A well tool assembly comprising: an electric submersible pump, i.e., ESP, (201, 301) configured to be positioned within a wellbore, the ESP configured to rotate in a first direction to pump well fluid in an uphole direction; and a well debris cutting tool configured to be positioned downhole relative to the ESP within the wellbore, the well debris cutting tool configured to rotate in a second direction opposite the first direction, the well debris cutting tool configured to grind debris carried by the well fluid in the uphole direction, wherein the well debris cutting tool comprises a turbine configured to be positioned within the wellbore, downhole relative to the ESP, the turbine configured to rotate in response to flow of the well fluid through the turbine in the uphole direction, a first cutting blade sub-assembly connected to and rotatable by the turbine, the first cutting blade sub-assembly configured to grind the debris in response to being rotated by the turbine, and a second cutting blade sub-assembly connected to and rotatable by the ESP, the second cutting blade sub-assembly being uphole relative to the first cutting blade sub-assembly and downhole relative to the ESP, the second cutting blade sub-assembly configured to grind the debris in response to being rotated by the ESP. an electric submersible pump, i.e., ESP, (201, 301) configured to be positioned within a wellbore, the ESP configured to rotate in a first direction to pump well fluid in an uphole direction; and a well debris cutting tool configured to be positioned downhole relative to the ESP within the wellbore, the well debris cutting tool configured to rotate in a second direction opposite the first direction, the well debris cutting tool configured to grind debris carried by the well fluid in the uphole direction, wherein the well debris cutting tool comprises a turbine configured to be positioned within the wellbore, downhole relative to the ESP, the turbine configured to rotate in response to flow of the well fluid through the turbine in the uphole direction, a first cutting blade sub-assembly connected to and rotatable by the turbine, the first cutting blade sub-assembly configured to grind the debris in response to being rotated by the turbine, and a second cutting blade sub-assembly connected to and rotatable by the ESP, the second cutting blade sub-assembly being uphole relative to the first cutting blade sub-assembly and downhole relative to the ESP, the second cutting blade sub-assembly configured to grind the debris in response to being rotated by the ESP. a turbine configured to be positioned within the wellbore, downhole relative to the ESP, the turbine configured to rotate in response to flow of the well fluid through the turbine in the uphole direction, a first cutting blade sub-assembly connected to and rotatable by the turbine, the first cutting blade sub-assembly configured to grind the debris in response to being rotated by the turbine, and a second cutting blade sub-assembly connected to and rotatable by the ESP, the second cutting blade sub-assembly being uphole relative to the first cutting blade sub-assembly and downhole relative to the ESP, the second cutting blade sub-assembly configured to grind the debris in response to being rotated by the ESP.