Kovbasiuk, I. M., Martsynkiv, O. B., & Martsynkiv, B. O. (2019). CAUSES OF POOR QUALITY CASING OF DIRECTIONAL WELLS AT THE DRILLING DEPARTMENT «UKRBURGAZ» AND METODS FOR THEIR ELIMINATION. Oil and Gas Power Engineering, (1(31), 26–35. https://doi.org/10.31471/1993-9868-2019-1(31)-26-35