PRODUCT OVERVIEW NEXT-GENERATION (NXG) SOLUTIONS FOR THE OIL AND GAS INDUSTRY

PRODUCT OVERVIEW NEXT-GENERATION (NXG) SOLUTIONS FOR THE OIL AND GAS INDUSTRY

A MULTI ACTIVATION CIRCULATION SUB OILSCO Technologies Multi Activation Circulation Sub - it is a breakthrough technology. Our Multi Activation Circulation Sub has been designed not only to overcome the most complex circulation challenges but to do so with optimum efficiency and total reliability as part of your bottom hole assembly. It is a breakthrough technology: one that eliminates unnecessary rig downtime to save you time and money. - An innovative internal mechanism allows flow ports in the outer body to be opened and closed from the surface, simply via the operation of the mud pump controls by drilling personnel. - Upon activation, a shut-off mechanism closes the tool inner bore, allowing lost circulation material to be pumped out through the side ports. It means MWD and LWD equipment located below the tool are protected at all times. - Our Multi Activation Circulation Sub bypasses the need to break the drill string as part of the process: no ball or dart devices required. - It can be activated (opened or closed) as many times as you require during an individual drilling operation. - Its activation/deactivation status whether open or closed can be instantly gauged on the drill floor. Circulation Sub Specifications (all sizes in inches unless otherwise specified) Tool Series No Tool OD Tool No of Nozzles Connection Size & Type NXG-CS-4750 4.75 112 3* NC38 / 3-1/2 API IF 210 C NXG-CS-6750 6.75 106 3* NC50 / 4 API IF 210 C NXG-CS-8250 8.25 106 3* 6-5/8 API Reg 210 C NXG-CS-9500 9.5 106 3* 7-5/8 API Reg 210 C Max Operating Temperature Applications Lost circulation / Hole enlargement applications / Coring applications / Well cleanout Wellhead cleanout / Horizontal and directional drilling / Surge protections HOLE CLEANING DRILL PIPE OILSCO Technologies Hole Cleaning Drill Pipe is anything but standard. A next-generation product that will give you an operational edge, it s the result of painstaking research, design and development work by industry innovators. Our pioneering HCDP delivers significant reductions in torque and drag because of both its hole cleaning capabilities and reduced wall contact in the critical bottom hole assembly area. - Hole cleaning via stirring up cuttings beds from the low side of the wellbore. - Reduced wall contact also lessens the risk of differential sticking a key issue in depleted formations. - The unique design supports sliding in high angle hole and horizontal sections, by reducing contact areas typically experienced on long sections of standard HCDP. Drag is reduced significantly, allowing directional control with less weight stacking on the bit. - An ideal solution for ERD wells where torque build-up can restrict the high rotation required to aid hole cleaning. - Reduces the requirement for additional connections while benefitting from the hole cleaning technology, standard stand lengths are still maintained. Heavy-weight or Light-weight Drill Pipe This HCDP comes in 2 versions either as a heavy weight which would be placed in the BHA or as a light weight which would be strategically placed in the drill string to assist in cleaning problem areas such as the inclination build up within a section. HCDP Specifications This drill pipe can be manufactured to replicate the same weights and dimensions as standard and premium heavy weight or drill pipe.

