| 摘要 |
A christmas tree of an oil or gas well is described, comprising a tree body having a production bore and a lateral branch having a branch bore forming part of a first flowpath to and from the production bore, a choke body disposed on the lateral branch, the choke body having a choke bore communicating with the branch bore to form a part of the first flowpath or a second flowpath with an export line; and a diverter having an internal passage, a part of the diverter being locatable in a diverter bore either in the lateral branch or choke body, the internal passage communicating with either the first or second flowpaths via the diverter bore. |
