Special Polymer Dry Powder On-Fly Viscosity Adjustable Fracturing Fluid Technology is a new innovative technology, by upgrading the special polymer dry powder and supporting with efficient on-fly mixing equipment, it can achieve the goal of low cost, low damage, reusable, simple operation and standardized process; especially for operation fluid preparation using flowback fluid with high salinity.
Environmentally Friendly: No oil phase, flow back fluid easy to handle and low treatment cost.
Low Cost: Usage is reduced by 40-60%, Fracturing fluid costs decreased by more than 10%.
Low Damage: Low molecular weight polymer modification, less residues, core permeability damage rate is 30-50% less.
High Salinity Resistance: 5 times higher than that of conventional emulsion, which can achieve the reuse of flowback water and further reduce the operation cost.
High Level Of Automation: On-fly mixing, precise automatic dosing control, liquid viscosity can be adjusted in real time, to achieve the dry powder fracturing fluid supply, distribution and injection.
Providing operation plan, materials, equipment and on-site implementation of integrated technical services.
Reducing cost and increasing efficiency of large-scale fracturing operations in tight oil and gas, shale oil and gas, coalbed methane and other reservoirs.
Case Study 1 – Ordos Basin Deep Extra-low Porosity / Permeability Tight Sandstone Gas Reservoir
Formation depth is 2,755m; logging porosity of 9-14% and permeability of 0.6-1.6 mD;
Minor-small throat size;formation pressure co-efficient is 0.95, temperature is 110℃;
All performances meet or exceed the design requirements;
the usage decreases by 40-50% (0.35-0.4% ratio to achieve 72-87 mPa.s while conventional fluid ratio was 7%),max sand ratio was 30% at 37 - 44 bpm pumping rate; friction reduction rate 75%;
Fracture half length is around 656 ft from real-time monitoring and simulation, which meet the design requirement;
Stable gas production 1,732,538 scf/d (5mm Nozzle) , estimated AOF around 2,472,000 scf/d, which was 3 times of adjacent wells;
Cost reduction was more than 10% compared with the conventional fracturing fluid system.
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