CHAPMAN UNIT

Oil · District 8A · Lease #65203

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

292k BBL

Cum Gas

3k MCF

casinghead

Wells

39

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 292,478 BBL Cum Gas: 3,397 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,986 BBL/mo

Di (annual)

9.2%

b-factor

0.2

EUR

299,156 BBL

R-squared

0.790

type

hyperbolic

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 (39)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
106ASCHLACHTER OPERATING CORPORATION11,8501985-06-03
212SCHLACHTER OPERATING CORPORATION11,8501985-06-03
311SCHLACHTER OPERATING CORPORATION11,8501985-04-09
105SCHLACHTER OPERATING CORPORATION11,8501985-04-02
210SCHLACHTER OPERATING CORPORATION11,8501985-04-02
211SCHLACHTER OPERATING CORPORATION11,8501985-04-02
310SCHLACHTER OPERATING CORPORATION11,8501985-04-02
410SCHLACHTER OPERATING CORPORATION11,8501985-04-02
209SCHLACHTER OPERATING CORPORATION11,9001983-10-20
309SCHLACHTER OPERATING CORPORATION11,9001983-10-20
409SCHLACHTER OPERATING CORPORATION11,9001983-10-20
101SCHLACHTER OPERATING CORPORATION11,8001979-11-12
10242-415-00462SCHLACHTER OPERATING CORPORATION------
10342-415-00463SCHLACHTER OPERATING CORPORATION------
10442-415-00464SCHLACHTER OPERATING CORPORATION------
20142-415-00215SCHLACHTER OPERATING CORPORATION------
20242-415-00216SCHLACHTER OPERATING CORPORATION------
20342-415-00217SCHLACHTER OPERATING CORPORATION------
20442-415-10354SCHLACHTER OPERATING CORPORATION------
20542-415-04502SCHLACHTER OPERATING CORPORATION------
20642-415-04504SCHLACHTER OPERATING CORPORATION------
20742-415-04505SCHLACHTER OPERATING CORPORATION------
20842-415-04506SCHLACHTER OPERATING CORPORATION------
30142-415-00214SCHLACHTER OPERATING CORPORATION------
30242-415-00064SCHLACHTER OPERATING CORPORATION------
30342-415-00471SCHLACHTER OPERATING CORPORATION------
30442-415-00472SCHLACHTER OPERATING CORPORATION------
30542-415-00473SCHLACHTER OPERATING CORPORATION------
30642-415-00474SCHLACHTER OPERATING CORPORATION------
30742-415-00475SCHLACHTER OPERATING CORPORATION------
30842-415-00476SCHLACHTER OPERATING CORPORATION------
40142-415-00063SCHLACHTER OPERATING CORPORATION------
40242-415-00065SCHLACHTER OPERATING CORPORATION------
40342-415-00465SCHLACHTER OPERATING CORPORATION------
40442-415-00466SCHLACHTER OPERATING CORPORATION------
40542-415-00467SCHLACHTER OPERATING CORPORATION------
40642-415-00468SCHLACHTER OPERATING CORPORATION------
40742-415-00469SCHLACHTER OPERATING CORPORATION------
40842-415-00470SCHLACHTER OPERATING CORPORATION------