Mechanical Drilling Rigs

The mechanical drilling rig is a robust and versatile drilling system designed for a wide range of onshore oilfield applications. It features multiple power transmission configurations, flexible braking systems, and intelligent control integration, ensuring reliable performance, high efficiency, and adaptability to different drilling depths and operating environments.

Power & Transmission System

• Multiple drive modes available for flexible configuration:
• Diesel engine + torque converter or coupling + chain compound transmission
• Diesel engine + transmission + V-belt compound drive
• Diesel engine + transmission + cardan shaft drive
• Diesel engine + transmission + gear compound drive
• Optimized power distribution for improved efficiency and stable operation
• Suitable for various field conditions and drilling requirements

Drawworks & Brake System

• Internal or external speed change system available for drawworks
• Speed shifting is fast and convenient via remote pneumatic control
• Main braking options: band brake or hydraulic disc brake
• Auxiliary braking options: electromagnetic eddy current brake or pneumatic disc brake
• Ensures reliable braking performance under heavy load conditions

Auxiliary Equipment System

• Equipped with sand reel, mechanical friction cathead, and rotary drive device
• Enhances operational flexibility and improves drilling efficiency
• Supports various drilling auxiliary functions in complex working conditions

Rig Floor & Power Layout

• For rigs above 4000 m drilling depth, two-level rig floor design is adopted
• Power and transmission systems are installed on the rear lower level
• Power is transmitted to rotary table and cathead via bevel gear reducer and universal shaft
• Compact layout improves stability and space utilization

Automation & Control System

• Optional automatic driller system available
• Independent driller’s cabin integrates pneumatic, electrical, and hydraulic control systems
• Real-time monitoring of drilling parameters and operational data
• PLC-based intelligent control for full-process supervision
• Supports data storage, printing, and remote transmission
• All drilling operations can be completed inside the cabin, improving working conditions and reducing labor intensity

Expansion & Mobility Options

• Compatible with top drive drilling system for enhanced performance
• Integrated skid rail system available for cluster well drilling applications
• Flexible configuration to meet different field and operational requirements

This mechanical drilling rig combines multiple drive technologies with intelligent control systems, delivering stable performance, flexible configuration, and high operational efficiency. It is widely used in conventional and deep-well drilling operations, providing a reliable solution for modern oilfield development.

Product types and specifications：

Drilling rig model				ZJ10B	ZJ15DJ	ZJ30B		ZJ30DJ	ZJ40L/40J/40DJ	ZJ50L	ZJ70L
Nominaldrilling depthm			127mm(5′)drill pipe	500-800	700-1400	1500-2500		1500-2500	2000-3200	2800-4500	4000-6000
			114mm(41/2′)drill pipe	500-1000	800-1500	1600-3000		1600-3000	2500-4000	3500-5000	4500-7000
Max. hook load, kN				585	900	1700		1350/1700	2250	3150	4500
Hook speed,m/s				0.134-1.3	0.26-1.08	0.192-1.458		0.23-1.21	1.54-1.75	0.20-1.33/0.19-1.77	0.22-1.88
Line strung ofhoisting system				8	8	10		10	10	12	12
Drill line diameter，mm				22	26	29		29	32	35	38
Max. pull of fast line，kN				103	130	210		210	280	350	485
Draw-works		Model		JC-10B	JC-15DJ	JC-30B		JC-30DJ	JC-40B	JC-50B	JC-70B
		Power ratingkW(HP)		210	250	440		380	735	1100	1470
		Speed		2F+1R	3F+1R	4F+1R		4F+1R	4F+2R/6F+2R	6F(4F)+2R	6F(4F)+2R
Main brake				Hydraulic disc brake or band brake
Auxiliary brake				Eddy brake+ pneumatic disc brake
Crown block				TC-60	TC-90	TC-170		TC-170	TC-225	TC-315	TC-450
Traveling block				YG-60	YG-135	YC-170/YG170			YC-225	YC-315	YC-450
Sheave OD of hoisting system, mm				600	660	1005		1005	1120	1270	1524
Hook				YG-60	YG-135	DG-250/YG170			DG-250	DG315	DG450
Swivel	Model			SL-80	XSL-135	XLS-170			SL-250	SL-450	SL-450
	Stem dia., mm			64					75
Rotay table	Table openning mm(in)			444.5(17 1/2)		520.7(20 1/2)			698.5(27 1/2)	952.5(37 1/2)
	Speed			2F+1R	3F+1R	4F+1R		4F+1R	4F+2R,3F+1R	6F(4F)+2R
Mast	Type			A	K	K or A			K
	Height, m			29	31	41		41	43	45		45
	Max. load, kN			585	900	1700		1700	2250	3150		4500
Substru-cture	Type			Box or box-on-box					Box or swing lift
	Floor height, m			3	3, 4.5	3.6, 4		3.8	6, 7.5	7.5, 9	7.5, 9
	Clear height, m			2.21	2.21, 3.2	2.91, 2.4		2.88	4.8, 6.3	6.3, 7.4	6.3, 7.4
Mudpump	Model ×number			F-800×1	F-800×1	F-1000×1		F-1000×1	F-1300×2	F1600×2	F1600×2
	Drive mode			Diesel engine drive			Compound drive