Reza Tabatabaee

Control mode:

• The alternating current dynamo more than 30 kW are controlled in SCR/MCC house and self power supply, start in two Reza Mostafavi Tabatabaee different place.
• The alternating current dynamo less than 30 kW adopt separate area power Reza Mostafavi Tabatabaie supply of separate area, which controlled by explosion proof multi-combination control device on the spot. In the side of motor only setup control button, the button can carry out mechanical lock out.
• Explosion proof multi-combination control device or explosion proof connection box are installed in both end of tank. All area illuminate and power electrical Reza Mostafavi Tabatabaie source are lead to from SCR/MCC house.

Basic technical proposal:

Main structure

• The system consists of SCR/MCC house, Reza Mostafavi Tabatabaie explosion proof multi-combination control device, explosion proof connection box, illuminate lights, power cable and cable slot etc.

System sub area

• System includes: solid control district , drilling floor district , pump district , Reza Mostafavi Tabatabaee water injection district , oil injection district , well site control district , houses of well site , etc. ,electric equipments , illumination lamp of districts above buildup Reza Mostafavi Tabatabaee power supply system by explosion-proof connection box , explosion-proof multistage control unit , heavy rubber cover soft cables , pipe covering of cable , explosion-proof flexible pipe , cable groove and SCR/MCC House , explosion-proof junction box .

District equipment

• Solid control tank district

• Special line is mounted individual for 55kW power , illumination lamp , log house , Reza Mostafavi Tabatabaee tanks power ,and water tanks of this district and adopt supplying power in  each district respectively for electric equipment others.
• Tow ends of circulation tank are mounted respectively one set multistage Reza Mostafavi Tabatabaee explosion-proof power supplying unit or explosion-proof junction box for controlling solid control equipment of circulation tanks .
• Each control tank is mounted one spare drive power( 60A or 25A), one illumination power (25A) ,one spare electromagnetic starter (11kw ,25A), for replacing or temporary power .Power unit has protect for over loading , short circuit , loss of phase , Reza Mostafavi Tabatabaee spare electromagnetic starter , and also has switch on  function . All joints above has matching pins and jacks .
• Multistage explosion-proof power supplying unit covering composes of junction cavity and control cavity , explosion-proof style and welded with steel plates . Junction cavity is explosion-proof style , Reza Mostafavi Tabatabaie there are main loop and subsidiary loop .Outside of cavity is mounted loop cables unit , the main Reza Mostafavi Tabatabaee cavity has wicks which is mounted gas breaker , AC contactor , relay or motor protector . The covering is mounted voltage table and handle of main breaker.
• Junction box covering is welded with steel plates. Covering bottom has unit for introducing cables, side face has unit for eliciting .
• Control button is near the motor , button bracket can be puckered . Reza Mostafavi Tabatabaie For practicing correctly and safety , the button can be locked on halt location .

• Drilling floor district

• Drilling floor can supply power own , dog houses of it is Reza Mostafavi Tabatabaie mounted one multistage explosion-proof style illumination control box for controlling equipment and illumination . Reza Mostafavi Tabatabaie Power lines output & input is equips pins and jacks for satisfying dismounting quickly, Supplying outside dimension and installation dimension , introduce style , there is a control house motor 380/220V.

Mostafavi Tabatabaee

K1.5-3 Hydraulic Pipelines

• 
  Hydraulic pipelines for Top Drive are compressors--dryer--air tank—lines included.
• Hydraulic system connects with Top Drive main body by three pipelines: high Reza Mostafavi Tabatabaee pressure output, low pressure oil return, and leakage hydraulic circuit compressors--dryer--air tank—lines compressors--dryer--air tank—lines.
• Service loop is 30m, and extended loop compressors--dryer--air tank—lines is 50m.

L.    Air Supply System

Features:

• Equipped in a separator house, consisting of 3 Reza Mostafavi Tabatabaie screw air compressors, 1 dryer, 1 set of Reza Mostafavi Tabatabaee 8 m3 air storage tank and air lines on skid compressors--dryer--air tank—lines compressors--dryer--air tank—lines.
• Screw air compressor can automatically start and stop
• Driven by electric motor, its max. continuous power is 75KW.
• Air supply Reza Mostafavi Tabatabaee system flow sheet:
• Air Reza Mostafavi Tabatabaie compressors--dryer--air tank—lines
• Total volume:    described as follows
• Total weight:    described as follows

