What Is Frac (Hydraulic Fracturing)?
Hydraulic fracturing — commonly called fracking or frac — is the process of pumping fluid mixed with proppant (typically sand) at high pressure into a wellbore to create fractures in underground rock formations, allowing trapped oil and natural gas to flow to the wellbore. Hydraulic fracturing is the technology that unlocked unconventional shale resources in the United States, transforming the country into the world's largest oil and gas producer.
How Does Hydraulic Fracturing Work?
A typical frac job involves:
- Pumping water-based fluid at 5,000–10,000+ PSI down the wellbore
- The pressure exceeds the rock's fracture gradient, creating fractures extending tens to hundreds of feet into the formation
- Proppant (sand or ceramic beads) is pumped into the fractures to hold them open
- After pumping, the well is "flowed back" to recover frac fluid and begin producing hydrocarbons
- Modern horizontal wells are fractured in 20–60+ stages along the lateral, with each stage isolated by plugs
Key Frac Design Parameters
- Proppant volume: Pounds of sand per foot of lateral (typically 1,500–3,000+ lbs/ft)
- Fluid volume: Barrels of water per stage
- Pump rate: Barrels per minute during treatment (typically 60–100 BPM)
- Stage count: Number of frac stages along the lateral
- Cluster spacing: Distance between perforation clusters within each stage
- Treating pressure: Wellhead pressure during pumping
How AI Optimizes Frac Design
AI analyzes completions data across hundreds of wells to correlate frac design parameters with production outcomes. Collide's benchmarking workflow helps operators identify which designs produce the best results in specific formations and areas — reducing the guesswork in completions optimization.