which is in substantial alignment with the longitudinal axis of said tubular body member 3 located between the uphole straight portion 8 and the downhole straight portion 9 is an angular profile 10 the angular profile 10 in the preferred embodiment comprises a chevron or v shaped portion having an apex 11 in the preferred embodiment the apex 11 of each angular profile 10 of each blade member 7 are in circumferential alignment referring now to fig3 there is illustrated a cross section view the stabilizer blade area 6 which in the illustrated embodiment comprises three stabilizer blades 7 forming groove portions 13 between the stabilizer blade members 7 for fluid flow on the outside of the blade area 6 passageway 14 allows for the flow of drilling fluids through the tubular member 3 the stabilizer blade members 7 extend radially outward from the axis of the tubular body member 3 each blade member 7 is comprised of a hardfacing surface 12 which is capable of withstanding contact with the wall of the wellbore during drilling operations the hardfacing surface 12 represents the outermost diameter of each blade member 7 as illustrated the hardfacing surface 12 presents an arc shape for conformance with the wall of the borehole the piston elements 5 are located within and along the length of each blade member 7 fig4 illustrates the drilling stabilizer in various functional positions the pumps on u2014 extended operational position is illustrated at 15 in the pumps on u2014 extended operational position drilling fluid from the surface location creates a differential pressure across the internal components.