Optimization of Hydro-Fracturing Fluid for Enhanced Well Performance in Deep Volcanic Gas Reservoir (original) (raw)

Abu Dhabi International Petroleum Exhibition & Conference, 2016

Abstract

The Raageshwari Deep Gas (RDG) field in Barmer Basin was discovered in 2003 by Cairn India. The RDG field has excellent gas quality with low CO2 and no H2S. The average well depth is 3300m with bottomhole pressure of 5500 psi and bottomhole temperature of 123degC – 135 degC. Typical gas production rate is up to 12 MMSCFD with CGR of 50-60 bbl/MMSCF during initial well testing. The field is developed with 3.5" monobore vertical wells suitable for multistage hydraulic fracturing. Hydraulic fracturing treatment is required as thin laminated volcanic comprise most of the reservoir section having permeability of ~ 0.1 mD. Till date, Cairn India the operator has undertaken four hydraulic fracturing campaigns in Raageshwari gas field with over 100 successful fracs pumped in 25 wells. One of the critical components that lead to a successful hydro fracturing job is fracturing fluid. The properties of the fracturing fluid impact the fracture geometry, the proppant pack conductivity, and ...

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