3 Semester Credit Hours Prerequisites: PETR majors only; 3.0 TTU GPA; C or better in PETR 3303, PETR 3103, PETR 3306. Corequisite PETR 4303, PETR 3105; GEOL 4334; ENCO 3350. Rotary drilling, well completion practices, including casing, cementing, hydraulics, perforating and workover design. Design and use of equipment. (Design Course)