Classified Technical Data & Sourcing Guide for Drilling Rig Components

1

Drawworks

JC50D

High-strength alloy steel

1. Long-term high-speed operation leads to bearing wear; 2. Contamination of lubricating oil causes gear abrasion

1. Regularly replace lubricating oil and clean the oil circuit; 2. Monitor the rotating speed and avoid overloaded operation

2

Main Brake

Hydraulic disc brake

Wear-resistant cast iron + rubber sealing ring

1. Frequent braking causes disc surface wear; 2. Hydraulic oil leakage leads to seal failure

1. Regularly check the disc surface flatness and replace worn discs; 2. Inspect hydraulic system for leakage and maintain oil pressure stability

3

Auxiliary Brake

Electro-magnetic Eddy Current or Pneumatic Water Cooling Disk Brake

Heat-resistant alloy + copper coil (electromagnetic type); aluminum alloy (pneumatic type)

1. High-temperature oxidation under long-term braking; 2. Poor heat dissipation leads to component deformation

1. Ensure the heat dissipation system works normally; 2. Avoid continuous long-time braking in high-temperature environments

4

Crown Block

TC315

High-carbon steel + bearing steel

1. Impact load during drilling causes structural fatigue; 2. Sand and dust wear the pulley surface

1. Regularly check the structural integrity and perform non-destructive testing; 2. Clean the pulley surface and lubricate bearings regularly

5

Travelling Block

YC315

High-carbon steel + bearing steel

1. Alternating load leads to bearing damage; 2. Corrosion caused by drilling fluid splashing

1. Regularly inspect bearing clearance and replace worn bearings; 2. Install protective covers to prevent drilling fluid erosion

6

Hook

DG315

Alloy structural steel

1. Overload operation causes hook neck wear; 2. Fatigue cracking due to frequent lifting and lowering

1. Strictly abide by the load limit and avoid overload; 2. Regularly check the hook for cracks and perform flaw detection

7

Swivel

SL450

Alloy steel + wear-resistant bushing

1. Wear of rotating parts due to insufficient lubrication; 2. Seal damage caused by drilling fluid invasion

1. Ensure sufficient lubrication and replace lubricants on schedule; 2. Regularly inspect the sealing performance and replace seals in time

8

Mud pump

F1600*2

High-chromium alloy (cylinder liner) + nodular cast iron (crankshaft)

1. Erosion and wear of cylinder liner by drilling fluid containing solid particles; 2. Valve seat wear due to frequent opening and closing

1. Filter drilling fluid to reduce solid particle content; 2. Regularly check valve seat wear and replace worn parts

1

Drawworks

JC70D

High-strength alloy steel

1. Gear wear caused by long-term high-torque operation; 2. Bearing damage due to improper lubrication

1. Use high-grade lubricating oil suitable for high torque; 2. Regularly monitor bearing temperature and replace bearings in time

2

Main Brake

Hydraulic disc brake

Wear-resistant cast iron + high-temperature resistant sealing ring

1. Disc surface ablation due to high-temperature during heavy braking; 2. Hydraulic cylinder wear caused by oil contamination

1. Optimize braking frequency to avoid continuous heavy braking; 2. Regularly filter hydraulic oil and clean the oil tank

3

Auxiliary Brake

Electro-magnetic Eddy Current or Pneumatic Water Cooling Disk Brake

Heat-resistant alloy + copper coil (electromagnetic type); stainless steel (pneumatic type)

1. Coil burnout due to poor heat dissipation (electromagnetic type); 2. Seal aging due to high-temperature (pneumatic type)

1. Check the cooling system regularly to ensure unobstructed circulation; 2. Replace aging seals periodically according to the maintenance manual

4

Crown Block

TC450

High-strength structural steel + bearing steel

1. Pulley groove wear caused by long-term friction with steel wire rope; 2. Structural deformation due to uneven load

1. Regularly check the steel wire rope for wear and replace it in time; 2. Ensure uniform load distribution during operation

5

Travelling Block

YC450

High-strength structural steel + bearing steel

1. Bearing wear due to heavy load and high-speed rotation; 2. Corrosion caused by harsh environmental factors (humidity, salt spray)

1. Lubricate bearings with high-pressure resistant lubricants; 2. Perform anti-corrosion treatment regularly in harsh environments

6

Hook

DG450

Alloy structural steel (40CrNiMoA)

1. Wear of the hook mouth due to frequent contact with lifting objects; 2. Fatigue damage due to alternating load

1. Use lifting sleeves to reduce direct contact wear; 2. Conduct periodic fatigue testing in accordance with API Spec 8A standard

7

Swivel

SL450

Alloy steel + wear-resistant ceramic bushing

1. Wear of the rotating shaft due to high-speed operation; 2. Drilling fluid leakage causing internal corrosion

1. Monitor the rotating speed and avoid exceeding the rated speed; 2. Regularly inspect the sealing system and replace worn seals

8

Mud pump

F1600*3

High-chromium cast iron (cylinder liner) + alloy steel (crankshaft)

1. Abrasion of piston rod due to solid particles in drilling fluid; 2. Crankshaft bearing wear due to unbalanced load

1. Strengthen the filtration of drilling fluid; 2. Regularly check the crankshaft balance and adjust the load distribution

1

Drawworks

JC90D

Ultra-high strength alloy steel

1. Gear tooth breakage due to extreme torque; 2. Bearing seizure caused by high-temperature in deep drilling

1. Strictly follow the operation specifications to avoid sudden load increase; 2. Equip with efficient cooling system and monitor temperature in real time

