Excerpt from Drill Work, Methods and Costs: A Practical Treatise Covering the Methods Used in Drilling Wells With Cable and Hollow Rod Tools

In compiling the instructions, the object kept in view was to tell not only how a thing should be done, but also why it should be done as advised, thus explaining the principles lying back of the work. It is to be expected that some of the methods advocated will not meet with the approval of all drill men, but inasmuch as the reader will find reasons accompanying each method advocated, he is in a position to vary the methods as soon as he finds that his drilling conditions are such that other reasons outweigh the ones given. It must be borne in mind, however, that in drill work a mere opinion is not a reason unless it has been formed after careful consideration and ample experience.

It is very likely that after a first reading of the instructions a beginner will get the impression that there is considerable risk connected with drill work, due to frequent references made regarding troubles which mightarise unless certain precautions are taken. While it is not the aim of the author to menace the beginner with disaster and while it is very likely that fishing jobs will be few and far between, if ordinary precautions are taken, still it will be found that in the large majority of cases the most prosperous drill men are those who pay the closest attention to the seemingly little things, and thus the reader's attention has been directed not only to the manner in which drilling tools should be handled, but also, in many cases to the troubles which can arise unless the tools are operated as instructed.

It will also be noted that considerable space has been devoted to the handling of fishing jobs and other unusual conditions and while it is very probable that a drill man engaged in shallow, water-well work will have need for but a few of these. Instructions, still the author would urge a care ful reading of this section as the driller who has a full understanding of the troubles which can arise is very apt to use the necessary precautions to pre vent their occurrence.

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