ISHA KHAMBRA

EDUCATIONAL QUALIFICATION

Aug’** – April’12

University of petroleum and Energy Studies (Dehradun)

Awarded first rank in university (Third year- CGPA 3.67/4)

Bachelor Degree in Applied Petroleum Engineering:

(CGPA - 3.5/4 – 90%)

Internship:

1. Summer Internship at Institute of Drilling Technology, Oil and Natural

Gas Corporation (ONGC), Dehradun.

2. Summer Internship for six weeks at Cairn Energy India Ltd-

Successfully completed a project titled “Re-view of Performance

of

Screened Production Wells in Mangala Oil Field ” during 6

weeks

Internship at Cairn India Ltd (May-June, 2011). The project

included

detailed studies of the following:

• Various type of Screens installed in oil producer of Mangala

wells

• Cause for low PI and Non-Performance of screened wells

• Techniques used for Well Stimulation for PI restoration with

detailed work and focus on ORCA – An in-situ acid

generating component used to dissolve mud cake.

• Suggested various other alternatives which can be used for

production restoration. Studied various case histories in

other fields and suggested following options to be used:

Pulse Jetting tool and using Nanotech particles for fines

migration prevention.

• The internship incorporated a three weeks field exposure at

Cairn Energy India field site (Mangala field) where had an

overview of various well intervention and completion

activities.

PROFESSIONAL EXPERIENCE

Aug’12-Present

Production Engineer responsible for production logging and well

integrity data interpretation acquired in various fields across India

and abroad. Major responsibilities include data interpretation and

analysis of cased- hole logging, managing, focal point for various

Major Indian and International clients, Job planning and forecasting

with clients and field managers, mentoring Junior petroleum

engineers.

Delivery of the final interpretation results along with the report

thereby

discussing the entire logging job interpretation with the client

through a

presentation.

Production Engineer at Schlumberger Asia

Services Ltd.

Responsibilities:-

1. Working in Production Engineering domain, includes:-

Production Logging

Formation evaluation

Well integrity (Cement Evaluation)

Casing condition monitoring

2. Supporting PTEs, Operations Engineers & Specialists for

Wireline Segment.

3. Job description includes:

Job planning with clients and supporting segment both offshore

and onshore.

Job execution by Real time monitoring of critical or high priority

jobs.

Processing and Interpretation of wireline log data

4. Suggesting the customers the well surveillance: identifying and

carrying out production improvement opportunities on wells.

5. Identifying and implementing opportunities to improve

production

through Optimization and stimulation of wells. Monitoring the

well

performance pre and post well intervention.

6. Nodal Analysis, Sensitivity Analysis & Artificial lift optimization for

Production Enhancement.

7. Currently working as the focal point –Production Engineer

for all the

North-East India clients. Thereby assisting and consulting

them with the

production related issues.

8. The detailed job description and responsibilities are as

mentioned

below:

Production Logging:

Job Planning, Processing and Interpretation for Production

logging tool and Flow scan imager (FSI) to identify the water

entry source, crossflow zones, flow behind the casing and

monitoring the changes in the well behavior with time using

Emeraude software.

On the basis of Production logging results and Single well

Production Optimization is carried out using PIPESIM

software and Production Log Advisor software.

Also on the basis of the interpretation results workover job

planning is carried out to meet the client’s objectives.

Regular monitoring of wells behavior follow-up is done to

identify the opportunities of production logging and identify

short/long term production enhancement prospects.

Also undergoing a multiwall integrated study of different

wells in the field and co-relating the behavior of the wells

thereby understanding the field response.

Formation Evaluation:

Formation evaluation including saturation evaluation,

Lithology and porosity estimation behind the tubing.

It includes Job Planning; Processing and interpretation of

Reservoir saturation tool (RST) acquired data using

GeoFrame software.

Injection well Sweep efficiency evaluation using time lapse

RST saturation results behind the tubing, in a cased hole

environment.

Oil saturation evaluation is carried out in different zones, is

reported to the client and accordingly well intervention such

as perforation operation on the basis of RST results is

carried out to enhance the well productivity.

Interpretation of leak detection in tubing and casing using

Water Flow Logging (WFL) module of RST using emeraude

software

Interpretation of delineating Gas bearing zones and fluid

contacts as a part of Cased Hole formation evaluation.

Well Integrity:

Interpretation of cement evaluation log, thereby

evaluating cement bond, channeling, Bond Index,

Microannulus identification, missing cement identification,

cement to casing bond, cement to formation bond thereby

giving an idea of the hydraulic isolation.

The cement evaluation logs include Cement Bond Log

(CBL), Variable density Log (VDL), Ultrasonic Imaging log

(USIT) interpretation. Including the advanced well integrity tools

interpretation.

