Senior Drilling Engineer Well Planning & Operations

Ahmet Abdyyev – Senior Drilling Engineer

PROFILE

• Email: ************@*****.***

• LinkedIn Profile: Ahmet Abdyyev – Senior Drilling Engineer

• Location: Aberdeen, UK

PROFESSIONAL OVERVIEW

I am an experienced drilling engineer with strong technical, analytical, and communication skills, demonstrated through diverse assignments in drilling, decommissioning, well integrity, and intervention activities both offshore and onshore. I actively seek opportunities to broaden my knowledge and experience in challenging offshore, onshore HT, HP, high H2S, high step out wells, and interception boreholes utilising most advanced ranging technologies. SKILLS

• Ability to work independently within a given framework.

• Ability to assess challenging well scopes and develop most suitable designs and procedures with proper mitigations.

• Strong project management skills, including timely delivery of work programs and risk mitigation planning across multidisciplinary teams.

• Exceptional planning and organisational skills in identifying the required work plan, developing tender SoWs, and informing the project schedule based on the availability of required equipment and installations.

• Proficient in Russian and Turkish languages with international experience. EMPLOYMENT HISTORY

BP / THREE60 ENERGY UK (CONSULTANT) – Snr Wells Engineer 11/2025 – Present

• Engineering study reports – use of formation as a barrier, fluid disposal study

• Review flow potential zones for optimum, safe and efficient abandonment design

• Conduct tender evaluation, create SoWs for various services

• Statutory submissions required for well activities

• Develop well programs and procedures

• Cost and time estimates

TOTAL ENERGIES, UK (CONSULTANT) - Wells P&A Engineer 06/2025 – 11/2025

• Develop P&A concepts for subsea wells based on vessel based and rig based operational capabilities

• Review EOWRs and production data to establish critical information on tubing and well conditions

• Establish TOC depths and review subsurface requirements to inform P&A plug placement strategy

• Develop time and cost estimates for temporary and permanent abandonment operations

• Identify and order long-lead equipment required for subsea P&A operations

• Prepare well BoD and work programs for well suspension and P&A phases EQUINOR, NORWAY (CONSULTANT) – Senior Drilling Engineer 11/2024 – 06/2025

• Design and execute slot recovery operations maintaining future well integrity.

• Evaluate well specific risks to inform efficient well design (e.g. use of liner strings).

• Work closely with interventions team to define critical barriers for the removal of XT.

• Develop procedures with suppliers for the contingency release of ASV, production packers & plugs.

• Prepare programs with contingency cut and pull procedures, P&A plans and alternative KO depths.

• Optimisation of P&A operations with the use of combination cut & pull BHA to reduce rig time.

• Review optimisation opportunities for wellhead change out scopes during P&A. ANGLOAMERICAN, UK (Three60 Energy) – Senior Drilling Engineer 08/2022 – 11/2024

• Plan and drill an interception wellbore using advanced acoustic and magnetic ranging technology

• Optimize mapping and interception plans based on critical well design inputs, such as drilling through troublesome salt formations vertically and minimising exposure time

• Analyse real-time data to optimise drilling parameters, to reconfigure the BHA design, bit selection

• Monitor salt-saturated mud system parameters (e.g., salinity, MBT, fines content) to optimise ROP and hole cleaning

• Implement Management of Change process

• Prepare surge and swab limits for tripping speeds; monitor torque & drag, hydraulics

• Conduct extensive coring operations using super singles hydraulic drilling rigs

• Prepare SoWs and conduct technical evaluations for tendered services

• Manage contracts, monitor contract values, and verify invoice details to track actual spending SPIRIT ENERGY, UK (North Sea) – Senior Drilling Engineer, North Sea 01/2020 – 08/2022

• Undertake slot recovery operations on a Southern North Sea NUI using a JU rig to drill and complete a challenging gas well with a 3.5k step-out drilling through Zechstein salts

• Develop P&A concepts for subsea wells based on the capabilities of DSVs, LWIVs (e.g., through tubing cementing, setting bridge plugs, dive spread availability), and Semi-sub rigs (e.g., rig move complications due to anchor spread limitations, AHV requirements, dive spread requirements for contingency tree barrier placement).

• Review EOWRs and production data to establish critical information on tubing and well conditions

• Establish TOC depths and review subsurface requirements to inform P&A plug placement strategy

• Design suspension and P&A plans for multiple complex CNS subsea wells using LWIV and a Semi in accordance with OGUK guidelines

• Develop probabilistic & deterministic time and cost estimates, e.g. using cost estimation tool P1

• Identify and order long-lead equipment required for MODU and LWIV operations, including DSVs.

