Bob Parrott, Principal Engineer at Schlumberger Reservoir Completions Center in Rosharon, Texas, has had general responsibility for the design and develop- ment of hollow-carrier perforating gun systems since 2003. He joined Schlumberger Canada as a junior fi eld engineer in Red Deer, Alberta in 1977. He worked in several Canadian locations until 1982 when he trans- ferred to Rosharon as a development engineer for the
fi rst-generation HSD* High Shot Density gun systems. He has worked on new perforating gun systems includ- ing the OrientXact system developed for extended- reach horizontal wells for Hydro and Statoil in Norway. The author of many papers and more than 15 patents, Bob earned a BS degree in mechanical engineering from the University of Manitoba in Winnipeg, Canada; and an MBA degree from Houston Baptist University in Texas.
Alistair Roy, Senior Completion Engineer for the Rhum gas fi eld in the BP Developing Business Unit in Aberdeen, Scotland, is charged with planning the com- pletion of three high-pressure, high-temperature wells in early 2005. Prior to joining BP in 2000, he worked as a petroleum engineer for Marathon Oil, Monument Oil and British Gas. Alistair holds a BS degree (Hons) in applied geology from University of Strathclyde, Glasgow, Scotland; and an ME degree in petroleum engineering from Heriot-Watt University in Edinburgh, Scotland.
Daniel Shirmboh is responsible for technical support and sales for all operators in the North Sea in his posi- tion as sand-control sales engineer for Schlumberger in Aberdeen, Scotland. After graduation from Université de Ngaoundé ré in Cameroon with a Diplome Grande Ecole in mechanical and electrical engineering in 1990, he began his career as a fi eld ser- vice technician for Schlumberger Dowell in cementing services and then in matrix acidizing services and sand control. Before moving to Aberdeen in 1998, he worked in Cameroon, the west African coast and Algeria. At Aberdeen, he worked as sandface comple- tion specialist on projects in the CIS. He also worked on projects for ChevronTexaco in Kazakhstan, for Petrocanada in the Guillemot West western extension project and introduced AllPAC‡ gravel-packing systems to BP West of Shetland and the Blake Flank fi eld. Daniel has an MS degree in oil and gas technology and management from the University of Aberdeen.
Timo Staal, REDACoil* Business Development Manager at the Schlumberger Artifi cial Lift Center of Excellence in Inverurie, Scotland, manages coiled tub- ing-deployed electrical submersible pump services. Previously, he was manager in Muscat, responsible for Schlumberger Well Services activities in Oman, includ- ing a 60-well coiled tubing (CT) plugging and abandon- ment project for PDO. He joined Schlumberger in Turkey as an engineer trainee in 1992 and then became a fi eld engineer for cementing and CT in Denmark. His next assignment was with Sedco Forex in France as an assistant driller and rig engineer. In 1995, he trained crews in CT drilling and wrote the operations manual for the fi rst successful underbal- anced CT drilling well extension in Norway. His subse- quent responsibilities included CT drilling in Nigeria, Norway and Denmark, before transferring to Houston as CT drilling business development manager. Timo earned an MS degree in industrial engineering and management from Eindhoven Technical University in The Netherlands.
Morten Stenhaug is a consultant for Statoil ASA in the Visund Field Petroleum Technology Department. Prior to this, as a consultant for Norsk Hydro, he was the production technology discipline leader for the Visund
fi eld. He has also been contracted by other major oper- ating companies to carry out studies related to com- pletion, production technology, well design and cost-benefi t assessments. Before founding his own company, Most Petroleum Consulting and Services AS, he worked for Norsk Hydro throughout the North Sea area. Morten holds an MS degree in petroleum tech- nology from the Norwegian University of Science and Technology in Trondheim.
Scott Tinkham, Schlumberger Product Champion for Coiled Tubing Drilling Services in Sugar Land, Texas, provides technical, commercial and marketing support to worldwide CT drilling operations. He joined Schlumberger in 1984 as a wireline fi eld engineer in Prudhoe Bay, Alaska. He has also worked as an MWD/LWD staff engineer and fi eld-test coordinator for Teleco Oilfi eld Services and Baker Hughes Inteq. Scott rejoined Schlumberger in 1998, after earning an MBA degree from the University of Houston, Texas. He has written two SPE papers on CT drilling bottomhole assembly technology and holds a BS degree in applied earth sciences from Stanford University in California.
