Backoff, LLC

Gregory LaFleur

Brian Alfred Williams

The invention discloses a test joint assembly for testing subsea BOP stack valves and annulars in one trip. The test joint assembly has an outer mandrel and a telescopically extendable inner mandrel. The inner mandrel seals against a bottom sub member using a bullnose sealing member.

Blowout preventer test joint assembly for testing variable bore rams, shear rams and annulars

Blowout preventer test joint assembly, for testing variable bore rams, shear rams, and annulars

A blowout-preventer-stack one-trip test tool and method providing a solid test pin for sealing the test plug in the wellhead, a running tool for securely placing, separating from, reattaching, and removing the solid test pin, testing all fixed and variable rams and annulars and testing all blind and shear rams without damage to pipe, in one trip, and a fail-safe secondary provision for removing the solid test plug on a second trip with an emergency retrieval tool if necessary.

Growing community of inventors

Sulphur, LA, United States of America

Gregory LaFleur