1. Core Product Overview
This specialized spare parts catalog is exclusively engineered for Halliburton MWD 650 and DWD 650 directional drilling tools, the industry-leading measurement-while-drilling and directional-while-drilling equipment deployed in onshore, offshore, and directional drilling operations worldwide. Target users include directional drilling technicians, rig maintenance crews, oilfield service shops, drilling contractors, and asset managers who rely on uninterrupted MWD/DWD performance to maintain drilling accuracy and avoid costly downtime. The core purpose of this parts list is to supply precision-machined, OEM-matching replacement components that restore full functionality to Halliburton 650 series tools, extend service intervals, preserve downhole measurement accuracy, and uphold strict API (American Petroleum Institute) downhole tool standards for pressure resistance and wear durability.
Key Pain Points Addressed
- Costly Drilling Downtime: A single component failure in the Halliburton MWD/DWD 650 tool can halt directional drilling for 8+ hours, with average downtime costs exceeding $25,000 per day for active well sites
- Downhole Tool Failure Risks: Substandard aftermarket parts cause premature wear, fluid leaks, and misalignment, leading to catastrophic downhole tool loss and expensive retrieval operations
- Measurement Accuracy Degradation: Worn bearings, bushings, and flow components disrupt mud flow and sensor calibration, reducing directional drilling accuracy and increasing well deviation errors
- Shortened Service Life: Low-grade seals, rings, and bushings degrade quickly in high-pressure downhole environments, cutting tool service life by 40% and inflating long-term maintenance costs
2. Detailed Product & Technical Specifications
Functional Description
These parts support the critical mechanical and hydraulic functions of Halliburton MWD/DWD 650 tools, with key operational roles including:
- Supporting rotational stability and reducing friction via precision impeller bearings, upper/lower bearing bushings, and thrust bushings to maintain smooth mud flow and tool rotation
- Regulating downhole mud flow and pressure via flow rectifiers, flow diverters, poppet valves, and circulation pipe assemblies to preserve telemetry signal integrity
- Sealing downhole components against high-pressure drilling mud with high-performance O-rings, rubber-metal gaskets, and sealing rings to prevent fluid intrusion and tool damage
- Maintaining structural integrity and alignment via centralizers, thrust rings, lock washers, and replacement bushings for consistent downhole performance
- Housing internal components and absorbing downhole vibration via pump housings, pulsator housings, and anti-wear bushing assemblies
Structural Characteristics
Halliburton MWD/DWD 650 spare parts feature engineered structural design for extreme downhole durability:
- Bearing & Bushing Assemblies: Hardened steel precision-machined bearings and bushings with self-lubricating properties, supporting 15,000 PSI downhole pressure and 300+ hour service intervals
- Sealing Components: High-temperature fluorocarbon O-rings and rubber-metal gaskets resistant to drilling mud, oil, and extreme heat, eliminating leaks in harsh downhole conditions
- Flow & Circulation Parts: Precision-cast flow rectifiers and diverters with balanced hydraulic profiles, ensuring stable mud pulse telemetry and consistent drilling data transmission
- Structural Housings: Heavy-duty alloy pump and pulsator housings with vibration-dampening properties, protecting internal electronics and mechanical components
- Rotor & Stator Components: Precision-machined 35° rotor and 27° stator assemblies with lobe-specific design, maintaining optimal mud flow and power transfer
