E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/04 (2006.01) E21B 43/14 (2006.01) E21B 43/30 (2006.01)
Patent
CA 2588135
A borehole network including first and second end surface locations and at least one intermediate surface location interconnected by a subterranean path, and a method for connecting a subterranean path between a first borehole including a directional section and a second borehole including a directional section. A directional drilling component is drilled in at least one of the directional sections to obtain a required proximity between the first and second boreholes. An intersecting component is drilled, utilizing magnetic ranging techniques, from one directional section to provide a borehole intersection between the first and second boreholes, thereby connecting the subterranean path.
L~invention concerne un réseau de trous de forage comportant des premier et deuxième emplacements de surface d~extrémité et au moins un emplacement de surface intermédiaire raccordés par un chemin souterrain, et un procédé de raccordement d~un chemin souterrain entre un premier trou de forage comportant un tronçon dirigé et un deuxième trou de forage comportant un tronçon dirigé. Une portion de forage dirigée est forée dans l~un au moins des tronçons dirigés de façon à obtenir une proximité requise entre les premier et deuxième trous de forage. Une portion d~intersection est forée à partir d~un tronçon dirigé à l~aide de techniques de mesure magnétique de distances de façon à former une intersection entre les premier et deuxième trous de forage et à raccorder ainsi le chemin souterrain.
Gil Nestor Humberto
Grills Tracy Lorne
Hay Richard Thomas
Hess Joe E.
Lee Dean
Emery Jamieson Llp
Halliburton Energy Services Inc.
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