How To Choose Right OCTG Tubular Goods For Your Well

Improper selection of casing & tubing will bring hidden risks. Here are key factors to select suitable OCTG products for your drilling project.

Improper selection of oil‑field tubular goods may cause well‑safety risk and extra cost loss.

Several main factors should be taken into consideration: well depth, working pressure, formation medium such as hydrogen sulfide, thread type and wall thickness.

For shallow normal wells, K55 or N80‑1 are cost‑effective options. For sour‑gas wells, L80 series is more recommended. Thread options include short round thread, long round thread, buttress thread and premium connection.If you are confused about specification selection, our technical team can provide professional suggestion according to your well data.