Sunday, March 6, 2016

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اهم معلومات يجب ان تعرفها قبل التقديم فى وظيفه mud logging

بسم الله الرحمن الرحيم

اهم معلومات يجب ان تعرفها قبل التقديم فى وظيفه Mudlogging

قبل التقديم فى اى شركه للتوظيف يجب عليك معرفه بعض المعلومات المهمه التى تمكنك من انجاز بعض المهام ومنها


Hook load

This is the load on the hook this is the summation of the strings, i.e.; the bit and (BHA) bottom hole assembly

Weight on bit

It's always calculated from the hook load and its decrease on it.
Since if the HL is 500 tones and suddenly became 400 tones so -this difference is due to the formation resistance and this is called the WOB.
Sand (lowest resistance) < shale < silt < lime < dolostone < anhydrite (highest resistance)
The higher the FM resistance, the higher the WOB

C) Stand pipe pressure

This is the pressure of the pumped fluids inside the pipes and hoses. This is related highly to the SPM.

D) Casing pressure

This is the pressure of the pumped cement into casings.

E) Rotary speed

The speed of rotation of the strings, which is, supported either from above on top drive or on the rotary table on rig floor.

F) Rotary torque

 The resistance of the formation to the drilling and rotation of strings
The more the resistance of formation, the higher exerted torque

G) Pump speed

The speeds of pumping of mud inside the pipes, which depend on the number of, stroke per minute or in general the efficiency of pump.

 Drilling fluids

A) Volume
B) Mud Wt (density) into and out from hole
C) Mud temp into and out put from the hole
D) Mud conductivity (resistivity) into and out put from hole

?Q: What are the sensors that feel all those parameters
There are 3 types of the sensors such as
1- Pressure transducer: ANALOUGE
Standpipe pressure sensors
 Casing pressure sensors
 Hooks load sensors
 Torque sensors   
 Mud weight sensors

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