Wellsite Geologist Course

تفاصيل الدوره

Duration: 5 days/ 20 hours

محاور الدوره

Aim of the course:
•    Compare drilling operations both onshore and offshore and understand the differences between the various types of rigs and platforms.
•    Distinguish the various components of the drill string: hoisting and rotating systems and pipe handling equipment; bit types and their design and application; the mud circulation process and system; the variety of drilling fluids and well hydraulics; casing and cementing procedures; directional drilling processes and techniques; borehole surveying.
•    Appraise mudlogging services, including the collection and analysis of ditch cuttings and lag time estimation; depth and bit parameter measurements; the collection, analysis, and integration of gas readings; and the wider role of mudlogging in safety monitoring and drilling engineering support.
•    Analyze how ditch cuttings are sampled, described, reported, logged, and evaluated for lithological evaluation and hydrocarbon potential.
•    Compare conventional coring and sidewall coring processes, procedures and evaluation techniques.
•    Distinguish the acquisition, processing, and basic interpretation of wireline from LWD logs and their integration with other wellsite-derived geological data.

Course Outline:

Day 1
•    Well site geologist job description.
•    Duties and responsibilities for well site geologist
•    Safety on rig site
•    Office preparation
•    Getting mobilizing
•    Mud logging unit supervision
•    Cuttings: sampling, cleaning, analysis, description, calcimetry, lag time, XRD, fluorescence.
•    Quality and representativeness of cuttings

Day 2
•    Quick review of mechanical parameters (WOB, RPM, and ROP) and hydraulic parameters (SPP, MFR, MWt in & out, etc.) monitored during drilling.
•    Detection and evaluation of gas shows while drilling, chromatography, and type of dissolved gases in the mud.
•    Importance of gas control on quality of measurements. Gas while drilling.
•    Role of well site geologist: analysis and decision.
•    Depth control: depth, deviation surveys (MD, TVD, TVDSS), and stratigraphic column.
•    Gathering geological and drilling information

Day 3
•    Geological log: header and track presentation; main software programs.
•    Drilling parameters for a geological log
•    Calcimetry, gas, gain, and losses
•    Composite log: interpretation of geological observations and descriptions for the lithology
•    Rig types
•    Drilling, casing, and cementing.
•    Core and casing points

Day 4
•    MDW, LWD, and Geosteering
•    Wireline logging operations
•    Preparation for wireline logging
•    Log quality control
•    Overview of Shally sand interpretation
•    Overview of log interpretation in thin sand/shal sequences
•    Overview of log applications in Shall-oil/gas formations

Day 5
•    Integration of other data: well tests results and logging information.
•    Supervision and quality control of logging operations.
•    Coring operations: core recovery, cleaning, splicing, description, fracture identification, sampling, photos.
•    Final report
•    Case studies

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