Keystone's history is rooted in upstream oil & gas with a wide range of experience from the design of offshore platforms/facilities to unconventional oil & gas developments in shale regions across the United States.

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Gas Production Facilities
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Compressor Stations
Cryogenic Plants
Amine Treating/Regeneration
Well Pad Design
LNG Terminals
Liquid Production Facilities
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Condensate/Oil Stabilizatoin
Oil Processing
Liquid Storage
Well Pad Design
NGL Storage
Truck Loading/Offloading
Central Tank Batteries
Enhanced Oil Recovery (EOR)
Deepwater & Subsea
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Topside Production Facilities and Structures
Production Modules
Field Development Planning
Floating LNG
Deepwater Risers and Flowlines
Subsea Pipelines
Subsea Production Systems, Processing, Metering, and Tieback
Flow Assurance
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Test and Production Facilities
Pipelines and Risers
Power Generation and Utility Systems
API 14C Audits and Reviews
SEMS Documentation
Platform and Pipeline Abandonment/Removal
Water Treatment
Gas Compression and Injection Systems




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