HOLE CLEANING SUB Our Hole Cleaning Sub is a perfect example of OILSCO s ideas in action to benefit your drilling operations. A durable tool that is located between sections of drill pipe to redistribute cuttings that settle out of the mud on the low side of the wellbore, it comes into its own in highly deviated sections in excess of 40 where the build-up of cuttings beds is often most acute. CFD analysis has already shown that its innovative design is capable of delivering a clear increase in cuttings removal, over longer periods, compared to a drill string without any mechanical aid. - A patented pending unique impeller/ spade design for maximum cuttings agitation. - Industry standard Arnco 350XT hard banding application. - Placement programme for optimum hole cleaning performance. - Available with standard API connections or customer-specified premium connections. Hole Cleaning Sub Specifications (all sizes in inches unless otherwise specified) Tool Series No Tool Joint OD Tool ID Tool Sh-Sh Standard Connection Fish Neck NXG-HC-3500 5 2-9/16 75 NC38 / 3-1/2 API IF 10-3/4 NNXG-HC-4000 5-1/4 2-13/16 75 NC40 / 4 FH 10-3/4 NXG-HC-5000 6-3/4 2-13/16 75 NC50 / 4-1/2 IF 10-3/4 NXG-HC-5500 7-3/4 3-1/4 75 5-1/2 API FH 10-3/4 NXG-HC-6625 8-1/4 4-1/4 75 6-5/8 API FH 10-3/4 DEVELOPED TO OVERCOME THE TOUGHEST HOLE CLEANING CHALLENGES DRILLING REAMER Our Drilling Reamer is designed for ease of use and built to be durable. Designed to complement the attributes of Roller Reamers and stabilization equipment, Our Drilling Reamer has approx 70-80% less wall contact than standard stabilization equipment currently used within the drill string. - Due to their domed geometry our Diamond Insert allows for increased reaming capability with gauge protection & stabilization properties. The inserts are strategically placed within the blade which assists with the removal of dog legs and ledges during drilling operations. The inclusion of our diamond technology within the drilling reamer dramatically reduces repair charges and increases the lifespan of the Drilling Reamer. - Using our unique brazing process there are no temperature limitations during drilling operations. - The diamonds are fully impregnated which means they have greater wear resistance properties without limited lifespan of PDC inserts. - The Drilling Reamer has no moving parts eliminating issues caused by the loss of in the hole i.e roller reamer cartridges. - The OILSCO Technologies Drilling Reamer is available in gauge sizes from 6 to 26. - The drilling reamer has no moving parts eliminating the risk of lost in hole of standard reamers and also the need to trip out of hole on cutter revolutions. Drilling Reamer Specifications (all sizes in inches unless otherwise specified) Hole Size Tool Series No Max Neck Dia ID 6 NXG-DR-6000 4.74 1.500 8-3/8 NXG-DR-8375 6.75 2.870 8-1/2 NXG-DR-8500 6.75 2.870 12-1/4 NXG-DR-1225 8.25 2.876 16 NXG-DR-1600 9.50 3.150 17-1/2 NXG-DR-2200 9.50 3.150 26 NXG-DR-2800 9.50 3.150 Additional Sizes Other sizes and combinations are available on request (including extended body lengths).

