HALFF & OPPENHEIMER

Oil // district 1 // lease#1364

op: SPUR OPERATING CO.

cum_oil

480k BBL

cum_gas

0 MCF

wells

19

production

1993-01 — 2026-03

peak_month

2019-12

-- production_history

cum_oil: 479,634 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,383 BBL/mo

Di (annual)

42.2%

b-factor

0.0

EUR

67,709 BBL

R-squared

0.764

type

exponential

-- wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1 RSPUR OPERATING CO.46,5002020-02-19
1BSABRE OPERATING, INC.37,8002019-04-18
1LAWBAR PETROLEUM, INC.24,6001994-06-06
1ALAWBAR PETROLEUM, INC.24,6001994-06-06
216LAWBAR PETROLEUM, INC.14,6001982-07-14
416LAWBAR PETROLEUM, INC.14,6001982-06-02
116LAWBAR PETROLEUM, INC.14,4451981-12-03
1242-163-01240--------
1442-163-01231--------
1642-163-01296--------
1842-163-01297--------
242-163-01291--------
2042-163-01299--------
2142-163-01239--------
342-163-01237--------
642-163-01292--------
742-163-01295--------
842-163-01234--------
942-163-01235--------
EOF // data source: Texas Railroad Commission // 2026