ROCKER B -RR-

Oil // district 9 // lease#6284

op: PARKER & PARSLEY DEVELOPMENT L.P

cum_oil

31k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 1997-09

peak_month

1993-01

-- production_history

cum_oil: 31,462 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,781 BBL/mo

Di (annual)

144.1%

b-factor

1.0

EUR

63,665 BBL

R-squared

0.847

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5GRAHAM ROYALTY, LTD.16,5751992-10-01
142-235-30222--------
242-235-30223--------
342-235-30224--------
442-235-30225--------
EOF // data source: Texas Railroad Commission // 2026