The casing spool represents the upper resting place of a casing string. The spool forms part of the wellhead assembly, specifically it facilitates the casing string resting there, its load being distributed to and supported by the ground. The casing hanger sits within the casing spool's bowl, with it resting on the load shoulder. Casing … Continue reading Casing & Tubing Spool
Primary seating and sealing is accomplished by the hanger in the bowl. This hanger grips the casing string and transfers the weight via the casing head shoulder to the first string casing and on to the ground. The casing hanger sits here when the casing is landed, now this does not necessarily mean that the … Continue reading Casing Head & Baseplate (Pt. 2 of 2)
This is the process whereby the fissures and existing cracks within a geological formation are expanded and enlarged by the application of pressure. The process seeks to increase the permeability of fluid bearing rocks so as to increase the flow of the fluids through it. The process is employed within the oil and gas sector … Continue reading Fracking (Pt. 1)
Casing Flow; means that the producing fluid flow has only one path to the surface through the casing. Casing and tubing Flow; means that the there is tubing within the casing that allows fluid to reach the surface. This tubing can be used as a kill string for chemical injection. The tubing may have … Continue reading Conventional Completions