| http://www.w3.org/ns/prov#value | - e liner into place in the well bore and there expanding the liner into sealing or lining position with the Walls of the well bore or the casing, as the case may be, Figure 5 illustrates a modified expansible liner constructed in accordance with the invention, Figure 6 illustrates a further modified form of expansible liner constructed according to the invention, 1 Figure 7 is a diagrammatic, side
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