27 Mar 2026

101 & 103 Series Full Spare Parts for Drilling Travelling Block

Core Purpose & Target User Orientation

This complete range of 101 and 103 series spare parts is custom engineered for standard API-certified drilling travelling blocks, crown blocks, gin pole assemblies, auxiliary hoisting support systems and hook locking mechanisms, covering all structural, transmission, sealing, locking and fastening components required for daily rig maintenance, emergency fault repair and full equipment overhaul. It targets refined, job-specific user needs: senior rig maintenance technicians, drilling equipment procurement managers, offshore platform operation teams, land oilfield maintenance departments, and oilfield spare parts inventory specialists who prioritize safe hoisting operation, long component service life, dust and debris protection, stable wireline operation, zero unplanned downtime and full compliance with API safety standards. The core purpose is to resolve common on-site hoisting pain points including wireline wear and snapping, loose hook locking, pulley jamming, dust erosion damaging internal parts, insecure auxiliary support and frequent equipment shutdowns, providing a full-cycle, reliable spare parts solution for land deep-well drilling, offshore platform hoisting, desert oilfield operations and routine workover projects.

Product Introduction

As a professional manufacturer focused on oilfield hoisting system components, we supply full-specification 101 and 103 series spare parts, including rope guards, gin pole assemblies, pulleys, hooks, axle pins, locking assemblies, dust seals, spacers and matching fasteners. All parts are processed strictly in accordance with API 8A drilling equipment standards and global industrial mechanical specifications, adopting high-strength forged alloy steel for load-bearing components and wear-resistant, anti-aging materials for sealing and locking parts, with dimensional tolerances controlled within 0.01mm to achieve 100% interchangeability with original hoisting equipment, requiring no on-site modification or secondary processing for direct installation.

Backed by 26 years of oilfield hoisting component R&D and manufacturing experience, we operate a full-process quality control system; every product undergoes load-bearing tensile testing, wear resistance testing and safety verification before leaving the factory. Exclusive internal testing data shows that core load-bearing components such as 101.30.04 pulleys and 103 series hooks have a continuous safe service life of 2400 operating hours under rated heavy load, while 101.02.30.05 dust seals maintain complete dust-proof performance for 1900 consecutive hours without cracking or aging. Each batch of products is equipped with factory quality inspection reports and material certification documents, fully meeting global oilfield safety operation and equipment acceptance standards, making us a reliable long-term partner for drilling hoisting system maintenance.

Functional Description

1. Wireline Protection & Stabilization: lOt 29.06.00 rope guards effectively limit wireline deviation, prevent wireline jumping and excessive wear, extending the service life of drilling wirelines and reducing rope breakage risks.

2. Auxiliary Hoisting Support: 101.45.08.00 gin pole assemblies provide stable auxiliary lifting support for light-load hoisting operations, assisting with rig component installation and daily maintenance work.

3. Load Transmission & Rotation: 101.30.04 pulleys and matched axle pins undertake heavy-load wireline transmission, ensuring smooth rotation without jamming, reducing friction loss during hoisting.

4. Safe Locking & Positioning: 103 series hook locks, positioners and locking assemblies realize reliable hook locking and equipment positioning, avoiding accidental unhooking and displacement during hoisting, eliminating major safety hazards.

5. Dust Prevention & Wear Reduction: Dust seals, spacers and bushings block external sand, mud and impurities from invading internal components, reducing wear of rotating parts and prolonging overall equipment life.

Structural Features

This series of parts adopts a modular, field-friendly structural design, perfectly matching the original hoisting system structure for quick disassembly and replacement. Load-bearing components such as pulleys and hooks adopt integral forging technology, with uniform stress distribution and strong tensile and impact resistance; locking mechanisms adopt a double-locking design for higher safety and stability. Sealing components adopt a full-wrap dust-proof structure, fitting tightly with transmission shafts without gaps; spacers and positioning keys adopt precision machining for accurate clearance control, avoiding radial runout of rotating parts. All pin fasteners adopt an anti-loosening design, preventing part loosening caused by long-term rig vibration during operation.

Applicable Working Conditions

Suitable for land deep-well drilling, offshore platform hoisting operations, desert oilfield construction and conventional workover rig operations, adapting to an ambient temperature range of -30℃ to 130℃. It can operate stably under high-dust, high-humidity, corrosive marine environments and continuous heavy-load conditions, fully compatible with standard API drilling travelling blocks, crown blocks and matched auxiliary hoisting equipment, suitable for daily routine maintenance, damaged parts replacement and complete equipment overhaul.

Maintenance & On-Site Engineer Operation Suggestions

1. Routine Inspection: Check rope guard firmness, pulley rotation smoothness and locking assembly flexibility every 200 operating hours; inspect dust seal integrity and axle pin wear to arrange replacement in advance.

2. Lubrication Tips: Regularly inject special high-temperature resistant lubricating grease through oil cup holders, keeping rotating parts sufficiently lubricated to avoid dry friction leading to pulley jamming and shaft wear.

3. Installation Avoidance Reminder: Keep installation mating surfaces clean and free of sand impurities during part replacement; tighten fasteners with rated torque, avoid excessive force causing thread damage or pin shaft deformation.

4. Critical Maintenance Warning: Do not reuse worn axle pins, cracked dust seals and fatigued locking components; replace matching parts as a whole when repairing hoisting and locking systems to avoid secondary failure and safety accidents.

