Handling Always make sure that thread protectors are properly in place/fastened. In the event of the drill pipe lacking the thread protectors the pipe should be marked for inspection Care should be taken for special service drill pipe or such equipment with special coatings. Use rope slings to control pipe when off loading by hand. … Continue reading Pipe Handling Procedure
Tag: Drilling Practises
A Guide to Reaming
Always Plan your tripping schedule: Record tight spots from previous trips Know the wellbore geometry; the deviation, doglegs etc. maintain constant communication with your directional personnel. Despite pulling up always be prepared to run downward. This may be needed to free the pipe after a connection. One example is the consistent execution of 200 to … Continue reading A Guide to Reaming
Bottom Hole Assembly (BHA) Configuration
Bottom Hole Assembly (BHA) Configuration There are three (3) types of bottom hole configurations; TYPE I - standard, simple configuration, drill collars and drill pipe only. Neutral point lies within the drill collars. TYPE II – uses the heavy weight drill pipe as a transition between the drill collars and the drill pipe. Weight on … Continue reading Bottom Hole Assembly (BHA) Configuration
Straight Hole Drilling
Straight Hole Drilling A perfectly straightly hole would be almost if not downright impossible to obtain. Too many factors cause deviation. The purpose of the appropriate assembly is to mitigate or control deviation. Why drill straight; To not drift the well into another block To ensure drilling into another pay-zone To conform to legal requirements … Continue reading Straight Hole Drilling
Rotary Assemblies
Rotary Assemblies Usually used where formations are predictable and rig economics are an issue. In such an assembly the weight of the drill collar gives the bottom hole assembly the tendency to sag or flex to the low side of the hole, collar stiffness length and stabilizer diameter and placement are engineered as a means … Continue reading Rotary Assemblies