BLACK COBRA 1-2 UNIT A

Oil // district 10 // lease#50839

op: NOBLE ENERGY INC

cum_oil

855k BBL

cum_gas

0 MCF

wells

3

production

2018-03 — 2026-03

peak_month

2018-12

-- production_history

cum_oil: 855,283 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

15,857 BBL/mo

Di (annual)

38.9%

b-factor

0.0

EUR

489,389 BBL

R-squared

0.483

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
61HNBL PERMIAN LLC113,0002017-08-21
1HWILLIAMS, CLAYTON ENERGY, INC.213,0002017-05-05
2HLWILLIAMS, CLAYTON ENERGY, INC.213,0002017-05-05
EOF // data source: Texas Railroad Commission // 2026