High-density potassium formate fracturing fluids require polymers that hydrate in concentrated brine while providing low friction and proppant suspension at high temperature. We hypothesized that the 2-acrylamido-2-methylpropanesulfonic acid (AMPS) content balances salt-tolerant hydration against molar-mass-dependent c...
To address the difficulty of simultaneously achieving high density, high-temperature stability, low-friction transport, effective gel breaking, low formation damage, and operational reliability in ultra-deep well fracturing, a sodium-formate-weighted non-crosslinked fracturing fluid was developed using a hydrophobi...
J.-V. Liu, Xin Qiao, Jian-Xin Peng et al.· Frontiers in Earth Science· 0 citations
Ultra-deep lattice-like fractured carbonate reservoirs, formed by multi-period tectonic movements, feature strong heterogeneity, multi-scale fracture nesting, and anisotropic in situ stress. However, hydraulic fracture (HF) propagation behaviors within these complex formations remain poorly understood. In this study, u...
Ju Liu, Hui Liu, Deng-Feng Ren et al.· Applied Sciences· 0 citations
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