CHALK, OTIS

Oil · District 08 · Lease #46457

Operator: APACHE CORPORATION

Cum Oil

297k BBL

Cum Gas

72k MCF

casinghead

Wells

23

Production

2011-12 — 2026-04

Peak Month

2011-12

Production History

Cum Oil: 297,405 BBL Cum Gas: 71,623 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,238 BBL/mo

Di (annual)

23.3%

b-factor

0.0

EUR

218,519 BBL

R-squared

0.602

type

exponential

Operator History (from monthly production reports)

2011-12 — 2026-07 APACHE CORPORATION 176 mo

Wells (23)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1419RAPACHE CORPORATION23,4002009-09-23
1416APACHE CORPORATION33,8002001-07-03
25WAPACHE CORPORATION13,4002001-06-08
25WUAPACHE CORPORATION13,4002001-06-08
20WAPACHE CORPORATION13,4002001-06-07
20WUAPACHE CORPORATION13,4002001-06-07
21WAPACHE CORPORATION13,4002001-06-07
21WUAPACHE CORPORATION13,4002001-06-07
22WAPACHE CORPORATION13,4002001-06-07
22WUAPACHE CORPORATION13,4002001-06-07
23WAPACHE CORPORATION13,4002001-06-07
23WUAPACHE CORPORATION13,4002001-06-07
24WAPACHE CORPORATION13,4002001-06-07
24WUAPACHE CORPORATION13,4002001-06-07
12APACHE CORPORATION13,2952001-06-06
13APACHE CORPORATION43,8002001-05-22
1315APACHE CORPORATION43,8002001-05-22
5WAPACHE CORPORATION13,3001998-11-16
1317APACHE CORPORATION23,2001996-10-22
1042-227-04105APACHE CORPORATION------
642-227-04103APACHE CORPORATION------
742-227-04102APACHE CORPORATION------
942-227-04104APACHE CORPORATION------