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Hydraulic fracturing (HF) events consume high volumes of water over a short time. When groundwater is the source, the additional pumping by rig/frack supply wells (RFSWs) may impose costs on owners of other sector wells (OSWs) by lowering the hydraulic head. The Carrizo–Wilcox aquifer in south Texas is the main source of water for HF of the Eagle Ford Shale (EFS) Play. The objectives are to assess...
Laparoscopic repair of perforated duodenal ulcers has proven superior results to open procedures though uptake has been poor. We describe the ‘three arches’ technique as a means of reducing technical difficulty and improving operative efficiency. Our case series of patients undergoing this technique for perforated peptic ulcer disease demonstrates comparable results to other methods of repair.