1. Product Overview & Core Field Value
1.1 Matched Equipment & Target User Demands
This complete spare parts portfolio is professionally engineered for NOV VARCO TDS-11SA top drive drilling systems, OMFB series industrial hydraulic pumps and Murphy industrial pressure and temperature monitoring instruments. It precisely serves drilling contractors, on-site rig maintenance teams and petroleum equipment overhaul specialists, solving common field pain points including top drive flushing pipe leakage, BOP control failure, hydraulic pump power attenuation, instrument data drift and pneumatic control system aging faults. Covering daily routine maintenance, periodic overhaul and emergency breakdown replacement scenarios, these parts deliver one-to-one original standard matching to eliminate equipment shutdown risks caused by mismatched or low-performance generic accessories.
1.2 Authoritative Compliance & Exclusive Performance Data
All products comply with API Spec 7 drilling equipment standards and ISO 4413 hydraulic system specifications, meeting global oilfield hazardous area operation requirements. Verified by long-term field tracking data, Murphy gauge assemblies maintain zero data drift after 4000 hours of continuous vibration exposure; OMFB hydraulic pump core components sustain stable pressure output after 3500 hours of cyclic operation; VARCO TDS-11SA sealing and electrical accessories keep intact working performance under 12000PSI cyclic pressure impact. Every batch undergoes strict hydraulic testing, vibration aging screening and dimensional tolerance inspection to guarantee consistent field adaptability and operational stability.
2. Product Introduction & Functional Description
2.1 Full Product Coverage
The product lineup includes three core categories: VARCO TDS-11SA top drive accessories covering flushing pipe assemblies, IBOP accumulator capsules, BOP drive cylinders, encoder components, switch sets, cable glands and back clamp centralizers; OMFB hydraulic equipment parts encompassing PM20 hand pumps, NPH-73 gear pumps, 2PAK80 straight shaft pumps and MDS130 piston pumps; Murphy monitoring equipment including blowdown valve seal repair kits, EL150K1 level gauges and multi-range pressure gauges and thermometers. It also contains supporting hydraulic hose kits, latch kits, lubrication system kits and SPM high-pressure pipeline repair accessories for full-system matching.
2.2 Core Operational Functions
VARCO top drive accessories stabilize drilling mechanical transmission, hydraulic control and electrical signal output, ensuring precise wellbore trajectory control and reliable blowout prevention. OMFB hydraulic pump parts provide stable power support for top drive hydraulic actuators, avoiding insufficient power and slow response during heavy-load operation. Murphy precision instruments realize real-time and accurate monitoring of pipeline pressure, medium temperature and liquid level, providing reliable data basis for field operation adjustment and early fault warning. All supporting repair kits and wearing parts effectively solve aging, wear and leakage problems of vulnerable components, extending the overall service cycle of drilling equipment.
3. Structural Features & Applicable Working Conditions
3.1 Unique Structural Advantages
Top drive sealing components adopt multi-lip composite anti-corrosion structure, resisting mud erosion and high-pressure medium impact. OMFB hydraulic pumps adopt integrated straight shaft and inclined shaft design with low internal friction and high volumetric efficiency. Murphy instrument cores use precision pressure sensing elements with stable mechanical structure and strong anti-vibration interference capability. Electrical switch parts and cable glands adopt explosion-proof and dust-proof optimized structure, adapting to long-term outdoor harsh environment exposure. All assembly kits follow original installation tolerance standards for seamless assembly without on-site modification.
3.2 Applicable Working Scenarios
This series of spare parts adapts to onshore conventional oil and gas drilling, deep well high-pressure drilling and offshore platform drilling operations. It can work stably in ambient temperatures ranging from -38℃ to 68℃, resisting high salt fog, high humidity and mud corrosion. It fully meets 24-hour continuous cyclic operation demands of NOV VARCO TDS-11SA top drive systems and supporting hydraulic power units, serving as standard matching accessories for medium and large drilling rig operation and maintenance.
4. Professional Field Maintenance Suggestions
Summarized from senior oilfield maintenance engineer practical experience, standardized maintenance operations can maximize equipment stability: Replace top drive flushing pipe packing and O-ring accessories every 700 working hours to prevent micro leakage caused by aging; calibrate Murphy pressure and temperature gauges every 300 hours to ensure monitoring accuracy; check OMFB hydraulic pump oil seal wear and pipeline tightness monthly to avoid pressure loss; inspect top drive switch and cable gland fastening status before each drilling shift. Avoid over-tightening threaded joints during installation to prevent thread deformation; replace accumulator capsules in pairs to balance system pressure; clean lubrication system passages regularly to reduce component wear.
