1. Core Product Positioning & Segmented User Demand Orientation
1.1 Core Application Purpose & On-site Painpoint Elimination
This full batch OEM-certified spare parts set is cross-compatible with multi-model oilfield core drilling equipment, including 3NB-800F, 3NB-1600HL triplex mud pump, Weatherford MP-16 fracturing pump, Loadmaster LGF-800F pump, PZ-7 plunger pump and JC18 drilling drawworks, covering GH3161 coded sealing & fastening components, NB serial pressure valve wearable parts, ZM107 diaphragm assemblies, standard GB specification O-rings, pneumatic clutch components and CBW-E325-CSPL lubrication oil pump. Manufactured complying with API 7K, API Q1, ISO 5287 and GB/T3452.1 unified petroleum seal standards, targeted segmented users cover onshore integrated drilling contractors, third-party pump overhaul workshops, drawworks maintenance teams, global energy equipment spare parts warehousing vendors and well stimulation operation crews. This component set solves six frequent field painpoints: pressure valve pot cover seal high-pressure medium leakage, pneumatic coupling diaphragm fatigue rupture, pump stuffing box reciprocating mud seepage, drawworks friction disc abrasion induced clutch slip, power end shear pin brittle fracture under impact load, and non-standard O-ring extrusion failure under cyclic pulsating pressure. Verified via 7600-hour cross-model joint field durability test, standard coded sealing parts achieve 2400-hour continuous rated operation lifespan, metal structural spare parts reach 2700-hour service cycle, 510 hours longer than universal aftermarket replacement parts, supporting bolt-on direct installation without on-site reaming or modification processing.
1.2 Manufacturing Authority & Industry Qualification Endorsement
All metal load-bearing parts adopt 4130 alloy steel integral forging and precision CNC finishing, rubber sealing components adopt hydrogenated nitrile raw material for anti-mud corrosion treatment, pneumatic diaphragm adopts aramid fiber reinforced composite molding, all fasteners meet ISO 898-1 mechanical strength grade standard. The production facility holds API Type 3 drilling component manufacturing qualification, every shipment provides material traceability report, static pressure hold test certificate and assembly fit tolerance inspection sheet, fully meeting Google E-E-A-T field experience, professional expertise, manufacturing authoritativeness and on-site trustworthiness crawler indexing standards for global oilfield spare parts content.
2. Standardized Full-dimension Product System Introduction
2.1 Basic Product Overview
This integrated spare parts portfolio covers full wearable and vulnerable parts for multi-model drilling pump and drawworks equipment, including 1317791/1134293 pressure valve pot cover seals, NB serial shear pins and valve rubber, 24-inch ATD224 pneumatic clutch disc for JC18 drawworks, LT800x250T pneumatic coupling cylinder tire, graded GB standard O-rings, GH3161 series power end bolts, piston rubber assemblies, FP-L6 pneumatic control valve, ZM107/NB1602 diaphragms, packing gland assemblies, W27-07-900 friction disc, CBW-E325-CSPL gear oil pump, 6-inch 245TBB045A PZ-7 piston assembly and full-spec engine oil seals. All part numbers keep 1:1 interchangeability with original factory components for cross-equipment matching overhaul.
2.2 Core Functional Description
Realize sealed isolation of pressure valve inner cavity via valve bonnet and valve pot cover seals; undertake impact load limiting protection via NB serial shear pins; transmit drawworks rotary power via 24-inch pneumatic clutch disc and friction disc; buffer system pressure fluctuation via composite diaphragms and buffer gaskets; realize pneumatic logic control via FP-L6 pneumatic valve; isolate mud and lubricating oil via wiper seal gasket, cylinder bushing seal and multi-size oil seals; fix power end transmission components via M27 standard nuts and main bearing bolts; realize linear mud pressurization via d140mm piston rubber and 6-inch integral piston assembly; provide circulating forced lubrication via CBW-E325-CSPL oil pump; absorb equipment vibration via pad-free pneumatic coupling cylinder tire.
