CHALK, SLOAN

Oil // district 10 // lease#41223

op: CONOCOPHILLIPS COMPANY

cum_oil

240k BBL

cum_gas

0 MCF

wells

18

production

2011-12 — 2026-03

peak_month

2013-10

-- production_history

cum_oil: 239,602 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,094 BBL/mo

Di (annual)

44.9%

b-factor

1.6

EUR

395,403 BBL

R-squared

0.613

type

hyperbolic

-- wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
30CITATION OIL & GAS CORP.14,3002018-07-16
25MOBIL PRODUCING TX. & N.M. INC.23,2002011-11-18
29CONOCOPHILLIPS COMPANY37,9002011-05-03
31CONOCOPHILLIPS COMPANY44,3502010-09-28
32CONOCOPHILLIPS COMPANY24,4002010-09-28
28MOBIL PRODUCING TX. & N.M. INC.12,6001986-11-18
26MOBIL PRODUCING TX. & N.M. INC.12,6001986-11-12
27MOBIL PRODUCING TX. & N.M. INC.12,6001986-11-12
24MOBIL PRODUCING TX. & N.M. INC.13,2001986-05-27
22WMOBIL PRODUCING TX. & N.M. INC.13,4001985-10-30
9MOBIL PRODUCING TX. & N.M. INC.12,5901985-07-10
18MOBIL OIL CORPORATION13,1231979-08-03
1042-227-02094--------
1242-227-02096--------
16W42-227-10711--------
2042-227-30404--------
21W42-227-31099--------
742-227-02091--------
EOF // data source: Texas Railroad Commission // 2026