0.462 0.961 18.48 ure mud weight, As the dilling engineer for this You have asse
ID: 802523 • Letter: 0
Question
0.462 0.961 18.48 ure mud weight, As the dilling engineer for this You have assembled the following mud weight data from 14,000 well project you have been asked to gather ofset wel data to build a pore pressure and fracture pressure plot for the well moming reports of a well that was dilled less than a mile away Depth Mud Weighkppg Pore Pressure ppg Frachure Gradiont ppg Ma Md weight p 11000 174 12500 179 1400017. 1 Assume that the mud weight used in offset well was 0 5ppg above the actual pore pressure 2 Usng Fracan Graden (Ben talan Metod, spreadew, caculate be Sach ro gadent n ppg ser each depth Assume zero ar gap and water depe). Use a safety factor of -0.5 peg below the calculiated Fracture Gradent for the maxinum mud weight coulation 4 Plot the pore pressure, mud weigh and tracaure gradiend v depth on a graph 6 Caloulate the theoreicaly deepest that the can be dited belore seting another string of casing arfece casing planed to be ser 6,000 MacBook Air 233 7 8Explanation / Answer
Pore Pressure =0.052* mud weight *depth
1)0.052*9.5*2500= 1235
2)2964
3)3530.8
4)4284.8
5)5148
6)7020
7)8408
8)9323
9)10166
10)10857
11)11635
12)12168
13)12565
14)12885
Fracture pressure = fracture gradient * depth
1) 2402
2)5766
3)6727
4)7688
5)8649
6)9610
7)10090
8)10571
9)11056
10)11532
11)12012
12)12493
13)13454
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