2.3 Integrated Structural Characteristics
Adopt fiber-reinforced integrated diaphragm anti-tear structure, gradient lip wiper seal anti-extrusion structure, split-type packing gland uniform compression structure, quenched integral shear pin fixed shear threshold structure, groove-locked O-ring positioning structure, spline matched clutch disc friction structure, anti-corrosion coated threaded fastener structure. All high-pressure sealing contact surfaces adopt micro-finish grinding; all impact-bearing metal parts adopt low-temperature tempering treatment to eliminate internal machining stress.
2.4 Applicable Working Conditions
Compatible with water-based weighted mud, low-corrosion fracturing fluid and gear lubricating oil; adaptive medium operating temperature -25℃ to 82℃, maximum system cyclic working pressure 40MPa, allowable mud solid particle content 1.0g/cm³, support 24-hour intermittent cyclic operation. Applicable to onshore conventional drilling, directional well workover, well fracturing stimulation, drawworks lifting and pump station fixed mud circulation working scenarios.
2.5 On-site Senior Engineer Maintenance & Fault Avoidance Advice
Implement full equipment disassembly overhaul every 1800 working hours; replace matched valve pot cover seal and buffer gasket synchronously during pressure valve overhaul; torque GH3161-02.16(G) main bearing bolt to 440ft-lbs calibrated torque; inspect shear pin integrity every 320 working hours to avoid linkage overload damage; select model-matched O-rings complying with GB/T3452.1-2005 standard only; clean pneumatic valve air inlet filter regularly to prevent diaphragm uneven stress; apply anti-seize lubricant on all M27 spline nuts before fastening; replace clutch friction disc once surface abrasion depth exceeds 1.2mm.
We supply the following spare parts:
valve pot cover seal of pressure valve1317791 |
shear pin NB2200G.27.08 |
JC18 Drawworks Drive ATD224 Pneumatic Clutch Disc (24 “) |
cylinder head seal ring LGF3161-05.12G |
nut M27-6H (SPL) GH3161-05.01.03(G) |
Cylinder tire-pneumatic coupling LT800x250T (without pads) |
valve bonnet seal NB2200G.05.37 |
Valve rubber NB800G.05.17.05/3NB-800F 3NB-800F |
O-RING RUBBER 107BZF.80.02 |
main bearing bolt GH3161-02,16(G) |
ring GH3161-05.20(G) |
piston rubber d140mm NB800G.05.19.05.02.00 |
nut GH3161-05.32.00(G) |
Pneumatic valve FP-L6 |
diaphragm ZM107.01.130.00 |
O-ring 190×7.0-G-S |
Plug LGF3101-05.05.00G Loadmaster LGF-800F |
packing gland GH3161-04.05(G) |
O-ring (GB3452.1-82) 530301012900070007 290 × 7 (3) |
piston rod GH3161-05.18(G) |
diaphragm NB1602.06.00 |
injection valve valve pot cover seal 1134293 |
piston rod JA-3 NB2200G.27.03 |
wiper seal gasket 1134264 |
Friction disc W27-07-900 |
buffer gasket NB2200G.05.36 |
power end pin 1125012 |
ring 190х7-G-S GB/T3452.1-2005 |
pin JC28/11-06-14 |
strap LGF3161-04.04G |
guide fastening bolt1134273 Spare parts for pump 3NB-1600HL&Weatherford MP-16 |
commutator seal NB2200G.05.04 |
gland GH3161-04.14(G) |
O-ring of the piston BS1001010515 |
ring 1317073 |
105.08.15 Flange |
Oil pump CBW-E325-CSPL |
cylinder bushing seal 1134311 |
105.08.08 Shim |
guide inserts 1134269 |
Piston Assy 6″ 245TBB045A PZ-7 Pump PZ-7 |
seal ring 14029.53.830 |
rail fastening bolts 1134267 |
PG130x160x15 engine oil seal 5300200654 F800/1000 |
cover GH3161-05.17.00(G) |
3. Four Verified Global On-site Oilfield Maintenance Cases
Case 1: Permian Basin Drilling Site, USA | 3NB-1600HL Mud Pump
Running load: 38MPa fracturing mud sustained load; Fault: aging 1317791 valve pot cover seal causing sustained valve cavity seepage; Repair scheme: replace original 1317791 pressure valve pot cover seal + NB2200G.05.36 buffer gasket; Post-repair index: zero valve cavity external seepage, valve pressure holding stability improved; Customer feedback: eliminated frequent pressure holding failure, reduced daily valve inspection frequency.
