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You can reach new heights with a reliable partner Drilling, Sidetracking and Fracturing

1 Организационная структура Operations

. C.A.T. oil AG Viena / Moscow

CATKoneft Branches in and Aktau, Kazakhstan Hydraulic fracturing, CT, Primary and remedial cementing

CATOBNEFT Nizhnevartovsk Sidetracking Offices in , Kogalym and Buzuluk

CAToil Drilling Exploration and development well drilling Offices in Buzuluk, Orenburg and Nizhnevartovsk

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Geographic Presence

Urengoy

Noyabrsk

Kogalym

Nefteyugansk Nizhnevartovsk

Samara

Buzuluk

Headquarters Offices Operations 3

CATOBNEFT Sidetracking

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CATOBNEFT, ООО

Incorporated on May 17, 1994. Headquartered in Nizhnevartovsk, Khanty-Mansi Autonomous Okrug — Yugra. With offices in areas of operation: Kogalym, Nefteyuganks, Buzuluk. The company’s core activities: Sidetracking services under turnkey or day-rate contracts.

CATOBNEFT drills the following types of wells: . directional; . horizontal; . horizontal with pilot holes. Mobile rig capacity: 120 to180 tonnes.

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Activities

Sidetrack design

Window cutting Well completion in a production and cementing General contract string

Sidetrack drilling 6

Capacity Allocation to Customers

RN-

11 RIGS 7 3 RIGS 3 2 RIGS RIGS RIGS

Capacity building

Number of operating rigs

24 26 22 17 10 10 10 12 5 1 2

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 7

Number of Completed Sidetracking Jobs

960

950 760

750 578

200 550 416 182 300 162 350 208 91 116 125 101 92 54 83 101 150 6 21 71 67 60 48 22 33 27 40 8 -50 15 6 6 22 16 18 22 43 53 59 49 6 22 27 26 15 7 4 -250 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 НН ГПС ГС Всего: Итого с накоплением 7 Directional Horizontal w/pilot Horizontal Total Total cumulative 8

Mobile Rig Fleet

The drilling crews have nine САТ-ТВ-120 rigs (with a capacity of 120 tonnes) made by Satvia (Germany), three САТ-ТВ-180 rigs (180 tonnes) made by Satvia (Germany), eleven MBU-125 (with a capacity of 125 tonnes) rigs made by Kungurskiy Mashinostroitelniy Zavod (Kungur Machine-Building Plant) (Kungur, ). Four Dragon SP-650 (Cooper) rigs (Texas, USA) with a capacity of 136 tonnes were commissioned early in 2015.

САТ-ТВ-120 Rig (9 units) САТ-ТВ-180 Rig (3 units) MBU-125 Mobile Drilling Rig Dragon SP-650 (Cooper) Rig (4 (11 units) units) 9

New Sidetracking Rigs

Dragon SP-650 (Cooper) Mobile Drilling Rig

 Capacity: 136 tonnes.  Mast height: 36.8 meters.  Power: 550 hp.  Hydraulic tongs: UNIVERSE 01F05C .  Made in Victoria, Texas, USA.

Tesco 250-HMIS-475 Top Drive

 Capacity: 227 tonnes (250 tonnes in accordance with API-8C PSL-1).  Rated power: 475 hp.  Speed: up to 200 RPM.  Working torque: 28.47 kN (21000 ft-lb).  Maximum torque: 31.95 kN (23500 ft-lb).

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Available Topdrives

Mobile drilling rigs are equipped with PVG-2000 and PVG-2000R topdrives (with reduction drive) made by ZAP Promtechinvest (St. Petersburg), Tesco 250-HMIS-475 topdrives made by Tesco Corp. (Texas, USA) or KDK-220 topdrives made by Satvia (Germany).

PVG-2000 Top Drive PVG-2000R Top Drive Tesco 250-HMIS-475 Top Drive KDK-220 Top Drive 11

Available Mud Pumps

Modern plunger mud pumps made by Halliburton (НТ-400) and SPM (TWS-600) produce sufficient flow and pressure for well drilling.

Mud pump characteristics:

• Power: 600 hp (477 kW)

• Flow rate: maximum 35 l/s at 117 kg/cm2 (550 gpm @ 1660 psi); operating 21 l/s at 145 kg/cm2 (330 gpm @ 2060 psi);

• Pressure: maximum 443 kg/cm2 (6300 psi)

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Drilling Fluid Circulation and Cleaning Systems

All drilling crews have 90-m3 (566-bbl) mobile circulation and cleaning systems installed on special semitrailers for ease of relocation in the areas of operation. The systems are equipped with advanced MI-Swaco Mud Cleaners for high-quality separation of drilling fluid and cuttings and quick preparation of new drilling fluid. 13

Blowout Preventers

 PPSG – 180x35 Ram-type Preventer (Russia).

 PUG – 180x35 Annular Preventer (Russia).

 SG-24M Control Unit (Russia).

 Choke and kill manifolds installed in a heated container.

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Drilling Equipment and Tools

 14-trailer Kedr camp is fully equipped for accommodation and rest between shifts.