Scope of work includes log quality check, interpretation and

compiling an interpretation report highlighting the cement quality

throughout the logging interval.

Application and interpretation of cement bond logs has

resulted in numerous workover jobs to repair the cement.

Casing Condition Monitoring:

Multifinger Imaging tool raw data processing and interpretation

to identify the internal and external casing condition for casing

corrosion evaluation. It also includes the casing radius and

thickness measurements to identify casing damage. Moreover

dual casing condition can also be evaluated using the

combination of various well integrity tools.

9. To support the clients not only in the currently located area but

also internationally in different Geo-Markets including Iraq, Abu

Dhabi, Kuwait, Argentina, Gabbon etc. and to expand HUB

Production support activities through establishing positive

mindsets for the clients as a powerful in-hand resource of

expertise, for fulfilling their projects and their expectations.

10. Frequent visits to the clients for discussing the present and

upcoming opportunities for Production domain.

11. Taking responsibility to train young graduate petroleum

engineering and mentor them to becoming professional cased hole

production engineers.

TECHNICAL TRAINING

Schlumberger DeepBlue Training School-1

Petro physics & Core Analysis:

• Concepts of Porosity, fluid saturation & Permeability

• Basic well logs, applications of various log

measurements.

Different core analysis techniques

PVT Analysis:

• Different PVT experiments

• Usefulness of PVT data to reservoir and production

engineers

OilPhase DBR Lab visit at Houston.

• Physically identify the PVT lab equipment and relate the theory learnt to discuss how

the equipment is used for different experiments.

Pressure Transient Analysis:

• Transient analysis theory and describe the diffusivity

equation and it’s mathematical

• Solution for different wellbore and reservoir scenarios

• Concepts of skin, wellbore storage and their impact on

pressure transient analysis.

• Use of Semi-log, Horner, & Log-Log plots for well test

interpretation using Ecrin software for simple well test

interpretation

Formation Pressure and Fluid Sampling

• Discuss the basic principle of operation of the SLB tools for

obtaining formation pressures and Fluid samples.

• Analyze pretest pressures; describe how pressure gradients

are obtained from pretest Pressures.

• Identify fluid types and contacts from pressure gradients

and determine mobilities

• Use SLB software (PDPlot, InSitu Pro, etc.) for simple

interpretation.

• Discuss the principle of operation of the downhole fluid

analyzers and analyze their output to determine fluid type.

Production Engineering Fundamentals:

• Completions & Perforating

• Sand Control & Stimulation

• Artificial Lift & Surface Facilities

Field Performance Analysis using OFM

• Create plots for individual wells or groups and compare

multiple wells - water Control diagnostics using Chan plots

• Analyze production trends

• Create bar charts, map XY plots and scatter plots to

understand reservoir characteristics and Performance.

• Create bubble maps, grid maps, contour maps, surface maps

to understand reservoir Characteristics and performance.

Production Log Analysis

• Understanding real-time, quantified production logging

answers in horizontal, deviated, and vertical wells, including

conclusive identification of water, oil, and gas entry points.

• Also includes multiphase flow data analysis by using

production logging optimized for the complex downhole

environments of horizontal and high-angle wells.

Nodal Analysis

• Basic nodal analysis at well and field level.

• Artificial lift selection and optimization using Pipesim*

software, thereby varying the different parameters and identifying

the most suitable conditions to operate the artificial lift so as to get

the maximum and optimum production.

Schlumberger DeepBlue Training School-2

Production Log Interpretation

• Advanced production logging data interpretation

understanding the requirements of PVT models and

associated uncertainties, experimenting with different

correlations to understand its importance.

• Understanding how global regression can be used to

impose reality by eliminating pseudo separator effects on the

flow profile and zonal inflow contributions.

• On a multirate PLT creating a SIP plot and to

understand the meaning of the layer pressures and Pis

created.

Nodal Analysis, Production Log Advisor &

Transient Analysis

• Understand the Reservoir-pressure-production-

injection behavior of multilayer completion reservoir by using

Nodal Analysis with Pipesim*.

• Understand the production behavior of multilayer

reservoir and the effect of isolating a water and or gas zone.

• Proficiency with PLA and the user interface to build a

PIPESIM model from production log interpretation results.

• Simulate the results of various workover activities and

make quick decisions for interventions based on the

results production logs.

• Understand the production allocation to analyze

individual production layer after a workover job.

Reservoir Saturation Monitoring

• Calculating reservoir oil saturation using Reservoir

Saturation Tool (RST) data and its interpretation.

• Using different methodology (Sigma & Carbon-Oxygen)

for saturation computation

• Understanding the feasibility of various modes in different

logging environments

• Understanding the tool physics, principles and application

Well integrity- Cement Evaluation

• Understand the basic principles of a primary cementing

operation.

