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Founded in 1999, «BURINTEKH», Scientific and production enterprise, limited liability company continues as the leading Russian developer and manufacturer of high-quality competitive tools for well drilling and workover operations.
«BURINTEKH», Ltd provides a wide range of oilfield services in complex or separately.
The Company operates in 28 regions of the Russian Federation.
Our Products are exported to CIS countries, Middle East, North Africa and Europe.
Company has Integrated Quality Management System in compliance with
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We are always glad to see people in our team who can solve extraordinary tasks, manage changes and achieve results. We appreciate such qualities as creativity, educability, commitment to professional development and focus on results.
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IADC Classification for Roller Cone, PDC, Diamond Bits and Core Heads.
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Rational Environmental Management
Enterprise management pays special attention to ecological aspect of manufacturing, stands for rational exploitation of natural resources.
Main principle of control over provision labor safety is regular checks conducted by managers of different level of management.
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It designed for fitting bottomhole assembly for the purpose of its direction along the wellbore and protection from damage during running as well as preventing fluid or cement slurry backflow from annular space to string during cementing.
It is equipped with high-strength plastic guide plug resistant to high axial compressive and bending loads. Shoe mounted float-type back valve Real Seal II™ provides reliable pressurization of tube side both in directional and horizontal wells. Guide plug of the shoe has central circulation hole, and the additional side circulation holes are placed in shoe body. Modern polymer materials used in producing shoes allow standing continuous washover cycles with muds with high content of abrasive particles, and provide quick drilling-out using PDC bit without bit damages.
BITART type XXX shoe with float back valve and plastic guide plug for OK YYY thread ZZZ where
OK – casing;
XXX – type (modification) of device;
YYY – casing diameter;
ZZZ – type of tool joint.
Additional options |
Modifications |
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210 |
211 |
212 |
213 | 214 | 215 | 216 | 217 | ||||
Base version |
+ |
+ | + | + | + | + | + | + | |||
Side holes |
+ | - | - | - | - | + | + | + | |||
Auto fill-up | - | - | + | - | + | + | - | + | |||
Rotation retention mechanism Safe Lock™ | - | - | - | + | + | - | + | + |
Shoes with float back valve BITART type 210 are produced for equipping casings in diameter 101,60mm (4 in) up to 339,70mm (13 3/8 in), can be produced with the following types of tool joints: buttress thread under GOST 632-80, buttress thread under API 5B.
The base version of shoe – BITART type 210. At customer’s option BITART type 210 can be equipped with additional options not included to the base set and can be produced in modification BITART type 211, 212, 213, 214, 215, 216, 217.
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Casing OD, mm |
101,60 | 114,30 | 146,05 | 168,28 | 177,80 | 244,48 | 323,85 | 339,70 | ||
Max. OD, mm |
111,00 | 127,00 | 166,00 | 188,00 | 198,00 | 270,00 | 350,00 | 365,00 | ||
Min. ID after drilling-out, mm |
88,00 | 100,00 | 130,00 | 149,00 | 159,00 | 226,00 | 304,00 | 318,00 | ||
Circulation hole diameter in guide plug, mm |
60,00 |
80,00 | 100,00 | 100,00 | 110,00 | 160,00 | 180,00 | 200,00 | ||
Diameter of body circulation holes, mm* |
20,00 | 20,00 | 22,00 | 22,00 | 22,00 | 26,00 | 26,00 | 26,00 | ||
Quantity of holes in body, ea.* |
3 | |||||||||
Pump rate necessary for transferring back valve to operation condition, not less, l/sec* | 8,0 |
15,0 |
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Withstanding by valve of over pressure in direct and opposite direction, MPa** |
30,0 |
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Max. operating temperature, °Ñ |
130,0 | |||||||||
Type of tool joint |
OTTM, OTTG, Buttress thread | |||||||||
Shoe length in modification: - OTTM - OTTG - Buttress thread |
411,00 431,00 421,00 |
411,00 431,00 421,00 |
347,00 367,00 357,00 |
375,00 395,00 385,00 |
377,00 402,00 382,00 |
400,00 430,00 410,00 |
400,00 420,00 410,00 |
400,00 420,00 410,00 |
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Weight, kg |
10,0 | 12,0 | 15,0 | 23,0 | 25,0 | 45,0 | 55,0 | 65,0 |