Purpose:
Self-propelled drilling rigs «Altai» & «Katusha» are designed for drilling, swabbing and flushing-out of hydro-geological wells.
Operations performed:
- mobile moving from well to well;
- assembly and disassembly of control head with the main and auxiliary hoist;
- round trip with sucker rods, tubing and drill pipes;
- mechanized spinning-up and uncoupling of tubing and drill pipes by means of hydraulic breaker;
- construction of cement bridging in holes through derrick manifold;
- drilling-out of sand plugs and cement bridging with the help of mechanical drive rotary;
- fishing and other works;
- flushing-out of wells through the derrick manifold;
- drilling holes with the help of mechanical drive rotary;
- milling of the metallic parts of drilling equipment fallen into the well.
Design features:
- single drum drawworks with two disc air clutches that don’t require additional compressor and allow efficient switching from one speed range to another;
- drawworks is equipped with a cable layer which provides uniform winding of drilling and bailing rope;
- a flange for connection of drawworks emergency drive is provided;
- chassis emergency stop from operator’s control and rigging-up console;
- upper section of derrick is moved-up with hydraulic driven hoist from the remote control console;
- swabbing is performed with multifunctional drawworks;
- hydraulic driven winch is used for auxiliary works;
- device for fixing of hook block and protection of the derrick from damage when moving the rig;
- double-action hydraulic jacks for rig leveling;
- RV reducer of rotary table transmission with tire-type pneumatic clutch is installed;
- rotary R400 is permanently installed at the platform;
- pipes rope conveyer with tension hoist;
- drum for storage of swabbing line and device for moving the drill line to the multifunctional hoist.
Options – supplementary equipment supplied on demand in complete set with the lifting rig:
- KPR-12P wrench for spinning-up and uncoupling of tubing;
- Drilling swivel VB-80;
- Suspended tongs KMB-М;
- Set of straps.
Technical specifications
| Lifting rig | |||
| Maximum allowable load on hook, kN (tf) | 785 (80) | ||
|
Nominal well drilling depth Nominal swabbing depth, m |
1000 meters (tubing 28 kg/m) 450 |
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Assembly-transportation base of the rig: - automobile chassis |
KrAZ-65053-02 | ||
| Machinery drive | |||
| Multifunctional drawworks: | Single drum with disc (axle) pneumatic clutches, double-speed chain drive in oil bath | ||
| - chain | Double-row (t-44,45) | ||
| - number of gears | 4 (control from operator’s station) | ||
| - traction force, kN (tf) | 132,4 (13,5) | ||
| - hook block lifting speed, m/s | 0,2 … 1,54 | ||
| Derrick: Double-section – telescopic with open front face |
“Altai” Vertically set guide rails for swivel, swabbing line roller is installed on the crown block. |
“Katusha” Swabbing line roller is installed on the crown block. |
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| - height from ground level to crown block axis, m | 23,45 | ||
| - derrick inclination angle, degree | 1 | ||
| - hook block lifting height, m | 19 - 20,6 | ||
| Pulley-block system: tool set | 3 х 4 | ||
| Overload limiter: | |||
| - electrical | Electronic weight indicator IVE-50-10 for control of hook load, switching off drawworks drive and switching on drawworks brakes when overloading. | ||
| - mechanical | For drawworks drive switching off and drawworks brake switching on when overloading (84t) | ||
| Drive transmission of mechanical rotary table | With RV reducer, tire-type pneumatic clutch and drive shafts | ||
|
Auxiliary hydraulic driven hoist: - rope diameter, mm - allowable load on hook, kN (tf) |
12х2 29,4 (3) |
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| Manifold (standpipe for mud feeding): | With threaded coupling nut (quick disconnecting joint) | ||
| Rig platform: | With folding bypass bridge along both sides, level meter for putting the rig in horizontal position | ||
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Working platform: -overall dimensions, mm |
Folding 1400х2530 |
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| Hydraulic system: |
“Altai” with pump NSh-50А-3 |
“Katusha” with pump NSh-100M-3 |
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Assembly line: -working pressure, MPa |
16 | 16 | |
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Working line: - working pressure, MPa |
20 | 20 | |
| Leveling jacks: | Hydraulic, double-action | ||
| Pneumatic system: | Power supply from chassis pneumatic system equipped with air drier | ||
| - working pressure (kgf/cm2) | 7 | ||
| -max. power, kWt | 30 | ||
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Mechanical rotary R400: - table opening diameter, mm - torque, Nm - load on table, t - kelly, mm |
400 11700 60 112х112х11000 |
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| Mud pump NB-80-07: | With suction and discharge manifold, drive from chassis engine | ||
| - capacity up to, l/sec | 10 | ||
| - pressure up to, MPa | 10 | ||
| Overall dimension of the rig in transit condition, not exceeding, mm | 14000 х 3000 х 4000 | ||
| Weight in transit condition, kg, not exceeding | 31 500 | ||
Lifting rig complies with SТ АО 30482858-025-2009, as well as the requirements set in GOST 12.2.088-83, GOST 12.2.125-91, GOST 4938-78, GOST 28113-89.