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Bone Spring

Bone Spring News

Bone Spring Well Completion Trend

Bone Spring Rig Data: July 31, 2026

Bone Spring Overview

What is the Permian Bone Spring?

The Bone Springs horizontal oil play in the Delaware Basin, including the Avalon/Leonard Shale, spans from southeast New Mexico into west Texas. Drilling has revived since early wells spud ten years ago, but upside is limited for most E&Ps. Stacked, multi-pay reservoirs, each with diverse rock properties, introduce upside potential but also complexity.

The Bone Spring series includes first, second and third Bone Spring sands and corresponding carbonates, and the shallower Avalon Shale, which also stands on its own as…