Drilling rig USPK BU-320 EK is used for deep production cluster drilling of vertical, directional and horizontal wells for oil, gas and gas condensate.
Drilling depth is 5000 m, gage load on hook is 320 tons in accordance with standard GOST 16293-89. It meets the requirements of TR CU 010/2011.
Design features
- AC electric variable frequency drive;
- digital control system;
- echelon arrangement of blocks and habitual structures in block-modular design of maximum factory readiness;
- tower with an open front edge, adapted for operation with an overhead power drive;
- movement of blocks on guides on wheels within the cluster site, except for the receiving bridge (for racking and horizontal part of the receiving bridge).
Technical characteristics
| Critical hook load, GOST 16293-89, kN (tnf) | 3200(320) |
| Maximum static load on the hook, API, kN (tnf) | 3840 (384) |
| Maximum load of the drillstring weight, kN (tnf) | 2000 (2000) |
| Conditional drilling depth, m | 5000 |
| Lifting speed of hook, m/s (with 5 x 6 rigging) | 0…1,5 |
| ROTARY SYSTEM R700 WITH PKR 560M-OR | |
| Diameter of the hole in the rotary table, mm | 700 |
| Critical static load on the rotary table, kN | 5000 |
| Static torque on the rotor table, kNm (kGs-M) | 80000 (8000) |
| Kelly bushing | Available |
| Rotary table speed provided by the drive, rpm | 0…250 |
| Heating (oil bath heating coil) | Steam |
| ROTARY DRIVE: Individual from an AC motor |
D423-1250.LC6 1250 кВт |
| Rated power of rotary drive, kW, not more (power limitation of the rotary drive is made according to the electrical scheme) |
820 |
| Transmission type | Cardan shaft |
| Additional infinitely variable brake | SHPM-500 |
| DRAWWORKS WITH AUXILIARY DRIVE | |
| Type | BL-1900/1-E |
| Rated power at the drawworks inlet, kW | 1900 |
| Tension force of the undercarriage branch of the drawworks, tnf | 32 |
| Braking system Downhill braking by drawworks engines. Emergency and parking brake normally closed two-disc brake. Brake control pneumatic |
|
| Drum dimensions, mm | |
| diameter | 785 |
| length | 1466 |
| Number of main electric motors, pcs. | 2 |
| Motor type | D423-1250.LC6 1250 kW |
| Auxiliary drive (independent of main drive) Connected to the lift shaft via an additional gearbox and cam clutch with pneumatic actuation mechanism |
|
| Motor type | АВ-280 М6 90/1000 UHL |
| Rated motor power, kW | 90 |
| MUD PUMP | |
| Pump type | UNBT-1180L1 |
| Mud pump power, kW | 1180 |
| Number of mud pumps, pcs. | 2 |
| Maximum pressure developed by the pump, MPa | 35,7 |
| Maximum pump flow rate, l/s | 51,4 |
| Maximum piston stroke frequency per minute | 125 |
| Degree of feed control, % | 100 |
| PUMP DRIVES: Individual, from an AC motor |
D423-1250.LC6 1250 kW |
| Number of drives, pcs. | 2 |
| Transmission type | V-belt |
| Number of straps in the set, pcs. | 4 |
| Belt length, mm | 8001 |
| Diameter of driving pulley, mm | 560 |
| Diameter of driven pulley, mm | 1010 |
| CROWN BLOCK | |
| Crown block designation | KB-6-400 |
| Load capacity, tnf | 400 |
| Profile of the pulley chute under the rope diameter, mm | 35 |
| Number of pulleys | 4+1+1 |
| Outer diameter of the pulleys of the polyspast, mm | 1400 |
| Outer diameter of bypass pulley, mm | 1400 |
| TRAVELING BLOCK | |
| Block hook designation | UTBK-5-320М |
| Load capacity, t (kN) | 320 (3200) |
| Profile of the pulley chute under the rope diameter, mm | 35 |
| Number of pulleys | 5 |
| Outer diameter of pulleys, mm | 1400 |
| THE BYPASSING AND FASTENING MECHANISM OF DDRILLING LINE | |
| Maximum ddrilling line tension, tnf | 34 |
| Drum diameter, mm | 750 |
| Ddrilling line diameter, mm | 35 |
| Number of rope turns on the drum, pcs. | 4 |
| BLOCK AND TACKLE | |
| Drilling line system | 5х6 |
| Drilling line system scheme | straight |
| GUIDE BEAMS | |
| Specific pressure of guides on the ground, kgf/cm2, not more | 1,2 |
| Total length of the guide, m | 99 |
| RELOCATION DEVICE | Hydraulic type |
| Permissible load from the weight of the tool mounted on the candlesticks when moving the drilling rig, kN (Tc) | 1750 (175) |
| Fixture for alignment of the up-and-down block during the drilling process | From the built-in 16 hydraulic jacks |
| Alignment height, mm | 500 |
| DRILL FLOOR HEIGHT | |
| Drilling floor elevation, m | 9,8…10,2 |
| Clearance for the installation of the preventer assembly, m | 7,8…8,3 |
