Hi all,I just want to ask if anybody knows the length of stroke and piston diameter of the top hammer hydraulic rock drills, which are RD 520 (produced by Sandvik), HLX 5 (Sandvik), and DHA 600 S (Tamrock) ? I contacted with many people, but I did not be able to reach the info, Could someone help me about it ?
@okan-su started last year - replies: 0
What are the effects of restricting mud flow at the BHA in order to build say 2000psi over annular? Will we blow a bypass valve at the surface or stall the mud pump? Is this not allowed at all in normal drilling operation?I know mud pulsers do this on a millisecond duration but I am talking about restricting and holding pressure for about a...
@mehdi-mir started last year - replies: 1
A brine of 1.37 SG was pumped in order to complete a well, one hour few hours after, and while cleaning the mud tanks, the brine was found in the bottom of tanks as solid blocks (cristalized) as it is shown on the pictures. Does anybody know what can be the reason of that ?
@lyes-ss started last year - replies: 1
TheStand Pipe Pressure is continuously increasing and is more than the calculated value. Once the tripping is done it falls back for a small amount. But again keeps on rising.Any remedy or any reasons for that.Strainers are being employed
@deepchand-singh-negi started last year - replies: 4