Tungsten Carbide (Cemented Carbide) Parallel Threaded Bottom Inserts for Muleshoe MWD or Wear Parts for MWD/LWD Assemblies

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Tungsten Carbide (Cemented Carbide) Parallel Threaded Bottom Inserts for Muleshoe MWD or Wear Parts for MWD/LWD Assemblies

Price 15.0 USD ($)/ Unit

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MOQ : 10 Units

Tungsten Carbide (Cemented Carbide) Parallel Threaded Bottom Inserts for Muleshoe MWD or Wear Parts for MWD/LWD Assemblies Specification

Material
Tungsten Carbide

Hardness
HRA89-92.5

Usage
MWD/LWD Muleshoe Assemblies, Mud-Pulse Telemetry Systems, Directional Drilling Tools

Coating
uncoated

Size
OD 61.8mm, ID - various

Product Type

Color
shining

Width
1.5 Inch (in)

Length
81 Millimeter (mm)

Tungsten Carbide (Cemented Carbide) Parallel Threaded Bottom Inserts for Muleshoe MWD or Wear Parts for MWD/LWD Assemblies Trade Information

Minimum Order Quantity
10 Units

FOB Port
Shenzhen/Shanghai/Beijing

Supply Ability
300 Units Per Day

Delivery Time
20 Days

Sample Available
Yes

Sample Policy
Free samples available with shipping and taxes paid by the buyer

Packaging Details
Standard export carton / wooden case (customized packaging available upon request)

Main Export Market(s)
North America, South America, Western Europe

Certifications
ISO 9001:2015

About Tungsten Carbide (Cemented Carbide) Parallel Threaded Bottom Inserts for Muleshoe MWD or Wear Parts for MWD/LWD Assemblies

Product Overview

Our Parallel Threaded Bottom Sleeve is a precision-engineered wear component manufactured from premium tungsten carbide (cemented carbide), designed specifically for Muleshoe assemblies in Measurement-While-Drilling (MWD) and Logging-While-Drilling (LWD) downhole tools.

This bottom sleeve serves as the critical "Heart of the Signal" in the downhole tool string. Unlike standard tapered sleeves, it features a precision parallel thread design that enables accurate axial alignment and repeated assembly without damaging housing threads. It creates the precise pressure drop required for mud pulse telemetry signal generation, while simultaneously acting as a sacrificial wear shield to protect the expensive Muleshoe orientation sleeve from high-velocity mud erosion.

The Muleshoe is a specialized component in the bottom hole assembly (BHA) that helps orient and position downhole tools. Its angled profile (typically 40-55 degrees) guides the tool into proper alignment, while our tungsten carbide bottom sleeve protects its critical locating surfaces from erosion and wear.

Key Features

1) Parallel thread anti-washout design Prevents - thread washout failures common in tapered designs

2) Premium tungsten carbide construction Ultra-high hardness - (90.592.5 HRA) for exceptional wear resistance

3) O-ring sealing face - Provides positive seal against fluid bypass, ensuring signal integrity

4) Superior abrasion & erosion resistance - Slows bore growth and edge wear under abrasive drilling-fluid conditions

5) High strength & impact resistance - Maintains integrity under vibration and high-flow conditions

6) Precision dimensional control - Ground to OEM fit requirements for exact interchangeability

7) Extended service life - Significantly outlasts standard steel or ceramic-coated sleeves

8) Protection of expensive components - Sacrificial wear part reduces repair costs

Material Specifications Tungsten Carbide / Cemented Carbide

We offer specialized grades tailored to specific drilling mud conditions.

Grade	ISO Gade	Density (g/cm3)	Hardness (HRA)	TRS (KSI)
YG8	K30	14.7-14.9	89-90	350
YG11	K40	14.3-14.5	87.5-88.5	435
YL10.2	K30	14.4-14.6	91.5-92.5	520
WC-Ni	--	14.6-14.8	88.5-89.0	400

Recommendation YL10.2 for threaded sleeve applications; WC-Ni for corrosive environments.

