PHIL WRIGHT (SPRABERRY) UNIT

Oil // district 11 // lease#66542

op: FREMONT ENERGY, L.P.

cum_oil

2.4M BBL

cum_gas

0 MCF

wells

20

production

1993-01 — 2026-03

peak_month

1994-03

-- production_history

cum_oil: 2,446,960 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

23,283 BBL/mo

Di (annual)

15.3%

b-factor

0.2

EUR

2,224,681 BBL

R-squared

0.987

type

hyperbolic

-- wells (20)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
209BECHTEL ENERGY RESOURCES CORP.18,0501991-03-13
208BECHTEL INVESTMENTS, INC.18,0501990-10-17
206BECHTEL INVESTMENTS, INC.28,0501990-08-28
307NORTH AMERICAN ROYALTIES, INC.28,5001990-08-28
309BECHTEL INVESTMENTS, INC.18,0501990-08-28
408NORTH AMERICAN ROYALTIES, INC.18,5001986-10-06
501NORTH AMERICAN ROYALTIES, INC.18,5001986-01-15
406NORTH AMERICAN ROYALTIES, INC.18,5001985-12-02
305NORTH AMERICAN ROYALTIES, INC.18,5001985-09-09
602EXXON CORP.19,4001985-08-27
304NORTH AMERICAN ROYALTIES, INC.18,5001985-04-30
303NORTH AMERICAN ROYALTIES, INC.18,5001985-03-13
302NORTH AMERICAN ROYALTIES, INC.18,5001984-09-10
205NORTH AMERICAN ROYALTIES, INC.18,5001984-09-06
204NORTH AMERICAN ROYALTIES, INC.18,5001984-05-21
301NORTH AMERICAN ROYALTIES, INC.18,5001984-01-10
203NORTH AMERICAN ROYALTIES, INC.18,5001983-06-14
202NORTH AMERICAN ROYALTIES, INC.18,5001983-04-25
101NORTH AMERICAN ROYALTIES, INC.18,5001983-03-07
201NORTH AMERICAN ROYALTIES, INC.18,5001982-11-08
EOF // data source: Texas Railroad Commission // 2026