Wells – Processes – Cementing – plugging or consolidating
Patent
1997-03-17
1999-04-27
Neuder, William
Wells
Processes
Cementing, plugging or consolidating
166313, E21B 3310
Patent
active
058969276
ABSTRACT:
The present invention provides methods of stabilizing the portion of an open-hole lateral well bore adjacent to and extending a distance from the junction of the lateral well bore with a primary well bore to prevent erosion and deformation of the lateral well bore during subsequent drilling and other operations. The methods basically comprise introducing a cement slurry into the portion of the lateral well bore adjacent to and extending a distance from the aforesaid junction under hydraulic pressure whereby the cement slurry enters voids and pore spaces in the walls of the well bore, allowing the cement slurry to set into a hard mass in the lateral well bore and then drilling excess set cement out of the lateral well bore. The stabilization ensures that when a liner is cemented in the lateral well bore, the junction between the liner and the casing in the primary well bore is sealed.
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Roth Thomas M.
Salim Khalid
Dougherty, Jr. C. Clark
Halliburton Energy Service,s Inc.
Neuder William
Roddy Craig W.
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