Applicable Operating Conditions
These Halliburton MWD/DWD 650 spare parts perform reliably in extreme drilling environments:
- Onshore directional drilling, horizontal drilling, and shale well operations
- Offshore platform and jack-up rig directional drilling projects
- High-pressure, high-temperature (HPHT) downhole drilling environments
- Abrasive mud, oil-based mud, and water-based mud drilling conditions
- Operating temperature range: -4°F (-20°C) to 302°F (150°C)
- Downhole pressure rating: Up to 15,000 PSI
- Fully compatible with Halliburton MWD 650 and DWD 650 tool configurations
Maintenance & Service Recommendations
Follow these industry-standard protocols to maximize Halliburton MWD/DWD 650 component life and prevent downhole failures:
- Pre-Deployment Inspection: Inspect all bearings, bushings, and seals before each downhole run; check for wear, cracks, or deformation to prevent mid-run failures
- Seal Replacement Schedule: Replace all O-rings, gaskets, and sealing rings after every 3 downhole runs (approximately 200 operating hours) to prevent mud intrusion
- Wear Component Replacement: Replace bearings, bushings, and thrust rings after every 5 downhole runs (approximately 300 operating hours) or at the first sign of friction or misalignment
- Cleaning Protocol: Flush all flow components (rectifiers, diverters, valves) with high-pressure water after each run to remove mud deposits and debris
- Storage Guidelines: Store spare parts in a climate-controlled, dust-free environment; coat metal components with anti-corrosion lubricant to prevent oxidation during storage
We supply the following spare parts:
| № | Code | Part name |
| 1 | 770000487213 | Halliburton Impeller Bearing/120156093 Technical offer SDS-390322 |
| 2 | 770000487213 | Halliburton Impeller Bearing/120156093 Technical offer SDS-390322 |
| 3 | 770000487268 | MWD-650 Halliburton Bushing/120167035 Technical Offer SDS-390322 |
| 4 | 770000488184 | Halliburton upper bearing bushing / 120167002 Technical offer SDS-390322 |
| 5 | 770000488184 | Halliburton upper bearing bushing / 120167002 Technical offer SDS-390322 |
| 6 | 770000488172 | Halliburton cone bushing/120142214 Technical offer SDS-390322 |
| 7 | 770000488172 | Halliburton cone bushing/120142214 Technical offer SDS-390322 |
| 8 | 770000487248 | Halliburton Lower bearing bushing / 120166898 Technical offer SDS-390322 |
| 9 | 770000487248 | Halliburton Lower bearing bushing / 120166898 Technical offer SDS-390322 |
| 10 | 770000488869 | Halliburton bushing / 120155707 Technical offer SDS-390322 |
| 11 | 770000488869 | Halliburton bushing / 120155707 Technical offer SDS-390322 |
| 12 | 770000487240 | DWD Flow Rectifier (650) Halliburton / 120152593 Technical Proposal SDS-390322 |
| 13 | 770000487240 | DWD Flow Rectifier (650) Halliburton / 120152593 Technical Proposal SDS-390322 |
| 14 | 770000487275 | Circulation pipe Head assembly Halliburton/120156351 Technical Proposal SDS-390322 |
| 15 | 770000488185 | Halliburton Diaphragm holder/120156069 Technical Offer SDS-390322 |
| 16 | 770000501847 | Aperture 1.775 ” Halliburton/120155868 Technical Offer SDS-390322 |
| 17 | 770000487249 | Halliburton valve (popet) / 120163966 Technical proposal SDS-390322 |
| 18 | 770000487214 | Lower ring assembly Halliburton / 120152201 Technical offer SDS-390322 |
| 19 | 770000487214 | Lower ring assembly Halliburton / 120152201 Technical offer SDS-390322 |
| 20 | 770000488266 | Halliburton Stator thrust Bushing Kit/120152408 Technical Offer SDS-390322 |
| 21 | 770000488266 | Halliburton Stator thrust Bushing Kit/120152408 Technical Offer SDS-390322 |
| 22 | 770000487455 | External pump housing Halliburton / 120154725 Technical offer SDS-390322 |
