hat
Nan bokal anba, aplike yon chaj konpresyon bokal la nan excès de anviwònman an desann-obtenir. Sa a pral lage Obtenir la mekanik ak kòmanse reta sekans nan idwolik. Apre peryòd la reta, bokal la pral lage, sa ki lakòz yon enpak anba jayi. Poze egzèsis fisèl wi la ...
eng
To jar downward, apply a compression load to the jar in excess of the down-latch setting. This will release the mechanical latch and initiate the hydraulic delay sequence. Following the delay period, the jar will release, causing a downward jarring impact. Raising the drill string wi...