One trip liner conveyed gravel packing and cementing system

A method for single trip completion of a well in an open hole, comprising:

• performing a gravel packing operation in the well using a work string, and
• after the gravel packing operation, performing a cementing operation in the well using the work string.

A method for single trip completion of a well in an open hole, comprising:

• running a work string into the well,
• using the work string to perform a gravel packing operation, and
• using the work string to perform a cementing operation without removing the work string from the well between gravel packing and cementing.

Apparatus for one trip gravel packing and cementing of a well, comprising:

• gravel packing equipment carried on a work string,
• cementing equipment carried on the work string,
• the gravel packing equipment and cementing equipment selectively operable in response to positioning of the work string in the well without removal of the work string from the well.

A well completion apparatus, comprising:

• an outer assembly comprising a first cementing port and a gravel packing port positioned below the first cementing port, a first inner sealing surface positioned above the first cementing port, a second inner sealing surface positioned below the first cementing port, a third inner sealing surface positioned above the gravel packing port, and a fourth inner sealing surface positioned below the gravel packing port;
• and
• an inner assembly carried within the outer assembly comprising, a port and a seal body extending above and below the port, the seal body forming fluid seals with the inner sealing surfaces.