| 23 | 770000487386 | Halliburton intermediate pulsator housing / 120176426 Technical proposal SDS-390322 |
| 24 | 770000487457 | Halliburton pulsator housing / 120154715 Technical offer SDS-390322 |
| 25 | 770000487212 | O-ring 020 Halliburton / 120165755 Technical offer SDS-390322 |
| 26 | 770000487203 | O-ring 030 Halliburton/120155660 Technical offer SDS-390322 |
| 27 | 770000487206 | O-ring 032 Halliburton / 120155661 Technical offer SDS-390322 |
| 28 | 770000487453 | O-ring 033 Halliburton / 120155704 Technical offer SDS-390322 |
| 29 | 770000501859 | Halliburton O-ring / 120152720 Technical offer SDS-390322 |
| 30 | 770000501859 | Halliburton O-ring / 120152720 Technical offer SDS-390322 |
| 31 | 770000487198 | O-ring 125 Halliburton / 120156521 Technical offer SDS-390322 |
| 32 | 770000487252 | Halliburton Support Pipe Tip/120152347 Technical Proposal SDS-390322 |
| 33 | 770000487252 | Halliburton Support Pipe Tip/120152347 Technical Proposal SDS-390322 |
| 34 | 770000488864 | Flow diverter MWD650 Halliburton/120167036 Technical Proposal SDS-390322 |
| 35 | 770000488575 | Rubber metal gasket Halliburton / 120157023 Technical offer SDS-390322 |
| 36 | 770000488575 | Rubber metal gasket Halliburton / 120157023 Technical offer SDS-390322 |
| 37 | 770000487246 | Rotor 35 deg.( with center lobes) Halliburton / 120167037 Technical proposal SDS-390322 |
| 38 | 770000487246 | Rotor 35 deg.( with center lobes) Halliburton / 120167037 Technical proposal SDS-390322 |
| 39 | 770000487454 | Plastic bracket Halliburton/120160346 Technical offer SDS-390322 |
| 40 | 770000487236 | Halliburton replacement bushing/120156057 Technical offer SDS-390322 |
| 41 | 770000487236 | Halliburton replacement bushing/120156057 Technical offer SDS-390322 |
| 42 | 770000487232 | Replacement bushing No. 1 Halliburton / 120156327 Technical offer SDS-390322 |
| 43 | 770000487232 | Replacement bushing No. 1 Halliburton / 120156327 Technical offer SDS-390322 |
| 44 | 770000487234 | Replacement bushing No. 2 Halliburton / 120167031 Technical offer SDS-390322 |
| 45 | 770000487234 | Replacement bushing No. 2 Halliburton / 120167031 Technical offer SDS-390322 |
| 46 | 770000487235 | Replacement bushing No. 3 Halliburton / 120156328 Technical offer SDS-390322 |
| 47 | 770000487235 | Replacement bushing No. 3 Halliburton / 120156328 Technical offer SDS-390322 |
| 48 | 770000487237 | Stator 27 deg. with Halliburton rim/120167098 Technical Offer SDS-390322 |
| 49 | 770000487215 | Anti-wear bushing stop assembly Halliburton / 120156317 Technical offer SDS-390322 |
| 50 | 770000503954 | Halliburton thrust ring/120154706 Technical offer SDS-390322 |
| 51 | 770000503954 | Halliburton thrust ring/120154706 Technical offer SDS-390322 |
| 52 | 770000488177 | Halliburton lock washer / 264022 Technical offer SDS-390322 |
| 53 | 770000488177 | Halliburton lock washer / 264022 Technical offer SDS-390322 |
| 54 | 770000487256 | Orientation device (complete) Halliburton / 120156263 Technical proposal SDS-390322 |
| 55 | 770000488234 | Centralizer 3 ” 000 Halliburton/120156245 Technical offer SDS-390322 |
| 56 | 770000488234 | Centralizer 3 ” 000 Halliburton/120156245 Technical offer SDS-390322 |
| 57 | 770000487213 | Halliburton Impeller Bearing/120156093 Technical offer SDS-390322 |
| 58 | 770000487213 | Halliburton Impeller Bearing/120156093 Technical offer SDS-390322 |
| 59 | 770000488216 | Halliburton Lower ring shock absorber/120152204 Technical Offer SDS-390322 |
| 60 | 770000488216 | Halliburton Lower ring shock absorber/120152204 Technical Offer SDS-390322 |
| 61 | 770000487268 | MWD-650 Halliburton Bushing/120167035 Technical Offer SDS-390322 |
| 62 | 770000487268 | MWD-650 Halliburton Bushing/120167035 Technical Offer SDS-390322 |
| 63 | 770000488184 | Halliburton upper bearing bushing / 120167002 Technical offer SDS-390322 |
