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Casing Head
In oil drilling, a casing
head is a simple metal flange welded or screwed to the top of the conduit or casing that forms part of the wellhead system of an oil well.
Product Description
1. The
casing head is a component connecting the
casing and various wellhead devices. To support the gravity of the technical casing and reservoir casing, to seal the annular space between each casing, to provide a transition connection for the
installation of upper wellhead devices such as bop, tubing head and tree, and through the two side openings in the casing head body, to perform the cementing, monitoring well sinking, and
injection balancing operations.
2. The casing head produced
by our company is a standard structure, and the casing hanger of our company is installed in the shell, and the casing hanger of different sizes and specifications can be selected according to
the casing program and wellhead conditions. The upper part of this body is either an API 6B flange or an API 6BX flange. Bushing head side wing valve configuration, according to the user needs to
design;
Casing Head Options
A. The lower part of the
casing head can be the API standard round thread casing master connection or API standard partial trapeziform casing thread master connection, or the plug-in type casing connection or the slip
type casing connection.
B. Welded support chassis
can be provided.
C. There are two types of
side outlet: pipe thread type and wire type. The threaded side port is machined with ri2/1 "female thread of valve changer.
D. W type casing hanger,W
type casing hanger,WD type casing hanger
E. Threaded or welded bottom
connection casing head
4. According to the number
of suspended casing layers, it can be divided into single-stage casing head, double-stage casing head and three-stage casing head; The single-stage casing head is generally used in low pressure
shallow formation production Wells. The double-stage casing head is suitable for most of the areas where the formation pressure is relatively clear, with more usage. Three-stage casing head is
usually used in high pressure deep well or exploration well.