Baoding Hongye Petroleum Prospecting Machinery Manufacturing Co., Ltd.

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Drilling Rig WTZ-300

Product Details:

Application	Oil
Type	Drilling Rig
Place of Origin	Hebei, China (Mainland)
Brand Name	WYTAN
Model Number	WTZ-300

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Detailed Product Description

WTZ-300 truck mounted drilling rig is used to prospect petroleum, coal, minerals, hydrology engineering and drill engineering hole. The drilling rig applies in complex terrain, such as Gobi and Desert area. The drilling rig is mounted on 6*6 off-road chassis and take-off power from truck engine directly. The drilling rig can be drill hole with mud drilling and air drilling. It has comprehensive drilling ability. The rig consists of re tractable rotary table with five speeds, two double-drum drawworks, power air compressor and mud pump, constant pressure pulldown device, four hydraulic leveling jacks, concentrated panel and operating levers.

Main specifications

Drilling method		Mud drilling
		Air drilling
Drilling depth		Mud drilling	300 m
		Air drilling	80 m
Drilling tools	Drilling pipe	Kelly	φ85.7 X 7100 mm
		Drilling pipe	φ60.3 X 6100 mm
	Drilling bit	3-wings drag bit	5 1/2
		Rock bit	4 5/8
Rotary table		Max output torque	5200 Nm
		Rotary speed	27-267r/min
Mast		Length	10m
Pulldown & hoisting system		Max hoisting force	91kN
		Pulldown force	30kN
		Max hoisting speed	1.0 m/s
Hydraulic system		Pressure	16 MPa
Air compressor	Pressure	One stage compression	0.25 MPa
		Two stage compression	0.8 MPa
	Displacement	One stage compression	16.5 m³/min
		Two stage compression	12.5 m³/min
Mud pump	Max displacement		570 L/min
	Max Pressure		3.0 MPa
Water injection pump	Displacement		34L/min
	Pressure		1.0MPa
Mast	Height		10024mm
	Load capacity		15800kg
Overall dimensions		LWH (mm)	10460×2500 × 3800
Gross weight			20465kg

Basic rig made of :

1. Main framework:

Made out of welded high quality steel structural members and tubular sections. 4 hydraulic stabilizers for leveling and positioning the rig, complete with check valve and ball joint steel plate.

2. Mast support upright:

Made out of electrically welded high quality steel, hydraulic cylinders for lowering and raising the mast.

3. Mast:

type construction, made out of electrically welded high quality steel. Length:

4. Rotary table

High quality cast-iron case, pinion-crown transmission, alloy treated steel shaft gear mounted on bearings, oil lubrication,.

Max. output torque: 5200N.m

Rotary speed: 27-267

5. Pull down system:

Hydraulically powered device by means of motor and heavy-duty high resistance chain.

Pulldown force:30kN

6. Drawworks

Double drum, power by mechanism device.

7. Mud pump

horizontal, double action duplex pump, made up of fluid and power ends, gear with eccentrics, connecting rods, crossheads, liners, pistons, rods, valve and valve seat, pulsation dampener, mud suction pipework.

8. Air compressor

Mode 2w-12.5/8, double-stage single operating reciprocating piston model. 2W-12.5/8 air compressor has many advantages, such as compact construction, performance well, maintain easy, working steady and reliable.

Number of cylinder (one-stage) 4 +(2-stage) 2

9. Hydraulic system

Hydraulic oil tank, canopy inspection and cleaning, filter, level indicator, and temperature gauge.

Hydraulic pump (made in USA, :constant pressure variable displacement axial piston pump,

Hydraulic pulldown motor (made in Italy): low speed high torque,

Hydraulic multiple valve ( made in Italy): hand operated, 8 units

10. Truck

The driling rig can be mounted on several kinds of different of truck.