Oilfield Equipment Manufacturing and Repair

Zhigermunayservis LLP (ZMS) manufactures drilling bits.

The drilling tool is manufactured in 4 and 5-point turning and milling workshops.

The ZMS drill bit technologies enable the Customers to drill faster, longer and more efficiently in order to minimise the costs per drilled meter. The high technology innovations are based on the in-depth research, expert opinions of multi-functional groups, simulation and own laboratory studies.

The following bits have been manufactured to date:

  • dimensions from 123 mm to 444 mm
  • three, four, five and six vanes
  • for drilling of soft, medium soft and medium rocks.

This is not the limit! A team of engineers are constantly working on improvement of the tools. The bits are manufactured based on the individual assignment depending on the drilling conditions.

Bit optimisation cycle includes the following steps:

Manufacturing of the PDC bits with steel body includes:

  • Simulation
  • Load equalization
  • Tungsten carbide coating to improve wear resistance
  • High quality synthetic diamond cutters

Examples of Our Successes

Since 2018, Karachaganak Petroleum Operating has been using the PDC bits manufactured by Zhigermunayservis LLP with a 406.4 mm section.

Extract from the Customer’s letter:

‘We would like to congratulate the KPO well operation team on the achievement of the field penetration record using the PDC bit manufactured by ZHIGERMUNAYSERVIS (the Karachaganak field, well No 9865, SaiPar 249 drilling rig, manufacturing number 0188) for drilling the whole 1,797 m plot during 41 hours’.

The repair of drilling pipes, casings, pumping rods, preventors, BHA components – Trubremcentre LLP, Zhigermunayservis LLP,

KaskorMash Zavod JSC

The companies are certified in accordance with the American Petroleum Institute standards.

Tubing repair process includes the following operations:

  • Production deposit treatment (cleaning and thermodynamic tubing cleaning unit);
  • Tubing collar breakout;
  • Tubing drift test;
  • Mechanical tubing surface treatment;
  • NDT inspection (longitudinal and transverse defects, 1st and 2nd category wall thickness); steel grade determination;
  • Tubing thread cutting Ø 60, Ø 73, Ø 89, Ø 114 mm;
  • Screwing repaired or new tubing collars;
  • Tubing pressure testing;
  • Length measurement, dot pen marking, installation of thread safety elements, packaging with submission of tubing quality passports.
  • Quality control at all stages of repair by the QC specialists.

Manufacturing and lease of oilfield equipment

The list of services provided:

  • Engineering support
  • Lease of screw bottomhole engines with 95 mm to 210 mm dimensions, NOV Downhole and Radius-Servis  
  • Lease of drilling hydromechanical jars, NOV Downhole and Cougar Drilling Solutions, 4-3/4”, 6-1/2”, 8” size
  • Circulation valves 4 ¾”, 6 3/4”, 8 1/4”, 9 ½”, DSI
  • Manufacturing of near-bit and casing stabilisers from 5 ½” to 25 3/4”, as well as off-spec dimensions (based on the order)
  • Manufacturing of roller reamers
  • Manufacturing of junk mills

Well equipment maintenance centre:

  • Full cycle of maintenance and repair of drilling equipment
  • Highly qualified technical specialists attended a full training course arranged by foreign equipment suppliers and have been awarded corresponding certificates.

Accredited NDT laboratory

  • Ultrasound diagnostics
  • Magnetic particle inspection
  • Dye penetrant inspection
  • Visual thread and body control
  • Eddy current testing
  • Electromagnetic monitoring
  • Hardness testing
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