Rizwanullah Khan

About Rizwanullah Khan

Expertise in 1D and 3D pre-drill pore pressure and fracture gradient modeling using seismic data, LWD and Wire line log data (GR log, Sonic log-Dtp and Dts, Resistivity log, Density log, Porosity log). • Expertise in Real time Pore pressure and fracture gradient prediction, monitoring and detection of overpressure zone and weak rock formation interval. • Experience in identification and detection of shallow geological hazards. • Expertise in pre drill and post drill Mechanical Earth Modeling (MEM) and Wellbore Stability analysis. • Expertise in updating predrill model of Pore Pressure, fracture gradient, Geomechanics, and Wellbore Stability while real time drilling. • Expertise in In-situ stress orientation and magnitude analysis in a different stress regime. • Experience in geomechanical analytical approaches for frack optimization, wellbore trajectory optimization, safe mud weight window optimization and sand production perdition. • Experiences in geomechanics for unconventional plays (shale gas and tight sandstone reservoir) and depleted reservoir. • Experience in HTHP and deep-water environments in offshore basin. • Experiences in supporting drilling operations through real time Geomechanics and Wellbore Stability studies for drilled wells. • Experience in supporting geomechanics projects in a geologically complexity areas such as narrow operational drilling windows, depleted reservoir, sanding production prediction, etc. • Drillworks Predict ® Trainer: Provide Halliburton’s Drillwork software training for Geomechanics, pore pressure, fracture gradient, shear failure gradient, rocks mechanical properties calculation, safe seal analysis, LOT analyzer, geostress, etc. • Experience in petrel® (Schlumberger) for seismic interpretation, petrophysical modeling, well correlation, 3D Visualization, Creation of synthetic seismograms, Seismic attributes,2D & 3D seismic interpretation and modeling, Velocity Modeling (Domain Conversion), etc.

Experience

1. Senior Real Time Geomechanics

   Halliburton

   Jul 2013 — Present

   o Build 1D Pre-drill and post-drill Geomechanical Earth Models (Rock Mechanical Properties Model, Wellbore Stability Model, Pore Pressure Model and In-situ Stress Model) using seismic velocity data, propose survey data, wells data (Gamma ray log, Resistivity log, Density log, Sonic log, Neutron porosity, Caliper log, Image log, drilling data, gas data, Mud Reports, Drilling Reports, Final well Reports, etc).o Generate Shear Failure Gradient (SFG) model based on various rock failure criterions such as Mohr- Coulomb Rock Failure Criterion, Drucker-Prager Rock Failure Criterion and Modified Lade Rock Failure Criterion by using Geostress® software (Halliburton USA).o Calibration and validation of Geomechanical models with available field data (offset well drilling and petrophysical data of same Stratigraphic set up) and laboratory data (Core Test data).o Real time pore pressure, fracture gradient and geomechanical parameters monitoring and up-dating model with LWD/MDW data, drilling events, etc.o Performed sensitivity analysis of mud weight at varying inclination and azimuth in different tectonic regime to optimized mud weight window and well trajectory.o Analysis and Evaluations of tectonic regimes using Petrophysical log data, Geophysical data, Image log data and Caliper data.o Calculation and analysis of dynamic young modulus, unconfined compressive strength, Shear Modulus, Bulk Modulus, and Poisson ratio using sonic log (Dtc and Dts)/ seismic velocity (Vp & Vs) and density log and calibrate and validate with drilling event and Lab Core Test. o Deliver technical presentations and final well reports (Geomechanics and pore pressure) submission at the end of project.o Prepare geomechanics training material and delivers training lectures.o Conduct and delivers Drillworks Software (Halliburton) training programmes for geomechanics.

Education

• Aligarh Muslim University

  Doctor of Philosophy (Ph.D.), Geology

  2001 — 2005

• Aligarh Muslim University

  Bachelor’s Degree, Geology/Earth Science, General, 1St

  1987 — 1990

• Aligarh Muslim University

  Master’s Degree, Geological and Earth Sciences/Geosciences, 1st

  1990 — 1992