We supply the following spare parts:
Murphy blowdown valve seal repair kit 55-00-0241
Murphy Level Gauge EL150K1
Murphy A20P-OS-150 Pressure Gauge
Murphy A20P-OS-400 Pressure Gauge
Murphy A20T-OS-250-25-1/2 Thermometer
Murphy pressure gauge A20P-OS-150
Murphy pressure gauge A20P-OS-400
Murphy pressure gauge A20P-OS-600
Murphy Pressure Gauge A20P-OS-6000
Murphy Thermometer A20T-OS-250-25-1/2
OMFB hydraulic hand pump PM20
OMFB oil pump NPH-73 NPLH-32
OMFB Straight Shaft Pump Model 2PAK80-ISO
OMFB gear pump
OMFB Gear Pump LTMH-112 (105-033-21129)
OMFB Hand Pump Model: 2PAK80-R50
OMFB Piston Pump MDS 130
OMFB four-hole inclined shaft pump HDS 47
Faucet accessories VARCO top drive flush tube packing 30087708-44
Pneumatic winch and accessories TDS-11SA-2W light bulb
Faucet accessories VARCO ZJ-45J flushing pipe packing assembly
Faucet accessories VARCO ZJ-45J faucet flush tube
Drilling rig top drive accessories TDS-11SA CV4 controllable check valve 94537-BON
Rig top drive accessories TDS-11SA IBOP accumulator capsule 110564-1
Drilling rig top drive accessories TDS-11SA gear oil sensor switch 87541-1
Drilling rig top drive accessories TDS-11SA BOP drive cylinder 120557
Drilling rig top drive accessories VARCO 11SA extension line 58872P290180
Drill top drive accessories VARCO 11SA O-ring 51300-385-F
Rig top drive accessories VARCO 11SA PER3 board 116199-22
Drilling rig top drive accessories VARCO 11SA VDC indicator light 30087708-38
Drill top drive accessories VARCO 11SA push button switch 30087708-02
Rig top drive accessories VARCO 11SA bulb 30087708-44
Drill top drive accessories VARCO 11SA cable gland 83444-06
Rig Top Drive Accessories VARCO 11SA Guard 3/4” 55914-12
Drilling rig top drive accessories VARCO 11SA two-position switch 30087708-26
Drilling Rig Top Drive Accessories VARCO 11SA Torque Meter TORQUE, 96219-11
Drilling rig top drive accessories VARCO 11SA three-position switch 30087708-30
Drilling rig top drive accessories VARCO 11SA three-position switch 30087708-33
Drilling rig top drive accessories VARCO 11SA three-position switch 30087708-36
Drill top drive accessories VARCO 11SA cable gland 114869-SB-RED
Drill top drive accessories VARCO 11SA cable gland 114869-SB-WHITE
Rig top drive accessories VARCO 11SA cable gland 114869-SB-BLACK
Rig top drive accessories VARCO 11SA back clamp centralizer 30158690
Drilling rig top drive accessories VARCO balance cylinder 110703
Rig top drive accessories VARCO system accumulator 110563-1
Drilling rig top drive accessories VARCO piston ring PISTONRING117826
Drilling rig top drive accessories VARCO top drive tachometer 96218-3
Faucet accessories ZJ-45J flushing spring VARCO
Drilling rig top drive accessories VARCO top drive BOP drive arm 98898
Drilling rig top drive accessories VARCO top drive UV1 valve 107028-1ANB
Rig top drive accessories VARCO top drive encoder 115299
Drilling rig top drive accessories VARCO top drive flush pipe grease nipple 53219-1
Drilling rig top drive accessories VARCO top drive hand pump 97507-1
Drilling rig top drive accessories VARCO sliding sleeve 119358
Drill top drive accessories VARCO circlip 30117775
Drill top drive accessories VARCO rotary head seal 30119143
Drilling rig top drive accessories VARCO oil seal 30119357
Drill top drive accessories VARCO roller CAM FOLLOWER 71847
Drilling rig top drive accessories VARCO 11SA encoder belt 120117 American NOV company
Drilling rig top drive accessories VARCO 11SA dust seal 119547 American NOV company
Drilling rig top drive accessories VARCO 11SA joint 83444-04 American NOV company
Drilling rig top drive accessories VARCO composite seal 98291
AY10861 Basic bracket
AY10860 board
AY11451 Gearbox and spindle assembly
AY12480 Spindle Mounting Kit
H16-8001-010 Hose and Fitting Kit
M20-1030-010 Latch Kit
AY11701 Top drive 0-ring bag
AY10189 Gearbox assembly
AY10118 Spring buffer assembly
AY10120 Torque Booster Package
AY10133 Rotary head valve body assembly
M23-1005-010 Rotary head valve body repair kit
AY10024 Bearing installation package
M20-1031-010 Tooling Package
AY11640 Lubrication System Kit
SC10043 Lubrication System Diagram
AY11450 Motor assembly
AY10017 Lifting ring tilting assembly
AY10097 Lifting Ring Tilt Mounting Kit
AY11925 Center cover assembly
AY11240 Back clamp assembly
AY10094 Back Clamp Mounting Kit
AY10392-1 Rotary head locking assembly
AY10095 Motor and Main Gearbox Mounting Kit
AY10117 Cover plate assembly
AY10032 Air duct assembly
AY10965-1 Protective frame assembly
1050E-712 Mount 686-18-0
1050E-712 Grease nipple 1/8”NPT,*⑴
Top Drive Indicator 4017AC-122
AY50517 Sensor Liner Displacement 450 STRK
N10298 Pressure Transducer
N10401 Barrier POT Conerter 4-20MA
E12367 Coil Dir VLV(for Valve section tong torque)
E13530 Fuse 2A 250V 5X20mm
SPM Elbow Repair Kit 4L17660
SPM Elbow Repair Kit 4L1726
2FIG1520MX5000PSI
5. On-Site Field Maintenance Cases
Case 1: Offshore Platform Top Drive Flushing Leakage Fault
Location: South China Sea Offshore Drilling Platform; Equipment Model: VARCO TDS-11SA Top Drive; Working Load: 270-ton continuous drilling load; Fault Data: Aging flushing pipe packing caused medium leakage under 9000PSI working pressure; Repair Plan: Replace 30087708-44 standard faucet packing accessory; Restoration Index: Zero leakage after 12000PSI pressure holding test, stable flushing flow; Customer Feedback: Eliminated environmental pollution risk and reduced daily fluid loss.
