Mark 4-9F #4TFH | API # 33-105-03121

Well Summary
Well Name: Mark 4-9F #4TFH
API #: 33-105-03121
Operator: Devon Energy Williston, L.L.C
County: Williams County, ND
Production Dates on File: January 2019 to October 2025

676 Barrels of Oil Produced in Oct 2025

3.9 k MCF of Gas Produced in Oct 2025

Map of Mark 4-9F #4TFH
Mark 4-9F #4TFH Well Details
Well NameMark 4-9F #4TFH API No.33-105-03121 Well DirectionH
OperatorDEVON ENERGY WILLISTON, L.L.C Lease No. Field / Formation
Well StatusActive Well TypeOil & Gas Township Range Section154 N 100 W 4
Derrick ElevationMembers Only Kelly Bushing ElevationMembers Only Drillers Total DepthMembers Only True Total DepthMembers Only
CountyWilliams County, ND Closest CityWilliston Latitude / Longitude48.196497, -103.558067
Permit DateMembers Only Spud DateMembers Only Completion DateMembers Only Plug DateMembers Only
Oct 2025 Oil ProdMembers Only Oct 2025 Gas ProdMembers Only Total Oil ProdMembers Only Total Gas ProdMembers Only
First Production Date on FileJanuary 2019 Most Recent Production Date on FileOctober 2025
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