MONAGHAN, L. R. #5

Oil // district 13 // lease#27984

op: WILLOWBEND INVESTMENTS, INC.

fields: DAVES(CONGL.)

cum_oil

341k BBL

cum_gas

0 MCF

wells

11

production

1993-01 — 2026-03

peak_month

2009-03

-- production_history

cum_oil: 341,418 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,680 BBL/mo

Di (annual)

7.0%

b-factor

0.0

EUR

278,370 BBL

R-squared

0.713

type

exponential

-- wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
511WILLOWBEND INVESTMENTS, INC.16,0002013-07-18
509WILLOWBEND INVESTMENTS, INC.16,0002011-10-27
510WILLOWBEND INVESTMENTS, INC.16,0002011-10-27
506WILLOWBEND INVESTMENTS, INC.16,0002009-10-07
508WILLOWBEND INVESTMENTS, INC.16,0002008-07-11
507WILLOWBEND INVESTMENTS, INC.17,0002007-07-20
504WILLOWBEND INVESTMENTS, INC.15,6002001-12-10
505WILLOWBEND INVESTMENTS, INC.15,6002001-12-10
503WILLOWBEND INVESTMENTS, INC.15,6002000-11-30
502WILLOWBEND INVESTMENTS, INC.15,6002000-01-19
5LITTLE, QUINTIN COMPANY INC, THE16,0001990-11-09
EOF // data source: Texas Railroad Commission // 2026