CMI (SPRABERRY) UNIT

Oil · District 8A · Lease #66543

Operator: STEPHENS, AUTRY C.

Cum Oil

114k BBL

Cum Gas

9k MCF

casinghead

Wells

7

Production

1993-01 — 2020-05

Peak Month

1993-03

Production History

Cum Oil: 114,035 BBL Cum Gas: 8,739 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,678 BBL/mo

Di (annual)

46.9%

b-factor

0.3

EUR

97,136 BBL

R-squared

0.819

type

hyperbolic

Operator History (from monthly production reports)

2000-09 — 2022-02 ENDEAVOR ENERGY RESOURCES L.P. 258 mo
1997-05 — 2000-08 STEPHENS, AUTRY C. 40 mo
1993-01 — 1997-04 R K PETROLEUM CORP. 52 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6034R K PETROLEUM CORP.17,9001982-02-19
6122ENDEAVOR ENERGY RESOURCES L.P.27,9001981-10-30
6132R K PETROLEUM CORP.18,0001981-07-22
6133R K PETROLEUM CORP.17,8801981-05-14
6123R K PETROLEUM CORP.17,9151981-03-03
6131R K PETROLEUM CORP.18,0001981-01-23
6121R K PETROLEUM CORP.18,5001980-10-10