Patent ID: 8246052

Claim:
A bag seal assembly for use in a downhole submersible pumping system, the bag seal assembly comprising: a seal bag, wherein the seal bag includes: a first end; a second end; and wherein each of the first end and second end includes: a first surface; a second surface; and a plurality of fastening holes; a bag support tube extending through the seal bag, wherein the bag support tube is capable of housing a shaft that extends through the bag assembly; a first and second fastening assembly, wherein the first fastening assembly, and second fastening assembly are each used to secure a corresponding one of the first end and the second end of the seal bag, and wherein each of the first fastening assembly and the second fastening assembly includes: a first ring positioned over the bag support tube and adjacent to the first surface and having a plurality of first ring fastening bores extending through the first ring, wherein the plurality of first ring fastening bores are aligned with the plurality of fastening holes; a second ring engaged positioned over the bag support tube and adjacent to the second surface and having a plurality of second ring fastening bores extending at least partially through the second ring, wherein the plurality second ring fastening bores are aligned with the plurality of fastening holes; a plurality of fastening members positioned within the plurality of fastening holes, the plurality of first ring fastening bores and the plurality of second ring fastening bores; a first gasket positioned between the first ring and the first surface; a second gasket positioned between the second ring and the second surface; a plurality of dowel pins connected to both the first and second ring; and a plurality of locking fasteners, wherein each of the plurality of locking fasteners is engaged with a corresponding fastening member; and wherein the bag support tube further includes a shoulder and the engagement of the first ring of the fastening assembly on the support tube is limited by contact between the first ring and the shoulder.