GLASS

Oil · District 7C · Lease #6483

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

68k BBL

Cum Gas

736k MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

1996-10

Production History

Cum Oil: 68,189 BBL Cum Gas: 736,233 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,509 BBL/mo

Di (annual)

67.8%

b-factor

0.5

EUR

50,433 BBL

R-squared

0.891

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2017-03 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 47 mo
2010-12 — 2017-02 APACHE CORPORATION 75 mo
2007-12 — 2010-11 MARINER ENERGY, INC. 36 mo
1993-01 — 2007-11 TAMARACK PETROLEUM COMPANY, INC. 179 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8TMPIONEER NATURAL RES. USA, INC.210,0002007-12-28
7TMPIONEER NATURAL RES. USA, INC.19,0002006-05-15
6TMPIONEER NATURAL RES. USA, INC.19,0002005-11-21
242-173-30130PIONEER NATURAL RES. USA, INC.------
3X42-173-30173PIONEER NATURAL RES. USA, INC.------
442-383-30527PIONEER NATURAL RES. USA, INC.------