A method for drilling wellbores, the method comprising: inserting into a first drill string section (26, 26C) having a bore of a first diameter a first centralizer (28, 28C) and a downhole probe, the first centralizer (28, 28C) extending between a wall of the bore of the first drill string section (26, 26C) and the downhole probe and thereby mechanically coupling the downhole probe to the first drill string section (26, 26C) and supporting the downhole probe centralized in the first drill string section (26, 26C); coupling the first drill string section (26, 26C) to a drill string comprising a first drill configured to drill at a third diameter and extending a wellbore with the first drill; removing the first drill string section (26, 26C) from the wellbore and removing the downhole probe from the first drill string section (26, 26C); characterized by inserting into a second drill string section (26, 26B) having a bore of a second diameter different from the first diameter a second centralizer (28, 28B) and the downhole probe, the second centralizer (28, 28B) extending between a wall of the bore of the second drill string section (26, 26B) and the downhole probe and thereby mechanically coupling the downhole probe to the second drill string section (26, 26B) and supporting the downhole probe centralized in the second drill string section (26, 26B); and coupling the second drill string section (26, 26B) to a drill string comprising a second drill configured to drill at a fourth diameter and further extending the wellbore with the second drill; wherein: inserting the downhole probe into the first drill string section (26, 26C) comprises engaging a first axial support (40, 40C) coupled to the downhole probe with a first landing in the first drill string section (26, 26C); the method comprises, before inserting the downhole probe into the second drill string section (26, 26B), interchanging the first axial support (40, 40C) for a second axial support (40, 40B) dimensioned to engage a second landing in the second drill string section (26, 26B); and inserting the downhole probe into the second drill string section (26, 26B) comprises engaging the second axial support (40, 40B) with the second landing. inserting into a first drill string section (26, 26C) having a bore of a first diameter a first centralizer (28, 28C) and a downhole probe, the first centralizer (28, 28C) extending between a wall of the bore of the first drill string section (26, 26C) and the downhole probe and thereby mechanically coupling the downhole probe to the first drill string section (26, 26C) and supporting the downhole probe centralized in the first drill string section (26, 26C); coupling the first drill string section (26, 26C) to a drill string comprising a first drill configured to drill at a third diameter and extending a wellbore with the first drill; removing the first drill string section (26, 26C) from the wellbore and removing the downhole probe from the first drill string section (26, 26C); characterized by inserting into a second drill string section (26, 26B) having a bore of a second diameter different from the first diameter a second centralizer (28, 28B) and the downhole probe, the second centralizer (28, 28B) extending between a wall of the bore of the second drill string section (26, 26B) and the downhole probe and thereby mechanically coupling the downhole probe to the second drill string section (26, 26B) and supporting the downhole probe centralized in the second drill string section (26, 26B); and coupling the second drill string section (26, 26B) to a drill string comprising a second drill configured to drill at a fourth diameter and further extending the wellbore with the second drill; wherein: inserting the downhole probe into the first drill string section (26, 26C) comprises engaging a first axial support (40, 40C) coupled to the downhole probe with a first landing in the first drill string section (26, 26C); the method comprises, before inserting the downhole probe into the second drill string section (26, 26B), interchanging the first axial support (40, 40C) for a second axial support (40, 40B) dimensioned to engage a second landing in the second drill string section (26, 26B); and inserting the downhole probe into the second drill string section (26, 26B) comprises engaging the second axial support (40, 40B) with the second landing. inserting the downhole probe into the first drill string section (26, 26C) comprises engaging a first axial support (40, 40C) coupled to the downhole probe with a first landing in the first drill string section (26, 26C); the method comprises, before inserting the downhole probe into the second drill string section (26, 26B), interchanging the first axial support (40, 40C) for a second axial support (40, 40B) dimensioned to engage a second landing in the second drill string section (26, 26B); and inserting the downhole probe into the second drill string section (26, 26B) comprises engaging the second axial support (40, 40B) with the second landing.