Page 34 - Practical Well Planning and Drilling Manual
P. 34

Section 1 revised 11/00/bc  1/17/01  2:55 PM  Page 10








                      [      ]  Well Design
                       1.1.2




                         Started drilling at  7 m/hr  7 m/hr  12 m/hr  Average parameters:  WOB/RPM 30–  47/110–130  GPM/PSI 600/2100  Mud 0.49 psi/ft  Torque 5000 ft/lbs  10 m/hr average  10 m/hr







                         ATM11HG, 18-13-13  Locked BHA  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |  | |









                                       1870





                         WOB 30–60  RPM 100–150  ROP increased to 12  Hole good on trip  WOB 30–55  RPM 100–150  Existing crack in  DC? No torque  indication seen.  WOB 10–50 (TQ)  RPM 110–140  Crooked hole?






                                       Bit pulled 1964; 433   @ 7.6            Bit pulled 2111; 52   3/2/CT/H/E/I/NO/TQ,


                         | |  | |  | |  | |  \/  @ 7.3  2/1/NO/A/E/I/NO/TQ,  PI 16.7  ----------  MF27D, 20-16-16  Locked BHA  \/  Bit pulled 2059; 95  0/0/NO/A/E/I/NO/  TW , PI 8.8  ----------  MF27D, 20-15-15  \/  @ 4.1  PI 2.7  ----------





                                 (892)  1902                                            (244)




                                       Plectrum  Sst, Lst, Sltst, Sh  Total losses possible  Compressive strength  6ñ9000 psi with   shale streaks to   15,000 psi  Increasing Sst with  depth






                       Fig. 1—1  Example of a Hole Section Summary, continued


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