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井内钻探设备
Casing Head
Upper Flange Dimensions: 21-1/4"×5000Psi (BX165) flange connection, suitable for suspending 20" casing, with 2 cementing spare passages and plugs.
Lower Connection: Reverse slip connection for 20" casing.
Side Outlet: 2-1/16" threaded outlet.
Rated Temperature: -29°C～121°C (P-U grade)
Product Specification Level: PSL2
Performance Requirement Level: PR1
Rated Material Level: DD-1.5
Forging Requirement: Integral forging.
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