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Iron RoughnecksDRAFT

Stemming from the developmentof “Big Foot” in the 1970s, NOVIron Roughnecks are the mostversatile and dependablesolutions for handling tubularconnections on the drill floor.Building from our experience inequipment manufacturing, weoffer a fleet of iron roughnecks- both for land and offshore.Evidenced by our ST-80C2 IronRoughneck, we continuouslyimprove our models basedon customer feedback andengineering analysis. In additionto control responsiveness, easein serviceability and compactconstruction, our iron roughnecksare designed to minimize rig floorhazards and streamline the makeand break process, providing youmaximized uptime and improvedcrew safety. We also supportour Iron Roughnecks in the fieldthrough our global aftermarketservices team.

Product Name 14/15Overall Features Compact size and lightweight - ideal for small drill floors; some models have ability to relocate away frompersonnel by raising/lowering when fully retracted to provide clearance underneath Flexible mounting methods - linear track mounted and/or on a rotating pedestal system using NOV’s patentedscissor arm design and NOV Timing Link Intuitive control methods - via local control panel on tool, hard-wired remote control, wireless remotecontrol, or through the integrated driller’s controls in the driller’s cabin (model dependent). Advanced remotecontrols on certain models automatically perform complete make/break cycles, providing increased levels ofautomation and safety for the drilling rig. Soft clamp - minimal clamp force is applied to box connection during spinning operations and is aimed toeliminate “belling” of thin-walled connections, extend tool joint life, and quicken makeup/breakout times. Tool shutdowns - primary method to disable any iron roughneck functions via an easily accessible button,lanyard or detection sensor, enabling complete control to the user Hydraulic and electrical interlocks - enable/disable certain tool functions, serving as additional safety featuresto the user (model dependent) Proximity and analog position sensors - identify tool’s position in relation to the tubular (model dependent) All assemblies are 200,000 cycle tested19751987 Varco Internationalintroduces the first IronRoughneck, “Big Foot” National and Oilwellmerge to becomeNational Oilwell1993 1996 AR-3200 - the firstmodel of the AR-3000series. Over 300 AR-3200models have been soldto date ST-80 - first generationmodel releasedOverall Benefits Enhanced safety by mechanizing or automating dangerous drill floor tasks; need for tongs, pipe spinners,and catheads reduced or eliminated Proven efficiency of routine make/break operations while prioritizing safety Intuitive control panels for ease in tool operation and unparalleled, quick responsiveness Configurable to your needs with an established set of spare parts for streamlined maintenance Ideal balance of torque, reach and footprint to provide the maximum cost per square foot of rig floor space Quality construction provides structural stability, impact resistance and durability, equating to longer dutylife and lower cost of ownership2000200120032005 AR-4000 - the first modelof the AR-4000 series ARN-166 - the first modelof the ARN series ST-80 - third generationmodel released. To date,close to 1,300 ST-80models have been sold National Oilwell mergeswith Varco to becomeNational Oilwell Varco MPT-200 - first model ofthe MPT series Casing tong incorporatedon MPT, ARN, and later,the ST-1602006 2008 ST-80C - first generationmodel released. To date,over 630 ST-80C modelshave been sold ST-120 released MPT and ARN modelsincorporated intoautomated drill flooroperation (MMC)201120132015 ST-100 released ST-160 released NOV breaks the 200,000ft-lb torque limit ST-80C 2 - secondgeneration model ofST-80C ARN-270 released MPT-270 released New high torque casingtong introducedrig@nov.comnov.com

