ROCKER B -BB-

Oil // district 9 // lease#6061

op: PARKER & PARSLEY DEVELOPMENT L.P

cum_oil

46k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 1997-09

peak_month

1993-01

-- production_history

cum_oil: 46,468 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,545 BBL/mo

Di (annual)

69.1%

b-factor

2.0

EUR

197,846 BBL

R-squared

0.700

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6GRAHAM ROYALTY, LTD.16,6001992-07-23
5GRAHAM ROYALTY, LTD.16,5001992-07-22
142-235-30112--------
242-235-30146--------
342-235-30145--------
442-235-30159--------
EOF // data source: Texas Railroad Commission // 2026