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TAMU - Pemex Well Control

2. Contents. Moore's Equation - Drilling rate Gas in the Drilling Fluid Rock Sample Characteristics Use of Surge and Swab Pressure to determine Overbalance Changes in Drilling Fluid Properties Temperature Indications Hole Conditions. 3. Moore's Equation. Moore proposed a practical method for

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TAMU - Pemex Well Control

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    1. TAMU - Pemex Well Control Lesson 7B Other Abnormal Pressure Detection Methods

    2. 2 Contents Moore’s Equation - Drilling rate Gas in the Drilling Fluid Rock Sample Characteristics Use of Surge and Swab Pressure to determine Overbalance Changes in Drilling Fluid Properties Temperature Indications Hole Conditions

    3. 3 Moore’s Equation Moore proposed a practical method for maintaining pore pressure overbalance while drilling into a transition. If drilling parameters are kept constant while drilling into an abnormal pressure zone, the drilling rate will increase.

    4. 4 Moore’s Equation Moore suggests that we increase the mud weight sufficiently to keep the drilling rate from increasing. The increase in mud weight will then be a measure of the abnormal pore pressure. But how much do we increase the mud weight?

    5. 5 Moore’s Equation

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