Wellhead tubing and casing packer and installation and...

Details Wellhead tubing and casing packer and installation and... Wellhead tubing and casing packer and installation and...

E - Fixed Constructions

21

B

166/52, 166/66

E21B 19/00 (2006.01) E21B 33/068 (2006.01)

Patent

CA 1285864

ABSTRACT In the area of oilfield wellhead equipment, and specifically the wellhead valve known as the master valve on the wellhead array, a novel packer is described which can be put into place in a section of well tubing or casing close to the master valve using a novel tool. This packer will isolate the master valve from the well fluids and pressure, allow it to be taken off and replaced, or other equipment to be installed in its place, and also allow the master valve, its connections, or other equipment thus put on the well, to be pressure tested prior to removing the packer from the well tubing or casing and restoring the gas or fluid pressure to the wellhead array.

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