ROSIO

Oil · District 10 · Lease #5855

Operator: STAHL PETROLEUM CO.

Cum Oil

10k BBL

Cum Gas

43k MCF

casinghead

Wells

8

Production

1993-01 — 2021-04

Peak Month

1995-03

Production History

Cum Oil: 10,206 BBL Cum Gas: 43,286 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

338 BBL/mo

Di (annual)

57.2%

b-factor

0.5

EUR

13,231 BBL

R-squared

0.833

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 LARGE OPERATING LLC 59 mo
2002-06 — 2021-08 L & G OPERATING, INC. 231 mo
1994-04 — 2002-05 FRANCISCO OIL & GAS 98 mo
1993-01 — 1994-03 STAHL PETROLEUM CO. 15 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8L & G OPERATING, INC.23,7501988-02-09
6L & G OPERATING, INC.23,7501986-10-21
5LARGE OPERATING LLC13,7501985-10-29
7LARGE OPERATING LLC13,7501985-10-29
4LARGE OPERATING LLC13,7501985-10-28
1DLARGE OPERATING LLC13,8001985-09-12
3LARGE OPERATING LLC13,7001985-03-14
2LARGE OPERATING LLC13,7001984-04-27