HAMLIN UNIT 19-18

Oil · District 08 · Lease #44887

Operator: TALL CITY OPERATIONS LLC

Cum Oil

2.8M BBL

Cum Gas

7.8M MCF

casinghead

Wells

12

Production

2013-12 — 2026-03

Peak Month

2020-03

Production History

Cum Oil: 2,789,274 BBL Cum Gas: 7,808,137 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

79,341 BBL/mo

Di (annual)

145.7%

b-factor

0.8

EUR

2,090,670 BBL

R-squared

0.949

type

hyperbolic

Operator History (from monthly production reports)

2016-03 — 2026-07 SURGE OPERATING, LLC 125 mo
2013-12 — 2016-02 TALL CITY OPERATIONS LLC 27 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6SHSURGE OPERATING, LLC19,0002019-05-09
6AHSURGE OPERATING, LLC19,0002019-05-08
7SHSURGE OPERATING, LLC29,0002019-05-03
3AHSURGE OPERATING, LLC19,0002019-01-08
2SHSURGE OPERATING, LLC29,0002019-01-07
1SHSURGE OPERATING, LLC29,0002018-12-14
7AHSURGE OPERATING, LLC210,0002018-01-29
8SHSURGE OPERATING, LLC210,0002017-08-17
2AHSURGE OPERATING, LLC110,0002017-02-01
8AHSURGE OPERATING, LLC210,0002016-09-22
1AHSURGE OPERATING, LLC29,5002016-03-17
1HSURGE OPERATING, LLC210,0002013-07-30