| DERRICK: mast-type, open-front derrick to work with the top drive system |
|
| Designation | VMP 46/320 |
| Distance from the rotary table to the bottom of the bracket frame, m | 46 |
| Distance between leg axes, m | 10 |
| Connecting sections | Finger |
| Derrick lifting – by additional drive via UPV hoist system | |
| Derrick centering: in the direction of the receiving bridges and barns – with screw clamps in the direction perpendicular to the receiving bridges – with portable hydraulic jacks |
|
| Installation method Assembly in horizontal position with lifting into vertical position with a drilling winch and a pulley. |
|
| Calculated tension force of the running rope branch of the chain block during tower lifting, kN (tnf) | 150 (15) |
| Drill pipe stand length, m | 24-27 |
| Drill pipe diameter, mm | 114, 127, 147 |
Magazine and candlestick capacity for pipes of diameter, m:
|
5625 |
| Length of the square, m | 27+1,0 |
| SWIVEL | UV-320МА |
| Static load capacity, Tc | 320 |
| Maximum working pressure, MPa | 35 |
| Diameter of the hole in the table, mm | 750 |
| TOP DRIVE SYSTEM | TD-350-HT (Bentec) |
| Permissible load according to API standard, t | 317 |
| Nominal power, kW | 758 |
| Nominal pressure, MPa | 50 |
| MEANS OF MECHANIZATION FOR LOWERING OPERATIONS | |
| Device for feeding the pipe into the borehole | air-driven |
| Pipe pulling device on top worker’s platform – electrically driven winch | |
| Pneumatic wedge gripper | PKR-560, PKRO |
| Automatic drilling tongs | AKB-4M |
| Hydraulic casing wrench | GKSH-4000 |
| Hydraulic cathead, pcs. | 2 |
| Force at a pressure of 100 kgf/cm2, tnf | 7 |
| 160 kgf/cm2, tnf | 11 |
| 200 kgf/cm2, tnf | 14 |
| Rope stroke of the hydraulic catheadr, mm | 1600 |
| Mechanical key, pcs. | 2 |
| Hydraulic drilling power tongs | GKSH-1500 |
| SOLUTION PREPARATION, CLEANING AND TREATMENT SYSTEM | |
| Full volume (in echelon), m3: | 365 |
|
42 4х50=200 20+30=50 50 23 |
| Flow capacity of cleaning means, dm3/s, not less: | |
|
120 45 45 40 6,94 |
| Smallest particle size removed from drilling mud with a density of 1.1-1.2 g/cm3, mm: | |
|
0,16 0,04-0,06 0,02-0,04 0,005 |
| Pumping capacity of booster pumps, m3/hour | 240 |
| Nominal bore of the mud flume, mm | 250 |
| MANIFOLD | |
| Maximum pressure in the manifold, MPa | 35 |
| Manifold nominal bore, mm | 100 |
| Manifold riser Manifold riser with additional section when working with top drive system |
|
| BORROWING OF THE BREAKING ROOM, height, m |
sandwich panel 6 |
| SHELTER OF THE PUMPING UNIT AND CIS UNITS | Sandwich panels |
| RIG HEATING SYSTEM | |
| BPC-3M boiler plant of Promenergomash LLC | |
| Workplace heating | With hot air |
| Process equipment heating | Steam registers and coils |
| Rated heat output by steam, t/h | 3 |
| Steam flow rate, m /h, not more | 20000 |
| Maximum output steam temperature, 0C, not more | 178 |
| Nominal steam capacity, kg/h | 1000х3 |
| Steam pressure at the outlet, MPa | 0,8 |
| Type of fuel | oil 2.2.1.1 GOST R 51858 |
| Oil storage capacity, m3 | 45 |
| PNEUMATIC CONTROL SYSTEM | |
| Modular compressor station: process block box compressor station BKK-13/10-2 |
|
| DEN-45Sh compressor unit, col. | 2 pcs. |
| Air pressure in the pneumatic system, MPa | 1 |
| Total compressor capacity, nm3/min | 13 |
| Volume of receivers, m3 | 6 х 0,9=5,4 |
| Dew point | 70 0С |
| DIESEL-ELECTRIC UNIT | AD400-Т400-1RN |
| Number of units, pcs. | 1 |
| Power, kW | 400 |
| MECHANICAL EQUIPMENT | |
| Riding worker evacuation device | Rope type |
| For bridge maintenance | Jib-type luffing crane with 5 t jib length 10m |
| To work on the drillfloor and on bridges | Auxiliary drawworks R573 – 2 pcs. |
| On mud pumps | 0.2 t jib-jib crane – 2 pcs. |
| In the purification unit (sludge pump module) | Monorail with hand hoist 1t (1 pcs. |
| In the solution preparation unit | Monorail with electric hoist 3.2 t (1 pcs.) |
| In the pumping unit | Monorail with hand hoist 1t (1 pcs.) |
| To suspend the TSHN in the subrotor space | Hand pallet truck, 3 tons (1 pcs.) |
| To feed and serve PVO | Electric hoist, 10 t (2 pcs.) |
| In the drawworks block | Monorail with hoist 5 t (1 pcs.) |
| Installation and transportation of main equipment from well pad to well pad | Blocks, modules on semi-trailers, units on universal transport |