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    Expandable reamers

    The extension of the blades to the working position is carried out under the action of a pressure drop in the reamer body
    A wide range of reamers, high performance characteristics
    РР.jpg

    Underreamers RR

    Underreamers RR are designed for enlarging any interval of wellbore (for liners, tail pipes, and profile packer, repair and remedial cementing intervals) in soft and medium hard formations.


    Technical characteristics
    закрытые-лопасти.png

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    открытые-лопасти.png

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    Size Body OD, mm
    		 Stabilizer, diameter, mm Diameter over expanded blades, mm Length, mm Tool joint
    GOST 28487-90 API
    RR-78-120-1 82 82 120 1022 Z-66 2 3/8 Reg
    RR-92-156-1 92 94 156 1076 Z-73 NC-26
    RR-94-142-1 94 94 142 1216 Z-73 NC-26
    RR-105-132-1C 105 114 132 1007 Z-86 NC-31
    RR-105-215-1 105 107 215 1200 Z-86 NC-31
    RR-118-127-1 118 118 127 1480 Z-86 NC-31
    RR-118-130-1 118 118 130 1480 Z-86 NC-31
    RR-118-132-1C 118 118 132 1425 Z-86 NC-31
    RR-118-137-1 118 118 137 1480 Z-86 NC-31
    RR-118-146-1C 118 118 146 1425 Z-86 NC-31
    RR-118-149-1 118 118 149 1480 Z-86 NC-31
    RR-118-152-1 118 118 152 1480 Z-86 NC-31
    RR-118-156-1 118 118 156 1480 Z-86 NC-31
    RR-115-226-1 115 116 226 1295 Z-86 NC-31
    RR-115-226-1.118 115 118 226 1295 Z-86 NC-31
    RR-120-192-1 120 122 192 1295 Z-86 NC-31
    RR-120-226-1 120 122 226 1295 Z-86 NC-31
    RR-120-226-1.136 120 136 226 1295 Z-86 NC-31
    RR-122-156-1 122 138 156 1503 Z-86 NC-31
    RR-132-168-1 132 142 168 1685 Z-102 NC-38
    RR-132-168.138 132 138 168 1685 Z-102 NC-38
    RR-132-226-1 132 136 226 1420 Z-102 NC-38
    RR-138-175-1 138 148 175 1747 Z-102 NC-38
    RR-138-190,5-1 138 160 190,5 1368 Z-102 NC-38
    RR-138-190,5-1.139 138 139 190,5 1368 Z-102 NC-38
    RR-138-215,9-1 138 139 215,9 1368 Z-102 NC-38
    RR-138-226-1 138 142 226 1366 Z-102 NC-38
    RR-138-240-1 138 142 240 1366 Z-102 NC-38
    RR-138-280-1 138 142 280 1366 Z-102 NC-38
    RR-142-400-1 142 142 400 1426 Z-102 NC-38
    RR-142-500-1 142 142 500 1426 Z-102 NC-38
    RR-158-194-1C 158 161 194 1400 Z-133 NC-50
    RR-185-240-1 185 212 240 1694 Z-147 5 ½ FH
    RR-185-310-1 185 212 310 1694 Z-147 5 ½ FH
    RR-185-380-1 185 212 380 1694 Z-147 5 ½ FH
    RR-208-220,7-1 208 212 220,7 1825 Z-147 5 ½ FH
    RR-206-240-1 206 212 240 1825 Z-147 5 ½ FH
    RR-208-240-1 208 212 240 1825 Z-147 5 ½ FH
    RR-208-400-1 208 212 400 1705 Z-147 5 ½ FH
    RR-260-310-1 260 290 310 1950 Z-171 6 5 ½ FH
    RR-260-330-1 260 290 330 1950 Z-171 6 5 ½ FH

    RR-208-240.jpg

    Underreamers RR H

    RR H underreamers are designed for reaming any intervals of wellbore as a part of BHA with pilot bit or for reaming previously drilled section.


    Technical characteristics
    Size Body OD, mm
    		 Stabilizer, diameter, mm Diameter over expanded blades, mm Length, mm Tool joint
    GOST 28487-90 API
    RR-118-132Н 118 118 132 1194 Z-86 NC-31
    PP-118-137H 118 118 137 1194 Z-86 NC-31
    RR-118-146Н 118 118 146 1194 Z-86 NC-31
    RR-118-156Н 118 118 156 1194 Z-86 NC-31
    RR-138-175Н 138 148 175 1230 Z-102 NC-38
    RR-158-194Н 158 161 194 1250 Z-133 NC-50
    RR-208-226Н 208 212 226 1475 Z-147 5 ½ FH
    RR-208-240Н 208 212 240 1475 Z-147 5 ½ FH

    RR-Сп.jpg

    Underreamers RR Sp

    RR Sp type underreamers are designed for carrying out special operations in open hole implying drilling a rat hole for subsequent sidetracking from main directional well.


    Technical characteristics
    Size Body OD, mm
    		 Stabilizer, diameter, mm Diameter over expanded blades, mm Length, mm Tool joint
    GOST 28487-90 API
    RR-78-120 Sp-1 82 82 120 1022 Z-66 2 ⅜ Reg
    RR-94-142 Sp-1 94 94 137 1216 Z-73 NC-26
    RR-118-156 Sp-1 118 118 156 1480 Z-86 NC-31
    RR-138-200 Sp-1 138 141 200 1747 Z-86 NC-31

    All types of reamers are supplied with check valve to prevent clogging of the tool with cuttings during tripping operations, and replaceable blades that can be easily replaced in drilling conditions, which significantly reduces the operating costs for repair and maintenance of the tool.

