ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,940, issued on Sept. 30, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Pressure bulkhead" was invented by Andrew Prisbell (Sugar Land, Texas), Erick Lowe (Houston), Bhagyashri Walse (Dhanori, India) and Jay Garza (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A perforation tool, and a bulkhead member for a perforation tool, are disclosed. The perforation tool has a loading tube, an initiator module, and a bulkhead member connected between the loading tube and the initiator module. The bulkhead member has a hollow body member with a central transverse plate having a central bore through the transverse plate along a lon...