Contact Information

  • Waheed Kalhoro
    +92 300 525 4481

Description

Experience in reserves evaluation as per SEC and SPE PRMS, reservoir management, simulation by Petrel, production optimization, remained JV representative for non-operated assets, production forecast by OFM, material balance analysis by MBal, well modeling by Prosper, well test interpretation, reservoir pressure maintenance by water injection and dump flooding, RFT/MDT, DST, open hole well logs, development wells drilling follow up, PLT, workover rig and rigless jobs.

 

Industry

E&P

Location

Karachi Pakistan

Experience

Eni Pakistan Apr 2020 – Present
Reserves & Planning Team Leader and
Local Reserves Evaluator (LRE)

• Responsible to evaluate and report reserves and GHG emissions profiles to HQ (Milan) as per Eni, SEC and SPE PRMS guidelines

Reserves and Planning Team Leader Eni Pakistan
Jan 2013 – Present

• Prepared reservoir management plan (RMP) and reservoir surveillance plan for Bhit and Badhra gas fields and following implementation along with data acquisition and production performance monitoring
• Worked on field development plan (FDP) for a development of new reservoir level in Bhit gas field and performed well intervention by perforating new levels
• Identified and prepared scope of work for workover and rigless candidate wells in operated and non-operated gas fields and improved hydrocarbon production and reservoir recovery
• Worked on reservoir studies and reservoir simulation (Petrel) for development wells and prepared field depletion plan
• Implemented reserves management system (RMS) with reserves assessment, replacement and booking for all operated and non-operated fields
• Worked on reserves certification with third party certifier (Ryder Scott and D&M)
• Prepared yearly reserves documentation for internal and external reserves audits
• Worked on reserves movement from prospective resources to proved developed reserves
• Prepared production forecast for short term and long term basis using material balance (MBal) approach, simulation models (Petrel) and decline curve analysis (DCA) by OFM and Excel
• Worked on compression optimization for Bhit and Badhra gas fields and booked new reserves
• Assessed reserves using decline curve, volumetric method, material balance, simulation and analogue methodologies
• Presented technical works to JV partners (stakeholders) and government authorities (DGPC)
• Remained mentor for junior engineers and graduate trainees

Eni Iraq Dec 2010 – Jan 2013
Reservoir Engineer

• Worked on RFT data interpretation of Zubair wells and integrated reservoir pressure of different layers of carbonates and sand stones and monitored pressure regimes for reservoir modeling
• Updated Zubair field Eclipse model, optimized new development wells locations and prepared new wells proposals
• Prepared reservoir surveillance plan for reservoir monitoring and management and rigless proposals with scope of work for well testing, perforations, PLT’s and BHP surveys
• Selected water injection candidate wells with scope of work and designed injectivity test and monitored water injection performance through Hall plots
• Nominated candidate wells for Dump Flooding for secondary recovery
• Did PLT data analysis, prepared database and analyzed layers contribution in carbonates and sandstones for reservoir modeling
• Prepared wells production potential for Zubair field on monthly basis by Prosper and well PI using ESP intake pressure and did back allocation of production for more than 120 wells and updated simulation model with allocated production of wells
• Identified candidate wells for workovers and prepared workover proposals with scope of work and presented to counterpart Iraqi engineers and section heads
• Updated and managed OFM and ESP data base and monitored and optimized individual wells production performance
• Trained and remained mentor to local Iraqi reservoir engineers

Eni Pakistan Oct 2008 – Dec 2010
Reservoir Engineer

• Worked on Petrel models, updated wells pressure and production history, prepared field strategy and run simulation cases on natural flow and on compression and estimated incremental reserves.
• Worked on development of tight gas reservoirs
• Booked and assessed new reserves through MBal, P/Z plot using well abandonment pressure by Prosper model, DCA, Simulation and by volumetric method.
• Worked on new prospect evaluation with exploration team and prepared production profiles of new prospects with associated risk on recovery factor
• Followed gas well testing programs and did well test interpretation by Saphir
• Remained JV representative from reservoir department for non-operated fields, followed all the operations, and monitored fields with reservoir management and surveillance.

Orient Petroleum International Mar 2007 – Oct 2008
(Formerly Occidental Petroleum Pakistan Inc.)
Reservoir Engineer

• Worked on reservoir surveillance, production forecast, monthly KPIs, and field monitoring for operated and non-operated fields
• Designed water injection project for oil reservoir through Material Balance (MBal) and Prosper models and estimated incremental oil reserves
• Worked on PVT analysis and did interpretation of RFT and MDT
• Prepared technical documents of commerciality and field development plan of fields

BP Pakistan Sep 2006 – Mar 2007
Reservoir Engineer

• Worked on new development wells & facility upgrade on risk-weighted reserves by probabilistic approach though Crystal Ball and did economics evaluation
• Prepared reservoir surveillance plan for oil and gas fields
• Did water production forecast for oil field for surface facilities management and prepared Hall Plots for water injection wells and calculated skin created by water injection in oil reservoirs
• Worked on EOR though Bright Water technology and monitored field production behavior
• Worked on reservoir recovery factor based on reservoir complexity matrix jointly with reservoir geologist and geophysicist

BP Pakistan Feb 2004 – Feb 2006
Trainee Engineer

• Supervised rigless operations of Badin fields on well site including well testing with PLT, perforations, BHP surveys, wellbore clean out, swabbing, coil tubing, jet pump redressing, etc
• Recommended surveillance jobs and prepared slickline and wireline rigless job programs
• Worked on production optimization of artificial lift wells on jet pump and gas lift
• Designed well test and did interpretation by PIE software
• Estimated oil and gas reserves by Material Balance, P/Z plot and Decline Curve Analysis (DCA) along with production forecast
• Presented Crystal Ball software with orientation to Reservoir Engineering Team
• Witnessed well drilling operations with logging, MDT, casing, cementing and completion

Oil and Gas Development Company Limited Mar 2003 – Feb 2004
Assistant Reservoir Engineer (Trainee)

• Estimated reserves and worked on open hole logs in head office.
• Worked at Tando Alam Oil Complex and witnessed WO and rigless field operations and completed technical courses at Oil and Gas Training Institute (OGTI)

LASMO Oil Pakistan Limited Jun – July 2001

Internee
• Achieved practical work exposure of Rig site, Processing Plant and head office

Awards and Certifications

Award of SILVER MEDAL, at Mehran University Convocation 2002
Scholastic Achievement Award of Scholarship by SPE – Pakistan Section
Merit Certificate of Topper in Petroleum Engineering Department by Mehran University

Skills

Reserves evaluation, reporting and certification
Reservoir Management and surveillance
Reservoir Simulation by Petrel
Production forecast by OFM
Supervised rigless interventions
Workover candidate well selection
Water injection monitoring through Hall plots
Mentoring to junior engineers
Well test interpretation
Material Balance

Education

2014
Postgraduate Certificate Heriot Watt University, Edinburgh-UK
(Petroleum Engineering)

2002
BE in Petroleum & Natural Gas Engineering Mehran University, Jamshoro-Pakistan
(First Position)