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Prime Downhole Manufacturing

Prime Downhole Manufacturing is a Houston, Texas-based provider of engineering and precision machining services to the Oil & Gas industry, with a focus today on downhole products. Prime began operations in late 2015 and the Company’s current product offerings include contract machining of downhole tools and the manufacturing of bearings, PDC bits, and eccentric and concentric reamers. Prime also manufactures and repairs breakout machines and bucking units for assembling and disassembling threaded connections. Prime’s customer base includes onshore and offshore oilfield service (OFS) providers.

https://vikingpt.com/
Initial Investment: 2018
Realized Date: December 2025
  • Linn Energy, LLC
  • Broken Oak Investments LLC
  • Moriah Henry Partners
  • Double Eagle Energy Permian
  • Mavros Minerals II
  • Nadel and Gussman NV, LLC
  • Atlas Energy Resources, LLC
  • PetroEdge Energy IV
  • Post Oak Minerals I
  • Ichthys Energy Partners
  • Quantent Energy Partners, LLC
  • Oryx Midstream Services II
  • Chaparral Energy
  • UpCurve II
  • Cornerstone Petroleum Resources
  • SandRidge Energy, Inc.
  • Crown Oil Partners IV/ BC Operating
  • Breitburn Energy Partners L.P.
  • National Specialty Alloys
  • PetroEdge Energy III
  • Bayou Well Services
  • UpCurve Energy
  • Richland-Stryker Generation, LLC
  • Tiburon Oil & Gas Partners, LLC
  • Prime Downhole Manufacturing
  • Oryx Midstream Services
  • Permian Resources
  • EV Energy Partners
  • Tri-C Energy Partners, LLC
  • Core Minerals Management II
  • Refinery Specialties, Inc.
  • Petro Peak Energy
  • Mavros Minerals
  • Post Oak Minerals V
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  • RAM Energy Resources
  • Sierra EF, LP
  • Midway Energy Partners
  • Maverick Brothers Energy
  • Crown Oil Partners VI/ BC Operating
  • Switchgrass E&P, LLC
  • Post Oak Minerals III
  • Crown Oil Partners V/ BC Operating
  • CPX Piceance, LLC
  • Rimrock Resource Operating
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  • Balcones Energy Holdings
  • Post Oak Minerals II

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