Dudley Gray Subsea Systems Engineer
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- Subsea Systems Engineer Overview
- Experience Subsea Systems Engineer │ Various Assignments│ INTECSEA │ Sep 4, 2012-Oct 11, 2017
- June 1 to July 15, 2017.
- Jan – Nov 2016 - Hess Operated
- Chevron – Buckskin/Moccasin Phase 2B – Pre-FEED
- Anadarko – Prosperidade/Golfinho - Mozambique Project
- Chevron - Rosebank FPSO and Subsea FEED
- Subsea Equipment Engineer │ Various Assignments │ Hess Corporation │ 2010-2012 Subsea Tree Package Lead for Ceiba Redevelopment
- Stress Engineering, BP Subsea Systems (Overlap w/Hess 50/50 Nov 2010 – Mar 2011)
- Swift OG │ Various Assignments │ Chevron SASBU │ 2009 Lianzi Project
- Position │ Various Assignments │ Path Consulting │ 2007-2009 Chevron ETC
- Position │Various Assignments │ Aker Maritime / Coflexip / Technip │ 2000-2005
- Position │ Various Assignments │ FMC Houston │ 1996-2000
- Manager │ Various Assignments │ VetcoGray Singapore │ 1985 -1990
- Qualification Affiliations
- Publications/Presentations
Dudley Gray 
Subsea Systems Engineer Overview Mr. Gray has 43 years of experience in the offshore oil and gas industry with equipment suppliers, engineering service companies, and operators. This experience brings high value to fast track projects to ensure schedule is properly planned and achieved. Mr. Gray is a team player with proven track record in several recognized subsea projects with responsibility for important packages in such projects. Subsea tree experience ranges from simple diver assisted trees, installed on mudline suspension systems drilled by jack-ups, to the most sophisticated 15 ksi deepwater trees; both vertical trees installed on tubing head spools and horizontal trees with capability for on-tree and downhole chemical injection, plus downhole gas lift and smart well functions. One horizontal tree example included dual production hubs to enable jumper connections to both a manifold production test header and a manifold combined production header, thus eliminating the need for actuated valves and an SCM on the manifold. Trees, well jumpers and manifolds were integrated with an array of ROV-capable hot water hydrate remediation small diameter tubing runs installed on valve blocks, valves, jumpers, & header flowline piping before insulation was applied are among detailed project experience base. Experience Subsea Systems Engineer │ Various Assignments│ INTECSEA │ Sep 4, 2012-Oct 11, 2017 04 March – 01 August 2017 - SNEPCO – Shell Nigeria Exploration and Production Company Limited (USA Passport & 2 yr. Nigeria multiple entry visa - 4/26/2017- 4/26/2019) Bonga Southwest/Aparo – 43 Well Deepwater Subsea Field Development offshore Nigeria - Producing to an FPSO. BSWA SURF re-FEED in conjunction with DeltaAfrik Engineering Limited to issue ITTs for subsea production and water injection trees, manifolds, and controls equipment to bidders in September 2017. June 1 to July 15, 2017. – Subsea Hardware Lead – Six weeks assignment to Lagos Nigeria, Prepared: Subsea Production and Water Injection Tree Functional Specification and Data Sheet Completion/Workover Riser and Installation/Workover Control System functional Specification and Data Sheet Preparation of Standard and Smart Production Tree Schematics and Process Engineering Flow Schemes (PEFSs), coordinated efforts by drafting team to progress drawings for issue. Advised System Engineering Manager, Construction Manager, Interfaces Manager and Controls Equipment Lead as required for clarification of subsea hardware functionality and work scope. Jan – Nov 2016 - Hess Operated – Stampede Joint Development Project with Partners Chevron, Nexen and Statoil – Implement Phase – Multiwell Central US GOM subsea development of up to 12 wells producing from 2 drill centers in 3,500 ft water depth to a TLP. Subsea Tree Package Lead – Responsible for interfacing and coordinating efforts with Hess, their Partners, FMCTI and Third Party Inspection Team for the supply of Qty 7 ea. 18-3/4 x 15k EVDT Production Trees and Qty 4 ea. 18-3/4 x 15k EVDT Water Injection Trees. Chevron – Buckskin/Moccasin Phase 2B – Pre-FEED – Buckskin Moccasin development has transitioned to a tie-back system to the nearby Anadarko Lucius Spar installed and commissioned recently. Responsible for reviewing specifications, drawings and reports for the subsea trees, manifolds, jumpers, controls and boost pump equipment. Anadarko – Prosperidade/Golfinho - Mozambique Project – Prepared various subsea manifold and PLET specification documents to support the RFQ package. Chevron – Wilcox Tertiary Recovery Project (WTRP) Phase 2B – Pre-FEED: Concept selection for extending productive field life of Buckskin Moccasin by injecting gas in a third phase after primary and secondary recovery (water injection) phases have matured. Study defined and evaluated two stages of investment: Minimal Pre investment required for BSM base case to enable second stage Full investment including addition of a purpose built host facility for transitioning to gas injection using Water Alternating Gas (WAG) injection operation via the secondary recovery water injection wells. Responsible for reviewing specifications, drawings and reports for the subsea trees, WAG manifolds, jumpers, controls, umbilicals, boost pump and subsea separation equipment. Chevron - Rosebank FPSO and Subsea FEED: The Rosebank development is approximately 80 miles (130 km) northwest of the Shetland Islands in water depths of approximately 3,700 feet (1,100 m) in an area known as West of Shetland. Responsible for delivery of the subsea (SURF) equipment package and system level engineering documentation. Subsea Equipment Engineer │ Various Assignments │ Hess Corporation │ 2010-2012 Subsea Tree Package Lead for Ceiba Redevelopment – Prepared specs, coordinated the purchase, engineering, manufacturing/testing of 6 upgraded tree equipment order from Cameron, Leeds, England, including transport, set up and test upon arrival in Equatorial Guinea – in process 2011 – 2013. Stress Engineering, BP Subsea Systems (Overlap w/Hess 50/50 Nov 2010 – Mar 2011) Coordinated preparation of BP SPS Universal 15ksi – 18-3/4x5x2 Horizontal Spool tree hydraulic schematic. Supported Isabela project subsea tree EFAT in Cameron’s Berwick, LA facility. Reformatted Rig Manuals for trees, tubing hangers & associated tools. Assembled scope of supply document package (complete summary overview) of BP SPS GOM production control system for presentation to Engineering Contractor on Mad Dog North Extension.
Revised and updated Chevron Standard Subsea Equipment specifications. Assisted with preparation and presentation of training classes about subsea production equipment Subsea Equipment Engineer │ Various Assignments │ Path Consulting │ 2005- 2007 Chevron DWEP – Blind Faith Project – Subsea Equipment Lead Resident at FMCTI – coordinated engineering, manufacturing, assembly and testing of qty four 15ksi EHXT’s, one 4 slot Production Manifold, associated Well & Flowline Jumpers and two PLETs. FAT, EFAT & SIT including Control Systems, IWOCS and ROV Tooling Interfaces. Position │Various Assignments │ Aker Maritime / Coflexip / Technip │ 2000-2005 2003-2005 - BP Atlantis Subsea Trees, IWOCS, Manifold, PLETS & Jumpers – interfaced with BP & FMCTI during assembly & test phases of individual components & assemblies. 2000-2003 - BP Horn Mountain Spar Host SS Tieback/Surface Wellheads – interfaced with FMCTI & ABB Vetco Gray – coordinated engineering, manufacturing and test phases of both the Vetco Gray subsea tieback connectors and the FMCTI surface wellheads
Shell Mensa, Angus, Macaroni & Europa – managed FAT/EFAT/SIT testing phases of subsea manifold and trees. Project Manager │ Various Assignments │ Sonsub International │ 1990-1996 Shell Popeye Concentric Riser & IWOCS. Worked closely with Shell Deepwater Division in the conceptual development of the concentric completion/workover riser system used for Shell Popeye and later BP’s Troika project. Exxon Zinc - Responsible for coordination of all ROV Aspects for Manifold, Trees, Flowline Connections & Controls Interfaces. Was instrumental in the conceptual development of various ROV tooling including a remote guideline connector release tool, a hot stab removal tool and pioneered the ball entry nose on API 17H dual and single port hot stabs currently in use today. Manager │ Various Assignments │ VetcoGray Singapore │ 1985 -1990 Project Sales – Prepared technical and commercial proposals for various SEA clients for various field development concepts using VetcoGray subsea production equipment. 