WELLHEAD PRODUCTION PUMPING TREE WITH ACCESS PORT

摘要

In an integral production pumping tree, the bottom connection, blow-out preventer, flow tee and top connection are positioned to one side, with the vertical rod bore off-center. Up to three vertical ports are provided in the other side o f the tree, for providing access to the production casing bore for an electric heating strin g, an instrumentation string and a small diameter injection tubing string. The por ts accommodate sealed connection assemblies, from which the strings extend. The upper portion of the other side of the tree is cut away to create space for introducing the connecting assemblies. The tubing hanger is provided with matching bores.