John Sitzman

John Sitzman Email and Phone Number

Former Process Gas Technologist at North Caspian Operating Company/Retired from ExxonMobil
John Sitzman's Location
Covington, Louisiana, United States, United States
John Sitzman's Contact Details
About John Sitzman

Over 42 years of oil & gas industry experience, mainly in process and facilities engineering technical roles. Background also includes several years of reservoir engineering experience. Areas of strength include:• Analytical skills (strong technical background and innovative approach to problem solving) • Risk assessment and HAZOP leadership • Extensive operations surveillance and startup experience• Interpersonal skills (approximately 25 years of international work experience in variety of cultures, good networking and consensus-building skills)• Technical leadership and mentoringRetired from ExxonMobil on February 1st 2015

John Sitzman's Current Company Details

Former Process Gas Technologist at North Caspian Operating Company/Retired from ExxonMobil
John Sitzman Work Experience Details
  • North Caspian Operating Company N.V. (Ncoc N.V.)
    Process Gas Technologist (Retired From Exxonmobil)
    North Caspian Operating Company N.V. (Ncoc N.V.) May 2016 - Dec 2020
    Atyrau, Kz
    • Provided commissioning and pre-startup execution services for major onshore sour gas processing facility (Kashagan Project).• Operations Technical Advisor during successful commissioning and startup of sour gas processing facility. • Production Engineering Advisor and Lead Operations Support Engineer for gas sweetening and sulfur recovery facilities during post-startup phase.• Implemented various process optimization initiatives post-startup which contributed to exceedance of design throughput oil and gas rates by about 15%.• Provided planning and execution support for major gas plant turnaround during 2019. • Responsible for mentoring of younger Kazakhstan engineering staff.
  • Keystone Engineering Inc. (Retired From Exxonmobil)
    Sr. Process Engineer (Retired From Exxonmobil)
    Keystone Engineering Inc. (Retired From Exxonmobil) Apr 2015 - Apr 2016
    Process engineering and design services.
  • Mobil Equatorial Guinea Inc.
    Engineering Advisor
    Mobil Equatorial Guinea Inc. Jan 2010 - Jan 2015
    • Led various risk assessments associated with ongoing operations or facility modifications offshore Equatorial Guinea. Stewarded open risk assessment findings and action items to completion. • Responsible for development of facilities surveillance plans and procedures. Developed operating envelopes with operations personnel to ensure critical limits are effectively managed. Routinely verified that performance is within expectations and progressed opportunities to improve operating efficiency, reduce operating costs, and minimize downtime. Developed trends for key parameters relative to the operating limits to identify current or emerging issues before they could otherwise disrupt operations.• Responsible for identification and advancement of opportunities to improve platform safety and environmental performance, capacity, reliability and operating costs. Planned and participated in periodic reviews of key performance measures. • As experienced technical lead, ensured that facilities operational activities and procedures complied with technical standards and integrity constraints. Provided technical advice during development of operating procedures and work plans for maintenance and modification activities. Reviewed and approved drawing markups associated with facilities modifications. • Led various failure incident investigations and root cause failure analysis (RCFA) teams. Ensured timely closure of RCFA recommendations and action items.• Responsible for technical mentoring of younger national engineers from Equatorial Guinea.
  • Esso Exploration And Production Nigeria/Mobil Producing Nigeria
    Process Engineering Advisor
    Esso Exploration And Production Nigeria/Mobil Producing Nigeria Sep 2004 - Dec 2009
    • Responsible for development of Operations Support plans for new deepwater development offshore Nigeria. Managed Project Team-to-Operations transition processes to ensure smooth handover of new facilities.• Lead engineering team member during HAZOP update for deepwater FPSO facilities offshore Nigeria. Worked with Operations to assign responsibilities for follow-up actions. Developed detailed prioritization and work plans to resolve HAZOP findings. Stewarded closeout of action items, including scope development and implementation for 3rd party Relief Study update and SIL Study re-evaluation. • Member of high-level team investigating iron carbonate fouling of LP compressor bundles which caused major production interruption. RCFA completed on fouling mechanisms and mitigation options and mitigation actions developed, including change of metallurgy, vapor phase CI injection, bundle changeout, etc.• Brownfield project liaison for expansion of existing deepwater development. Led review team on water injection system design issues resolution. Responsible for development of pigging concepts for new subsea drill centers utilizing existing topsides facilities.• As experienced technical engineering lead, responsible for routine reviews of facility engineers work products, operating procedure technical reviews, equipment strategy criticality assessments, process modeling results, etc.
