Oilfield Casing is essentially a large-diameter pipe lowered down into an open hole and then concreted into position. A designer must configure the Oilfield Casing to resist a mixed bag of forces. Collapsing, bursting, tensile failure, not to mention chemically assertive salt-water. For that reason you will find that many casing joints will be made-up by means of male threads on both ends. As well as that, short-length casing connections that have female threads are utilised to link each of the joints of casing together. In addition, joints of casing can also be made-up with male threads toward one end and female threads toward the opposite end.
The reason that Oilfield Casing is run is in order to protect fresh water formations. It is also run to separate a zone of lost returns or single out formations that have critically contrastive force gradients. The term “running pipe” describes the process of placing the Oilfield Casing into the bore of the well. Material used in making the casing is generally ordinary carbon steel. This is made to various strengths by means of heat treatment. There are also special fabrications made up of stainless steel or aluminium, as well as other types of material like titanium and fibreglass. Because Oilfield Casing is that critical you will want to be sure to use a reputable supplier!