E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/70
E21B 43/08 (2006.01)
Patent
CA 1136546
ABSTRACT OF THE DISCLOSURE A downhole tool suction screen assembly includes a top screen assembly adapter, a lower screen assembly adapter, and a tubular screen mandrel connected between the top and lower screen assembly adapters. A cylindrical pump screen is disposed about an outer surface of the screen mandrel. A flow tube is disposed concentrically within the screen mandrel. An inner mandrel is disposed concentrically within the flow tube. A seal mandrel engages upper ends of the inner mandrel and flow tube. The seal mandrel also having a central seal man- drel bore communicated with an interior of the inner mandrel and having a longitudinal seal mandrel bore communicated with an annulus between the inner mandrel and the flow tube; and wherein the lower screen assembly adapter includes: a central adapter bore communicated with the interior of the inner mandrel; a first upper counterbore having the lower end of the inner mandrel threadedly received therein; a second upper counterbore communicated with the annulus between the inner mandrel and the flow tube; a longitudinal adapter bore communicating the second upper counterbore with a lower end of the lower screen assembly adapter; a third upper counter- bore having the lower end of the flow tube received therein; a fourth upper counterbore threadedly receiving a lower end of the screen mandrel therein; and a fifth upper counterbore having a lower end of the cylindrical pump screen received therein.
395704
Company Halliburton
Swabey Ogilvy Renault
LandOfFree
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