< leases

WHITE, E. C.

Oil · District 8A · Lease #66487

Operator: WHITE, E. C. OIL CO.

Fields: LEVELLAND

Cum Oil

149k BBL

Cum Gas

22k MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

1994-08

Production History

Cum Oil: 149,373 BBL Cum Gas: 22,496 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,500 BBL/mo

Di (annual)

45.9%

b-factor

1.0

EUR

124,668 BBL

R-squared

0.938

type

hyperbolic

Operator History (from monthly production reports)

2023-11 — 2026-07 FORMENTERA OPERATIONS LLC 33 mo
2021-01 — 2023-10 SLANT OPERATING, LLC 34 mo
2017-08 — 2020-12 STANOLIND PRODUCTION LLC 41 mo
2015-03 — 2017-07 SOGO III LLC 29 mo
2013-10 — 2015-02 STANOLIND OPERATING LLC 17 mo
2012-12 — 2013-09 TRINITY BAY OIL & GAS, INC. 10 mo
1993-01 — 2012-11 WHITE, E. C. OIL CO. 239 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
642-219-35998FORMENTERA OPERATIONS LLC14,9501993-07-22
542-219-35910FORMENTERA OPERATIONS LLC14,9501992-10-13
442-219-35854FORMENTERA OPERATIONS LLC14,9501992-03-02
342-219-35780FORMENTERA OPERATIONS LLC14,9501991-07-08
242-219-35606FORMENTERA OPERATIONS LLC14,9501990-08-28
142-219-35505FORMENTERA OPERATIONS LLC14,9501989-12-19