Thursday, March 3, 2016

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schlumberger test about drilling

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Look to this picture and answer which well A,B,C will the highest 

?hydrostatic bottom hole pressure be recorded  

Answer 1
D cause HP depends on the TVD NOT MD or the shape of direction

Answer 2

Because the three wells have the same equal tvdand the same mud density

Answer 3

(Number (D
because 3 wells have the same TVD and Hd depend on True vertical depth not on Measuerd depth and this angle don't affect on the pressure Value 
Hd=0.52*Mud Density*TVd

Answer 4

D, all have the same depth (tvd) and same mud gravity , density .
From phesics p equal to the weight of the virtical air +Wt of mud . 
&all are equal 

Answer 5

it looks like the tvd in the 3 wells is equal so hp is same also tep also thermal gradient based on tvd also


Answer 6

D TVD is used in deviated wells and its equal to H in the bottom hole pressure

thanks

1 comment:

  1. I think not equal bec. the main dependence is on the overburden pressure = the weight of column of rock above the T.D point

    ReplyDelete

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