(57) ABSTRACT A System for accessing a Subterranean Zone from the Surface includes a
first, Second and third entry well bore extending from the surface, the first, second and third …

According to one embodiment, a system for accessing a subterranean zone from the surface
includes a well bore extending from the surface to the subterranean zone, and a well bore …

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 …

A method for underground treatment of subsurface materials comprises providing an
injection pattern and a recovery pattern, the injection pattern and the recovery pattern …

A method and system for surface production of gas from a subterranean zone includes
forming a drainage pattern in a subsurface zone. The drainage pattern includes a plurality of …

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 surface production of gas from a subterranean zone includes
lowering reservoir pressure in an area of a subterranean zone having a medium to low …

A drainage system for accessing multiple subterranean zones from the surface includes an
entry well extending from the surface. The system also includes two or more exterior …

A method for accessing a subterranean zone from the surface includes drilling a
substantially vertical well bore from the surface to the subterranean zone and forming a slot …

According to one embodiment, a system for accessing a subterranean zone from the surface
includes a well bore extending from the surface to the subterranean zone, and a well bore …