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VERTECHS WIZARD dissolvable bridge plugs have been run successfully in a major shale gas project in southwestern China. According to Vertechs Oil & Gas Technology Co., the plugs closed up a 21-stage frac in a horizontal well, at a TD of 5,000 m. The bridge plug reportedly does not compromise the needed pressure integrity for isolation at up to 250°F. It achieves a 10,000-psi pressure test, with no need to drill or mill the plug. Unlike conventional, composite bridge plug, PnP operations, the cost and rig time for milling-out is not required, and the related risks are avoided. According to Vertechs, a well is completed with a full-bore access, at a lower cost and in less time, using this dissolvable bridge plug. In the flow-back stage, no dissolvable bridge play components or debris were observed or reported. Image: Vertechs Oil & Gas Technology Co.

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