LA GRANGE, ETHEL, EST. OF

Oil · District 01 · Lease #3191

Operator: PETROSAURUS, INC.

Fields: SOMERSET

Cum Oil

37k BBL

Cum Gas

21 MCF

casinghead

Wells

15

Production

1993-01 — 2026-04

Peak Month

1993-04

Production History

Cum Oil: 36,898 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

180 BBL/mo

Di (annual)

6.0%

b-factor

0.0

EUR

34,314 BBL

R-squared

0.468

type

exponential

Operator History (from monthly production reports)

2023-02 — 2026-07 DRACHEN OIL COMPANY 42 mo
2011-10 — 2023-01 PETROSAURUS, INC. 136 mo
1995-02 — 2011-09 AMINEX USA, INC. 200 mo
1993-10 — 1995-01 CASPEN OPERATING COMPANY 16 mo
1993-01 — 1993-09 DEVON ENERGY CORPORATION(NEVADA) 9 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8DRACHEN OIL COMPANY21,3702010-12-15
14DRACHEN OIL COMPANY21,2802003-10-13
14WDRACHEN OIL COMPANY21,2802003-10-13
15DRACHEN OIL COMPANY11,3501982-12-31
13DRACHEN OIL COMPANY11,3301980-02-21
11DRACHEN OIL COMPANY11,3251979-05-17
10DRACHEN OIL COMPANY11,3051978-10-31
9DRACHEN OIL COMPANY11,3101978-05-08
7DRACHEN OIL COMPANY11,4201977-11-10
142-029-02062DRACHEN OIL COMPANY------
242-029-02063DRACHEN OIL COMPANY------
342-029-02064DRACHEN OIL COMPANY------
442-029-02065DRACHEN OIL COMPANY------
542-029-02066DRACHEN OIL COMPANY------
642-029-02649DRACHEN OIL COMPANY------