 A set of heated and insulated backup water tanks, V = 60 m3 (2120 cu ft).

 Each crew has 15-m3 (530 cu ft) fuel storage tanks.

 High-capacity ASO-VK screw compressors installed in a heated container.

 Hydraulic tongs made by leading international manufacturers: Weatherford, Farr, Universe.

 SPG-100 and SPG-160 spiders.

 Tripping equipment made by Blohm&Voss (Germany).

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Operations Support Base

The base can perform all maintenance and repair of drilling and other equipment in-house. To this end, it is provided with modern machines and diagnostic equipment made in Russia or abroad. Positive displacement downhole motor bay is equipped with DRECO (Canada) bench for testing and diagnostics of large and small size PDMs and hydraulic jars. 16

Well Design

We design sidetracks using Landmark (COMPASS™), the best-in-class software for directional drilling design, measurement control, plotting and well-collision avoidance.

Our engineers can accomplish the following through the application of integrated technologies: ~ engineering studies and BHA selection, predicting BHA performance in specific geological environment; ~ prediction and analysis of loads, moments and friction coefficients for drill strings and casing strings during downhole operations; ~hydraulic calculation of parameters for drilling and openhole reaming; ~modeling of pressure surges caused by drill string or casing string movement in adverse downhole environment, design of drilling and tripping hydraulics; ~stuck pipe release analysis and design; ~cementing design, detection of possible problems, adjustments to the cementing process.

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OIL AND GAS WELL DRILLING 18

Allocation of Drilling Crews to Customers

Gazpromneft – Orenburg

7 Megionneftegaz 4 3 1

15 mobile drilling rigs 19

Performance

Drilling, 1000 m.

350 226 153 102

2012 2013 2014 2015 target 20

Drilling Rigs

NOV 900 MD. Manufacturer: National Oilwell Varco

Capacity: 200 tonnes High mobility Mast height: 37 meters and fast Power: 1080 hp relocation and Self-propelled carrier rig-up Electric topdrive Made in Pampa, Texas, USA 2 0 21

Drilling Rigs

Dragon TR-900 (Cooper) Mobile Drilling Rig

Key characteristics

 Capacity: 200 tonnes.

 Mast height: 37.8 meters.

 Power: 1000 hp.

 Electric topdrive.

 Made in Victoria, Texas, USA. 22

Available Topdrives

NOV TDS-10 Tesco 250-EMI-400

Key characteristics

 Capacity 227 tonnes (250 tonnes in accordance with API-8C PSL-1).

 400-hp electric motor.

 Speed: 200 RPM.

 Constant torque: 33.8 kN (25000 ft- lb).

 Maximum intermittent torque: 43.3 kN (32000 ft-lb). 23

Drilling Rigs

QWS-2500 SD Pump Skid

Key parameters

 Wet mass: ≈22 tonnes.  Overall dimensions: 7.95 m x 2.50 m x 2.81 m (LxWxH).  Pressure line connection: 3” Fig 1502.  Maximum flow rate with 5” plunger: 53 l/s at 320 atm* (840 gpm @ 4700 psi).

* Calculated value based on the drive power in continuous operating mode.

QWS-2500 SD Quintuplex Caterpillar 32C ACERT Pump 24

Mobile Circulation System

 Modules mounted on a carrier to ensure mobility;

 Working volume: 140 m3 (4940 cu ft) and 200 m3 (7060 cu ft);

 Drilling fluid cleaning system includes two linear-motion MI Swaco Mongoose PT shale shakers, Mongoose PT mud cleaner as well as OGSh-50 and MI Swaco centrifuges;

 Drilling fluid is fed into mud cleaners by MI Swaco and Halco feed pumps;

 The system includes Kaskad-40M mud degasser;

 Steam lines installed inside vessels and air heaters permit the system operation at low temperatures;

 Cuttings are transported into a pit by a screw conveyor. 25

Blowout Prevention Equipment

 NL SHАFFER and INTEGRATED 13 5/8”-5000 psi (350 atm) ram-type preventers.

 NL SHАFFER and INTEGRATED 13 5/8’’-5000 psi (350 atm) annular preventers.

 C.A.T. and CPC control units.

 OP-5 Blowout Prevention Package.

 Choke and kill manifolds installed in a heated container.

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Quality

We remain leaders amongst oilfield service companies through the use of high-performance technologies and state-of-the-art reliable equipment 27

Quality Management

Our quality management system is certified to international standards ISO 9001:2008 Quality management systems — Requirements, ISO 14001:2004 Environmental management systems — Requirements with guidance for use and OHSAS 18001:2007 Occupational health and safety management systems – Requirements, with compliance confirmed by conformity certificates issued by an international certifying body, Bureau Veritas Certification. 28

CATKoneft Hydraulic fracturing of formation (Frac), Remedial cementing (well cementing), Coiled tubing.

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LLC CATKoneft

Founded in 1991. Headquarters is in Kogalym, Khanty-Mansi Autonomous Area– Yugra. industrial bases: Kogalym, Nefteyugansk, Khanty-Mansiysk, Nizhnevartovsk, Aktau in the Republic of Kazakhstan.

