PARKER MINERALS 18A

Oil // district 10 // lease#38821

op: SHERIDAN PRODUCTION COMPANY, LLC

cum_oil

188k BBL

cum_gas

0 MCF

wells

8

production

2008-02 — 2026-03

peak_month

2009-01

-- production_history

cum_oil: 188,200 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,261 BBL/mo

Di (annual)

65.4%

b-factor

0.1

EUR

127,712 BBL

R-squared

0.964

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SHERIDAN PRODUCTION COMPANY, LLC312,0002013-06-12
14SHERIDAN PRODUCTION COMPANY, LLC212,0002013-06-07
4SHERIDAN PRODUCTION COMPANY, LLC212,0002013-06-07
5SHERIDAN PRODUCTION COMPANY, LLC212,0002013-06-07
13SHERIDAN PRODUCTION COMPANY, LLC212,0002013-05-16
3SHERIDAN PRODUCTION COMPANY, LLC212,0002013-05-10
2SANDRIDGE EXPL. AND PROD., LLC212,0002011-11-28
12SANDRIDGE EXPL. AND PROD., LLC112,0002008-10-10
EOF // data source: Texas Railroad Commission // 2026