| 64 | 770000488172 | Halliburton cone bushing/120142214 Technical offer SDS-390322 |
| 65 | 770000488172 | Halliburton cone bushing/120142214 Technical offer SDS-390322 |
| 66 | 770000487248 | Halliburton Lower bearing bushing / 120166898 Technical offer SDS-390322 |
| 67 | 770000487248 | Halliburton Lower bearing bushing / 120166898 Technical offer SDS-390322 |
| 68 | 770000488869 | Halliburton bushing / 120155707 Technical offer SDS-390322 |
| 69 | 770000487240 | DWD Flow Rectifier (650) Halliburton / 120152593 Technical Proposal SDS-390322 |
| 70 | 770000487275 | Circulation pipe Head assembly Halliburton/120156351 Technical Proposal SDS-390322 |
| 71 | 770000487275 | Circulation pipe Head assembly Halliburton/120156351 Technical Proposal SDS-390322 |
| 72 | 770000488185 | Halliburton Diaphragm holder/120156069 Technical Offer SDS-390322 |
| 73 | 770000501847 | Aperture 1.775 ” Halliburton/120155868 Technical Offer SDS-390322 |
| 74 | 770000487249 | Halliburton valve (popet) / 120163966 Technical proposal SDS-390322 |
| 75 | 770000487249 | Halliburton valve (popet) / 120163966 Technical proposal SDS-390322 |
| 76 | 770000487214 | Lower ring assembly Halliburton / 120152201 Technical offer SDS-390322 |
| 77 | 770000488266 | Halliburton Stator thrust Bushing Kit/120152408 Technical Offer SDS-390322 |
| 78 | 770000488266 | Halliburton Stator thrust Bushing Kit/120152408 Technical Offer SDS-390322 |
| 79 | 770000487455 | External pump housing Halliburton / 120154725 Technical offer SDS-390322 |
| 80 | 770000487457 | Halliburton pulsator housing / 120154715 Technical offer SDS-390322 |
| 81 | 770000487271 | MWD-650 Halliburton Circulation pipe body/120156318 Technical offer SDS-390322 |
| 82 | 770000487212 | O-ring 020 Halliburton / 120165755 Technical offer SDS-390322 |
| 83 | 770000487203 | O-ring 030 Halliburton/120155660 Technical offer SDS-390322 |
| 84 | 770000501859 | Halliburton O-ring / 120152720 Technical offer SDS-390322 |
| 85 | 770000501859 | Halliburton O-ring / 120152720 Technical offer SDS-390322 |
| 86 | 770000487211 | O-ring 141 Halliburton / 120155663 Technical offer SDS-390322 |
| 87 | 770000487252 | Halliburton Support Pipe Tip/120152347 Technical Proposal SDS-390322 |
| 88 | 770000488864 | Flow diverter MWD650 Halliburton/120167036 Technical Proposal SDS-390322 |
| 89 | 770000488575 | Rubber metal gasket Halliburton / 120157023 Technical offer SDS-390322 |
| 90 | 770000488575 | Rubber metal gasket Halliburton / 120157023 Technical offer SDS-390322 |
| 91 | 770000487459 | External pulsator connector Halliburton/120158187 Technical offer SDS-390322 |
| 92 | 770000487459 | External pulsator connector Halliburton/120158187 Technical offer SDS-390322 |
| 93 | 770000487246 | Rotor 35 deg.( with center lobes) Halliburton / 120167037 Technical proposal SDS-390322 |
| 94 | 770000487246 | Rotor 35 deg.( with center lobes) Halliburton / 120167037 Technical proposal SDS-390322 |
| 95 | 770000487454 | Plastic bracket Halliburton/120160346 Technical offer SDS-390322 |
| 96 | 770000487454 | Plastic bracket Halliburton/120160346 Technical offer SDS-390322 |
| 97 | 770000487232 | Replacement bushing No. 1 Halliburton / 120156327 Technical offer SDS-390322 |
| 98 | 770000487232 | Replacement bushing No. 1 Halliburton / 120156327 Technical offer SDS-390322 |
| 99 | 770000487234 | Replacement bushing No. 2 Halliburton / 120167031 Technical offer SDS-390322 |
| 100 | 770000487234 | Replacement bushing No. 2 Halliburton / 120167031 Technical offer SDS-390322 |
| 101 | 770000487235 | Replacement bushing No. 3 Halliburton / 120156328 Technical offer SDS-390322 |
| 102 | 770000487235 | Replacement bushing No. 3 Halliburton / 120156328 Technical offer SDS-390322 |
