ALEXANDER, E.C.

Oil // district 1 // lease#6386

op: DARST CREEK OIL COMPANY

fields: BUCHANAN

cum_oil

40k BBL

cum_gas

0 MCF

wells

12

production

1993-01 — 2026-03

peak_month

1995-05

-- production_history

cum_oil: 39,898 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

190 BBL/mo

Di (annual)

5.4%

b-factor

0.1

EUR

41,425 BBL

R-squared

0.585

type

hyperbolic

-- wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11LOCKHART OIL & GAS12,5501985-11-04
10LOCKHART OIL & GAS12,6001984-09-14
9LOCKHART OIL & GAS12,6001983-08-26
8LOCKHART OIL & GAS12,6001982-12-31
1DLOCKHART OIL & GAS13,1001982-02-22
6LOCKHART OIL & GAS12,6001981-12-10
7LOCKHART OIL & GAS12,6001981-12-10
4LOCKHART OIL & GAS12,6001981-03-23
5LOCKHART OIL & GAS12,6001981-03-23
3LOCKHART OIL & GAS12,6001980-12-16
2LOCKHART OIL & GAS12,6001980-12-12
1LOCKHART OIL & GAS12,6001980-05-09
EOF // multi-state drilling data platform // 2026