Low Molecular Synthetic Polymer Fracturing Fluid

1. System Characterizations

This system is a type of acidic crosslinking system based on low molecular synthetic polymer thickener. It owns the features of high proppant carrying capacity, no residual, low surface tension, low friction, and low damage to fracture conductivity as well as easy mixing.

2. Property Indices

Items	Product Indices
Base fluid apparent viscosity, mPa.s	20~75
Crosslinking time, s	60~300
Temperature tolerance，℃	≤200
Gel apparent viscosity, mPa.s	≥50
Matrix permeability damage ratio, %	≤30
Viscosity of broken gel, mPa.s	≤5.0
Surface tension, mN/m	≤28.0
Interface tension, mN/m	≤2.0
Residual content, mg/L	≤100
Friction reduction ratio, %	≥50
Compatibility	No precipitate; no flocculation

3. Application for Treatment

Make the fracturing based fluid according to the fracturing fluid design, and add PH controller after sufficient swelling, and then add crosslinker into the base fluid according to design to form the crosslinked fracturing gel, and then mix the fluid system with proppant in the blending unit according to pumping schedule for treatment execution.