COMPREHENSIVE OVERVIEW

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1 COMPREHENSIVE OVERVIEW stingercanada.com

2 3 About Stinger 5 Ball Launchers 10 Frac Stacks 17 Buffalo Heads 18 Isolation Tools Grande Prairie Avenue Grande Prairie, AB T8V 5M Calgary th Street SW Calgary, AB T2P 3S Red Deer Hwy 11 Red Deer County, AB T4S 2L Medicine Hat 1505 Semrau Drive NW Medicine Hat, AB T1C 1V stingercanada.com

The Stinger Difference Stinger Wellhead Protection is totally committed to being best in class by consistently providing our customers with state-of-the-art equipment, highly-trained personnel and

3 The Stinger Difference Stinger Wellhead Protection is totally committed to being best in class by consistently providing our customers with state-of-the-art equipment, highly-trained personnel and the highest-operating efficiency and safety performance within the service and rental segment of the industry. People Our qualified and safety-conscious workforce has a depth of real-world experience. They stay up to date and expand their skills with in-house training and certification programs. Products Our quality rental tools include many patented designs. Our production testing business offers a unique combination of testing services and globally recognized equipment design and fabrication capabilities. Professionalism Our company infrastructure includes a strong support system for all of our products and services as well as a comprehensive QHSE function that reinforces our strong safety culture, environmental commitment and quality leadership. CO-3

We stress OSES selection criteria for safety procedures of all operations, specific job application and customer communications. Your safety is our foremost concern.

4 Focus on Safety At OSES we stress and drive home that safety is an integral and necessary component of all our products and services. We continuously educate all employees as to proper operation of all OSES equipment and services, regarding job planning, JSA composition and job execution. We stress OSES selection criteria for safety procedures of all operations, specific job application and customer communications. Your safety is our foremost concern. We provide a progressive hands on learning experience in an actual OSES shop and job setting with the actual equipment that employees will utilize on the jobs. This is provided through class participation, communication and final testing of students knowledge contained in the course. In an effort to improve overall oil sector safety performance and to increase customer understanding of these concepts, OSES extends this training to all OSES employees in every job category and additionally to other class participants from client oil companies and service companies at nominal cost. Who we are Stinger Wellhead Protection, Inc. engages in supplying, operating, designing, and manufacturing wellhead isolation and wellhead fracturing tools to the oil and gas industry. Our products include ball launchers, frac stacks, coil tubing frac heads, tubing isolation tools, casing savers, frac stacks, mix-master tools, frac valves, ball catcher manifolds, and rental equipment. The Parent company (Oil States International) was founded in 1988 and is based in Oklahoma City, Oklahoma. In 2005, Stinger Wellhead Protection, Inc. became a subsidiary of Oil States International, Inc. As the name implies, our company is poised to strike at the heart of many fracturing and wellhead related activities while ensuring the safety and security of the individuals and environment surrounding these sites. CO-4

Ball Launchers Patented controlled aperture ball drop mechanism for multi-stage well stimulation operations.

$Used during multi-zone fracturing operations during treatment processes Launcher deploys balls upon command into wellbore during fracturing stages$ Single stack tube (standard load stack of up to 27 balls) Capable of adapting to various size increments Balls are deployed by actuator Unit is remotely

Single stack tube (standard load stack of up to 27 balls) Capable of adapting to various size increments Balls are deployed by actuator Unit is remotely

5 Ball Launchers Patented controlled aperture ball drop mechanism for multi-stage well stimulation operations. Adaptable to any configuration of the wellhead Computer generated, detailed job report, showing ball size and time stamp Fully enclosed for low temperature conditions Heating blanket provided for extreme sub-zero temperatures How does a ball launcher work? Used during multi-zone fracturing operations during treatment processes Launcher deploys balls upon command into wellbore during fracturing stages Single stack tube (standard load stack of up to 27 balls) Capable of adapting to various size increments Balls are deployed by actuator Unit is remotely controlled Replaces manual process and reduces errors and interruptions in service Rated for hazardous conditions Heating blanket provided for extreme sub-zero temperatures Computer generated, detailed job report shows ball size and time stamp CO-5

6 Ball Launchers How Does a Ball Launcher Work? Controlled aperture ball drop mechanism for multi-stage well stimulation operations. Multiple detection devices for drop confirmation Safely operated by field personnel Corrosion resistant CSA Class 1, Div 2 rating 15K pressure rated Impossible to drop a ball out of sequence Positioned outside of the fluid stream Ball Sizes Minimum: Maximum: Single Launcher Jobs Capable of handling up to 27 balls (stack specific) Dual Launcher Jobs For jobs with increments smaller than 1/10 For Jobs with Repeater Balls Up to 27 balls per launcher (stack specific) Specialty configurations upon request. CO-6

