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Page-15 XJ350 Workover Rig Operation and Maintenance Manual

Section II Technical parameters and performances 1. Technical parameters Servicing depth 2-7/8’’ tubing

4000m

Workover depth 2-7/8’’ drill pipe

3200m

Maximum hook load

900KN

Maximum lifting speed of hook

1.38m/s

Mast mode

Mast,

two

sections,

hydraulic raising/lowering and extending/retracting Mast clear height

31.7m

Max. hook load of mast

1020KN

Traveling system structure

4X3

Rope diameter

ĭ26mm

Draw works mode

Double

drum

with

MODEL

122

HYDROBRAKE The rated power of drawworks

350kW (476HP)

The lifting gear of draw works

5 forward 5 reverse

Maximum pulling force of fast line

180kN

Hydraulic system

Rated pressure MPa

14

Rated flow rate L/min

165

Oil tank capacity m3

1.0

Pressure MPa

0.833~0.93

Flow rate L/min

670

The capacity of main air cylinder

0.155

Air pressure system

Power transmission mode

Hydraulic mechanical

The rated power of engine HP/r/min

287kw/385HP/2100

Torque-converter mode

c/w

locking

hydraulic reducer

clutch,

Page-16 XJ350 Workover Rig Operation and Maintenance Manual Torque factors of transmission

2.08

Transmission

5 forward 1 reverse

Chassis mode

Special drilling rig chassis

Model of crown block

TC90

Max. static load

900KN

Driving mode

10×8

Steering mode

Hydraulic assist power

Steering axle

Front axles 1s,2nd axle

Driving axle

1st, 2nd, 3rd and 4th axle

Driven axle

5th axle

Maximum speed

km/h

63

Limited speed

km/h

45

Minimum turning radius

m

Operation

Maximum wind speed

environment

Temperature oC Relative humidity

Overall size m

Moving state

km/h

15 110 -19~50

%

95 18.7X3.1X4.28

(L×W×H) The weight of drilling rig Kg

46000

Page-17 XJ350 Workover Rig Operation and Maintenance Manual

2. Loading characteristics curve of hook Load characteristics curve of hook

໻䩽䋳㥋⡍ᗻ᳆㒓 

1 gear hook load ḷ໻䩽䋳㥋 2 gear hook load 3 gear hook load ḷ໻䩽䋳㥋 4 gear hook load 5 gear hook load





ḷ໻䩽䋳㥋

໻䩽ᦤछ䋳㥋 kN

Lifting load of hook KN



ḷ໻䩽䋳㥋



ḷ໻䩽䋳㥋4









 











໻䩽ᦤछ䗳ᑺ m/s

Hook hoisting speed m/s







Page-18 XJ350 Workover Rig Operation and Maintenance Manual

II. Components section Section I Drawworks assembly Drawworks assembly has a double drum structure. Main drum is used to run drilling tool, lower casing and control bit pressure during drilling operations. I. Technical parameters List of technical parameters Model

JC-350

Type

Double drum

Rated power

350kW(476HP)

Technical parameters

Main drum (LEBUS

Sand drum

rope groove) Drum body

Brake rim

Diameter mm

ĭ429

ĭ324

Length mm

965

1016

Diameter mm

ĭ1070

ĭ1070

Width mm

310

210

Cooling method

Forced

Brake tape wrap angle

water

Pressure

spraying

circulation cooled

water cooled

345°

345°

Diameter, wire line

mm

ĭ26

ĭ14.5

Wire line capacity

m

500

3000

180 (2nd wrap)

115 (2nd wrap)

ATD-224H

ATD-124H

Pull of fast line Clutch

KN

(Pneumatic

push

disc) Auxiliary brake

MODEL HYDROBRAKE

(Pneumatic disc)

122

push