SECTION 99 UNIT

Oil · District 8A · Lease #60206

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

335k BBL

Cum Gas

2k MCF

casinghead

Wells

51

Production

1993-01 — 2026-04

Peak Month

1994-03

Production History

Cum Oil: 334,953 BBL Cum Gas: 1,720 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,705 BBL/mo

Di (annual)

6.0%

b-factor

0.0

EUR

323,912 BBL

R-squared

0.695

type

exponential

Operator History (from monthly production reports)

2021-04 — 2026-07 SCHLACHTER OPERATING CORPORATION 64 mo
1993-01 — 2021-03 SOUTHWEST ROYALTIES, INC. 339 mo

Wells (51)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
59SCHLACHTER OPERATING CORPORATION11,8501985-04-09
60SCHLACHTER OPERATING CORPORATION11,8501985-04-09
42SCHLACHTER OPERATING CORPORATION11,7161984-10-16
1042-415-00478SCHLACHTER OPERATING CORPORATION------
1142-415-04733SCHLACHTER OPERATING CORPORATION------
1342-415-00493SCHLACHTER OPERATING CORPORATION------
1442-415-04732SCHLACHTER OPERATING CORPORATION------
1642-415-04327SCHLACHTER OPERATING CORPORATION------
1742-415-04523SCHLACHTER OPERATING CORPORATION------
1842-415-10015SCHLACHTER OPERATING CORPORATION------
19W42-415-00489SCHLACHTER OPERATING CORPORATION------
1W42-415-04324SCHLACHTER OPERATING CORPORATION------
242-415-04325SCHLACHTER OPERATING CORPORATION------
20W42-415-00486SCHLACHTER OPERATING CORPORATION------
2142-415-00490SCHLACHTER OPERATING CORPORATION------
22W42-415-00487SCHLACHTER OPERATING CORPORATION------
2342-415-00477SCHLACHTER OPERATING CORPORATION------
24W42-415-00167SCHLACHTER OPERATING CORPORATION------
2542-415-00481SCHLACHTER OPERATING CORPORATION------
26W42-415-00484SCHLACHTER OPERATING CORPORATION------
2742-415-03022SCHLACHTER OPERATING CORPORATION------
27W42-415-03022SCHLACHTER OPERATING CORPORATION------
2842-415-03024SCHLACHTER OPERATING CORPORATION------
2942-415-00482SCHLACHTER OPERATING CORPORATION------
3042-415-03025SCHLACHTER OPERATING CORPORATION------
3242-415-00483SCHLACHTER OPERATING CORPORATION------
3342-415-04556SCHLACHTER OPERATING CORPORATION------
3642-415-04562SCHLACHTER OPERATING CORPORATION------
3742-415-04563SCHLACHTER OPERATING CORPORATION------
3842-415-04561SCHLACHTER OPERATING CORPORATION------
3942-415-04559SCHLACHTER OPERATING CORPORATION------
3W42-415-00491SCHLACHTER OPERATING CORPORATION------
4042-415-04557SCHLACHTER OPERATING CORPORATION------
4142-415-03023SCHLACHTER OPERATING CORPORATION------
4342-415-04837SCHLACHTER OPERATING CORPORATION------
4542-415-81080SCHLACHTER OPERATING CORPORATION------
4642-335-01345SCHLACHTER OPERATING CORPORATION------
4942-335-01648SCHLACHTER OPERATING CORPORATION------
4A42-415-30782SCHLACHTER OPERATING CORPORATION------
4WS42-415-02099SCHLACHTER OPERATING CORPORATION------
5142-335-01652SCHLACHTER OPERATING CORPORATION------
5242-335-01653SCHLACHTER OPERATING CORPORATION------
5342-335-01651SCHLACHTER OPERATING CORPORATION------
5442-335-01649SCHLACHTER OPERATING CORPORATION------
5542-335-00266SCHLACHTER OPERATING CORPORATION------
56W42-335-01342SCHLACHTER OPERATING CORPORATION------
5842-335-01344SCHLACHTER OPERATING CORPORATION------
5W42-415-81062SCHLACHTER OPERATING CORPORATION------
642-415-04512SCHLACHTER OPERATING CORPORATION------
842-415-00751SCHLACHTER OPERATING CORPORATION------
942-415-00479SCHLACHTER OPERATING CORPORATION------