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| Russian | English |
| башмак последней технической колонны | shoe of the last technical string (ABelonogov) |
| верхняя часть технической колонны | upper part of the technical string (ABelonogov) |
| техническая колонна | intermediate casing (A casing string that is generally set in place after the surface casing and before the production casing. The intermediate casing string provides protection against caving of weak or abnormally pressured formations and enables the use of drilling fluids of different density necessary for the control of lower formations. SLB G Alexander Demidov) |
| техническая колонна | surface pipe (the first string of casing set in a well after the conductor pipe, varying in length from a few hundred feet to several thousand. Some states require a minimum length to protect fresh-water sands. Compare conductor pipe. Bab GofPI Alexander Demidov) |
| техническая колонна | technical string (ABelonogov) |
| техническая обсадная колонна | surface pipe (Alexander Demidov) |
| технические или эксплуатационные колонны | technical or flow strings (ABelonogov) |