WINDHAM, R. S.

Oil · District 7C · Lease #5812

Operator: ARCO PERMIAN

Cum Oil

8k BBL

Cum Gas

305k MCF

casinghead

Wells

3

Production

1993-01 — 1997-12

Peak Month

1994-12

Production History

Cum Oil: 8,218 BBL Cum Gas: 305,251 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

268 BBL/mo

Di (annual)

69.0%

b-factor

0.0

EUR

4,648 BBL

R-squared

0.484

type

exponential

Operator History (from monthly production reports)

1994-06 — 1998-05 ARCO PERMIAN 48 mo
1993-01 — 1994-05 ARCO OIL & GAS CO. 17 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4 UARCO PERMIAN212,3442001-12-21
2 UAPACHE CORPORATION112,4791997-07-22
5 U42-461-04308APACHE CORPORATION------