ST-80CST-80CL2A combinationof customerfeedback-basedimprovementsand engineeringanalysis.A consistent,reliable toolfeatured on ourmost popularland rigsST-80C2Installation/ TechnicalSpecificationsST-80CLInstallation/ TechnicalSpecificationsControlsControlsLocal manualLocal manualHard-wired remote consoleMountIntegrated into NOV driller’s controlsPedestal with floor mounted socketMountShutoff ValvePedestal with floor mounted socketManualShutoff ValvePedestal Rotation 90 o (manual)ManualPedestal Rotation 90 o (manual and power slew)Hydraulic Requirements (Min)28 GPM @ 2,100 psi(106 LPM @ 145 bar)Hydraulic Requirements (Min)28 GPM @ 2,100 psi(106 LPM @ 145 bar)Hydraulic Requirements (Max)40 GPM @ 3,000 psi(151 LPM @ 207 bar)Assembly Weight7,800/8,320 lbs (3,538/3,773 kg)Hydraulic Requirements (Max)40 GPM @ 3,000 psi(151 LPM @ 207 bar)Tool Joint Connection (OD) Range*41/8” to 81/2”Assembly WeightApproximately 9,400 lbs (4,263 kg)Spin Speed75 RPM with 5” DP, 35 GPMTool Joint Connection (OD) Range*41/8” to 81/2”Spin Torque1,750 ft-lbs (2,373 N-m)with 5” DP, 35 GPMSpin Speed75 RPM with 5” DP, 35 GPMMaximum Makeup Torque60,000 ft-lb (81,349 N-m)Spin Torque1,750 ft-lbs (2,373 N-m) with 5” DP,35 GPMMaximum Breakout Torque80,000 ft-lb (108,465 N-m)Maximum Makeup Torque60,000 ft-lb (81,349 N-m)Connection Height23” to 59” (584 mm to 1,498 mm)Maximum Breakout Torque80,000 ft-lb (108,465 N-m)Horizontal Travel**60” (1,524 mm)***Optional 15” to 25” added reachConnection Height23” to 65” (584 mm to 1,651 mm)Horizontal Travel**100” (2,540 mm)Vertical Adjustment36” (914 mm) or 72” (1,828 mm)Vertical Adjustment42” (1,067 mm)Casing ReadyNoCasing ReadyNoTorque Wrench Angle30 oTorque Wrench Angle30 o* ST-80 and ST-100 can make/breakcertain tool joints on 27/8” drill pipe** NOV classifies total horizontal travelas the distance between points A andB. Point A is defined as the centerline ofthe jaw dies when the iron roughneck isfully retracted. Point B is defined as thecenterline of the jaw dies when the ironroughneck is fully extended.*** Horizontal travel may be increasedupon request with use of an extenderplate.* ST-80 and ST-100 can make/breakcertain tool joints on 27/8” drill pipe** NOV classifies total horizontal travelas the distance between points A andB. Point A is defined as the centerline ofthe jaw dies when the iron roughneck isfully retracted. Point B is defined as thecenterline of the jaw dies when the ironroughneck is fully extended.rig@nov.com

ST-120ST-100The embodimentof offshoreequipmentpower into apackage fit for aland rigA pairing ofcompact designwith maximumreach to suitboth land andoffshore rigsST-100Installation/ TechnicalSpecificationsST-120Installation/ TechnicalSpecificationsControlsControlsLocal manualLocal manualWireless RemoteHard-wired remote consoleIntegrated into NOV driller’s controlsIntegrated into NOV driller’s controlsMountMountPedestal with floor mounted socketPedestal with floor mounted socketShutoff ValveShutoff ValveManualManualPedestal Rotation 90 o (power slew)Pedestal Rotation 90 oHydraulic Requirements (Min)45 GPM @ 2,500 psi(170 LPM @ 172 bar)Hydraulic Requirements (Min)45 GPM @ 2,500 psi(170 LPM @ 172 bar)Hydraulic Requirements (Max)55 GPM @ 3,000 psi(208 LPM @ 207 bar)Hydraulic Requirements (Max)65 GPM @ 3,000 psi(246 LPM @ 207 bar)Assembly Weight11,500 lbs (5,216 kg)Assembly Weight19,800 lbs (8,981 kg)(installed weight)Tool Joint Connection (OD) Range*31/2” to 9¾”Tool Joint Connection (OD) Range37/8” to 10”Spin Speed80 RPM with 5” DP, 45 GPMSpin Speed80 RPM (nominal on 5” DP)Spin Torque3,000 ft-lbs (4,067 N-m)with 5” DP, 45 GPMSpin Torque3,000 ft-lbs (4,067 N-m)Maximum Makeup Torque100,000 ft-lb (135,582 N-m)Maximum Makeup Torque100,000 ft-lb (135,582 N-m)Maximum Breakout Torque120,000 ft-lb (162,698 N-m)Maximum Breakout Torque120,000 ft-lb (162,698 N-m)Connection Height30” to 66” (762 mm to 1,676 mm)Connection Height31.5” to 73.4” (800 mm to 1,864 mm)Horizontal Travel**60” (1,524 mm) or 96” (2,438 mm)Horizontal Travel*144” (3,658 mm)Vertical Adjustment36” (914 mm)Vertical Adjustment42” (1,067 mm)Casing ReadyNoCasing ReadyNoTorque Wrench Angle60 oTorque Wrench Angle60 o* NOV classifies total horizontal travelas the distance between points A andB. Point A is defined as the centerline ofthe jaw dies when the iron roughneck isfully retracted. Point B is defined as thecenterline of the jaw dies when the ironroughneck is fully extended.* ST-80 and ST-100 can make/breakcertain tool joints on 27/8” drill pipe** NOV classifies total horizontal travelas the distance between points A andB. Point A is defined as the centerline ofthe jaw dies when the iron roughneck isfully retracted. Point B is defined as thecenterline of the jaw dies when the ironroughneck is fully extended.rig@nov.comnov.com