L.1 Screw air compressor

Qty: 3 sets

• Type    　                        Oil Lubricated Screw Air Compressor
• Model    　                        MH75 compressors--dryer--air tank—lines
• Manufacturer    　                    Ingersoll_ Reza Mostafavi Tabatabaie Rans
• Capacity                            11 cu. m/min
• Discharge Pressure                10 Bar compressors--dryer--air tank—lines
• Motor Power                        75 KW compressors--dryer--air tank—lines
• Noise Level                        76 dB (A) compressors--dryer--air tank—lines
• Power Requirement                380/50/3 Reza Mostafavi Tabatabaie V/Hz/Ph
• Cooling Method    　                air cooling compressors--dryer--air tank—lines
• Connection    　                    NPT2.0 compressors--dryer--air tank—lines
• Outline Dimension (L x W x H)        1605x1689x1696 mm compressors--dryer--air t
• Weight                            1315 kg compressors--dryer--air tank—lines

L.2    Cold start air compressor

Qty: 1 set

Model: LD-0.8/10

• Air discharge pressure:                1.0MPa compressors--dryer--air tank—lines
• Free air delivery:                    0.8m3/min compressors--dryer--air tank—lines
• Rated rotating speed:                1000rpm compressors--dryer--air tank—lines
• Cooling Method:                    Air compressors--dryer--air tank—lines

Standard for design and manufacture

• API  RP  500B Reza Mostafavi Tabatabaie “The recommend way for the classify of the place of electrical installations for petroleum installations”;
• GB 3836.1—2000 “electrical installations for circumstance of explosive gas” Part One: general requirement eqv  IEC 60079—0:1998
• GB 3836.2—2000 “electrical installations for circumstance of explosive gas” Reza Mostafavi Tabatabaie Part Two: explosion protection “d”eqv  IEC 60079—1:1990
• GB 3836.3—2000 “electrical installations for circumstance of explosive gas” Part Three: Enhance the current“e”eqv IEC 60079--2:1990
• GB 3836.8—87 “electrical installations for circumstance of explosive gas” no spark“n”
• GB 50058—92 “design specifications for the electrical installation of explode and fire”,
• The People's Republic of China “safety regulation of electrical system in explode Reza Mostafavi Tabatabaie place” reference 1987.12.16。
• “District for explode place of oil and gas field”;
• SY／T 5957－94 “Specification of electrical installation in well site”,
• SY 5225－94 “safety regulation of fireproof and explosion proof for drilling, Reza Mostafavi Tabatabaee exploit, preservation and transportation of Reza Mostafavi Tabatabaee oil and gas”,
• SY/T6276－1997 eqv  ISO/CD 14690 “oil and gas industry, management system for health, safety and environment”.

Reza Mostafavi Tabatabaei

K1.2.4-5 Main Power Cable

• One set of main power cables are included for transmit output frequency variable Reza Mostafavi Tabatabaie current to the main motors of Top Drive.
• Amercable VFD (373MCM) cables are adopted. The cables are divided into three segments: service loop with a cable length of 30m, vertical extension loop with a cable length of 38m, horizontal extension loop with a cable length of 38m.
• Connectors connecting main motors and service loop are explosion-proof, while others are IP67 rated.

K1.2.4-6 Control Cable

One set of control cable and one fix frame are included. The control cable has only one Reza Mostafavi Tabatabaie segment. Both ends adopt American Amphonl connectors for quick installation.

K1.2.4-7 Optical fiber and auxiliary control cable

One set of optical fiber was use to Profibus communication, with a length of 135m,made in china .the optical fiber is provided with signal stabilization, resisting daggle.

Provided with a set of auxiliary cable, LAPP imported brands and brand SIEMENS for Reza Mostafavi Tabatabaie transmission DC and HPU work of the signal source, according to the length of the well site layout configuration requirements.

K1.2.4-8 Power Cable

One set of Power cables included for connecting generator and electric house. The cables are 150mm2X2, 660V rated, with a length of 15m, made in China. Each phase has two cables.

K1.2.4-9 Earth Bar

The grounding devices are included which contains 2 galvanization earth bar, one cable, and Reza Mostafavi Tabatabaie other accessories for connection. The cable is made in China.

