018-09 CANAN MOWREY OPERATING, LLC 117 mo
1994-07 — 2008-12 SULLIVAN, HOLLIS R. INC. 174 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6AETERNUM ENERGY LLC22,0001996-01-26
5AETERNUM ENERGY LLC12,0001994-09-20
2AETERNUM ENERGY LLC12,0001994-08-01
3AETERNUM ENERGY LLC22,0001994-08-01
4AETERNUM ENERGY LLC22,0001994-08-01
1AETERNUM ENERGY LLC12,0001994-07-07