Technical Specifications

Parameter	Specification
Type	Parallel Threaded Bottom Sleeve with O-ring Groove
Compatibility	Muleshoe Assemblies / MWD & LWD Tools / UBHO Subs
Material	Tungsten Carbide (Cemented Carbide) YL10.2 / YG8 / WC-Ni
Hardness	HRA89.0 92.5
Surface Finish	Polished to Ra 0.4
Pressure Rating	Compatible with tools rated up to 150 MPa / 21,750 PSI
HS Code	84139100

Available Sizes (Reference)

Outer Diameter (OD)	Inner Diameter (ID)	Length (L)
61.8 mm	28.65 mm	81 mm
61.8 mm	31.75 mm	81 mm
61.8 mm	33.27 mm	81 mm
61.8 mm	34.29 mm	81 mm
61.8 mm	35.56 mm	81 mm
61.8 mm	38.10 mm	81 mm
61.8 mm	40.64 mm	81 mm
61.8 mm	43.18 mm	81 mm

Custom sizes available. Please provide drawings for accurate fit.

Applications

MWD/LWD Muleshoe Assemblies - Protecting locating surfaces from abrasive wear
Mud-Pulse Telemetry Systems - Maintaining flow-path geometry for stable signals
Directional Drilling Tools - Wear protection in vibration-prone downhole service
UBHO (Universal Bottom Hole Orientation) Subs - Precision support in heavily loaded sections
Hydraulic Oscillators - Wear-resistant component in oscillation tools

Why Choose Our Bottom Sleeve?

"Heart of the Signal" Designed for Signal Integrity

Our bottom sleeve contributes to the precise pressure drop required for mud pulse telemetry. Its extreme wear resistance ensures the orifice diameter remains constant, preventing signal attenuation over long drilling hours.

Parallel Thread Anti-Washout Design

Prevents drilling fluid bypass and eliminates thread washout failures common in tapered designs. Allows repeated assembly/disassembly without damaging housing threads.

Superior Materials for Extended Service Life

Manufactured from high-grade tungsten carbide (cemented carbide) with hardness up to 92.5 HRA, delivering exceptional resistance to abrasion, erosion, and corrosion significantly outlasting steel or ceramic-coated sleeves in abrasive mud environments.

Precision Engineering & Component Protection

Precision-ground to OEM fit requirements. Serves as a sacrificial wear component, protecting expensive Muleshoe assemblies and reducing repair costs.

ISO 9001:2015 Certified Full material traceability

Installation & Maintenance Guidelines

Inspection - Inspect ID for wear every 100 circulating hours. Replace if enlargement exceeds 0.5mm.

O-ring replcement - Always replace O-ring during re-installation to ensure pressure integrity.

Torque caution - Tungsten carbide is brittle. Use calibrated torque wrench do not over-torque.

Thread Care - Clean threads thoroughly before installation to prevent galling.

Quality Assurance

1) ISO 9001:2015 Certified - Certified quality management system

2) Material Certificate - Material certificate availabe, full traceability

3) Dimensional Inspection - Precision measurement of all critical dimensions

4) Hardness Testing - Verification per grade specification

5) Surface Finish Inspection - Quality control of finished surfaces (Ra 0.4)

Ordering Information

To help us provide you with an accurate quotation, please specify the following when making an inquiry:

Product Type: Parallel Threaded Bottom Insert for Muleshoe MWD

Thread Specification: Parallel Thread Size and Pitch

Dimensions: OD, ID, Length, Thread Dimensions (please provide drawings or specifications)

Surface Treatment: Polished (Standard) / Precision-ground (Optional)

Quantity Required: (Minimum order: 10 pieces)

Destination Port: To calculate freight cost

Custom Requirements: Please provide drawings, samples, or functional requirements

Tip: Need help selecting the right grade or specification for your MWD/LWD tool? Contact our team we're happy to recommend based on your specific downhole conditions and tool design requirements.

Packaging & Shipping

Packaging: Standard export carton / wooden case (customized packaging available upon request)

Shipping: Worldwide delivery by express courier (DHL/FedEx/UPS), by air or by sea

Incoterms: EXW, FOB, CIF flexible terms available

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