MATLOCK, O. L. -B-

Oil // district 13 // lease#19566

op: UNDERWOOD, JIM

cum_oil

1k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1993-07

-- production_history

cum_oil: 1,199 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

9 BBL/mo

Di (annual)

8.7%

b-factor

0.0

EUR

1,110 BBL

R-squared

0.384

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5MATLOCK OIL CO.17001983-07-07
2MATLOCK OIL CO.16801980-06-24
3MATLOCK OIL CO.16801980-06-24
1MATLOCK OIL CO.16701979-08-14
EOF // multi-state drilling data platform // 2026