ROCKER B -KK-

Oil // district 9 // lease#6140

op: PARKER & PARSLEY DEVELOPMENT L.P

cum_oil

79k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 1997-09

peak_month

1995-09

-- production_history

cum_oil: 79,010 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,329 BBL/mo

Di (annual)

209.7%

b-factor

1.0

EUR

142,266 BBL

R-squared

0.945

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6PARKER & PARSLEY DEVELOPMENT L.P16,7001995-04-27
7PARKER & PARSLEY DEVELOPMENT L.P16,7001995-04-27
8PARKER & PARSLEY DEVELOPMENT L.P16,7001995-04-27
5GRAHAM ROYALTY, LTD.16,5501992-07-22
142-235-30157--------
242-235-30156--------
342-235-30166--------
442-235-30167--------
EOF // data source: Texas Railroad Commission // 2026