Case 2: Onshore Deep Well Hydraulic Pump Power Insufficiency Fault
Location: Tarim Deep Well Drilling Site; Equipment Model: OMFB PM20 Hand Pump Supporting System; Working Load: 310-ton heavy-load operation; Fault Data: Internal seal wear caused 4MPa system pressure loss; Repair Plan: Replace matched hydraulic seal and wearing parts; Restoration Index: System pressure fully recovered to rated value, actuator response speed improved significantly; Customer Feedback: Solved slow hydraulic action fault and improved drilling efficiency.
Case 3: Sichuan Oilfield Instrument Data Deviation Fault
Location: Sichuan Onshore Oil and Gas Drilling Site; Equipment Model: Murphy A20P-OS-400 Pressure Gauge; Working Load: Stable 6000PSI pipeline pressure; Fault Data: Long-term vibration caused 0.8MPa real-time data deviation; Repair Plan: Replace original calibrated pressure gauge assembly; Restoration Index: Data error controlled within 0.1MPa, real-time monitoring accurate and stable; Customer Feedback: Realized precise pressure adjustment and avoided overpressure operation risk.
Case 4: Ordos Top Drive Electrical Signal Interruption Fault
Location: Ordos Shale Gas Drilling Site; Equipment Model: VARCO TDS-11SA Top Drive; Working Load: 250-ton conventional drilling load; Fault Data: Aging cable gland caused intermittent signal interruption; Repair Plan: Replace 83444-06 explosion-proof cable gland; Restoration Index: Continuous signal transmission for 600 hours without failure, stable electrical system operation; Customer Feedback: Eliminated unplanned shutdown faults and improved operational continuity.
6. Product FAQ
Question | Professional Answer |
Are VARCO TDS-11SA accessories universally compatible with old and new rig models? | All accessories adopt unified original dimensional and interface standards, achieving full compatibility with all versions of TDS-11SA top drive systems for direct plug-and-play replacement without field modification. |
What is the maximum working pressure of Murphy A20P series pressure gauges? | A20P series gauges include 150PSI, 400PSI, 600PSI and 6000PSI range models, all passing 1.5 times rated pressure withstand test for oilfield high-pressure working conditions. |
What scenarios apply to OMFB different types of hydraulic pumps? | Hand pumps suit manual emergency hydraulic operation, gear pumps adapt to low-pressure continuous oil supply, and piston pumps are used for high-pressure power output of top drive hydraulic systems. |
How long is the service cycle of top drive flushing pipe accessories? | Under standard drilling working conditions, the packing and sealing assemblies maintain stable performance for 700–900 working hours, effectively resisting mud erosion and high-pressure impact. |
Do these parts meet offshore salt fog anti-corrosion requirements? | All metal parts adopt anti-corrosion treatment, and sealing and electrical accessories have salt fog resistance, fully adapting to offshore platform harsh working environments. |
7. Technical & Procurement Reference Guidance
This full range of VARCO top drive, OMFB hydraulic and Murphy instrument spare parts strictly follows API and ISO industrial manufacturing specifications, with complete performance test reports and dimensional inspection data, providing standardized procurement screening standards and professional technical maintenance references for oilfield enterprises. Each product is optimized targeting common field faults, effectively solving equipment leakage, power insufficiency, data deviation and signal instability problems. With reliable structural durability and harsh environment adaptability, these accessories reduce equipment failure frequency and maintenance costs. Users can select matching products according to equipment model, working medium and operating load to realize standardized and refined drilling equipment management and ensure long-term stable operation of on-site equipment.