Drilling problems such as stuck pipe, tight hole, washout, and sloughing can be related to shale stability.
The Fann Linear Swell Meter Model 2100 (LSM) helps determine shale hydration or dehydration by measuring the increase or decrease in length over time of reconstituted or intact shale core. Together the LSM and Capillary Suction Time (CST) tests determine the recommended mud system for drilling through a specific shale formation. First, a CST 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 LSM test demonstrates the inhibitive effects of these various fluids on shale swelling.
The two-cell, hand operated, hydraulic compactor unit is used to prepare a core test samples from drilled cuttings. It applies a constant pressure of up to 10,000 psi (68,940 kPa) for several hours to achieve a satisfactory shale core plug.
Part No. 102123383 Linear Swell Meter System with Four-Place Head, Compactor, and Software
Part No. 102527580 Linear Swell Meter System w/o Compactor
Part No. 102100513 Additional Four-Place Measuring Head
Part No. 209745 Compactor Unit (Two Head)
Part No. 205722 Transformer for 230 Volt operation