GAILAN

Oil · District 08 · Lease #39392

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

442k BBL

Cum Gas

1.1M MCF

casinghead

Wells

8

Production

2007-08 — 2026-04

Peak Month

2013-07

Production History

Cum Oil: 441,751 BBL Cum Gas: 1,126,327 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,958 BBL/mo

Di (annual)

60.4%

b-factor

0.4

EUR

257,819 BBL

R-squared

0.860

type

hyperbolic

Operator History (from monthly production reports)

2016-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 119 mo
2008-11 — 2016-08 DEVON ENERGY PRODUCTION CO, L.P. 94 mo
2007-10 — 2008-10 EXL PETROLEUM, LP 13 mo
2007-08 — 2007-09 DEVON ENERGY PRODUCTION CO, L.P. 2 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6PIONEER NATURAL RES. USA, INC.110,7502013-01-31
7PIONEER NATURAL RES. USA, INC.110,7502013-01-31
8PIONEER NATURAL RES. USA, INC.110,7502013-01-31
5PIONEER NATURAL RES. USA, INC.110,7502013-01-29
1PIONEER NATURAL RES. USA, INC.411,0002009-07-28
2PIONEER NATURAL RES. USA, INC.311,0002007-12-11
3PIONEER NATURAL RES. USA, INC.111,0002007-10-31
4PIONEER NATURAL RES. USA, INC.111,0002007-10-31