    Tool series

    Body / centralizer diameter, mm

    Opening diameter, mm

    Overall length, mm

    Connection thread

    GOST
    28487-90

    API

    RR

    RR-94-142-1

    88 / 94

    142

    1,216

    Z-66

    2 ⅜ Reg

    RR-105-132-1

    105 / 114

    132

    1,337

    Z-86

    NC-31

    RR-115-226-1

    115 / 116

    226

    1,295

    Z-86

    NC-31

    RR-118-127-1

    114 / 118

    127

    1,480

    Z-86

    NC-31

    RR-118-130-1

    114 / 118

    130

    1,480

    Z-86

    NC-31

    RR-118-137-1

    114 / 118

    137

    1,480

    Z-86

    NC-31

    RR-118-146-1

    114 / 118

    146

    1,480

    Z-86

    NC-31

    RR-118-152-1

    114 / 118

    152

    1,480

    Z-86

    NC-31

    RR-118-156-1

    114 / 118

    156

    1,480

    Z-86

    NC-31

    RR-120-192-1

    114 / 118

    192

    1,294

    Z-86

    NC-31

    RR-120-226-1

    114 / 118

    226

    1,294

    Z-86

    NC-31

    RR-122-156-1

    122 / 142

    156

    1,503

    Z-86

    NC-31

    RR-132-168-1

    132 / 142

    168

    1,685

    Z-102

    NC-38

    RR-132-226-1

    121 / 136

    226

    1,420

    Z-102

    NC-38

    RR-138-175-1

    138 / 148

    175

    1,747

    Z-102

    NC-38

    RR-138-190.5-1

    138 / 160

    190.5

    1,386

    Z-102

    NC-38

    RR-138-215.9-1

    130 / 139

    215.9

    1,368

    Z-102

    NC-38

    RR-138-226-1

    138 / 142

    226

    1,366

    Z-102

    NC-38

    RR-138-240-1

    138 / 142

    240

    1,366

    Z-102

    NC-38

    RR-138-280-1

    138 / 142

    280

    1,366

    Z-102

    NC-38

    RR-185-240-1

    185 / 212

    240

    1,694

    Z-147

    5 ½ FH

    RR-185-310-1

    185 / 212

    310

    1,694

    Z-147

    5 ½ FH

    RR-185-380-1

    185 / 212

    380

    1,694

    Z-147

    5 ½ FH

    RR H

    RR-118-132H

    118 / 118

    132

    1,194

    Z-86

    NC-31

    RR-118-146H

    118 / 118

    146

    1,194

    Z-86

    NC-31

    RR-118-156H

    118 / 118

    156

    1,194

    Z-86

    NC-31

    RR-138-175H

    138 / 148

    175

    1,230

    Z-102

    NC-38

    RR-158-194H

    158 / 161

    194

    1,250

    Z-133

    NC-50

    RR-208-226H

    208 / 212

    226

    1,475

    Z-147

    5 ½ FH

    RR-208-240H

    208 / 212

    240

    1,475

    Z-147

    5 ½ FH

    RR Sp

    RR-78-120 Sp-1

    78 / 82

    120

    1,022

    Z-66

    2 ⅜ Reg

    RR-118-156 Sp-1

    114 / 118

    156

    1,480

    Z-86

    NC-31

    RR-138-200 Sp-1

    138 / 141

    200

    1,747

    Z-86

    NC-31

    • "Octopus" ZAO performed reaming of the open hole with the equipment of “BURINTEKH”, Ltd. The equipment meets the requested requirements, has an increased footage life, and is wear-resistant and easy to maintain.

      PDF 491.56 Kb

    • LLC "NOVA POWER SERVICES" engaged the engineering and technical service of “BURINTEKH”, Ltd with reamers RR-118/146. The work was done with high quality, without deviations from the program.

      pdf 442.64 Kb

    • Feedback from Gazprom Podzemremont Orenburg LLC on the effectiveness of the services rendered: when performing lower water control during remedial cementing in gas condensate wells, the equipment and reagents of “BURINTEKH”, Ltd are used. The work was done efficiently.

      pdf 623.92 Kb

    • Gubkinsky branch of RN-Burenie LLC engaged the engineering and technical service of “BURINTEKH”, Ltd with RR-118/146 and RR 105/132 reamers. The wellbore was reamed to the nominal diameter, and the work was done to a high standard.

      pdf 225.41 Kb

    • Analysis of the Causes of self-unscrewing of the Elements of Expandable Milling and reaming tools

      pdf 905.26 Kb

    • Remedial cementing technology - cutting off fluid migration along the wellbore

      pdf 886.34 Kb

    • Gubkinsky branch of RN-Burenie LLC engaged the engineering and technical service of “BURINTEKH”, Ltd with RR-118/146 and RR 105/132 reamers. The wellbore was reamed to the nominal diameter, and the work was done to a high standard.

      pdf 225.41 Kb

    • “BURINTEKH”, Ltd PDC reamers solve the problem of cuttings transport

      pdf 1.38 Mb

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