Herianto, Assoc. Prof. Petroleum Engineering Dept, UPN Veteran Yogyakarta, Yogyakarta 55283, Indonesia

• European Journal of Applied Sciences Vol. 9 No. 5 (2021): European Journal of Applied Sciences - Articles
  Optimization Rate Of Penetration In Directional Drilling With Adjustable Bit Rotating and Hydraulic Hole Cleaning
  Abstract  PDF