BALL

Oil // district 9 // lease#13429

op: PURE RESOURCES, L.P.

cum_oil

42k BBL

cum_gas

0 MCF

wells

3

production

1993-03 — 2016-07

peak_month

1993-10

-- production_history

cum_oil: 42,414 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

977 BBL/mo

Di (annual)

63.1%

b-factor

0.5

EUR

34,965 BBL

R-squared

0.827

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3KEYSTONE PETROLEUM NM LLC47,5002015-06-26
2KEYSTONE PETROLEUM NM LLC27,5002014-08-27
1KEYSTONE PETROLEUM NM LLC27,4502014-05-15
EOF // data source: Texas Railroad Commission // 2026