Hallmark

Oil & Gas Property in Dewey County, OK

  2. Oklahoma
  3. Dewey County, OK
  4. Oil & Gas Properties in Dewey County, OK
  5. Hallmark Oil & Gas Property

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Property Summary

Key data points for Hallmark

CountyDewey County, OK
Production DatesJul 1990 - Feb 2026
Total Oil Production10,734 BBLs
Total Gas Production3,405,556 MCF
Recent Oil Production57 BBLs in Feb 2026
Recent Gas Production4,801 MCF in Feb 2026
Wells on Property3

Our Valuation Estimates for Hallmark

ShaleAssessment™

$10,817 *

MarketMultiple™

$23,829 **

* Assessment based on future expected revenue
** Based on a 36 month multiple of average monthly estimated revenue

Based on a decimal interest

Hallmark Production Graph

Aggregated production of all wells and leases associated with this property
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to oil and gas production for Hallmark
from Jul 1990 to Feb 2026

Wells on Hallmark

API #Well NameOperatorStatusCountyEst. Daily Oil Prod.Est. Daily Gas Prod.Est. Daily Water Prod.LatitudeLongitude
35-043-20187HALLMARK UNIT #1Plugged & AbandonedDewey County, OK36.061301-99.091691
35-043-22548HALLMARK #9-13DIVERSIFIED PRODUCTION LLCActiveDewey County, OK36.045395-99.128444
35-043-50121HALLMARK UNIT #1-9DIVERSIFIED PRODUCTION LLCActiveDewey County, OK36.049011-99.126191

Leases included in Hallmark

Lease #Lease NameOperatorCountyMonthly Oil Prod.Monthly Gas Prod.
043-000670-0-0000HALLMARK UNITDIVERSIFIED PRODUCTION LLCDewey County, OK
043-101236-0-0000HALLMARK 9-13CHESAPEAKE OPERATING LLCDewey County, OK

Operators Associated With Hallmark

Nearby Properties

These are the closest 20 properties to the Hallmark property.

Property NameLocationOil Prod.Gas Prod.Prod. Period
BlumerDewey County, OK0 BBLs1,390 MCFFeb 2026
Calkins-FrazeeDewey County, OK0 BBLs611 MCFFeb 2026
ColeDewey County, OK0 BBLs0 MCFDec 2019
CutsingerDewey County, OK0 BBLs4,690 MCFMar 2026
Drennan 15-18-18 1HDewey County, OK184 BBLs7,521 MCFFeb 2026
EpperlyDewey County, OK0 BBLs5,571 MCFFeb 2026
GoreDewey County, OK0 BBLs15,896 MCFFeb 2026
HarrietDewey County, OK594 BBLs0 MCFMar 2026
HarwellDewey County, OK0 BBLs2,787 MCFFeb 2026
HillDewey County, OK200 BBLs23,149 MCFFeb 2026
Hunter 7Dewey County, OK0 BBLs1,166 MCFFeb 2026
MercerDewey County, OK43 BBLs8,688 MCFFeb 2026
Mercer-HallmarkDewey County, OK0 BBLs39,197 MCFFeb 2026
PickeringDewey County, OK0 BBLs0 MCFSep 2007
Pollock 36-25-19-18Dewey County, OK364 BBLs24,232 MCFFeb 2026
Roy 26-19-18Dewey County, OK159 BBLs7,792 MCFFeb 2026
SealDewey County, OK0 BBLs3,509 MCFFeb 2026
Sue Ellen 16-18-18-1HDewey County, OK372 BBLs0 MCFFeb 2026
Terry R NicholsDewey County, OK591 BBLs2,428 MCFFeb 2026
Winburn 1Dewey County, OK0 BBLs1,218 MCFFeb 2026

Companies in the Area

These are the closest 20 companies operating near the Hallmark property.

Company Name
Atlas Operating LLC
Chesapeake Operating LLC
Concho Exploration Inc
Corlena Oil Company
D & J Oil Company
Diversified Production LLC
DLB Oil & Gas, Inc.
Duncan Oil Properties, Inc.
Harding & Shelton Inc
Hazlewood Oil & Gas Co Inc
Hilliard Oil & Gas, Inc.
Iochem Corporation
Piper Operating LLC
Redline Energy LLC
Sand Creek Resources LLC
Skycap Energy, LLC
Teocalli Exploration LLC
Unit Petroleum Company
Universal Drilling Company
Xanadu Exploration Company