KEY RESPONSIBILITIES:

Logging Management for New Wells:

 Logging Program Design: Design logging suites for new wells based on geological objectives and drilling programs, including mandatory and optional logging items, to ensure the logging program meets formation evaluation requirements
 Real-time Well Tracking & Log Interpretation: Track logging operations during new well drilling in real time, perform quick-look log interpretation promptly to provide geological guidance for drilling decisions
 Log Data Quality Control: Supervise the acquisition of new well logging data, perform quality control and acceptance checks to ensure data integrity and accuracy for subsequent interpretation and modeling
 Log Data Management: Establish and maintain the petrophysical database, including input, standardization, and archiving of well log curves, ensuring data traceability and reusability.

Stratigraphic Correlation & Zonation:

 Stratigraphic Correlation: Perform single-well and multi-well stratigraphic correlation based on log response characteristics to establish a regional stratigraphic framework
 Geological Zonation: Determine layer group divisions, sand group and sub-layer correlation schemes for each well to provide the basis for reservoir geological modeling
 Marker Bed Identification: Identify regional marker beds and establish consistent correlation standards to ensure consistent stratigraphic correlation.

Log Interpretation & Formation Evaluation:

 Conventional Log Interpretation: Perform conventional log interpretation for new and existing wells, including calculation of porosity, permeability, saturation, and lithology parameters
 Integrated Formation Evaluation: Conduct integrated formation evaluation combining log, mud logging, core, and test data to identify reservoirs, barriers, and fluid types
 Special Log Interpretation: Carry out interpretation and analysis of special logs as needed (e.g., NMR, image logs, acoustic logs) to meet production requirements
 Interpretation Deliverables: Prepare log interpretation reports, including interpretation cross-sections, data tables, and summary results, for geological modeling and reservoir evaluation.

Petrophysical Support for Geological Modeling:

 Petrophysical Input for Modeling: Provide standardized and QC'd log curves, interpretation results, and property parameters to geological modelers
 Lithology/Facies Interpretation: Deliver single-well lithology interpretation and facies classification results to support property assignment in the 3D model
 Property Parameter Calculation: Generate porosity, permeability, and water saturation property curves for modelers to use in 3D property modeling.

Core Analysis Study:

 Core Depth Shifting & Calibration: Perform core depth shifting to establish depth correspondence between core and log data
 Core Description & Data Compilation: Participate in core observation and description, compile routine core analysis (RCAL) and special core analysis (SCAL) data
 Core-to-Log Calibration: Calibrate log interpretation models using core analysis data to improve the accuracy and reliability of petrophysical interpretation.

Production Logging (PLT) Interpretation:

 PLT Job Tracking: Track production logging (PLT) operations to ensure data acquisition quality
 PLT Interpretation & Analysis: Conduct PLT interpretation to analyze zonal production allocation, injection profiles, fluid properties, and wellbore conditions
 Application of PLT Results: Apply PLT interpretation results to reservoir performance analysis, workover planning, and production optimization.

Reporting & Coordination:

 Petrophysical Reports: Prepare logging program reports, new well log interpretation reports, PLT interpretation reports, and core analysis study reports
 Cross-departmental Coordination: Collaborate with Geology, Reservoir, Drilling, and Production departments to ensure petrophysical interpretation results effectively support production decisions
 Database Maintenance: Maintain the petrophysical database and interpretation results repository to ensure data security, integrity, and ease of sharing

REQUIREMENTS:

Bachelor's degree in Petroleum Engineering, Geology, Geophysics, or other relevant engineering field. Master's degree is preferred.

Minimum 4 years of experience in petrophysical evaluation, well log interpretation, and formation evaluation. Experience in carbonate and clastic reservoirs is preferred.

Knowledge:

 Deep understanding of petrophysical principles, well log interpretation techniques, and formation evaluation workflows
 Knowledge of open-hole and cased-hole logging tools and applications
 Familiarity with rock physics, core analysis and SCAL data integration
 Understanding of reservoir geology and static modeling concepts
Skills
 Communication: To adjust the tone and style according to the audience, comprehend and act efficiently on instructions, and explain complex technical issues to colleagues and clients alike
 Teamwork: To have the intuition and interpersonal acumen to know when to be a listener, and to be perceptive, as well as receptive to the needs and responsibilities of others
 Analytical & Problem-solving: Strong ability to integrate multi-source data and resolve ambiguities in formation evaluation
 Ability to Work Under Pressure: To think clearly and to compartmentalize stress within tight deadlines

Technology Skills:

 Proficiency in petrophysical interpretation software (e.g., IP, Geolog, Techlog)
 Experience with Petrel software for property modeling
 Familiarity with geological mapping and correlation software
 Competence in Microsoft Office Suite

English: Fluent in both spoken and written English, with demonstrated ability to:

a) Draft and review formal reports, policies, and correspondence in English.
b) Conduct meetings and deliver presentations in English with confidence and clarity.
c) Communicate effectively with Chinese management and international stakeholders.

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