Shale tech commercialised

US-BASED firm WellDog has launched its Shale SweetSpotter technology which detects, identifies and quantifies hydrocarbons in shale oil and natural gas wells following trials with Shell in the Marcellus Shale over the past two years, and the technology could ultimately help development of Australia's undeveloped shale resources.

The downhole service uses lasers and sophisticated detectors to identify the locations where hydrocarbons occur in vertical pilot and appraisal wells, the company said, helping producers focus on

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