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 - Oct 2025
Total Oil Production10,599 BBLs
Total Gas Production3,388,572 MCF
Recent Oil Production0 BBLs in Oct 2025
Recent Gas Production2,710 MCF in Oct 2025
Wells on Property3

Our Valuation Estimates for Hallmark

ShaleAssessment™

$11,419 *

MarketMultiple™

$14,843 **

* 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 Oct 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, OK36.045395-99.129610
35-043-50121HALLMARK UNIT #1-9DIVERSIFIED PRODUCTION LLCActiveDewey County, OK36.049021-99.127380

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
BlumerDewey County, OK0 BBLs1,379 MCFOct 2025
ColeDewey County, OK0 BBLs0 MCFDec 2019
CutsingerDewey County, OK0 BBLs0 MCFSep 2025
Drennan 15-18-18 1HDewey County, OK180 BBLs1,654 MCFOct 2025
GoreDewey County, OK171 BBLs11,009 MCFOct 2025
HarrietDewey County, OK1,108 BBLs0 MCFOct 2025
HarwellDewey County, OK0 BBLs5,741 MCFOct 2025
HillDewey County, OK185 BBLs4,934 MCFNov 2025
Hunter 7Dewey County, OK0 BBLs1,691 MCFOct 2025
Marion 1-29HDewey County, OK398 BBLs2,405 MCFOct 2025
MercerDewey County, OK0 BBLs5,986 MCFNov 2025
Mercer #2Dewey County, OK0 BBLs6,941 MCFOct 2025
Mercer-HallmarkDewey County, OK0 BBLs22,907 MCFOct 2025
PickeringDewey County, OK0 BBLs0 MCFSep 2007
Pollock 36-25-19-18Dewey County, OK529 BBLs7,874 MCFNov 2025
Roy 26-19-18Dewey County, OK0 BBLs5,936 MCFNov 2025
SealDewey County, OK0 BBLs3,987 MCFOct 2025
Simmons (Dewey County, OK0 BBLs5,986 MCFOct 2025
Terry R NicholsDewey County, OK568 BBLs3,198 MCFOct 2025
Winburn 1Dewey County, OK0 BBLs1,655 MCFOct 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
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
Singer Oil Co LLC
Skycap Energy, LLC
Teocalli Exploration LLC
Unit Petroleum Company
Universal Drilling Company
Xanadu Exploration Company