Page 33 - Practical Well Planning and Drilling Manual

Section 1 revised 11/00/bc 1/17/01 2:55 PM Page 9

Preliminary Work for the Well Design [ ]
1.1.2

Parameters, Comments KCl Polymer mud 0.49 psi/ft Tight hole on conns 1171–1295 Backreamed, no further problems 7–20 m/hr Checktrip @ 1353 no drags 100k o/pull @ 1350 POH WOB 35–55 RPM 120–140 Ream 1 time before conns Pulled doing 7 m/hr

Bitrun Data ATM05, 18-13-13 Locked BHA | | | | | | | | | | | | | | | | | | -| |- | | | | | | | | | | | | | | | | \/ Bit pulled 1843, 759 @ 11.3 1/1/BT/M/F/I/ID/PR, PI 29.0 ----------

Well 2 Depth BRT 1084

Parameters, Comments KCl Polymer mud 0.49 psi/ft Tight hole on conns WOB 30–55 RPM 100–150 Pulled doing 8 m/hr Hole good on trip Started drilling at 7m/hr

Bitrun Data ATM05, 20-13-13 Locked BHA | | | | | | | | | | | | | | | | | | | | \/ Bit pulled at 1531 521 @ 15.8 m/hr, PI 33.6 1/1/BT/A/E/I/JKD/PR ---------- ATM22GD, 20-13-13 Locked BHA | | | |

Well 1 Depth BRT 1010

Formation Details Guitar LSt, Sh interbeds Lst: RPM sensitive Sh: WOB sensitive Compressive strength 9—12,000 psi with Shale streaks to 18,000 Cavings @ <.5 psi/ft Losses @ >.5 psi/ft Tight hole on trips, can pull through with care

Fig. 1—1 Example of a Hole Section Summary

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