TRI-TORNADO SINGLE-STAGE HOLE OPENER Our Hole Opener boasts a series of features that underpins its performance: The smooth transition on the body OD reduces the chances of debris build up and packing off. The spiral body blades and pilot blades encourage directiona/ turbulent flow, removal of cuttings/debris and excellent hole cleaning. This unique hole opener has offset positioned cutters to allow a more aggressive cutting effect and strategically placed upward facing nozzles to encourage flow and ensure the cutters stay free of debris. The nozzles are held in retainers and are not machined as part of the integral body, enabling easy replacement and preventing body damage from washing. Features - Smooth transition on body OD - Spiral skirt blades and pilot blades - Offset Cutters - Unitized saddles - Reinforced hardfacing on vulnerable areas - Available in various sizes Benefits - Cost-effective to manufacture and therefore competitive hole opener to run - Maintaining smooth OD along the length of the body reduces chances of cutting build up and packing off - Spiral skirt blades encourage directional flow and removal of cuttings - Spiral pilot blades promote turbulent flow and hole cleaning - Cutters positioned in an offset manner ensuring a more aggressive cutting effect - Unitized saddles provide for easy replacement and can accommodate various cutter types - Strategically placed upward nozzles encourage flow and ensure cutters stay free of debris COST-EFFECTIVE AND COMPETITIVE TO RUN SEALED BEARING ROLLER REAMER Our Sealed Bearing Roller Reamer is designed for ease of use and built to be durable. Serving to reduce torque, improve bit performance and extend the operational life of bottom hole assembly components, it boasts a series of attributes that place it at the cutting edge of its specialist arena: - The cartridges are pressure equalised and the sealed design prevents ingress of drilling mud and cuttings whilst maintaining grease inside the cartridge all serving to significantly extend bearing life. - The cartridge design and retention method s capacity to extend bearing life, means more revolutions are possible before redress of the roller. - The high temperature seals and grease that complement the cartridges are rated to 210 C. - The cartridge is a one-piece assembly meaning redress of the tool is simple and reliable. - The roller is bi-directional to allow back reaming at all times. - The OILSCO Technologies Roller Reamer is available in gauge sizes from 5⅞ to 28. Sealed Bearing Roller Reamer Specifications (all sizes in inches unless otherwise specified) Hole Size Tool Series No Fish Neck Dia Max Body Dia Total Tool Additional Sizes Other sizes and combinations are available on request (including extended body lengths). ID Flow By Area (Sq inch) Gauge 5-7/8 NXG-RR-5875 4.75 5.3 70 1.5 4.9 2.27 6-1/8 NXG-RR-6125 4.75 5.3 70 1.5 6.7 2.27 8-3/8 NXG-RR-8375 6.75 7.75 80 2.25 9.6 2.60 8-1/2 NXG-RR-8500 6.75 7.75 80 2.25 10.8 2.60 12 NXG-RR-1200 8 10.83 90 2.813 26 3.82 12-1/4 NXG-RR-1225 8 10.83 90 2.813 29.4 3.82 16 NXG-RR-1600 9.50 14 93 3.150 59.9 3.87 22 NXG-RR-2200 9.50 19.63 101 3.150 137.6 3.87 28 NXG-RR-2800 9.50 23.5 106 3.150 253.9 3.87

Rent To Buy Proposal Why not do away with long term third party rentals on your BHA, drill pipe, heavy weight and drill collars when you can take a rent to buy option. This offer allows Company s to spread their capital expenditure on long term committed work over a 12-15 month period and allows company s to be generating cash flow well before the goods are fully paid off helping to ease the current cash flow problems and capex restrictions that exist at the moment. Worked Example On order 10% deposit to be paid. Prior to shipping 20% to be paid. Balance paid in 9 equal instalments commencing 3 months after the goods are shipped. This 3 month payment holiday will give you time to have the goods shipped and out on rent before payments commence. Potentially making the final 9 payments self funding. Sale Price USD 1,000,000.00 Opening Closing Balance Day Balance 1,000,000.00 Deposit payment on order 10% 1 100,000.00 900,000.00 900,000.00 Order complete in 50 days. 51 200,000.00 700,000.00 Further 20% payment prior to shipment 700,000.00 Monthly instalment 1 141 77,777.78 622,222.22 622,222.22 Monthly instalment 2 171 77,777.78 544,444.44 544,444.44 Monthly instalment 3 201 77,777.78 466,666.67 466,666.67 Monthly instalment 4 231 77,777.78 388,888.89 388,888.89 Monthly instalment 5 261 77,777.78 311,111.11 311,111.11 Monthly instalment 6 291 77,777.78 233,333.33 233,333.33 Monthly instalment 7 321 77,777.78 155,555.56 155,555.56 Monthly instalment 8 351 77,777.78 77,777.78 77,777.78 Monthly instalment 9 381 77,777.78 0.00 1,000,000.00 The percentages and payment values may change dependent upon the nature and size of the enquiry.

NXG DRILLING SERVICES LTD Unit 1 Hareness Circle Aberdeen AB12 3LY United Kingdom info@nxgdrilling.com +44 (0)1224 587177 stuart.smith@nxgdrilling.com eddie.rattray@nxgdrilling.com www.nxgdrilling.com