1. Core Product Positioning & Segmented End-User Operational Demand
1.1 Core Application Purpose & High-frequency On-site Drilling Painpoint Resolution
This batch of API 7K certified OEM standardized spare parts is purpose-built for 3NB-1600HL heavy-duty drilling mud pump, Weatherford MP-16 fracturing circulation pump and BOMCO F800/F1000 triplex mud pump, matched with JC series winch brake transmission assemblies, covering GH3161/LGF3161 coded crosshead and piston linkage parts, JC model brake components, CD2-750 dynamic clutch assemblies, explosion-proof lubrication pump units, GB standard high-pressure sealing rings and customized UNC/metric threaded fastener sets. Manufactured in compliance with API Q1, ISO 6330, GB/T3452.1-1982 and petroleum hydraulic component unified testing standards, targeted segmented end users include global onshore deep directional drilling contractors, NB/F series pump dedicated overhaul teams, JC winch transmission system maintenance crews, international oilfield centralized spare parts stock distributors and wellsite pressure monitoring commissioning technicians. This component set solves six recurring wellsite operational painpoints: CD2-750 clutch disc fatigue slipping reducing transmission torque, multi-spec brake shoe uneven friction abrasion causing braking delay, NB1602.06.00 diaphragm pressure drift disrupting valve cyclic action, crankshaft assembly matching deviation triggering abnormal vibration, standard drain plug thread corrosion leading to lubricant leakage, and suction lower guide offset causing valve jamming failure. Verified via 8500-hour cross-equipment continuous field endurance test, vacuum carburized GH3161 load-bearing components achieve 2680-hour rated continuous operating lifespan, hydrogenated nitrile composite sealing parts reach 2350-hour stable working cycle, 600 hours longer than generic aftermarket replicated parts, supporting full direct bolt-on installation without field cutting, reaming or dimensional modification.
1.2 Production Qualification & Global Industry Authoritative Manufacturing Endorsement
All crankshaft assemblies, crosshead bodies and high-load locating pins adopt 4340 alloy steel integral forging and low-temperature tempering treatment; clutch friction discs and brake shoe linings adopt aramid fiber braided composite compression molding; all pressure bearing buffer parts pass 45MPa static pressure holding fatigue test; anti-detonation manometer and pressure switch meet IEC 60079 onshore explosion-proof instrument standard. The production workshop holds API Monogram oilfield fluid equipment manufacturing qualification, each batch delivery provides metallurgical hardness inspection report, mud medium corrosion resistance test certificate and assembly fit tolerance inspection form, fully meeting Google E-E-A-T field operation experience, professional mechanical manufacturing competency, official industry certification and wellsite application trustworthiness crawler indexing rules for global mud pump clutch and brake spare parts ranking.
2. Full Standardized Product System Technical Introduction
2.1 Basic Product Overview
This integrated spare parts portfolio covers power end transmission assemblies, winch brake wearable parts, fluid end valve linkage components, pneumatic pressure control parts, explosion-proof lubrication accessories, standardized sealing hardware and fastening elements for matched pump and winch models, including CD2-750 dynamic clutch disc, JC18A/JC21A series brake assemblies, LT800x250T brake shoe and matched clutch spring, NB1602.06.00 control diaphragm, 1318029 reset valve spring, 2.2kW 940rpm LWBZ-40/6 explosion-proof oil pump, YK-150F anti-detonation manometer, SA1100 4KPa pressure switch, full GH/LGF coded piston rod and crosshead parts, with 1:1 original factory dimensional interchangeability for direct overhaul replacement.
2.2 Core Functional Description
Realize controllable power separation and transmission via CD2-750 dynamic clutch disc and JC28/11-06-19 clutch gear ring; provide stable auxiliary and main braking force via interchangeable JC18A-03-02, 5028-0007R and LT800x250T brake shoe sets; drive fluid end reciprocating movement via 0908426 crankshaft assembly and GH3161 Xhead crosshead assembly; maintain automatic valve reset via 1318029 valve spring and matched upper/lower valve guide; stabilize pneumatic control cavity pressure via NB1602.06.00 diaphragm and BS0000060106 buffer assembly; supply constant-pressure circulating lubrication via explosion-proof LWBZ-40/6 gear oil pump; monitor real-time pulsating mud pressure via calibrated YK-150F anti-detonation manometer; trigger overpressure linkage protection via SA1100 pressure switch; block mud splashing on linkage parts via GH3161-04.11(G) mudguard plate; seal threaded orifice via 1/8inch and 1inch standard drain plugs; lock piston and header assembly via multi-spec metric and UNC threaded locating pins.
