SAUNDERS

Oil · District 7C · Lease #8770

Operator: TAMARACK PETROLEUM COMPANY, INC.

Cum Oil

65k BBL

Cum Gas

498k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2007-07

Production History

Cum Oil: 64,616 BBL Cum Gas: 498,196 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

987 BBL/mo

Di (annual)

35.5%

b-factor

0.3

EUR

46,975 BBL

R-squared

0.822

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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4TMPIONEER NATURAL RES. USA, INC.19,0002007-02-21
3TMPIONEER NATURAL RES. USA, INC.19,0002005-11-22
1PIONEER NATURAL RES. USA, INC.18,1001980-11-07