In accordance with one embodiment of the present invention, a method for drilling wellbores
includes drilling a main wellbore, disposing a casing string having a deflecting member at a …

In accordance with one embodiment of the present invention, a method for drilling wellbores
includes drilling a main wellbore and disposing a casing string in the main wellbore. The …

4,626,075 A 12/1986 Chemla 4,726,010 A 2f1988 Ali et al. 5,170,273 A 12, 1992 Nishio 5,
191,457 A 3, 1993 Yamazaki 5, 194977 A 3, 1993 Nishio 5,319,484 A 6, 1994 Jacob et al …

A method for circulating drilling fluid in a well system includes drilling a substantially vertical
well bore from a surface to a subterranean zone and drilling an articulated well bore from the …

A method and system for accessing subterranean resources from a limited surface area
includes a first well bore extending from the surface to the target zone. The first well bore …

A method and system for accessing subterranean resources from a limited surface area
includes a first well bore extending from the surface to the target zone. The first well bore …

A system for accessing a subterranean zone from the surface includes an entry well bore
extending down from the surface. A plurality of slanted well bores extend from the entry well …

A method for removing fluid from a subterranean zone includes drilling a well bore from a
surface to the subterranean zone and forming an enlarged cavity in the well bore such that …

An apparatus and method for fault detection and isolation in an optical network is disclosed
in which each node determines an appropriate response to a line fault or an equipment fault …

The present invention aims to provide a WDM optical communication system that can
arrange efficiently optical signals of a plurality of bit rates at different wavelength spacing. To …