SPARKS, T. E.

Oil // district 11 // lease#66714

op: WHITE ROCK OIL & GAS, LLC

cum_oil

523k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2023-01

peak_month

1993-03

-- production_history

cum_oil: 522,948 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,083 BBL/mo

Di (annual)

6.9%

b-factor

0.2

EUR

590,895 BBL

R-squared

0.815

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3WHITE ROCK OIL & GAS, LLC27,5002025-01-23
5WHITE ROCK OIL & GAS, LLC27,4002025-01-23
6WHITE ROCK OIL & GAS, LLC37,4002021-03-30
8OXY USA WTP LP27,4002014-02-26
4EXXON CORP. - MIDLAND27,4001995-01-20
7EXXON CORP.17,4001992-09-09
1EXXON CORP.17,5001991-04-22
2EXXON CORP.17,5001991-04-17
EOF // data source: Texas Railroad Commission // 2026