Primary activities of the Company are: - Hydraulic fracturing of formation, - Remedial cementing of wells, - Coiled tubing operations. 30

Dynamics of Frac operations

Number of jobs 31

Distribution of Frac facilities among the Customers

3 Frac Fleets RN-Yuganskneftegas 2 Frac Fleets 2 Frac Fleets

4 Frac Fleets

1 frac Fleet 2 Frac Fleets 2 frac Fleets 32

Frac equipment

Pump Unit Manifold Unit «CATKoneft» has 16 Frac Fleets

Blender

Hydration Unit Data Van

Technological tanks

Chemical Truck Sandtruck 33

Frac equipment

Data Van is a computer control center for pump units and for collecting Frac information, manufactured for the usage on the Mercedes-Benz cross-country chassis. Data Van has a computer system (Data Acquisition System, Siemens) and three service computers. Computers are used for Frac designs, for data logging and treatment. Registration possibility is up to 64 data channels. Data Van has two rooms: one is for the master, the other is for the Customers. Truck’s chassis with high clearance and big tire profile is good for roads which are difficult to traverse. 34

Frac equipment

Pump Units Maximum pressure is 1 050 bar

Triplex high pressure plunger pump SPM TWS-2200 / TWS-2250 with the rate from 0,5 m3/min up to 1,5 m3/min Pump drive - engine «Detroit Diesel» or «MTU» with water cooling, 2250 HP.

Automatic power shift «Allison» transmission

Hydration unit is used for Frac operations without preliminary gelling of fluids in tanks. Maximum working rate is up to 5m3/min. It has 3 pumps for liquid chemicals’ delivery with maximum rate up to 50 l/min.

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Frac equipment

Blender is a mobile unit for preliminary mixing of oilfield fracturing fluids in tanks with following pumping of this fluid through manifold system on the suction of the pumps. The mixing unit is mounted on a truck frame , driven by a diesel engine. Capacity: 460 HP. Flow volume: 4 000 kg/min of proppant max.; 12 m3/min of fluid max. Chemical additive components : dry(2)/liquid(2) Suction joints: 9 Discharge joints: 6 Recirculation

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Frac equipment

Chemical Truck

Chemical truck is manufactured for transporting and feeding chemicals both while preparing Frac fluid and while pumping Frac fluid (on the fly).

Equipment: 1. 5 individual pumps Pump delivery is 1-50 l/min each 2. Computer controlled chemical addition 3. Field mini-laboratory for testing water and linear gel 4. Tanks for storage and transporting chemicals 5. Temperature conditions for operations are from -40°C to +50°C 6. Autonomous running mode 7. Generator 220v

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Number of remedial cementing jobs in years

1400 1320

1200 1131

971 1000 931

800 757 654 589 600 544 472 393 431 400 333

Number of operationsof Number 259 215251 189 180 200 173 20 0 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 38

6 Fleets for remedial cementing

Special equipment of the remedial cementing Fleet Double pump unit is mounted on Mercedes Benz chassis. Two top Detroit Deisel engines with 350 HP each, with «Allison» transmissions allowing to adjust flow rate continuously. Triplex plunger pump NT-400 has maximum working pressure up to 785 atm. It has two measuring tanks for 1,50 m³ volume each for flush with 100 liters gauging.

Unit for preparation of cement slurry, buffer and gelling slurry allows to prepare plugging material of high quality from 0,5 up to 27m3. Separated tanks have heavy mixers equipped with hydraulic or electrical drive. Mixer is equipped with two centrifugal pumps and two high pressure pumps for adding liquid chemicals.

Twin pump cementing unit with the system of recirculation. Twin pump cementing unit with automatic control «АТСТ- 800» manufactured by С.А.Т. is the unit for preparation and squeezing of cement slurry, which is mounted on Mercedes Benz Actros 4141 8Х8 suitable for use in rough terrain oilfields environments. The unit has automatic mixing system of cement slurry with computer control. 39

Coiled tubing Fleet

Coiled Tubing Reel Unit The equipment of world well-known companies such as «Mersedes Benz», «HydraRig», «Vanoil» is used for manufacturing of the unit.

The equipment is designed and constructed for work in severe conditions of Far North.

CT Pumping Unit 6000 liter fluid holding tank, acid resistant and stable for high temperatures. Triplex pump SPM TWS600 of high pressure with regular pumping 450 l/min. Working pressure of injection line of SPM is 700 атм .

Mobile CT crane with repair shop. Wireless remote operating system for Crane, lifting capacity 12 tons. Boom reach is 15,4 m. Heated repair shop is equipped with BOP Service and Pressure test station and with sliding hatch to load equipment.

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Laboratory for physical-chemical analysis

The laboratory for physical-chemical analysis of LLC «CATKoneft» has modern testing equipment made by CHANDLER ENGINEERING, OFITE USA. The equipment is tested and certified with full package of standard technical documentation. The lab has all necessary facilities for work with cement slurries and different gelling additives. 41

Our Partners

Cooperation with major oil companies and leaders in oilfield servicing and equipment manufacture helps us maintain leadership in the oilfield service market. 42

Thank you!