HALLEY, S. M. (ONE)

Oil · District 08 · Lease #7723

Operator: WALLACE OPERATING COMPANY LLC

Cum Oil

113k BBL

Cum Gas

739k MCF

casinghead

Wells

26

Production

1993-01 — 2019-07

Peak Month

1995-02

Production History

Cum Oil: 113,249 BBL Cum Gas: 739,305 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,029 BBL/mo

Di (annual)

15.9%

b-factor

0.0

EUR

77,350 BBL

R-squared

0.790

type

exponential

Operator History (from monthly production reports)

2025-07 — 2026-07 WALLACE OPERATING COMPANY LLC 13 mo
2025-05 — 2025-06 TEAM OPERATING, L.L.C. 2 mo
2020-04 — 2025-04 JUNO OPERATING COMPANY III, LLC 61 mo
2018-12 — 2020-03 CHAMPION LONE STAR OPERATING,LLC 16 mo
1997-07 — 2018-11 SOUTHWEST ROYALTIES, INC. 257 mo
1994-12 — 1997-06 MIDLAND SOUTHWEST COLD LAKE INC 31 mo
1993-01 — 1994-11 TEXACO E & P INC. 23 mo

Wells (26)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
153TEAM OPERATING, L.L.C.13,4002002-11-22
305WALLACE OPERATING COMPANY LLC23,3002001-10-09
33WALLACE OPERATING COMPANY LLC12,6501998-03-09
76WALLACE OPERATING COMPANY LLC12,8881996-11-15
178TEAM OPERATING, L.L.C.13,0501995-07-07
250TEAM OPERATING, L.L.C.12,8001995-07-07
251WTEAM OPERATING, L.L.C.12,8351995-03-28
252TEAM OPERATING, L.L.C.22,8801995-02-07
254TEAM OPERATING, L.L.C.22,9501995-02-07
255TEAM OPERATING, L.L.C.22,9601995-02-07
256TEAM OPERATING, L.L.C.12,9001995-01-20
266WALLACE OPERATING COMPANY LLC13,4001983-06-15
267WALLACE OPERATING COMPANY LLC13,4001983-06-15
265WALLACE OPERATING COMPANY LLC13,4001982-12-29
261WALLACE OPERATING COMPANY LLC13,4001982-09-24
262WALLACE OPERATING COMPANY LLC13,4001982-09-24
263WALLACE OPERATING COMPANY LLC13,4001982-09-24
111WGETTY OIL CO.112,8191979-05-31
25342-495-30471WALLACE OPERATING COMPANY LLC------
25742-495-30501WALLACE OPERATING COMPANY LLC------
25942-495-30503WALLACE OPERATING COMPANY LLC------
3142-495-04649WALLACE OPERATING COMPANY LLC------
3442-495-04726WALLACE OPERATING COMPANY LLC------
71 T42-495-04708SOUTHWEST ROYALTIES INC.------
8042-495-04673WALLACE OPERATING COMPANY LLC------
8242-495-04674SKELLY OIL CO.------