One trip Hydraulic Whipstock Anchor type

Whipstock technology for window milling Whipstock service 1

Whipstock technology for window milling Reaming mill FR-216.5 8.52” Wedge angle 2,5 – 3 degree Whipstock set 3

Anchor is made from profiled pipe. Whipstock technology for window milling Reaming mill FR-216.5 8.52” Anchor is made from profiled pipe. The length 3-4 m ADVANTAGES: Low cost 100% setting in any depth. No need the cement bridge for anchor setting 1 m of profiled anchor can withstand to 150 Klbs (70 t) of axial load Profiled anchor before Profiled anchor after expanding 4

ADVANTAGES: Whipstock technology for window milling Reaming mill FR-216.5 8.52” ADVANTAGES: Whindow cutting for One trip High speed of milling Possibility to manufacture any Mill size 6

Whipstock Valve DIV DI Valve for whipstock orientation Allows to do direct circulation/flushing and orientation by MWD Automatic filling the drill string while whipstock running Continuous alignment of pipe and annulus pressure 7

Whipstock KLEN-HA application in open hole Whipstock KLEN-HA for open hole Whipstock KLEN-HA application in open hole Applicable in any size of open hole No need cement plug for anchor setting and no need any additional cost One trip whipstock set Availability all the standard sets in the stock Engineers can be mobilized to the Rig any time Whipstock set KLEN-HA can be used in any inclination (up to 90 degree) 8

Specifications for KLEN-HA standard sets Name Casing OD, in Anchor OD, in Min Mills OD,in Max Mills OD,in Whip length, m. KLEN-5” KLEN-5-3/4” 5,5 5-3/4 4,25 4,62 4,3 4,8 4,7 5,0 2,5 2,7 KLEN-6” 6-5/8 5,31 5,63 5,8 3,0 KLEN-7” 7 5,75 6,0 6,25 3,2 KLEN-9-5/8” KLEN-13-3/8” 9-5/8 13-3/8 8,00 11,0 8,5 12,25 8,7 12,5 4,0 9

Karasu Operating Company, Azerbaijan List of the Customers ADCO, UAE PDO, Oman Karasu Operating Company, Azerbaijan Russia – Gasprom, Burenie, Tatneft, Eurasia Perm Drilling Co., Podsemburgas, etc. LUKOIL Uzbekistan Operating Co. ERIELL International Oil Service Group, Uzbekistan PBE, Indonesia 10

Main steps of whipstock running Whipstock procedures Main steps of whipstock running 1. Prepare the casing (scrap and gage it). 2. Pressure test of casing and drill string 3. Assemble the window cutting BHA. 4. Run whipstock to required interval 6. Orient it by Gyro/MWD 7. Set the anchor by internal hydraulic pressure (2200 psi) 8. Cut the shearing bolt 9. Cut the window and calibrate it 10. POOH with milling assembly and gage the mill. 11

Allows sidetrack without cementing and support for anchor setting Whipstock KLEN-HA advantages ADVANTAGES: Allows sidetrack without cementing and support for anchor setting 2. Can be applied in cased and in open hole 3. Window milling for one trip 4. Simple and reliable design of the anchor 5. Equipment can be used in the intervals with angles up to 90 degree. 6. Possibility for direct and back circulation while Whipstock running 7. The technology is highly effective technically and economically. 8. The competitive advantage of products - the best value for money. 12

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