Abstract: A low drag flotation system for placing screens in horizontal wells is provided which includes a screen exterior to the washpipe to be placed for sand control, and hydraulically actuated valves for trapping air within the washpipe. The air in the washpipe creates a buoyancy force that decreases the drag force of the pipe string in the horizontal well, allowing it to move further down the well under its own weight. As a result, screens can be placed in longer lengths of horizontal wells to maximize oil and gas production.

Abstract: An upper-completion single trip system is described which includes a hydraulic internal seal receptacle assemble. The HISR assembly includes an overshot assembly selectively connected to a mandrel assembly. Once fully actuated, relative axial motion therebetween is allowed, which provides a spacer apparatus for the tubing above and below the HISR assembly. A shearable anchor latch as well as an indexing mule shoe are also provided in the HISR system, which allow multiple completion steps to be performed in a single trip. The HISR system is particularly well-suited for installation of permanent downhole gauges or intelligent systems—installations where rotation of pipe is prohibited. The system is also particularly well-suited for submersible pumps. A method of performing multiple completion activities in a single trip is also described.

Abstract: A low drag flotation system for placing screens in horizontal wells is provided which includes a screen exterior to the washpipe to be placed for sand control, and hydraulically actuated valves for trapping air within the washpipe. The air in the washpipe creates a buoyancy force that decreases the drag force of the pipe string in the horizontal well, allowing it to move further down the well under its own weight. As a result, screens can be placed in longer lengths of horizontal wells to maximize oil and gas production.

Abstract: A method for completing a well in a single trip is described, which includes inserting a completion tool assembly into the wellbore. The completion tool assembly includes a gravel packing assembly having a central channel substantially therethrough and a service tool assembly slidably positioned within the central channel. The service tool includes a pressure pulsating rotating jetting tool, connectable to a washpipe via a differential valve. By selectively dropping a plurality of plugging devices into the completion tool, multiple operations may be selectively performed in the wellbore in a single trip. In this way, the gravel packing and stimulating operations may be performed by a single completion tool assembly in a single trip into the wellbore, thus reducing the cost and time for performing the gravel packing and stimulating operations.