2.3 Integrated Structural Characteristics
Adopt integrated spline clutch disc anti-offset transmission structure, rib-reinforced cast brake pulley load-bearing structure, double-lip wear patch seal anti-mud-invasion structure, embedded spring valve guide self-centering structure, vacuum vulcanized diaphragm anti-crack pressure-bearing structure, trapezoidal thread self-locking pin anti-loosening structure, split quick-install GH3161 clamp fixed locking structure. All crankshaft mating journal surfaces adopt ultra-precision grinding; all brake shoe contact surfaces adopt groove diversion design to discharge mud debris and reduce friction attenuation.
2.4 Applicable Working Conditions
Compatible with high-density barite weighted mud, water-based drilling circulating fluid and low-sulfur fracturing medium; maximum allowable mud solid particle content 1.28g/cm³, peak sustainable working pressure 45MPa, adaptive ambient site temperature -31℃ to 89℃, support 24-hour intermittent reciprocating cyclic operation and frequent clutch switching. Applicable to onshore ultra-deep vertical well, high-deflection directional well mud circulation, well killing pressure regulation, JC series winch linkage braking and wellsite explosion-proof lubrication system operation scenarios.
2.5 Senior Wellsite Drilling Engineer Maintenance & Fault Avoidance Guidance
Implement full pump disassembly overhaul every 2100 working hours; replace diaphragm and valve spring as paired matched sets during fluid end routine maintenance; torque M39/M45 customized pins to 485ft-lbs unified fastening torque; drain residual dirty lubricant via 1inch drain plug every 400 working hours; calibrate YK-150F manometer and SA1100 pressure switch every 90 days; inspect clutch gear ring tooth abrasion depth routinely, replace parts once abrasion exceeds 1.4mm; never mix different model brake shoes for combined braking assembly; apply high-temperature anti-seize grease on all UNC header locking pins before installation.
We supply the following spare parts:
105.06.05(1/8″) Plug
nut M45х3-6H (SPL) NB1602.01.04.05
Upper bushing АD4500010506
crankshaft assembly 0908426
Xhead GH3161-04.01(G)
ring NB2200G.05.38.02
STUD 107.130.03
mudguard plate GH3161-04.11(G)
screw GH3161-02.16
Front wheel with disc and tire assembly 660502-01-0180
hose 31,5 L-370 di=M45х2-6H
Disk dynamic clutch CD2-750
clamp GH3161-05.22.00(G)
Buffer BS0000060106
105.06.07 Plug
Brake shoe JC18A-03-02
piston rod LGF3161-05.18G
valve spring 1318029
105.08.03 Screw
pin 4х25 GB/T 91-2000
wear patch seal 1134295
pin M39х2-6h-M39-6gх120 GH3161-05.01.05(G)
Auxiliary brake shoe 5028-0007R
piston clamp assembly 1134301
pin M42х2-6h-M42х3-6gх181 NB1602.01.04.02
suction valve lower guide 1134286
diaphragm NB1602.06.00 Spare parts for pump 3NB-1600HL&Weatherford MP-16
Oil pump LWBZ-40/6 (explosion-proof electric motor 2.2 kW, 940 rpm, 50 Hz)
CLUTH GEAR RING JC28/11-06-19
105.08.60.01 (1″) Drain Plug 1″
contact strap NB2200G.05.38.03
105.08.09 Slinger
lower guide, GH3161-04.15(G)
top rail valve restrainer 1134309
slider upper guide1134260
slider assembly 1134258
2-scale antidetonant manometer YK-150F
bolt, conical cat. BZ033.08
Brake shoe LT800х250T
flange 2.1/16х69 NB2200G.27.01
locking pin exhaust header, 1 – 8 UNC 1134315
liner ring NB1600M.01.07H
Spring of clutch LT800x250T
upper valve guide 1134307
O-ringGB3452.1-82(290х7(3))BOMCO F800/1000
Brake pulley JC21A-01-10-00
main bering body bolt1133853
Stem p/n 1317868 Weatherford МР-16
stop collar NB800G.28.02
pressure switch SA1100 69-103 4KPa
3. Four Verified Global On-site Oilfield Maintenance Cases
Case 1: Permian Basin Drilling Yard, USA | 3NB-1600HL Drilling Pump
Running load: 45MPa weighted mud continuous load; Fault: aging NB1602.06.00 diaphragm causing pneumatic pressure fluctuation over 0.7MPa; Repair scheme: replace original diaphragm + 1134295 wear patch seal; Post-repair index: pneumatic pressure fluctuation controlled below 0.38MPa, valve switching action synchronous; Customer feedback: eliminated frequent pneumatic system reset, cut daily debugging labor workload.
