COOK RANCH 85WS

Oil · District 7B · Lease #31366

Operator: STASNEY WELL SERVICE, LLC

Fields: COOK RANCH

Cum Oil

41k BBL

Cum Gas

0 MCF

Wells

14

Production

2013-12 — 2026-04

Peak Month

2017-03

Production History

Cum Oil: 40,954 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,117 BBL/mo

Di (annual)

120.4%

b-factor

0.8

EUR

34,637 BBL

R-squared

0.755

type

hyperbolic

Operator History (from monthly production reports)

2013-12 — 2026-07 STASNEY WELL SERVICE, LLC 152 mo

Wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
103STASNEY WELL SERVICE, LLC12,0002021-10-18
86STASNEY WELL SERVICE, LLC24,0002017-11-07
25STASNEY WELL SERVICE, LLC22,0002017-08-17
99STASNEY WELL SERVICE, LLC22,0002017-07-06
95STASNEY WELL SERVICE, LLC12,0002015-01-29
96STASNEY WELL SERVICE, LLC12,0002015-01-14
93STASNEY WELL SERVICE, LLC12,0002014-11-19
94STASNEY WELL SERVICE, LLC12,0002014-11-19
89STASNEY WELL SERVICE, LLC12,0002014-01-21
89TSTASNEY WELL SERVICE, LLC12,0002014-01-21
90STASNEY WELL SERVICE, LLC12,0002014-01-21
91STASNEY WELL SERVICE, LLC12,0002014-01-21
92STASNEY WELL SERVICE, LLC12,0002014-01-21
88STASNEY WELL SERVICE, LLC12,0002013-11-01