FIELDS · TEXAS · FIELD 73523500

Putnam, West (Duffer)

Field · District 7B · Callahan County · Duffer in every state →

Putnam, West (Duffer) is an RRC field with 17 leases on file reported by 4 operators, in Callahan County.

In the 12 months reported through April 2026 it produced 58 barrels of oil, down 85% on the year before, from 1 lease reporting volume.

Charter Petroleum Company holds the most, 8 leases and 2.1 million mcf of gas lifetime.

Lifetime, the field has reported 27,795 barrels of oil and 2.2 million mcf of gas, across 8 oil and 9 gas leases.

17
leases on file · 8 oil, 9 gas
1
leases reporting volume
4
operators, all time
1
active wellbores of 40 · 1 operators today
58
bbl oil, 12 months through Apr 2026 · −85%
0
Mcf gas, same 12 months
27,795
bbl oil, lifetime · 2.2M Mcf gas

Every well completed in it, searchable →

Reported production by month

Last 12 months 58 · prior 12 396(-85%)

0501001502017201820192020202120222023202420252026

Putnam, West (Duffer): Oil by month.

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 4

OperatorLeasesOil, bblGas, McfLast reported
Charter Petroleum Company826.7K2.13MJul 2026
Probe Exploration Company21.14K31.7KMar 2013
H & R Resources, Inc.500Jul 1995
Oilwell Tech & Enhancement, Co.200Nov 2023

All 17 leases in Putnam, West (Duffer), searchable →

Counties

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Finley 74 Unit #1Oilwell Tech & Enhancement Co.CallahanSep 27, 2022—00
Finley 74 #1HOilwell Tech & Enhancement Co.CallahanFeb 14, 2021—00
George #1Probe Exploration CompanyCallahanMar 24, 2009—00
Kordzik #1Probe Exploration CompanyCallahanFeb 1, 2008—00
George 75 #1Charter Petroleum CompanyCallahanMay 7, 1990—00
George 20 #2Charter Petroleum CompanyCallahanAug 16, 1989—00
Finley G #1Smith Pipe of AbileneCallahanMay 14, 1981—00
George a #4Crown Exploration CompanyCallahanJan 22, 1981—00
George a #3Charter Petroleum CompanyCallahanJan 5, 1981—00
Finley E #4Crown Exploration CompanyCallahanNov 14, 1980—00

About this data

Field 73523500 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed from every lease report naming the field, cut at the statewide reported-through month, Apr 2026. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Duffer, is read from the field's name. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/fields/tx/73523500, documented in the API reference.