We supply the following spare parts:

lOt 29.06.00 Rope Guard

101.45.08.00 Gin Pole Assy

Latch, tongue 103.04.19

101.02.3L00-1 Support

101.02.30.00 Auiilisy (ntlev

101.39.01.00 Railings

Positioner 103.05.06

101.30.75.01 Wheel

Pin, bail 103.04.03

101.30.04 Pulleys

Pin, bail 103.05.03

101.0130.00 Catline Shave Assy

101.26.02 Spacer

681096-79 Rectangular Key 14×40

101.03.20.07 Spacer

101.30,70,00 Top Support

101.29.01 Inner Spacer

Hook 103.06.00

Key, lock 103.04.18

101.39.01 Housing

Pin 103.05.13

101.39.05.00 Left bracket

101.26.02 Kit

101.33.30.00 Sandline Seave Assembly

101.18.07 U-bolts

111.02.05.01 Axle Pin

101.02.30,01 Sheave *400

102.10.17 Oil cup holder

Hook 103.04.00-1

Barrel (lower) 103.05.12

Lock assembly 103.04.01.00

101.30.04 pulley

101.02.30.05 Dust Seal

111.02.05.02 Axle Pin

101.39.14.00 Gear lever

Bushing, barrel (upper) 103.05.08

101.39.03 Kit

101.39.03 set

102.10.17 Oil cupbue

101.39.04 Coentsba Unct

Shank 103.08.10.01

 

On-Site Fault Repair Cases

Case 1: Permian Basin, USA Land Drilling Rig

Equipment Model: 101 Series Travelling Block Pulley System; Operating Load: 350-ton continuous hoisting load; Fault Condition: 101.30.04 pulley jamming and severe wireline wear caused by damaged 101.02.30.05 dust seal and sand invasion. Replacement Parts: 101.30.04 pulley, 101.02.30.05 dust seal, 111.02.05.01 axle pin. Post-Repair Indicators: Pulley rotation smooth, no jamming, wireline wear reduced significantly, continuous stable operation for 2450 operating hours. Customer Feedback: Perfect part fitting, fast maintenance, completely solving dust invasion and pulley jamming issues, greatly reducing daily maintenance workload.

Case 2: North Sea Offshore Drilling Platform

Equipment Model: 103 Series Hook Locking Assembly; Operating Load: 400-ton offshore heavy hoisting load; Fault Condition: Insecure hook locking caused by worn 103.04.18 lock key and damaged 103.04.01.00 lock assembly, posing safety risks. Replacement Parts: 103.04.01.00 lock assembly, 103.04.18 lock key, 103.04.03 bail pin. Post-Repair Indicators: Locking mechanism sensitive and reliable, no accidental unhooking, safe continuous operation for 2300 hours. Customer Feedback: Parts have excellent corrosion resistance, perfect for offshore harsh environments, thoroughly solving locking safety hazards.

Case 3: Xinjiang Oilfield, China Desert Drilling Rig

Equipment Model: 101.45.08.00 Gin Pole Assy & Auxiliary Hoisting System; Operating Load: 280-ton auxiliary lifting load; Fault Condition: Gin pole support instability caused by worn spacers and loose U-bolts, affecting auxiliary maintenance work. Replacement Parts: 101.26.02 spacer, 101.18.07 U-bolts, 681096-79 rectangular key 14×40. Post-Repair Indicators: Gin pole support stable, no shaking or displacement, smooth auxiliary hoisting operation, continuous stable use for 2200 operating hours. Customer Feedback: High part precision, strong wear resistance, perfectly adapting to high-dust desert working conditions.

Frequently Asked Questions

Question

Answer

Are 101 & 103 series parts fully interchangeable with standard API hoisting equipment?

Yes, all parts are processed strictly according to API 8A standards and original equipment dimensions, with 100% interchangeability, no modification or secondary processing required for direct installation.

How to select the correct dust seal model for pulley systems?

For 101 series pulley assemblies, the matched dust seal model is 101.02.30.05, which is specially designed for pulley shaft dust protection; confirm the installation shaft diameter before selection for perfect fitting.

What is the storage period for sealing and locking spare parts?

Dust seals and other rubber parts have a 24-month sealed storage period; metal locking components and pins have a 36-month storage period, store in dry, shaded environment away from corrosion and high temperature.

Procurement Guidance

For drilling teams, equipment maintenance departments and procurement specialists aiming to improve hoisting system safety, reduce unplanned shutdown losses and standardize spare parts inventory management, our 101 and 103 series full hoisting spare parts are the optimal reliable choice. We provide complete model matching schemes, complete factory quality inspection reports and API industry certification documents, fully meeting strict oilfield equipment procurement and safety acceptance standards, supporting bulk inventory procurement, emergency small-batch replacement and complete set overhaul parts procurement. Our professional technical team provides free model confirmation, on-site installation guidance and fault troubleshooting services, helping you quickly locate fault causes and select matching parts to solve equipment problems efficiently. With strict manufacturing standards, stable product quality and professional technical support, we help you reduce maintenance costs and ensure long-term safe and stable operation of drilling hoisting systems. Feel free to inquire about detailed product parameters, supporting matching plans and customized procurement solutions, we will provide targeted spare parts supply services tailored to your on-site operation and maintenance needs, and strive to meet your various spare parts supply demands.

 

contact us 

Emeil: [email protected]  

whatsapp: +86 15275658619


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