HALSELL RANCH

Oil // district 13 // lease#31827

op: SWAN PC, LP

cum_oil

70k BBL

cum_gas

0 MCF

wells

8

production

2010-09 — 2025-10

peak_month

2014-08

-- production_history

cum_oil: 69,526 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,288 BBL/mo

Di (annual)

112.1%

b-factor

0.3

EUR

34,856 BBL

R-squared

0.758

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
P 28PETROBAL OMEGA 1, LLC25,5002019-04-03
S 2SWAN PC, LP57,0002019-02-20
1PETROBAL OMEGA 1, LLC46,0002018-10-19
B 7PETROBAL OMEGA 1, LLC26,1002018-08-27
S 3SWAN PC, LP37,0002015-06-01
S 4SWAN PC, LP27,0002014-08-26
S 6SWAN PC, LP16,0002012-05-04
S 5SWAN PC, LP17,0002012-03-08
EOF // data source: Texas Railroad Commission // 2026