Heres the guys that are apparently helping them with the problem http://www.slb.com/I would imagine each case would be different but fixable just a matter of time , perhaps ring Schlumberger ?
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch
TYX Tyranna wraps up lithium drilling in Angola; says looking for other projects with different metals