From the Mill to the Well

From the Mill to the Well

Tenaris Oilfield Services Delivering better value to oil and gas customers Tenaris Oilfield Services offers a complete range of tubular services to support your oilfield drilling and completion activities. Our services go beyond the production of oilfield tubular goods because we focus on managing the entire supply chain that supports your drilling operations. We use our logistical expertise and global network of service centers to provide a range of supply chain services such as full inventory management, just-in-time rig delivery, accessories procurement, sub-assemblies preparation and even the installation of goods to reduce costs, risks and lead times.

One Well. One Invoice. One Source. Through our unique manufacturing network and Service Centers, Tenaris offers all stages of supply chain management: manufacturing, procurement, distribution and customer service, no matter where you are in the world.

Supply Chain Management from the Mill to the Well More than 300,000 tons a year under a constantly growing number of contracts worldwide. Our management begins at the mill and continues through the transportation, inspection, preparation and installation of the tubular string into the well. Services are customized to fit each customer s tubular requirements. Whether you are interested in one service or many, you can be assured of our one purpose to add value to your operations. Drilling plan / Well design Production planning The Most Effective Way to Fulfill Your Tubular Needs Exploration Production Distribution OIL COMPANY Unique mill network minimizes inventories and maximizes supply flexibility Single source for tubular supply, inspection, installation and remnant handling Single source for string components, including accessories and special items Single source for preparation of sub-assemblies and pre-installation of equipment Reduced Total Cost of Ownership Well installation 4

Manufacturing / Threading Shipping Unloading Accessories management Transportation Rig returns inspection and refurbishment Local stock pipe management To rig / supply boat transportation Sub-assemblies make-up 5

Casing and Tubing String Design Years of experience supplying oil country tubular goods have enabled us to develop proprietary software for analyzing well requirements and specifying cost-effective tubes, connections, and accessories. We can help you define the optimum connections, tubular sizes and materials. Our scope of work includes: String design Working with tubular specifications, well data, your project goals and our proprietary design software, Tenaris can develop the casing and/or tubing string that provides the most cost-effective service for your drilling and production job. Corrosion analysis and material selection Tenaris helps customers perform both material selection and corrosion analysis to define the proper steel grade of pipes, and provides estimated levels of corrosion which allows for the optimum economic selection of products. In our analysis, we utilize preliminary design data along with best estimations of wellbore data including bottomhole pressure and temperature, oil, gas and water production rates, water and gas chemical analyses and, if applicable, the type of chemical inhibitor to be used. This custom analysis produces estimated rates of corrosion for a variety of materials that could be used in the well. Based on this output, our experts provide a steel grade recommendation that ensures the steel you install will be optimal for the forecast lifetime of your well. Verification If you already have a string design, we will review it thoroughly and will verify or offer recommendations that provide greater efficiencies. Ensure optimum performance and cost during the life of your well 6

Pipe Management Tubular goods and accessories account for up to 20% of the well cost, so knowing your inventory and how it is being handled and maintained is important. Tenaris s tubular management services can reduce or eliminate costly rig downtime. Services include: Stock planning Tenaris representatives coordinate shipment and delivery schedules based on your drilling plans so critical objectives are met. Inventory management Our inventory management services include controlled storage of materials in conjunction with a maintenance program. Port services This package includes documentation processing, customs clearances and pipe handling. Logistics services Tenaris can schedule and track the transportation of your tubular goods and accessories. Services include loading and unloading at the port, yard, delivery point, or well site. Preparation for downhole Our preparation services provide pipe ready for running. Cleaning, visual inspection, drifting, tallying, stenciling, running-compound application, removal of thread protectors, pre-slinging and other requirements a client may need are offered. Rig returns When pipe is returned from the well, Tenaris can inspect, segregate and repair if necessary. Tubular goods are returned to a status equal to original condition. Remnant management For tubular goods and accessories that are surplus, we can assist in finding a buyer or removal of the remnants. 7

Accessories Management Tenaris can supply accessories for both planned activities and emergencies. To accommodate either long- or short-term needs, we can draw from our strategically located worldwide inventories. Depending on the item, we provide procurement, manufacturing, supply and stocking of tubular, cementing and running accessories including: blast joints centralizers couplings crossovers float collars float shoes flow couplings guide subs handling plugs lift plugs pup joints stabbing guides stand-off bands stop collars test plugs Threading Tenaris has licensed over 120 qualified threading shops in major worldwide drilling areas for the repair, accessory manufacturing and end-finishing of new materials. These shops provide high quality and quick turnaround for threading and repair work. Inspection Services Our oilfield tubulars inspection services range from simple field gauging and drifting, to applicable forms of non-destructive testing. These services cover the complete range of tubular materials to ensure product integrity for demanding field applications. 8