$Ball Launchers Process of a Ball Launch Job Ball stacks are measured & loaded by the tool hand and company rep. Launcher is connected to a pump-in-sub on a frac head.$

7 Ball Launchers Process of a Ball Launch Job Ball stacks are measured & loaded by the tool hand and company rep. Launcher is connected to a pump-in-sub on a frac head. The frac is pumped through the multi-port frac head. Balls are deployed on top of the remote valve in the pump-in sub. This is done by signaling the aperture to open enough to allow one ball to drop at a time. Once the frac is flushed, the remote valve is opened to allow the ball to enter the frac stream. Positive pressure is applied through the pump-in sub for a few minutes. The remote valve is then shut. Frac of the next zone commences with the launched ball located in the pad fluid. CO-7

8 Ball Launchers Process of a Ball Launch Job Separate indicators confirm that a ball has been launched. Aperture orifice size increases Ball stack follower descends Aperture opening is controlled by an on- board processor with memory. Aperture opening is driven by a precision stepper motor (accurate for 51,200 steps per revolution). In the event of a power disturbance, the stepper motor will not change position which maintains the ball stack integrity. The ball stack follower sits on top of the stack inside the ball cartridge. It has a number of high-powered earth magnets which are attracted to a ball stack tracker collar on the outside of the cartridge. This tracker is attached to a sensitive potentiometer which measures the downward travel of the stack as each ball is launched. Each Stinger Ball Launcher is controlled by a laptop. which can be located in the frac van or any area of the customer s choosing. Laptop is connected to the launcher by a heavy duty intrinsically safe umbilical cord. Aperture Orifice Ball Stack Follower CO-8

9 Ball Launchers Stack Specific Single or Dual Launchers Each launcher is designed to handle balls with increments of 1/10 or larger. For jobs where ball size increments are smaller than 1/10 or the ball stack weight is deemed too heavy for a single launcher, a second launcher and Y joint are used. Specialty configurations upon request. CO-9

$Frac Stacks Stinger supplies and services frac stacks that temporarily replace the production wellhead during pressure pumping operations.$

10 Frac Stacks Stinger supplies and services frac stacks that temporarily replace the production wellhead during pressure pumping operations. In addition to protecting an operator s production wellhead from the effects of pressure and abrasion during the fracturing process, our frac stacks allow high pressures and volumes of proppant to pass to the formation for maximum well response. To minimize operating torque, our valves are available with quick turn hand-wheel or hydraulic actuators. The quick turn design incorporates a ball screw assembly that allows easy operation under pressure, even for large bore systems. Specifications Stinger offers three types of assemblies: Special pin assembly Screw-on assembly Upgrade spools Available in full bore: 3-1/16 (77.8mm) x 69 MPa (10,000 psi) 3-1/16 (77.8mm) x MPa (15,000 psi) 4-1/16 (103.2mm) x 69 MPa (10,000 psi) 4-1/16 (103.2mm) x MPa (15,000 psi) 5-1/8 (130.2mm) x 69 MPa (10,000 psi) 7-1/16 (179.4mm) x 69 MPa (10,000 psi) 7-1/16 (179.4mm) x MPa (15,000 psi) CO-10

$hanger, install seal bonnet and frac head, torque to specs Pressure test adapter spool seals Remove tubing plug or back pressure valve Reverse$

11 Frac Stacks Features Various configurations built to customer needs/specs Special Pin protects tubing hanger threads Full bore access to accommodate packers, balls, and other down hole tools Manufactured to API standards Installation & Removal Without a service rig and without killing the well, install tubing plug or backpressure valve in tubing hanger Remove production wellhead Install special pin into the tubing hanger, install seal bonnet and frac head, torque to specs Pressure test adapter spool seals Remove tubing plug or back pressure valve Reverse procedure to remove. CO-11

$Frac Stacks Coil Tubing Frac Head The coil tubing frac Head protects coil$ Features Wash on coil tubing is minimized with our patented design providing

