ECHOLS (SPRABERRY) UNIT

Oil // district 11 // lease#66337

op: SAGEBRUSH OILANDGAS COMPANY,LLC

cum_oil

558k BBL

cum_gas

0 MCF

wells

14

production

1993-01 — 2023-05

peak_month

1993-01

-- production_history

cum_oil: 558,111 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

13,027 BBL/mo

Di (annual)

40.4%

b-factor

0.3

EUR

547,402 BBL

R-squared

0.937

type

hyperbolic

-- wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
701MAMMOTH EXPLORATION LLC29,0602020-12-11
801MAMMOTH EXPLORATION LLC29,0002020-12-07
802HXPARKER & PARSLEY PRODUCING L.P.28,3002001-05-25
1401BRIDGE OIL COMPANY, L. P.18,6001990-11-15
1301DAVIS & CARR ENERGY CO.19,0001987-02-26
1101DAVIS & CARR ENERGY CO.19,0001987-02-02
1201DAVIS & CARR ENERGY CO.19,0001986-08-12
601DAVIS & CARR ENERGY CO.19,0001985-10-21
1001DAVIS & CARR ENERGY CO.112,2001985-10-15
501DAVIS & CARR ENERGY CO.19,0001985-05-28
201DAVIS & CARR ENERGY CO.19,0001985-04-29
301DAVIS & CARR ENERGY CO.19,0001984-12-21
101DAVIS & CARR ENERGY CO.112,5001984-06-05
401DAVIS & CARR ENERGY CO.112,5001983-07-07
EOF // data source: Texas Railroad Commission // 2026