Imiphongolo ebalulekile

I-Core Barrels KR isetshenziselwa ukusika indandatho ye-anxusa edwaleni noma ukhonkolo (ukhonkolo we-alsoreinforceced). Isikhungo esiphakathi kwesinye isikhathi siphukile nge-chisel, i-rock auger noma isiphambano - umsiki. Inzuzo ye-Core Barrel iyinhlangano yokuqoqwa kwesixuku kanye ne-torque ngendandatho encane yamazinyo ukusika. I-Diameter Series Core Barrels Qondanisa namashubhu okudala. Okunye ubude namawazi kungahlinzekwa ngesicelo. Izinsimbi zinamanani alinganiselwa.