Features Wash on coil tubing is minimized with our patented design providing

$top and bottom of the coil tubing frac head can accommodate many sizes and set$ plug valves depending on the pumping rates required Specifications Pressure

plug valves depending on the pumping rates required Specifications Pressure

12 Frac Stacks Coil Tubing Frac Head The coil tubing frac Head protects coil tubing at surface from erosion while fracturing with coil in the well. Features Wash on coil tubing is minimized with our patented design providing optimum protection on coil erosion The connection configurations on both the top and bottom of the coil tubing frac head can accommodate many sizes and set ups depending upon customer requirements It can be configured with two or four plug valves depending on the pumping rates required Specifications Pressure Rating: 69 Mpa (10,000 psi) working pressure Blast joints available in: 4.0 (101.6mm) 5.0 (127.0mm) CO-12

13 Frac Stacks Coil Tubing Frac Head 4 Blast Joint 5 Blast Joint CO-13

$Disruptions in the flow stream greatly reduce the efficiency of any operation. Flowing back after fracturing is especially problematic due to the composition of mud, balls, and sealers that comes up.$

14 Frac Stacks Ball Catchers As with any flow-back operation, particularly those of gas producing wells, the number of shut-ins relies heavily on the type of equipment that can handle high pressures. Disruptions in the flow stream greatly reduce the efficiency of any operation. Flowing back after fracturing is especially problematic due to the composition of mud, balls, and sealers that comes up. Without the proper equipment, manifolds and other surface equipment can quickly clog resulting in costly down time. To eliminate these problems, Stinger s ball catcher traps frac balls with outer diameters up to 3-7/8. Handling working pressures from 5,000 to 15,000 PSI, these durable apparatuses significantly reduce flow-back disruptions after fracture. Specifications Pressure Ratings: 4-1/16 (103.2mm) x 69 MPa (10,000 psi) 4-1/16 (103.2mm) x MPa (15,000 psi) CO-14

Frac Stacks Manual and Hydraulic Frac Valves Metal-to-metal sealing at the gate-to-seat Available studded or flanged A truly symmetric bi-directional design A metal-to-metal stem backseat on both the

15 Frac Stacks Manual and Hydraulic Frac Valves Metal-to-metal sealing at the gate-to-seat Available studded or flanged A truly symmetric bi-directional design A metal-to-metal stem backseat on both the upper stem and tail rod to permit replacement of either stem packing with the valve cavity under pressure Design meets API 6A and PSL 3. All materials meet and exceed specified criteria including NACE MR criteria Valve Sizes 4-1/16 (10K, 15K) 5-1/8 (10K) 7-1/16 (5K, 10K, 15K) Temperature rate is -40 C to 120 C Material class: DD (Sour Service) Ball Screw is used for most of manual valves, which reduces the required work to operate the valves to less than 1/3 of that required to operate the conventional design. The ball screw uses rolling friction in place of sliding friction. The low torque and reduced number of turns allows the valve to be stroked in less time with less effort than conventional high pressure valve designs. CO-15

16 Frac Stacks 7-1/16" 5K-15K Manual and Hydraulic Frac Valve CO-16

$Buffalo Heads The Stinger Buffalo Head allows multiple frac lines to be connected to our isolation tools for higher pumping rates. Specifications Pressure ratings of: 69 MPa (10,000 psi) 103.$

17 Buffalo Heads The Stinger Buffalo Head allows multiple frac lines to be connected to our isolation tools for higher pumping rates. Specifications Pressure ratings of: 69 MPa (10,000 psi) MPa (15,000 psi) Equipped with bores of: 2-9/16 3-1/16 4-1/16 7-1/16 Features Highly engineered and patented 45 angled reduce wash and friction Can accommodate 3, 4 or 5 frac lines for specific fracturing needs to ensure proper performance Capable of connecting to all API flange specifications CO-17

18 Isolation Tools Casing Isolation Tool (Universal Tool) The Casing Isolation Tool completely isolates low pressure surface equipment from treatment pressure. Features Manufactured to API standards Can be installed on various types of wellheads. (ie. BOPs, Master valves, Frac stacks) Corrosion and erosion protection against high proppant concentration and acid Remote valve system with highly visible open/ close indicator Patented primary and secondary sealing assembly to create an effective seal below surface equipment Three, four and five port connections are available for high rate jobs Specifications Installed and removed under pressure 15,000 PSI (103.5 MPa) working pressure Casing sizes: Stroke lengths: 84, 96, 120 Mandrel ID: (57.15mm) Pumping rate capacity: 10m 3 /min CO-18