| 103 | 770000487237 | Stator 27 deg. with Halliburton rim/120167098 Technical Offer SDS-390322 |
| 104 | 770000487215 | Anti-wear bushing stop assembly Halliburton / 120156317 Technical offer SDS-390322 |
| 105 | 770000503954 | Halliburton thrust ring/120154706 Technical offer SDS-390322 |
| 106 | 770000503954 | Halliburton thrust ring/120154706 Technical offer SDS-390322 |
| 107 | 770000488177 | Halliburton lock washer / 264022 Technical offer SDS-390322 |
| 108 | 770000488177 | Halliburton lock washer / 264022 Technical offer SDS-390322 |
| 109 | 770000488234 | Centralizer 3 ” 000 Halliburton/120156245 Technical offer SDS-390322 |
| 110 | 770000488234 | Centralizer 3 ” 000 Halliburton/120156245 Technical offer SDS-390322 |
3. Field Failure Repair Cases (Halliburton MWD/DWD 650)
Case 1: Worn Impeller Bearing Causing Telemetry Loss
A directional drilling rig experienced intermittent mud pulse telemetry loss with the Halliburton MWD 650 tool, disrupting real-time well data. Inspection revealed a worn 770000487213 impeller bearing that caused unstable mud flow. Replacing the bearing restored consistent telemetry signals and resumed drilling operations within 90 minutes.
Case 2: Mud Leak From Failed O-Ring Seals
During an offshore drilling run, the Halliburton DWD 650 tool developed internal mud leaks, risking electronic component damage. Technicians identified degraded 770000487212 O-rings that failed under high pressure. Replacing the O-ring seals eliminated leaks and protected the tool’s internal electronics.
Case 3: Worn Bushing Causing Flow Irregularity
A land drilling crew reported unstable mud pressure and inaccurate directional readings from the MWD 650 tool. The issue was a worn 770000488184 upper bearing bushing that disrupted flow alignment. Installing a new bushing stabilized mud pressure and restored full measurement accuracy.
4. Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts fully compatible with Halliburton MWD 650 and DWD 650 tools? | Yes, every part is machined to Halliburton OEM specifications for direct drop-in fitment on both MWD 650 and DWD 650 series directional drilling tools, with no modifications required. |
| What is the typical downhole service life of these spare parts? | With proper maintenance, bearings, bushings, and structural components last 300–400 operating hours; O-rings, gaskets, and seals have a service life of 200–250 operating hours in HPHT conditions. |
| Can these parts be used for emergency field repairs on the rig? | Absolutely, these components are designed for quick field installation by certified directional drilling technicians, making them ideal for emergency breakdowns to minimize costly drilling downtime. |
5. Procurement Guidance & Call to Action
This Halliburton MWD/DWD 650 series spare parts list serves as a definitive reference for both planned preventive maintenance stocking and urgent field repairs. All components are manufactured to meet strict Halliburton OEM standards and API downhole tool requirements, ensuring reliable performance, reduced long-term maintenance costs, and uncompromised accuracy for your directional drilling operations. Whether you’re restocking critical wear parts, addressing a sudden tool failure, or completing a full tool overhaul, these OEM-equivalent components deliver consistent fit and performance to keep your Halliburton 650 series tools operating at peak efficiency.
Secure your supply of Halliburton MWD/DWD 650 spare parts today to maintain drilling operational readiness, avoid costly downtime, and protect your downhole tool investment. Reference the listed part codes for accurate ordering, and use the technical details provided to streamline repair planning and inventory management for your directional drilling fleet.