Wellsite and Running Services Tenaris maintains crews of trained inspection technicians and running specialists that can supplement your rig crews throughout the world. Available services include: Wellsite inspection We provide on-site services from drifting to visual connection inspection. Tubular running Tenaris brings its product and expertise to the well, offering fully trained crews that perform running of casing and tubing strings. Technical running supervision For all premium connections and/or critical material applications, Tenaris can provide specialists in make up and running of premium connections and special materials such as high-chrome alloys. 9

Special Services Tenaris can supply products and services that other organizations do not or cannot provide. Our presence in major worldwide drilling areas makes it easy and cost-efficient for us to fill in the service supply chain blanks. Services offered are: Protector recycling Tenaris provides collection, segregation and recycling/refurbishment/disposal of protectors using environmentally sound practices. This is especially important when dealing with thread compounds and protector materials in environmentally sensitive areas. Consumables We can help complete supply chain management services by providing consumable items such as thread compound or slings. Slotted and perforated tubing services Tenaris can provide slotted and perforated tubing for completion operations. Technical Services Tenaris provides a complete services chain for tubular products. Technical services are available to cover the complete well package including: Technical support Client training and personal assistance are offered for special grades and premium connections. Standardization of materials We analyze field product performance for optimization of products and standarization of materials per field, area or region. Call your Tenaris representative today for more information. We can show you how we ve helped customers throughout the world improve their field operations and bottom lines. Joint customer research & development Tenaris engages in joint programs with customers to improve performance of materials and services. 10

www.tenaris.com/oilfield ARGENTINA Buenos Aires Rubén Fidalgo rfidalgo@siderca.com (54) 11 4018 2582 tel (54) 11 4313 9280 fax BOLIVIA Santa Cruz de la Sierra Richard Mariaca rmariaca@tenaris.com (591) 3 312 0603 tel (591) 3 312 0602 fax BRAZIL São Paulo José Rey Mendez jreymendez@confab.com.br (55) 12 244 9001 tel (55) 12 244 9004 fax CANADA Calgary Aldo Gentile agentile@tenaris.com (1) 403 514 2289 tel (1) 403 290 0619 fax CASPIAN SEA Aktau Derek Smith dsmith@tenaris.com (994) 1292 1411 tel (994) 1297 1023 fax CHINA Beijing Renwar Berzinji rtaha@tenaris.com (86) 10 6437 6744 tel (86) 10 6437 6746 fax COLOMBIA Bogotá Sergio Chamorro schamorro@tenaris.com (57) 1 636 2920 tel (57) 1 623 4780 fax ECUADOR Quito Marcelo Gonzalez Pondal mgonzalezpondal@tenaris.com (593) 2 298 6240 tel (593) 2 298 6250 fax EGYPT Cairo Hesham Reda hreda@tenaris.com (20) 2 2686 991 tel (20) 2 2686 990 fax ITALY Bergamo Antonio Zizzo dalazi@dalmine.it (39) 035 560 3416 tel (39) 035 561 048 fax JAPAN Kanto Kyoichi Nagata knagata@tenaris.com (81) 44 328 3430 tel (81) 44 328 0343 fax MEXICO Veracruz Pablo Gómez pgomezr@tamsa.com.mx (52) 229 989 1122 tel (52) 229 989 1119 fax NIGERIA Port Harcourt Jorge Mayer jmayer@tenaris.com (234) 8461 0299 tel (234) 8461 1859 fax NORWAY Stavanger Arnt Oxaas aoxaas@tenaris.com (47) 51 44 3440 tel (47) 51 44 3441 fax RUSSIA Moscow Alex Kondrashov akondrashov@tenaris.com (7) 095 502 1630 tel (7) 095 937 6781 fax SINGAPORE Singapore Soon Tee Sia stsia@tenaris.com (65) 6395 9000 tel (65) 6222 4090 fax UAE Dubai Ricardo Capria rcapria@tenaris.com (971) 4 2725 394 tel (971) 4 2725 392 fax UK Aberdeen Kazuo Yamazaki kyamazaki@tenaris.com (44) 1224 587 889 tel (44) 1224 587 422 fax USA Houston Tony Alvarado talvarado@tenaris.com (1) 713 767 4477 tel (1) 713 767 4444 fax VENEZUELA Caracas Gustavo Martin gmartin@tenaris.com (58) 212 902 3969 tel (58) 212 902 3937 fax oilfield@tenaris.com Tenaris Marketing Communications Version 04 / July 2005. Tenaris has produced this brochure for general information only and in no way assumes responsibility or liability for any loss, damage or injury resulting from the use of information and data herein.