Wellbore Quality Characterization for Drilling and Casing Running in ...
Wellbore Quality Characterization for Drilling and Casing Running in ...
Wellbore Quality Characterization for Drilling and Casing Running in ...
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Case Study – <strong>Drill<strong>in</strong>g</strong> Response (D3)<br />
50<br />
1,000<br />
Erratic Torque Response<br />
45<br />
BHA 8: RSS + PDC Bit<br />
Vibration problems <strong>in</strong> chalk reservoir<br />
900<br />
40<br />
BHA 9: RSS + PDC Bit<br />
FF=0.20/0.15<br />
800<br />
Str<strong>in</strong>g RPM<br />
35<br />
700<br />
orque (kNm)<br />
Surface T<br />
30<br />
25<br />
20<br />
600<br />
500<br />
400<br />
Str<strong>in</strong>g RPM<br />
15<br />
300<br />
10<br />
200<br />
5<br />
100<br />
0<br />
0<br />
3,100 3,300 3,500 3,700 3,900 4,100 4,300 4,500 4,700 4,900 5,100 5,300 5,500<br />
Measured Depth (m)