Allan Twynam, BP Senior Drilling Engineer (Fluids), is based in Sunbury, England, in the Exploration and Production Technology Group. There he manages the
fl uid laboratories and is responsible for technical support and development projects in all aspects of reservoir drilling and completion fl uids and formation-damage mitigation. He joined the drilling and completions branch at the BP Research Centre in 1990 after eight years as a wellsite drilling fl uid engi- neer and base manager in Great Yarmouth for BW Mud, UK. He then worked fi ve years as fl uids technical support engineer for BP International operations over- seas and three years in Caracas, Venezuela, managing
fl uids, cement and waste-management contracts for BP Venezuela. Allan returned to Sunbury in 1998 to lead technology development projects in drilling waste management. Following the BP Amoco merger, he managed fl uids and formation-damage projects for BP. Allan received a BS degree (Hons) in geology and geography from University College, Cardiff, Wales.
Adi Venkitaraman, Sand Management Solution Champion for Schlumberger, is based in Houston. His current focus is on sand management, with emphasis on a holistic approach to completion optimization in weak sands. In his 11 years with Schlumberger, he has been involved in formation damage research, primarily perforation damage. Adi obtained a BS degree in mechanical engineering from University of Kerala, India; and an MS degree in petroleum engineering from University of Texas at Austin.
Olav Vikane, Special Adviser for Well and Production Technology at Statoil ASA, is based in Stavanger, Norway. He joined the company in 1984 as a staff engi- neer in drilling and completion fl uids and worked in reservoir engineering, oilfi eld chemistry and produc- tion technology before assuming his current post in 2003. Olav holds an MS degree in mathematics, physics and chemistry, and a PhD degree in physical inorganic chemistry, both from the University of Bergen, Norway.
Mike Williams, Schlumberger Global Drilling Sales Manager for Drilling and Measurements in Sugar Land, Texas, works to ensure that client partners employ the most cost-effective drilling technology. He began his career with Schlumberger in 1987 as a mud logger in the southern North Sea. He has worked on directional drilling projects with increasing responsi- bility in the North Sea, at Wytch Farm on Shell UK mobile rigs, and the Brent fi eld, and as business devel- opment manager for drilling-related services in the UK North Sea. The author of several papers, Mike has a BS degree (Hons) in earth sciences from the University of Birmingham, England.
Allan Wilson, Completions Engineer for BP Exploration in Aberdeen, Scotland, is responsible for the design and installation of subsea sand-control completions in the deepwater Foinaven, Schiehallion and Loyal fi elds. He provides conceptual and detailed completion designs, program planning, operational support and contractor management. Before accepting this position in 2000, he worked as a coiled tubing engineer, applications engineer and coiled tubing project manager. Allan holds a BE degree (Hons) in engineering technology from The Robert Gordon University in Aberdeen.
Katsuhei Yoshioka, Senior Reservoir Geophysicist in the Reservoir Department, Development Division, began his career with JAPEX in 1991 as an exploration geophysicist. Before accepting his current assignment in 2000, he worked as a research geophysicist and exploration geophysicist in several divisions of the company. Katsuhei earned an MS degree in seismology from Kyoto University in Japan.
Kean Zemlak, Schlumberger New Technology Manager for Coiled Tubing Services in Sugar Land, Texas, oversees business development, marketing strategy, client interface, project valuation and portfo- lio management. He joined Schlumberger Canada in 1992 to work in cementing, fracturing and matrix stim- ulation. In 1997, he joined Chevron Canada Resources as a completions, workover and drilling engineer while completing a BS degree in mechanical engineering from the University of Alberta in Edmonton, Canada. In 1998, he rejoined Schlumberger as a fi eld engineer specializing in coiled tubing. Since then, he has worked as a technical engineer in Canada, product champion for the offshore CT EXPRESS* rapid-deploy- ment coiled tubing unit, and alliance advisor for inter- vention with BP in Norway, and was coiled tubing services and matrix operations manager in the UK. Kean is the author of several papers and one patent.
Murtaza Ziauddin, Schlumberger Senior Engineer at the Sugar Land Product Center, works on matrix stim- ulation of sandstones and carbonates, hydraulic frac- turing and organic and inorganic scale. He led the development of Virtual Lab technology, a geochemical simulator for matrix acidizing, inorganic scale predic- tion and water-compatibility testing. He is involved in developing a predictive rheology model for polymer- base fracturing fl uids and with acidizing models in StimCADE software. Murtaza joined Schlumberger in 1997 after receiving a BS degree from the University of Houston, and a PhD degree from the University of Minnesota at Minneapolis, USA, both in chemical engineering. The author of many papers, he also holds several patents.
An asterisk (*) is used to denote a mark of Schlumberger. ‡ AllPAC is a mark of ExxonMobil and is licensed to Schlumberger.
Spring 2004 71
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