I COMPANY I SERVICES I PRODUCT CATALOG I NEWS I EVENTS I LOCATIONS I COILED TUBING DATA I CAREERS I SITE MAP I CONTACT	Adjustable Thread-On Casing Head The Select Energy Adjustable Thread-On Casing Head provides a cost-effective method for isolating the production/surface casing annulus. The Casing Head is threaded directly onto the surface casing with either a pin or box-down configuration. Sealing plates provide an annular surface barrier that may be adjusted to seal against the production casing, even in situations where the production casing is not centralized within the surface casing.
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