Drilling Fluids SWELLING METER Drilling problems such as stuck pipe, tight hole, washout, and sloughing can be related to shale stability. Instrumentation used to determine if specific shales are likely to cause drilling and completion problems of the Swell Meter The RIGCHINA Swell Meter is an instrument used to determine shale hydration or dehydration by measuring the increase or decrease in length over time of reconstituted or intact shale core. The Swell Meter test is used to determine the recommended mud system for drilling through a specific shale formation. First, a Swell meter test is conducted to determine the correct inhibitor for the shale. Then, a variety of fluids are tested. Test results are graphed to show the percent of swelling versus swelling time in minutes. The Swell Meter test demonstrates the inhibitive effects of these various fluids on shale swelling. RIGCHINA Group Company offers a complete line of instruments for use in testing drilling fluids in accordance with the following American Petroleum Institute Publications: API Recommended Practice 13B-1, API Recommended Practice 13B-2, & API Specification 13A Contact Rigchina Group Company for more information on our complete line of Drilling Fluids Testing Equipment Call us today, or visit our website at www.rigchina.com Rigchina Group Co. China No.80-82, Qiude Rd,west Cheng Industrial Estate Yongkang, Zhejiang, China 321300 © 2008 Rigchina Group company China. All Rights Reserved