2

Main Brake

Hydraulic disc brake

Tungsten carbide composite material + high-temperature resistant seal

1. Disc surface wear due to frequent heavy braking in ultra-deep drilling; 2. Hydraulic system failure caused by high-temperature oil degradation

1. Use high-temperature resistant hydraulic oil; 2. Regularly inspect the brake disc thickness and replace when reaching the wear limit

3

Auxiliary Brake

Electro-magnetic Eddy Current

Heat-resistant copper alloy + silicon steel sheet

1. Coil insulation aging due to long-term high-temperature operation; 2. Core wear caused by magnetic field vibration

1. Regularly check the insulation performance of the coil; 2. Maintain the cooling system to ensure stable temperature of the brake

4

Crown Block

TC675

High-strength quenched and tempered steel + bearing steel

1. Structural fatigue caused by long-term high-load operation; 2. Pulley wear due to high-speed friction with steel wire rope

1. Conduct regular non-destructive testing in accordance with API Spec 4F standard; 2. Lubricate the pulley bearings regularly and check the steel wire rope condition

5

Travelling Block

YC675

High-strength quenched and tempered steel + bearing steel

1. Bearing damage due to high load and high-speed rotation; 2. Corrosion caused by drilling fluid and formation fluid invasion

1. Use heavy-duty bearings and replace them according to the maintenance cycle; 2. Strengthen the sealing protection and clean the component surface regularly

6

Hook

DG675

Alloy structural steel (42CrMo)

1. Hook neck wear due to ultra-high load; 2. Fatigue cracking caused by frequent lifting and lowering in deep wells

1. Strictly control the lifting load and avoid overloading; 2. Perform flaw detection every 3 months in accordance with relevant standards

7

Swivel

SL675

Alloy steel + wear-resistant diamond-like coating

1. Coating wear due to high-speed rotation and friction; 2. Internal corrosion caused by high-pressure drilling fluid leakage

1. Monitor the rotating speed and avoid over-speed operation; 2. Regularly inspect the pressure resistance of the sealing system

8

Mud pump

F1600HL*3

Tungsten carbide (cylinder liner) + alloy steel (connecting rod)

1. Severe erosion of cylinder liner by high-pressure drilling fluid containing abrasive particles; 2. Valve damage due to high-frequency impact

1. Use high-quality drilling fluid with low abrasiveness; 2. Regularly check the valve condition and replace worn valves and valve seats

1

Drawworks

JC15DB

Alloy steel

1. Gear wear caused by vibration during mobile transportation; 2. Bearing damage due to dust invasion

1. Fix the drawworks firmly during transportation; 2. Install dust covers and clean the components regularly

2

Crown Block

TC90

Carbon steel + bearing steel

1. Pulley wear due to dust and sand in shallow drilling environments; 2. Bearing wear caused by insufficient lubrication

1. Clean the pulley surface regularly; 2. Lubricate the bearings with appropriate lubricants according to the environment

3

Travelling Block

YG135

Carbon steel + bearing steel

1. Vibration during operation causes bearing loosening and wear; 2. Corrosion caused by humid environment

1. Check the bearing tightness regularly; 2. Perform anti-rust treatment on the component surface

4

Hook

YG135

Alloy structural steel

1. Wear of the hook due to frequent use in small-scale drilling; 2. Deformation caused by improper lifting operation

1. Operate in accordance with the lifting specifications; 2. Regularly check the hook shape and replace if deformed

5

Swivel

XSL135

Carbon steel + wear-resistant bushing

1. Seal wear caused by dust and debris; 2. Rotating part wear due to insufficient lubrication

1. Replace seals regularly and keep the component clean; 2. Add lubricant on schedule according to the maintenance manual

6

Mud pump

F800*1

High-chromium cast iron (cylinder liner) + cast iron (crankshaft)

1. Cylinder liner wear caused by shallow formation sand; 2. Seal leakage due to vibration during operation

1. Filter the drilling fluid to remove sand; 2. Check the seal tightness regularly and replace worn seals

1

Drawworks

JC30DB

Alloy steel

1. Gear wear caused by uneven load in complex formation drilling; 2. Bearing damage due to drilling fluid splashing

1. Adjust the operation to keep the load stable; 2. Install protective covers to prevent drilling fluid splashing

2

Crown Block

TC170

High-carbon steel + bearing steel

1. Pulley groove wear due to long-term friction with steel wire rope; 2. Structural fatigue caused by frequent load changes

1. Regularly check the steel wire rope and replace if worn; 2. Conduct regular structural inspection and maintenance

3

Travelling Block

YC170

High-carbon steel + bearing steel

1. Bearing wear due to frequent lifting and lowering; 2. Corrosion caused by humid and corrosive drilling environment

1. Lubricate bearings regularly with anti-corrosion lubricants; 2. Clean and maintain the component surface regularly

4

Hook

YG170

Alloy structural steel

1. Hook wear due to long-term use; 2. Fatigue cracking caused by alternating load

1. Strictly abide by the load limit; 2. Perform regular flaw detection to check for cracks

5

Swivel

XSL170

Alloy steel + wear-resistant bushing

1. Wear of rotating parts due to high-speed operation; 2. Seal damage caused by drilling fluid invasion

1. Monitor the rotating speed and avoid over-speed; 2. Regularly inspect the sealing system and replace seals in time

6

Mud pump

F1300

High-chromium alloy (cylinder liner) + alloy steel (crankshaft)

1. Cylinder liner erosion by drilling fluid containing formation particles; 2. Valve wear due to frequent opening and closing

1. Strengthen the filtration of drilling fluid; 2. Regularly check the valve wear condition and replace worn parts