AR-3200““We love theAR-3200; it’sa really goodmachineST-160We preferthe ST-160due to itsreliability andsimplicity”- Drilling ContractorOur high torque,floor socketmounted modelwith full automaticcontrols combinespower sControlsLocal manualHard-wiredControlsIntegrated into NOV driller’s controlsWireless RemoteMountTrack mountedIntegrated into NOV driller’s controlsMountShutoff ValvePedestal with floor mounted socketManualShutoff ValvePedestal RotationN/AManualPedestal Rotation 90 oHydraulic Requirements (Min)45 GPM @ 2,000 psi(170 LPM @ 135 bar)Hydraulic Requirements (Min)55 GPM @ 3,000 psi(208 LPM @ 207 bar)Hydraulic Requirements (Max)45 GPM @ 2,500 psi(170 LPM @ 172 bar)Hydraulic Requirements (Max)65 GPM @ 3,000 psi(246 LPM @ 207 bar)Assembly Weight12,100 lbs (5,490 kg)Assembly Weight26,600 lbs (12,065 kg)(installed weight)Tool Joint Connection (OD) Range31/2” to 9¾”Spin Speed100 RPM (nominal on 5” DP)Tool Joint Connection (OD) Range37/8” to 10”Spin Torque2,000 ft-lbs (2,711 N-m)Spin Speed80 RPM (nominal on 5” DP)Maximum Makeup Torque100,000 ft-lb (135,582 N-m)Spin Torque3,467 ft-lbs (4,700 N-m)Maximum Breakout Torque120,000 ft-lb (162,698 N-m)Maximum Makeup Torque140,000 ft-lb (189,815 N-m)Connection Height31” to 64” (787 mm to 1,625 mm)Maximum Breakout Torque160,000 ft-lb (216,931 N-m)Horizontal Travel*Variable - trackConnection Height31.88” to 73.88”(810 mm to 1,876 mm)Vertical Adjustment33” (838 mm)Horizontal Travel*162” (4,115 mm)Casing ReadyYesVertical Adjustment42” (1,067 mm)Torque Wrench Angle30 oCasing ReadyYesOptional AdditionsMud bucket, doper, bit breaker,casing module, rotation table* NOV classifies total horizontal travelas the distance between points A andB. Point A is defined as the centerline ofthe jaw dies when the iron roughneck isfully retracted. Point B is defined as thecenterline of the jaw dies when the ironroughneck is fully extended.”- Drilling ContractorA track-mounted,industryrecognizedmodel that hasstood the test oftimeTorque Wrench Angle60 orig@nov.com* NOV classifies total horizontal travelas the distance between points A andB. Point A is defined as the centerline ofthe jaw dies when the iron roughneck isfully retracted. Point B is defined as thecenterline of the jaw dies when the ironroughneck is fully extended.