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 - Dec 2025
Total Oil Production10,599 BBLs
Total Gas Production3,393,792 MCF
Recent Oil Production0 BBLs in Dec 2025
Recent Gas Production2,629 MCF in Dec 2025
Wells on Property3

Our Valuation Estimates for Hallmark

ShaleAssessment™

$11,082 *

MarketMultiple™

$13,710 **

* 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 Dec 2025

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 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
BartenbachDewey County, OK162 BBLs3,518 MCFDec 2025
BlumerDewey County, OK0 BBLs1,467 MCFDec 2025
Calkins-FrazeeDewey County, OK0 BBLs421 MCFDec 2025
ColeDewey County, OK0 BBLs0 MCFDec 2019
CutsingerDewey County, OK0 BBLs5,654 MCFDec 2025
EpperlyDewey County, OK0 BBLs1,071 MCFDec 2025
GoreDewey County, OK160 BBLs10,772 MCFDec 2025
HarrietDewey County, OK673 BBLs0 MCFJan 2026
HarwellDewey County, OK0 BBLs6,589 MCFDec 2025
HillDewey County, OK178 BBLs4,986 MCFDec 2025
Hunter 7Dewey County, OK0 BBLs1,211 MCFDec 2025
Marion 1-29HDewey County, OK369 BBLs3,052 MCFDec 2025
MercerDewey County, OK188 BBLs5,557 MCFDec 2025
Mercer-HallmarkDewey County, OK0 BBLs18,394 MCFDec 2025
PickeringDewey County, OK0 BBLs0 MCFSep 2007
Pollock 36-25-19-18Dewey County, OK364 BBLs8,773 MCFDec 2025
Roy 26-19-18Dewey County, OK0 BBLs5,796 MCFDec 2025
SealDewey County, OK0 BBLs4,259 MCFDec 2025
Terry R NicholsDewey County, OK579 BBLs3,022 MCFDec 2025
Winburn 1Dewey County, OK0 BBLs1,622 MCFDec 2025

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
Ovintiv Mid-Continent Inc.
Piper Operating LLC
Sand Creek Resources LLC
Skycap Energy, LLC
Teocalli Exploration LLC
Unit Petroleum Company
Universal Drilling Company
Xanadu Exploration Company