Offshore east java has a problem with rancak formation. it’s primarly shale with limestone stringers, shales normally washout and leave in-gauge limestone stringers
15 ppb of FRACSEAL fine was mixed in hi vis sweep by pumping every stand drilled.
Shales were stabilized in this high deviated well. FRACSEAL fine 15 ppb also improve ROP, hole cleaning efficiency and prevent any losses before its started. Torque and drag was sifnificantly reduce and was much lower than seen other wells that were less diviated and then trip out was very smooth.