<p>Original 1947 Oil and Gas trade vintage catalog for the <b><span style="font-size: 14px;">WARREN AUTOMATIC TOOL COMPANY.</span></b> (WATCO). Main office and plant was located at 1920 Hussion Street, Houston, TX. </p><p> Manufacturers of Oilfield Equipment. </p><p> Products include Log-O-Graf, Mud-O-Graf and Pit-O-Graf.</p><p>The Log-O-Graf is a completely mechanical method of recording graphically the rate at which the bit penetrates the formation. It records footage drilled, only. </p><p>The Mud-O-Graf is now in its seventh year of field application. Essentially, it provides an automatic and continuous record of the weight of mud in the circulating system of a drilling well. Better mud control can be maintained by observing such a continuous record.The Pit-O-Graf is in its third year in the field. It constitutes an accurate method of recording mud pit level on a 24-hour basis. It is entirely automatic in operation, and consists of two parts, namely the recording unit and the indicating and transmitting unit.</p><p>Has product images, illustration, description, application and specifications to provide product details.<br></p><p> Unbound from a large rare post-wartime 1946-1947 Catalog of Oil Field Equipment, this unique old four-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro petroleum industry library. Pages are loose. </p>
- SKU zm469
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