Page 455 - Practical Well Planning and Drilling Manual

Section 3 revised 11/00/bc 1/17/01 12:00 PM Page 431

Writing a Final Well Report [ ]
3.8.1

c) Mud performance analysis. Show planned vs. actual perfor-
mance, problems encountered (especially borehole stability
related), how these problems were handled, and suggestions
for improvements on the next well.
d) Wellbore stability analysis. Where wellbore instability has
occurred (usually seen as cavings), give as much information
as possible on what was seen. Was the extent of it measured
(e.g., by carbide, caliper logs, cavings quantity estimation,
etc.)? Describe cavings fully—appearance and quantities. Can
particular instability events (such as a sudden temporary
increase in cavings) be related to drilling events (such as a
trip)? Consider what changes could be made to reduce insta-
bility on the next well.
e) Casing and cementing performance analysis. Discuss problems
encountered; also comment where performance was good.
f) Specific problem areas: fishing jobs, other remedial work,
kicks, etc.
g) Miscellaneous items not covered in the other areas listed.
h) Conclusions and recommendations. How time could be saved,
problems avoided or reduced, and anything to improve perfor-
mance next time.
5. Rig: personnel, equipment, procedures, and contract.
a) Factors affecting drilling performance (related to personnel,
equipment, drilling program, procedures, or rig contract).
b) Solids control equipment performance analysis.
c) Conclusions and recommendations.
6. Logistics
a) Equipment lists as shown in the drilling program; show any
deficiencies in these lists (i.e., update for future reference).
b) Highlight any problems regarding vessels, helicopters, road
transport, etc.
c) Conclusions and recommendations.
7. Service companies
a) Problems with equipment, personnel, procedures, or contracts.
b) Conclusions and recommendations.
8. Geological results
a) Prognosed vs. actual lithology encountered.
b) Conclusions and recommendations.

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