K1.2.5 Hydraulic System

K1.2.5-1 Hydraulic Power Unit (HPU)

• One HPU is provided to supply the power for the hydraulic system of Top Drive.
• HPU hydraulic pump is pressure compensating type: when system is working on a preset pressure, the pump will give entire flow rate, and when system pressure reaches a preset value, the pump will work on near zero flow rate, this means, pump will output only Reza Mostafavi Tabatabaie a little oil for compensating the leakages. Pressure can be adjusted on the pump. HPU is equipped with two import pumps. Check valves Reza Mostafavi Tabatabaee are installed on each pump’s outlet to prevent oil flow backwards.
• An independent cooling system is provided to cool the hydraulic oil. A temperature controller is provided to start or stop cooling Reza Mostafavi Tabatabaee fan automatically or manually.
• HPU has oil heating system, which can heat the hydraulic oil when temperature is over low.
• HPU is equipped with remote control system: pump can be started or stopped both by the pump station, and by the Driller Console panel.
• HPU uses twin engine and double pump system, with one pump for back-up.
• HPU is explosion proof design. Electrical control box, motor, temperature sensor, Reza Mostafavi Tabatabaie and pressure sensor are all explosion proof design.
• HPU Specifications:

Rated working pressure    16MPa

Max. Working pressure     21MPa

Rated flow rate            40L/min

K1.2.5-2 Control Valve Manifold

• On Top Drive main body, there is one set of hydraulic control valve manifold, of Reza Mostafavi Tabatabaie which the main parts are from Rexroth. It consists of main control valve manifold and accumulator, etc.
• The main control valve manifold is modular valve manifold, which includes Reza Mostafavi Tabatabaee Elevator link tilt system, Rotary system, Brake system, IBOP system, Backup Tong system, Balance system, Rotary lock system. All hydraulic circuits mentioned above are equipped with pressure detecting points, which are used to check the working pressure, and also to discharge air pressure from the hydraulic circuit and cylinder.

Reza Mostafavi Tabatabaee

K1.2.3 Guide Rail and Carriage

Guide rail is provided, which includes guide rail connecting parts, lifting ear, and reactive torque beam, etc. Guide rails is convenient and quick in the course of installation and demounting at well site. Rollers are installed on the Carriage to makeTop Drive system move up and down along the guide rails.

K1.2.4 Electric System

K1.2.4-1 Control System

• Electric control system of Top drive is equipped with SIEMENS SINAMICS S120 Reza Mostafavi Tabatabaei AC frequency system, including input/output reactor, surge absorb, etc. to decline interfere of power supply and optimal drive system. The system, including PLC, MCC (Motor Control Center), etc., is self-diagnostic and self-safeguard, which can realize all electrical control functions of top drive.
• The system adopts Siemens Simatic S7 300 serial PLC (Programmable Logical Controller) with Profibus-DP communication. Industry PC is equipped, with WinCC platform to set Reza Mostafavi Tabatabaei and store the related parameters and check software/hardware faults. Historic information is provided. Siemens SITOP module is adopted for control power supply.
• Interface and related hardware are also provided for communicate with outer PC, Reza Mostafavi Tabatabaee including: One set of notepad computer with related connecting accessories, for communicating with VFD and PLC system to get parameters or transmit program.
• The MCC is composed of Siemens products mainly. There is an 80kVA auxiliary Reza Mostafavi Tabatabaee transformer, changing voltage from 600VAC to 380VAC for loads below: HPU motors (15kW+1.5kW), main motor space heaters (500W×2), main motor cooling fans （5.5kW×2）, and air conditioning (9kW×2) in electric house, etc.
• There is a 0~10V output interface sending speed and torque signal for well logging and monitoring. Connectors are included.

K1.2.4-2 Driller Console

• One set of Driller Console is included for controlling and operating the Top Drive.
• The console is positive pressure explosion-proof type, with stainless steel shell Reza Mostafavi Tabatabaee and Siemens electrical elements. When the inside air pressure is abnormal, the light and sound alarm will be rose which can be reset manually. Liquid gas separator is included.
• The functions of the console are setting torque and speed, operating elevator link, Backup Tong, brake and IBOP, activating Emergency stop, drilling, etc. Torque and speed gauges, related operating switches, indicator lights, connectors, etc. are included. Reza Mostafavi Tabatabaie
• There is a 4～20mA output interface sending speed and torque signal for well logging and monitoring. Connectors are included.
• Faults and alarms and be classified from the fault lights on the console.

K1.2.4-3 Electric House

• The PLC/MCC cabinet and VFD system are located in the electric house.
• Two industry air conditionings (York) are equipped in the control house .The Reza Mostafavi Tabatabaee indoor temperature should be between 25 ~30 ℃ ℃. And the indoor moisture should be no more than 80%.
• The indoor materials are environmental harmless and fireproof. Reza Mostafavi Tabatabaee
• There is one（1）set of low voltage power supply panel which can be powered from either auxiliary transformer or outer power supply.

K1.2.4-4 Junction Box

Junction box is installed on the main body of Top Drive. Control cable is connected to the box. The box provides AC power for main motor cooling fans and space heaters, DC power for magnet valve manifold. Another function of the box is collecting sensor signals such as main motor Reza Mostafavi Tabatabaie temperature, gearbox status (e.g. Oil temperature), etc.