• Understand the simulators that are used to control the

various processes that may affect cement placement,

hydraulic isolation and the response of cement logs.

• Understanding the tool Physics, operations, calibrations,

limitations of sonic tools such as: CBL, SCMT and Sonic

Scanner.

• Interpretation of Examples & Cement Evaluation

Challenges of CBL, SCMT and Sonic Scanner including

CBL-VDL hands-on processing/interpretation -

Demonstration of processing of CBL data, experimenting

with parameters and recognizing the influence of the

processing parameters on the output of the cement

answer.

• Understand the Tool Physics, operations, calibrations,

limitations of ultrasonic tools.

• Interpretation of USIT-CBL Cement Evaluation Examples

& Challenges (Contamination, Micro-annulus, 3rd

interface bond, hydraulic isolation, multiple casing, mud

weight, casing weight, etc).

• Interpretation of Advanced cement evaluation tools and

there application in the feasible environment.

Well Integrity- Casing Evaluation

• Understand mechanical calipers Physics of measurement

and logging operational aspects.

• Hands on Experience of various examples LQC and

interpretations examples, 3D-visualization of casing condition.

• Recognizing the influence of various parameters on the

output for casing condition evaluation.

• Interpretation of various multi finger tool data to identify the

corrosion, pitting, metal loss and casing condition that will help

the client to take the required decision to maintain the well

integrity.

SOFTWARE KNOWLEDGE

Hands-on working experience in the following software’s:

EMERAUDE: EMERAUDE is the industry standard

software platform for production log shared between all major

service companies and most operating companies. It offers a

choice of zoned and continuous processing, with a two-step

global regression that matches the log data at all points. The

handling of multi-probe tools (MPT), such as Schlumberger FSI

and Sondex MAPS, produces an open, streamlined workflow

with an unparalleled range of tools for displaying, editing and

handling data. Additional options include multi-rate PL and SIP,

water saturation (PNL) monitoring, permeability correction and

formation test QA/QC.

PIPESIM: PIPESIM is a multiphase flow simulator used for

the design and diagnostic analysis of oil and gas production

systems and models multiphase flow from the reservoir to the

separator. The ability to accurately simulate a broad range of

scenarios and conditions has established PIPESIM software as

the industry leading flow simulation tool in production system

design. It provides a comprehensive set of workflows from well

candidate selection for workover, to the identification and

mitigation of flow assurance challenges, to online optimization of

the complete system.

ECRINE: It is an integrated platform for dynamic data

processing. It offers a comprehensive range of interactive

QA/QC tools including trends, tidal correction, gradient analysis

and the possibility to compare various gauges to detect sensor

drifts and wellbore effects. It also offers a comprehensive built-in

analytical catalog combining built-in well, reservoir and

boundary models, complemented by external models.

GEOFRAME: The GEOFRAME is an integrated

reservoir characterization system provides process control,

data management, graphics and interpretation utilities

across multiple disciplines (geology, geophysics and

petrophysics) for a broad range of applications.

OFM: OFM provides an integrated environment to

accomplish complex workflows, forecasting analysis and

visualization of reservoir and production data. OFM also

enables early detection of production problems and their

cause. It helps to View, relate, and analyze reservoir and

production data with comprehensive tools including

interactive base maps with production trends, bubble plots,

diagnostic plots, decline curve analysis, and type curve

analysis.

IN-SITU PRO: is stand-alone PC software to

provide the capabilities of pretest, real-time pressure

monitoring and QC and pressure post job interpretation.

WELL BUILDER: Well Builder is Schlumberger

software for make completion designs. Have used the tool to

combine completion design, equipment selection and

validation.

PLATO: Plato is production logging analysis,

interpretation and processing software.

TECHLOG: It is an interactive platform for data

analysis, interpretation and logging data processing for

various modules of geology, petrophysics, drilling, well

integrity etc.

FIELD EXPERIENCE

Have adequate field exposure to have basic

understanding of well intervention (E-line / Slickline / Coil

Tubing) operations.

Have good understanding of well completion, artificial

lift & stimulation techniques used in the industry.

Have visited the following well-sites for operational

insight of the activities:

• ONGC Drilling Rig site, Kasauli – June’2011

• CAIRN ENERGY Mangala Field– June-July’

2011- A visit to drilling rig, Completion rig, Well

services and well intervention department (Coil

tubing, Slickline & Wireline Operations)

CAIRN ENERGY Mangala Crude oil Processing Terminal –

Jan’2011

CAIRN ENERGY Nagayalanka Hydraulic Fracturing Well Site –

Feb’2012.

Schlumberger Wireline operations site at CAIRN ENERGY

Mangala Field in January 2014.

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