19 Isolation Tools Big Bore Casing Isolation Tool (Universal Tool) The casing isolation tool completely isolates low pressure surface equipment from treatment pressure. Features Manufactured to API standards Can be installed on various types of wellheads (ie. BOPs, Master valves, Frac stacks) Corrosion and erosion protection against high proppant concentration and acid Remote valve system with highly visible open/close indicator Patented primary and secondary sealing assembly to create an effective seal below surface equipment Three, four and five port connections are available for high rate jobs Specifications Installed and removed under pressure 15,000 PSI (103.5 MPa) Working Pressure Casing sizes: Stroke lengths: 84, 96, 120 Casing size Mandrel ID Pumping Rate Cap 3-1/ (69.85mm) 15 m 3 /min 4-1/ (95.25mm) 15 m 3 /min CO-19

Isolation Tools Tubing Isolation Tool (Universal Tool) The Tubing Isolation Tool completely isolates low pressure surface equipment from treatment pressure.

BOPs, Master valves, Frac stacks) Corrosion and erosion protection against high proppant concentration and acid Remote valve system with highly visible open/close indicator Patented primary and

20 Isolation Tools Tubing Isolation Tool (Universal Tool) The Tubing Isolation Tool completely isolates low pressure surface equipment from treatment pressure. Features Manufactured to API standards Can be installed on various types of wellheads (ie. BOPs, Master valves, Frac stacks) Corrosion and erosion protection against high proppant concentration and acid Remote valve system with highly visible open/close indicator Patented primary and secondary sealing assembly to create an effective seal below surface equipment Three, four and five port connections are available for high rate jobs Specifications Installed and removed under pressure 15,000 PSI (103.5 MPa) Working Pressure Stroke lengths: 84, 96 Tubing size Mandrel ID Pumping Rate Cap (60.3 mm) (25.4mm) 2 m 3 /min (73.0 mm) (36.52mm) 4 m 3 /min (88.9 mm) (44.45mm) 6 m 3 /min CO-20

Isolation Tools Installation and Removal Tool can be safely installed by equalizing pressure and using hydraulic rams to stroke the tool into the well.

21 Isolation Tools Installation and Removal Tool can be safely installed by equalizing pressure and using hydraulic rams to stroke the tool into the well. Once the tool is stroked into the well, the flow tee vent can be opened, allowing the pressure to activate the sealing assembly. To remove, use the same procedure in reverse order. Once the tool is stroked out of the well, the wellhead can be bled off and the tool removed. CO-21

$Isolation Tools Mix Master The Stinger Mix Master is designed to effectively isolate the surface equipment while fracturing down the annulus with the tubing as a dead leg or both annulus and tubing.$ The Mix Master is locked into place with a lockdown nut that prevents upward movement by fluid pressures from within the well bore.

The Mix Master is locked into place with a lockdown nut that prevents upward movement by fluid pressures from within the well bore.

22 Isolation Tools Mix Master The Stinger Mix Master is designed to effectively isolate the surface equipment while fracturing down the annulus with the tubing as a dead leg or both annulus and tubing. The Mix Master provides a mandrel and patented sealing assembly mounted on the bottom end for pack-off in the casing of the well to be stimulated. The Mix Master is locked into place with a lockdown nut that prevents upward movement by fluid pressures from within the well bore. Features Eliminates killing the well as the tool can be installed and removed under pressure Reduces rig time since there is less tripping of pipe Generally eliminates snubbing Packer not required Allows flow-back for cost effective cleanout Permits circulation of sand for cleanout via tubing or annulus Allows for the installation of perforating guns prior to tool installation Full bore tubing facilitates swabbing and running down hole equipment Can only be removed under pressure with a class 3 BOP system A working platform is provided with the tool. The platform is complete with handrails and ladder for easy access. Additional stairs can be attached and are available upon request Specifications Pressure rating: 69 Mpa (10,000psi) working pressure Sizes Casing: 4-1/2 (114mm) to 9-5/8 (244mm) Tubing: 2-3/8 (60.3mm) to 2-7/8 (73mm) Maximum Pumping Rates 3 m 3 /min. for 2-3/8 tubing and 4-1/2 casing 6 m 3 /min. for 2-7/8 tubing and 5-1/2 casing 8 m 3 /min. for 2-3/8 tubing and 5-1/2 casing Higher rates can be achieved by pumping down both the annulus and tubing CO-22

FRAC STACKS stingercanada.com

FRAC STACKS stingercanada.com Grande Prairie 11303 96 Avenue Grande Prairie, AB T8V 5M3 780-513-3696 Calgary 420-510 5th Street SW Calgary, AB T2P 3S2 403-340-0716 Red Deer 334-28042 Hwy 11 Red Deer County,