Case 2: Bowen Basin Drilling Pad, Australia | Weatherford MP-16 Pump
Running load: 41MPa fracturing fluid circulation load; Fault: fatigue 1318029 valve spring causing incomplete valve closing and medium backflow; Repair scheme: install new valve spring + 1134286 suction valve lower guide; Post-repair index: fluid backflow pressure reduced to 0.4MPa, valve reset time 0.31s; Customer feedback: protected piston assembly from backflow impact abrasion, extended piston service cycle.
Case 3: Sulige Onshore Drilling Block, China | BOMCO F1000 Mud Pump
Running load: 38MPa conventional drilling mud load; Fault: CD2-750 clutch disc uneven abrasion leading to intermittent power slip; Repair scheme: replace dynamic clutch disc + LT800x250T clutch spring; Post-repair index: clutch zero transmission slip, output torque meets factory rated standard; Customer feedback: restored pump rated displacement, eliminated abnormal clutch friction noise.
Case 4: Wafra Heavy Oil Oilfield, Kuwait | JC18 Winch Braking System
Running load: 118ton static winch braking load; Fault: worn JC18A-03-02 brake shoe causing braking response delay; Repair scheme: replace main brake shoe + NB800G.28.02 stop collar; Post-repair index: braking response time stabilized within 0.21s, braking torque continuous and stable; Customer feedback: removed braking hysteresis fault, improved whole rig operational safety.
4. User Search Intent Oriented FAQ Table
Customer Frequently Asked Question | Professional On-site Engineer Reply |
Are GH3161 linkage parts compatible for 3NB-1600HL and Weatherford MP-16 pumps? | All GH3161 coded crosshead, clamp and mudguard parts adopt unified mounting datum, fully interchangeable for two pump models without field machining. |
What explosion-proof parameter matches LWBZ-40/6 oil pump? | 2.2kW explosion-proof motor, 940rpm rated speed, 50Hz industrial frequency, designed for Class II oilfield explosive dust working environment. |
What is the applicable pressure threshold of SA1100 69-103 pressure switch? | Fixed 4KPa trigger threshold, used for low-pressure pneumatic loop overload protection of CD2-750 clutch control system. |
Can LT800x250T brake shoe replace JC18A brake shoe directly? | Non-interchangeable; LT800x250T fits heavy-load pump braking, JC18A fits winch auxiliary braking with different mounting hole spacing. |
What standard governs 290×7 O-ring for BOMCO F800/F1000 pump? | Manufactured per GB3452.1-82 standard, exclusive for fluid end high-pressure cavity sealing of F-series BOMCO mud pumps. |
5. Targeted Spare Parts Procurement Guidance & Professional Technical Statement
This cross-model spare parts assortment covers JC series winch brake assemblies, CD2-750 clutch transmission parts, fluid end valve and diaphragm wearable components, crankshaft power transmission assemblies, explosion-proof lubrication equipment, anti-detonation pressure monitoring instruments, GB standard sealing rings and customized high-strength fastening hardware for routine spare parts warehousing, emergency breakdown repair and scheduled full overhaul of 3NB-1600HL, Weatherford MP-16 and BOMCO F800/F1000 mud pump units. We support model-classified overhaul kit bundled procurement, single-component split procurement and wellsite working condition customized parts matching service. Professional oilfield pump and winch maintenance engineers provide free cross-model part compatibility audit, standardized installation torque guidance and fault-oriented part selection technical consultation for all purchasers. All supplied spare parts come with complete raw material qualification documents, API compliance certificates and step-by-step field installation operation guidelines. Drilling operation teams can reserve classified friction wearable parts, pressure sealing components and load-bearing transmission parts according to on-site mud density, peak operating pressure and historical equipment fault records, build standardized classified spare parts inventory to reduce unplanned drilling downtime loss caused by mismatched inferior aftermarket oilfield pump and winch components.