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10 Golden Rules for setting Down Hole Tools
Schlumberger Private
10 Golden Rules
for setting
Down Hole Tools
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
1-Job Preparation Find out Casing Size and weight (Tool Dressing) Depth and Temperature (Rubbers & O-rings) Tubing Size, Weight & Thread type (X-over & Drill
Collars) Type of Job Fishing Diagram Back up (Spare elements, O-rings, Slips, ) Best
is to have a second tool ready to go Function Test Pop Joints (Avoid long stick ups) Physical Check (X-over) Scraper run, Perforations blur will damage the
elements
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
2- Never hang a String with a loose connection
Specially while hanging a heavy string down-hole (Hurricane/ DLT jobs)
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
3- Minimum Left Hand Turns Never exceed 3 left hand turns While unlatching RBP start with 1 turn and
proceed with 1/4 turns If failed after 3 left hand turns do 5 right hand
turns and repeat Exception: Storm Valve
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
4- Surface Handling Never put slips around packer body Connect a 5 Pop Joint on top of the tool
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
5- Signals At The Tool Signals at surface may differ from signals the
tool receives down-hole Send Big Signals specially in deep/ deviated
wells To make sure Positrieve safety position pick
up as much as derrick lets
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
6- Up Weight & Down Weight Record and mark up weight and down weight
of the string and the distance between them before trying to set the tool
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
7- Dont Rely On Your Memory Write down all steps of the job in a tally book
and take it during the job Mark setting depth and other important points
on the tubing record all job data
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
8- Have Your Eyes On the Weight Indicator
M/D is the only indicator in setting a tool Notice and record all changes on M/D during
the job
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
9- Tight Top To Down Tightening a connection on the rig floor may
unscrew upper connections While tightening a string mark and have your
eyes on upper joints
10 Golden Rules for setting Down Hole Tools
Schlumberger Private
10- Let the elements relax As soon as the tool is unset before pulling up
let the rubber elements relax for 5 to 10 minutes.
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