• Prepare work packs and provide onshore engineering support to LWIV operations

• Prepare well AFEs, BoDs, drilling programs, and OSDR notifications, and monitor usage against chemical permits

• Lead risk assessments, peer reviews, and pre-spud meetings

• Conduct after-action reviews and prepare a lessons-learned register for future well planning

• Perform full abandonment of NUI slanted wells in the East Irish Sea using JU rig and slanted P&A unit

• Perform annulus cement remediation using perf & wash, casing punch methodology

• Install P&A plugs using sacrificial cement stingers

• Perform conductor and wellhead recovery operations BP, UK (North Sea), Drilling Engineer – Drilling Engineer 09/2013 – 12/2019

• Provide engineering support for a dual derrick semi sub drilling unit, platform drilling and intervention operations

• Prepare field and well specific BoDs, drilling programs using Compass, WellCat, StressCheck, WellPlan Landmark modules

• Design and drill Central North Sea subsea horizontal wells around salt domes using semi-sub MODUs

• Perform P&A of old long term suspended subsea wells with vertical XT using semi-sub rigs

• Prepare HSE notifications and provided inputs for all regulatory notifications

• Develop strategies for drilling through potential shallow gas-bearing zones. Establish operational limitations by assessing dynamic kill feasibility, including the ability to drop the drill string and safely drift off the location. Develop a top hole drilling strategy to eliminate the need to shut in production wells due to dropped object risks

• Prepare AFEs for drilling, pre-P&A, and full P&A scopes by benchmarking against industry experience

• Conduct incident investigations on operations resulting in major NPT, such as stuck pipe and cemented BHA

• Collaborate with the Asset Operations team to support well integrity and asset decom plans

• Resolve emergent wellhead and XT repair work scopes, including diagnostics of safety valves Develop a plan to enable the black start of a CNS platform using existing producers

• Retrofit platform wellheads with surface annulus safety systems on wells with managed SCP

• Addressed well integrity issues involving wellhead and XT repairs, including downhole safety valve remediations

• Work as a technical representative on a DSV carrying out repair work on severed conductors RWE DEA AG, Turkmenistan (Caspian Sea) – Drilling Engineer 10/2012 – 09/2013

• Evaluate the complexity of accessing the block in shallow water to inform rig and site selection.

• Design deep and complex exploration wells, drilling from shore into the offshore block.

• Collaborate closely with the subsurface team, incorporating inputs from nearby fields to establish PPFG data for exploration wells.

• Conduct the tendering process for selecting drilling units, core drilling services (ISPM), and site construction services.

GULF OIL AND GAS, Turkmenistan (South Yoloten) – Drilling Engineer 03/2012 – 09/2013

• Drill HT and near HP wells with 4% H2S concentration, 160degC BHT

• Conduct extensive well control operations to safely contain fluids from abnormally charged (>2.0 SG) mobile salt formations.

• Revise the BoD to ensure successful isolation of high-pressure mobile salt and the subsequent drilling of the raft.

• Coordinate core services, including rig contractor and managed pressure drilling (MPD) services on site

ENI, Turkmenistan – Drilling Engineer 10/2008 – 03/2012

• Plan and drill onshore multi-well development fields

• Prepare tender documentation for services supporting the multi-well program

• Prepare well costs, drilling budgets, BoD, and drilling programs

• Drill and abandon high-pressure appraisal wells

• Perform workover activities, involving water shut-off and re-completion

• Conduct coiled tubing (CT) radial drilling for production optimisation SCOMI OILTOOLS, Turkmenistan – Mud Engineer 06/2007 – 10/2008

• Provide drilling fluid services, including diesel-based OBM, KCL Polymer, and Glycol systems

• Manage the building and supply of SBM from a Liquid Mud Plant to offshore rigs

• Coordinate the processing of drilled cuttings and the recovery of base oil at an onshore thermal plant

• Produced mud recaps for drilled wells, covering chemical consumption, costs, properties, and shaker screen usage

EDUCATION

International Turkmen Turkish University, Turkmenistan 2000 – 2004

• (Diploma) Bachelor’s degree in science of engineering Polytechnic Institute, Turkmenistan 2008 – 2009

• (Certificate) Drilling Oil & Gas Wells

CERTIFICATES

• IWCF Drilling Well Control Combined Surface & Subsea Supervisor Level 4 02/2028

• Offshore Medical Certificate 10/2026

• Minimum Industry Safety training (MIST) 11/2029

• Offshore survival 14/2029

TRAINING

• TSA course (BP) 06/2018

• Cerberus modelling (Halliburton) 03/2018

• High Angle, Complex Well & Extended Reach Drilling Operations Course (Merlin) 08/2017

• Petrel well planning (SLB) 09/2016

• Drill string Design (Grand Prideco) 10/2014

• Riser and Conductor Analysis (BP) 09/2014

• Deepwater drilling course (BP) 06/2013

• Landmark EDM modules: StressCheck, WellPlan, Compass, WellCat (Halliburton) 06/2013

• Pore Pressure Prediction (BP) 05/2013

• Annulus Pressure Build Up / Wellhead Lockdown Analysis (BP) 05/2013

• Well Design and Engineering (Petrofac) 08/2011

• Drilling Fluids (Scomi Oiltools) 02/2008

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