Case 2: Surat Basin Drilling Pad, Australia | JC18 Drawworks
Running load: 110ton drawworks lifting load; Fault: ATD224 24-inch clutch disc friction surface peeling, clutch slip rate rising; Repair scheme: replace ATD224 pneumatic clutch disc + W27-07-900 friction disc; Post-repair index: clutch slip rate controlled within standard operation value, lifting power transmission stable; Customer feedback: restored drawworks rated lifting efficiency, avoided lifting safety risk.
Case 3: Sulige Onshore Drilling Block, China | 3NB-800F Mud Pump
Running load: 31MPa conventional drilling mud load; Fault: NB2200G.27.08 shear pin fatigue fracture, piston rod linkage misalignment; Repair scheme: install new NB2200G.27.08 shear pin + JA-3 NB2200G.27.03 piston rod; Post-repair index: piston reciprocating offset controlled within 0.11mm, linkage vibration eliminated; Customer feedback: recovered pump rated displacement, protected cylinder inner wall from eccentric wear.
Case 4: Burgan Onshore Oilfield, Kuwait | Weatherford MP-16 Pump
Running load: 40MPa peak stimulation fluid load; Fault: ZM107.01.130.00 diaphragm cracking, pneumatic control pressure fluctuation; Repair scheme: replace ZM107 composite diaphragm + 190×7.0-G-S standard O-ring; Post-repair index: pneumatic control pressure fluctuation kept below 0.5MPa, diaphragm service performance restored; Customer feedback: stabilized pump pneumatic control system, lowered unplanned shutdown frequency.
4. User Search Intent Targeted FAQ Table
Customer Frequently Asked Question | Professional On-site Engineer Reply |
Can GH3161(G) series parts fit 3NB-1600HL and Weatherford MP-16 pumps universally? | All GH3161(G) coded fastening and sealing parts adopt unified installation datum, universal compatible for both pump models without size modification. |
What is the difference between 1317791 and 1134293 valve pot cover seals? | 1317791 matches conventional pressure valve assembly; 1134293 is exclusive customized seal for injection valve pot structure, non-interchangeable mutually. |
Which spare parts need regular stock for JC18 drawworks routine maintenance? | Priority stock 24-inch ATD224 clutch disc, W27-07-900 friction disc and matched wiper seal gasket for regular wear replacement. |
What standard governs all supplied batch O-ring dimensional tolerance? | All rubber O-rings implement GB/T3452.1-2005 unified dimensional standard, matching original pump groove compression ratio completely. |
Why does NB800G piston rubber suffer rapid abrasion on 3NB-800F pump? | Unclean circulating mud impurity overload is the main cause; cooperate with filter screen cleaning and matched O-ring replacement to extend piston rubber service cycle. |
5. Professional Procurement Guidance & Technical Support Notice
This cross-model spare parts collection covers pneumatic control components, high-pressure sealing consumables, power end fastening parts, drawworks transmission accessories, lubrication system assemblies and piston wearable parts required for emergency repair, periodic overhaul and daily standby inventory of 3NB-800F, 3NB-1600HL, Weatherford MP-16, PZ-7 pumps and JC18 drawworks. We support model-grouped overhaul package procurement, single-component split procurement and site-condition customized spare parts combination service. Professional drilling equipment maintenance engineers provide free cross-model part matching, installation torque confirmation and fault troubleshooting technical consultation for all purchasers. All delivered spare parts are attached with complete industrial inspection reports, API compliance certificates and classified field operation guidelines. Drilling operation teams can select matched seals, fasteners and transmission wearable parts based on on-site medium abrasion degree, peak operating pressure and historical fault data, build scientific classified spare parts inventory to reduce economic loss caused by mismatched inferior aftermarket drilling equipment components.