DONOVAN A

Oil · District 08 · Lease #42215

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

237k BBL

Cum Gas

986k MCF

casinghead

Wells

3

Production

2011-11 — 2026-01

Peak Month

2012-09

Production History

Cum Oil: 236,839 BBL Cum Gas: 985,553 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,624 BBL/mo

Di (annual)

34.9%

b-factor

0.3

EUR

175,295 BBL

R-squared

0.828

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2019-06 — 2021-05 DE3 OPERATING LLC 24 mo
2011-11 — 2019-05 PARSLEY ENERGY OPERATIONS, LLC 91 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA INC.113,0002013-07-02
4PIONEER NATURAL RES. USA INC.311,6002011-05-09
2PIONEER NATURAL RES. USA INC.313,0002011-04-13