The ornamental design for a combinederectablehydraulicdrillingrig and transport trailer, as shown and described.
FIG. 1 is a left side perspective view of a combined erectable hydraulic
drilling rig and transport trailer showing my new design;
FIG. 2 is a right side perspective view thereof;
FIG. 3 is a left side elevational view with the drilling rig in transport
position and the deck surrounding the top portion of the rig removed for
ease of illustration, the opposite side being substantially identical.
The undisclosed bottom of the combined erectable hydraulic drilling rig and
transport trailer is plain and unornamented.