SIBLEY "48"

Oil // district 10 // lease#37078

op: SHELL WESTERN E&P

cum_oil

743k BBL

cum_gas

0 MCF

wells

10

production

2003-04 — 2026-03

peak_month

2005-09

-- production_history

cum_oil: 743,465 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

9,543 BBL/mo

Di (annual)

19.4%

b-factor

0.0

EUR

590,903 BBL

R-squared

0.839

type

exponential

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8CHESAPEAKE OPERATING, INC.17,0002005-06-06
9CHESAPEAKE OPERATING, INC.17,0002005-06-03
10CHESAPEAKE OPERATING, INC.18,0002005-05-19
7PECOS PRODUCTION COMPANY16,5002004-11-03
6PECOS PRODUCTION COMPANY16,5002004-06-21
5PECOS PRODUCTION COMPANY16,5002004-06-18
4PECOS PRODUCTION COMPANY26,6002004-03-01
3PECOS PRODUCTION COMPANY16,6002004-01-07
2PECOS PRODUCTION COMPANY16,5002003-09-12
1PECOS PRODUCTION COMPANY16,5002003-03-13
EOF // multi-state drilling data platform // 2026