E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/16 (2006.01) E21B 7/18 (2006.01) E21B 43/25 (2006.01)
Patent
CA 2122163
There is described an improved apparatus and method of treating a section of unlined well bore comprising the steps of establishing a flow path from the top of the well bore to a location opposite the section of unlined well bore to be treated, pumping an erosive fluid through the flow path at a predetermined rate and pressure, directing a stream of the erosive fluid against a surface of the section of well bore to be treated to cause the initiation of a cut thereinto, and moving the stream of erosive fluid past a length of the surface to be treated to extend the cut formed therein in the direction of movement of the stream.
Appareil amélioré et méthode pour traiter une section de forage non tubé comprenant les étapes suivantes: établir un chemin d'écoulement de la tête du forage à un endroit à l'opposé de la section de forage non tubé à traiter, pomper un liquide érosif dans le chemin d'écoulement selon un débit et une pression prédéterminés, diriger un flux de liquide érosif contre une surface de la section de forage à traiter pour y causer le début d'une entaille, et déplacer le flux de liquide érosif passé une longueur de la surface à traiter pour étendre l'entaille formée dans le sens d'avancement du flux.
Best Jim Edward
Smith Donald A.
Canadian Fracmaster Ltd.
Moffat & Co.
LandOfFree
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