1987 – Bombay High – Project Manager for Field Installation Phases & Commissioning of SS Template Production System including subsea trees, manifold and EHMX read-back instrumentation system 1985/1986 – Project Manager for CPC Offshore Gas Field subsea and surface wellhead completions including concept development, engineering, equipment supply & Field Installation - Taiwan Strait – 1987 OTC Paper 5362 Noteworthy is that, because all subsea wells were predrilled by floaters in advance, the project was brought on stream in less than one year after subsea equipment order placement from EPC Contractor VetcoGray, who was responsible for supplying downhole well completion equipment in addition to the subsea satellite trees, subsea tieback equipment in combination with platform jacket completions including controls. Refer to 1987 OTC Paper 5362 and “Subsea Solutions Speed First Gas for Taiwan” Offshore Engineer – September 1987 for details. 1984-1985 -Supported Vetco Offshore, Ventura, CA. - Training Dept. – Authored, organized and presented Courses on Offshore Production/Subsea Completion – Travelled Worldwide, Statoil, Stavanger, Norway, VG Jakarta, Indonesia, Unocal Balikpapan, Shell Brunei, VG Singapore, VG Aberdeen, Scotland, VG Hayes, London England, VG Houston, TX. 1978/1983 - 10 well SS Production Sys. – Enchova/Bonito – Campos Basin, Offshore Brazil – From Concept initiation through Engineering Design, Project Management, Manufacturing, Assembly, Test and Field Installation. – Teamed with Petrobras for concept development in early engineering stages in USA. Transferred to Brazil for coordination and support of offshore installation and commissioning through phases 3 & 4 of the project – resident engineer in Brazil 1982 & 1983. OTC paper & presentation 1979. Various publications & presentations about the system listed following. Early 1978 – Managed the technical proposals group for preparation of conceptual solutions for multiwell subsea production systems using Vetco Offshore’s product line including wellhead equipment, valves, manifolds, production trees and control systems. 1975 – Presented seminar on subsea production to ONGC, Bombay, Delhi, and Dehra Duhn (HQ), India.
B.S., Mechanical Engineering, California State Polytechnic, San Luis Obispo, CA Licensed Professional Engineer, Texas TBPE 87986 Marine Technology Society - 22460 Society of Petroleum Engineers - 0675736 Publications/Presentations “A Ten Well Subsea Production System for the Enchova Field” Co-authored and presented OTC paper no. 3448, - 30 April-3 May, 1979 L. E. Reimert, D. J. Gray , Vetco Offshore, & Z.L. Machado of Petroleo Brasileiro, S.A. “Enchova Production System - A Model for Future Development “Petroleum Engineer International - March 1981 Dudley J. Gray “Subsea Trees Flourish in Brazilian Fields” Offshore Engineer – Feb 1984 – Dudley Gray of Vetco and Zephyrino Machado Filho of Petroleo Brasileiro “Design and Operating Experience with the Petrobras Enchova Template Production System” Co- authored and presented Petroleum Society of CIM Paper No. 84-35-91 - June 10-13, 1984, Calgary, Canada D. J. Gray & G. Murray Vetco Offshore “Petrobras Enchova/Bonito Production System, Design and Operating Experience” Authored and presented CORE Paper (Canadian Offshore Resources Exposition) Oct 16-18, 1984 Halifax, Nova Scotia, Dudley Gray – Vetco Offshore Inc. “Subsea Facilities for Floating Production Systems” Author: Dudley J. Gray – Seminar on Floating Production Systems – Nov 19-20, 1985 Presented to Memorial University of Newfoundland and NOIA, St. John’s Newfoundland “Unique One Year Development of an Offshore Gas Field: CBK Field Project” 1987 OTC Paper 5362 Overview of a shallow water 9 well development using combination of platform tiebacks of pre-drilled subsea wellheads, coupled with 3 satellite subsea wells installed with diver assistance. “Subsea Solutions Speed First Gas for Taiwan” Offshore Engineer – September 1987 – Dudley Gray – VetcoGray Hughes “Is Standardization The Key?” Subsea Engineering News, Vol. 34 No 10 May 25, 2017, - Dudley Gray, Craig Hume and Ron Ledbetter, INTECSEA, Inc. Houston “Subsea Production Systems” PowerPoint Training Presentations to Various Ghana Petroleum Co. and Engineering Universities, April 2-April 13, 2017, Dudley Gray, INTECSEA/Advisian, Mike Telly and Emmanuel Igbanaka, WorleyParsons Atlantic Engineers, Accra, Ghana DJG USA Passport has multiple entry Business Visa to Ghana valid from 5 May 2017 to 5 May 2021. Hosted by Augustine Felli, Gen. Manager - WorleyParsons Atlantic Engineers and Dorene Afenya.
Curriculum Vitae Dudley Gray INTECSEA Page of Commercial in Confidence Download 87.08 Kb. Share with your friends:
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