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Haynesville Shale

Haynesville Shale News

Haynesville Shale Well Completion Trend

Haynesville Shale Rig Data: July 30, 2026

Haynesville Shale Overview

Sandwiched between the also unconventional Cotton Valley, Bossier and Smackover formations, the Haynesville Shale is one of the most notable plays along the U.S. Gulf Coast. In addition to its overall size, the Haynesville is known for its high porosities. That makes directional drilling and hydraulic fracturing popular avenues for tapping into its gas reserves.

Geology

The Upper Jurassic (Kimmeridgian to Lower Tithonian) Haynesville and Bossier Shales of East Texas and northwest Louisiana are currently one of the most important shale-gas plays in North America, having high IPs, steep decline…