LYALL

Oil · District 10 · Lease #838

Operator: SNIPER OIL & GAS, INC.

Cum Oil

92k BBL

Cum Gas

171k MCF

casinghead

Wells

25

Production

1993-01 — 2026-04

Peak Month

2020-01

Production History

Cum Oil: 92,102 BBL Cum Gas: 170,842 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,095 BBL/mo

Di (annual)

52.0%

b-factor

0.3

EUR

35,818 BBL

R-squared

0.766

type

hyperbolic

Operator History (from monthly production reports)

2022-09 — 2026-07 LARGE OPERATING LLC 47 mo
2019-07 — 2022-08 BAR L PRODUCERS 38 mo
2014-01 — 2019-06 PG-M INTERNATIONAL OPERATING,LLC 66 mo
2013-04 — 2013-12 PETROLIA GROUP, L.L.C. 9 mo
2013-01 — 2013-03 PONDEROSA PETROLEUM, INC. 3 mo
2009-11 — 2012-12 SNIPER OIL & GAS, INC. 38 mo
2004-06 — 2009-10 JACO OIL & GAS 65 mo
1993-01 — 2004-05 HOLMES, W. W. OIL COMPANY 137 mo

Wells (25)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
43LARGE OPERATING LLC13,0872018-08-08
42LARGE OPERATING LLC13,2002018-07-20
41LARGE OPERATING LLC13,6002014-07-23
40LARGE OPERATING LLC13,6002014-06-17
21LARGE OPERATING LLC13,3001985-06-25
142-233-81395LARGE OPERATING LLC------
1042-233-81399LARGE OPERATING LLC------
1142-233-05545LARGE OPERATING LLC------
11W42-233-05545LARGE OPERATING LLC------
1442-233-81401LARGE OPERATING LLC------
1542-233-81402LARGE OPERATING LLC------
1642-233-81404LARGE OPERATING LLC------
242-233-81396LARGE OPERATING LLC------
2042-233-84202LARGE OPERATING LLC------
2242-233-05539LARGE OPERATING LLC------
2342-233-84203LARGE OPERATING LLC------
2442-233-84201LARGE OPERATING LLC------
2542-233-84651LARGE OPERATING LLC------
2642-233-84652LARGE OPERATING LLC------
2742-233-84653LARGE OPERATING LLC------
2842-233-81405LARGE OPERATING LLC------
2942-233-84200LARGE OPERATING LLC------
342-233-81397LARGE OPERATING LLC------
442-233-81403LARGE OPERATING LLC------
642-233-81398LARGE OPERATING LLC------