  • Abu Dhabi Company For Onshore Oil Operations
    Sr. Process Engineer
    Abu Dhabi Company For Onshore Oil Operations Sep 1997 - Aug 2004
    • Led Concept Screening Study Team evaluating various options and costs for major onshore/offshore grass roots development. Prepared numerous Management and Shareholder presentations resulting in approval of project.• Responsible for managing FEED consultant process engineering activities for major onshore/offshore grass roots development project. • Responsible for progressing and coordinating EPC consultant process design activities and deliverables for major onshore/offshore grass roots development project.• Certified HAZOP Facilitator responsible for serving as resource to projects across entire ADCO Engineering and Major Projects Division. Recognized technical expert having led numerous HAZOP reviews for wide range of facilities.• Provided technical and field support to Operations organization to identify and rectify process-related problems.• Technical and Development Mentor for UAE national process engineers, responsible for stewarding Training and Development Plan, including on-the-job training activities, technical courses, and organizational skills training. Provided one-on-one support to orient young engineer to work environment and performance expectations.
  • Exxoncompany Usa
    Staff Engineer
    Exxoncompany Usa Jan 1994 - Aug 1997
    • Responsible for planning and surveillance activities for major gas production facilities in eastern Gulf of Mexico, including deepwater production platform and subsea gas template. • Implemented various facility upgrades and operating improvements, including vapor recovery and sales gas compression, utility improvements, produced water handling, methanol injection, and glycol dehydration optimization. • Member of team responsible for developing and implementing subsea repair plans, including hydraulic umbilical and pigging valve assembly. Provided technical support to construction teams.• Risk assessment expert responsible for evaluating risk/consequence potential for various offshore facilities. Member of division-wide Risk Assessment Team with responsibilities for developing risk assessment policy and procedures. Led several Process Hazard Analysis and Pre-startup Assessment teams for new offshore facilities.• Responsible for mentoring new engineers and assisting in developing technical skills.
  • Exxon Company Usa
    Staff Engineer/Start-Up Engineer
    Exxon Company Usa Sep 1988 - Dec 1993
    • Responsible for process simulation studies (ASPEN) to evaluate options for sour offshore gas processing and conditioning, including glycol dehydration/regeneration, low temperature separation, sour water handling, and solids hydrocarbon handling. • Coordinated air pollutant dispersion studies and air permit application process for processing platforms in environmentally sensitive near-shore area.• Lead process engineer for engineering team resident in contractor offices designing offshore production facilities to handle sour gas production.• Coordinated leak sensitivity studies with leak detection software vendor to determine expected performance of offshore pipeline leak detection system. Implemented installation of system in the field environment.• Representative on HAZOP Review Team to evaluate the process and mechanical design of offshore facilities handling hot, sour, high pressure gas. Coordinated Significant Event Assessment study. • Responsible for design of 42-bed offshore living quarters building, including development of specifications and bid invitation package, monitoring of design contractor activities and expenditures, and preparation of construction bid package. • Facilities engineer resident in construction contractor yard providing resolution of design issues and construction support during fabrication of offshore production facilities. Responsible for P&ID review of facilities during construction. Also responsible for commissioning and startup planning during this period.• Lead commissioning and startup engineer for offshore production facilities handling 100 MCFD of sour gas and liquids. Led work activities of 10-man commissioning/startup team. Interfaced with field construction team to prioritize offshore hook-up work to support commissioning and startup. Developed schedule and budget for commissioning and startup scope of work. Responsible for ensuring customer (Operations) acceptance upon completion of startup.
  • Esso Exploration And Production Uk
    Staff Reservoir Engineer
    Esso Exploration And Production Uk Mar 1986 - Aug 1988
