Site investigation services involve the identification of seafloor and subsurface hazards and constraints, including features such as seafloor scarps, slumps, expulsion features, faults, gas pockets, hydrates, shallow water flow zones, etc.
Observations of the riserless portion of the well include pre-spud activities, jetting conditions, and drilling of the initial casing sections of the well. Early detection of geologic hazards have resulted in critical changes to the well program to ensure safety and integrity of drilling activities.
Our wellsite geologists are professionals providing oversight geologic aspects of drilling operations. The role of the geologist is to ensure that all of the geologic information (logging, samples, lithology, etc.) is collected accurately and distributed to decision makers promptly. Sampling intervals, techniques, etc. are aspects of the geologists responsibilities. Daily geologic reports are prepared for review.
Real time monitoring of pore pressure utilizes LWD data (Sonic, resistivity, gamma ray), drilling data (torque, ROP, WOB, etc.), gas measurements, and changes in mud volume. Early detection of primary and secondary indicators of geopressure-related issues are used to formulate alerts and alarms to the drilling team.
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