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Casing while drilling (CWD) has been around in the rotary business for only 20 to 30 years, but cable tool drillers have been using this method since about day one.
In 2002, I was contracted by a religious organization in Virginia to teach cable tool well drilling to the Navajo people in northeastern Arizona. They commissioned me to locate a 22-W Buckeye drill and tools, purchase it and have it shipped to Tonalea, Ariz.
In my last column, I wrote about developing well screens in cable tool drilled wells and here are a couple more, including perhaps the two most popular methods.
In my last several columns, I have written about selecting the proper openings for a water well screen and some popular installation methods. One thing we must do, however, before installing the screen is equip it with the proper fittings. Screens purchased from a manufacturer or supply house are not going to work as is (with a couple of exceptions).