    • Reservoir engineering responsibilities for several North Sea oil fields as part of a non-operator organization having overall stewardship responsibility for development and production of Esso hydrocarbon reserves (Shell/Esso joint venture).• Coordinated engineering and economic evaluation of infill drilling program using subsea completions. Developed recommendations for well completion strategy and presented to operator for implementation. • Supported Production Engineering study effort to evaluate major facility upgrades to North Cormorant. Developed production profiles and economics to assess project viability.• Responsible for evaluations and operator negotiations required to agree drilling locations for Fulmar Phase II drilling program. Prepared management presentations.• Coordinated reservoir simulation studies at Exxon Production Research for the Fulmar field. Developed scopes of work and ensured implementation. Responsible for technical and cost stewardship.
  • Esso Exploration And Production Uk (Seconded To Shell)
    Facilities Design Engineer
    Esso Exploration And Production Uk (Seconded To Shell) Mar 1985 - Mar 1986
    • Facilities design engineer for proposed centralized production platform forming part of a Central North Sea cluster development, including drawing and specification review. • Responsible for review of platform topsides layouts during conceptual design phase. • Coordinated development of platform topsides maintenance philosophy. Reviewed removal and installation access and facilities requirements to ensure ease of maintenance and ensured implementation in design.• Responsible for evaluation and optimization of facilities availability and reliability using Shell computer software. Performed economic trade-off analyses to determine optimum sparing configurations and pump/compressor driver types (capital expenditures vs. availability of production.• Coordinated development of topsides HVAC philosophy using both natural and forced ventilation. Responsible for review of HVAC equipment specifications, PFDs, and P&IDs. Developed work scope for wind tunnel testing program.
  • Exxon Production Research Company
    Staff Engineer
    Exxon Production Research Company Sep 1984 - Mar 1985
    • Responsible for evaluation of alternative drilling options for tender supported drilling operations on small unmanned production platforms in South China Sea. • Preparation of feasibility studies
  • Arabian American Oil Company
    Staff Engineer
    Arabian American Oil Company Mar 1981 - Sep 1984
    • Coordination of conceptual design and planning for new facilities and modifications to existing facilities (Safaniya, Zuluf, and Marjan fields).• Developed conceptual requirements for major new production related facilities, including pressure maintenance, secondary recovery, gas lift, wet crude handling, gas gathering, and gas/oil separation
  • Exxon Company Usa
    Senior Reservoir Engineer
    Exxon Company Usa Jun 1980 - Mar 1981
    • Responsible for reservoir surveillance activities for offshore gas field producing from several competitive reservoirs and an onshore oil field structured around a piercement type salt dome. Responsible for workover initiations and drillwell evaluations for the above fields. • Developed depletion plan for gas field based on water influx information and exchange of data with competitive operator.• Evaluated CO2 injection project in major reservoir of onshore oil field. Coordinated coring, core analysis, and PVT work required for analysis of enhanced recovery potential.
  • Exxon Company Usa
    Senior Project Engineer
    Exxon Company Usa Jun 1978 - Jun 1980
    • Provided start-up and plant testing assistance as member of start-up team for large cryogenic gas processing plant. • Responsible for project planning and economic evaluation of tertiary recovery project (nitrogen injection). • Responsible for evaluating proposed gas processing agreements for various joint interest gas plants operated by others.

John Sitzman Skills

Gas Upstream Engineering Oil/gas Petroleum Project Engineering Petroleum Engineering Subsea Engineering Onshore Drilling Epc Oil And Gas Energy Commissioning Energy Industry Oil And Gas Industry Feed Process Engineering

John Sitzman Education Details

  • Lamar University
    Lamar University
    Chemical Engineering

Frequently Asked Questions about John Sitzman

What is John Sitzman's role at the current company?

John Sitzman's current role is Former Process Gas Technologist at North Caspian Operating Company/Retired from ExxonMobil.

What is John Sitzman's email address?

John Sitzman's email address is tb****@****bal.net

What is John Sitzman's direct phone number?

John Sitzman's direct phone number is +198577*****

What schools did John Sitzman attend?

John Sitzman attended Lamar University.

What skills is John Sitzman known for?

John Sitzman has skills like Gas, Upstream, Engineering, Oil/gas, Petroleum, Project Engineering, Petroleum Engineering, Subsea Engineering, Onshore, Drilling, Epc, Oil And Gas.

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