WRIGHT

Oil // district 10 // lease#33696

op: COBRA OIL & GAS CORPORATION

cum_oil

589k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2013-10

peak_month

1993-08

-- production_history

cum_oil: 588,960 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

10,943 BBL/mo

Di (annual)

26.3%

b-factor

0.0

EUR

498,928 BBL

R-squared

0.953

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4AP4 OPERATING, LLC29,1002016-11-02
P4OMAP4 OPERATING, LLC29,1002016-11-02
5ACOBRA OIL & GAS CORPORATION29,1001993-02-10
6ACOBRA OIL & GAS CORPORATION19,1001993-01-28
3ACOBRA OIL & GAS CORPORATION19,1001992-05-13
2ACOBRA OIL & GAS CORPORATION19,1001992-02-11
1ACOBRA OIL & GAS CORPORATION29,3001991-11-12
1BCOBRA OIL & GAS CORPORATION29,3001991-11-12
EOF // data source: Texas Railroad Commission // 2026