Product Overview
The Bull Nose Wash Tool is the most widely used downhole washing nozzle for coiled tubing well intervention operations. Its smooth rounded bull nose front end delivers outstanding passage capacity, allowing the tool string to easily navigate through wellbore shoulders, nipple sections and internal restrictions without getting stuck.
This wash tool supports fully customizable nozzle port configurations. Operators can freely adjust the quantity, direction and size of jet ports to match specific downhole construction requirements. Multiple standard port layouts are available including single downward port, multiple downward ports, multiple side ports and multiple back ports to satisfy different sand washing, wellbore cleanout and scale removal treatment standards.
Two complete service grades are provided to adapt diverse reservoir environments: STD standard grade for conventional sweet oil wells without hydrogen sulfide corrosive media; H₂S sour service grade manufactured with sulfur-resistant alloy to adapt high-H₂S corrosive sour gas well downhole working conditions.
The standardized product lineup covers outer diameter sizes ranging from 1-1/2" to 3-1/8", with matched overall make-up length and interchangeable nozzle port specifications, equipped with standard AMMT and PAC bottom connection threads for universal compatibility with mainstream coiled tubing connectors and well cleanout downhole service tools. Custom nozzle port layout, jet hole size, outer diameter and anti-sulfur passivation coatings are available upon customer technical drawing submission.
Complete Technical Specification Table
| PN Part Number | Outer Diameter OD | Make-Up Length | Nozzle Configuration | Working Condition Grade | Bottom Connection Thread |
|---|---|---|---|---|---|
| L2011500120 | 1-1/2" | 4.8" | Single Port | STD Standard | 1" AMMT |
| L2011690120 | 1-11/16" | 4.9" | Multiple Down | STD Standard | 1" AMMT |
| L2012000120 | 2" | 6" | Multiple Side | STD Standard | 1-1/2"AMMT |
| L2012125120 | 2-1/8" | 6" | Multiple Back | STD Standard | 1-1/2"AMMT |
| L2012875120 | 2-7/8" | 7" | Customizable | STD Standard | 2-3/8" PAC |
| L2013125120 | 3-1/8" | 7.5" | Customizable | STD Standard | 2-3/8" PAC |
| L2011500320 | 1-1/2" | 4.8" | Single Port | H₂S Sour Service | 1" AMMT |
| L2011690320 | 1-11/16" | 4.9" | Multiple Down | H₂S Sour Service | 1" AMMT |
| L2012000320 | 2" | 6" | Multiple Side | H₂S Sour Service | 1-1/2"AMMT |
| L2012125320 | 2-1/8" | 6" | Multiple Back | H₂S Sour Service | 1-1/2"AMMT |
| L2012875320 | 2-7/8" | 7" | Customizable | H₂S Sour Service | 2-3/8" PAC |
| L2013125320 | 3-1/8" | 7.5" | Customizable | H₂S Sour Service | 2-3/8" PAC |
Note: Custom nozzle port layout, jet hole size, outer diameter, anti-sulfur passivation coatings and non-standard length bull nose wash tools are available via engineering consultation.
Core Features & Advantages
Smooth Rounded Bull Nose Front Design: The streamlined bull nose profile eliminates sharp edges, ensuring excellent passing performance when the coiled tubing tool string travels through wellbore shoulders, nipple sections and internal constrictions, effectively reducing stuck tool risks.
Fully Customizable Nozzle Port Configurations: Multiple standard jet port layouts are optional, including single downward port, multiple downward ports, multiple side ports and multiple back ports. The number, jet direction and hole size of ports can be tailor-made to match unique downhole washing operation requirements.
Dual Working Condition Grade Configuration: STD standard version applies to conventional sweet oilfield non-corrosive working environments; H₂S sour service version adopts sulfur-resistant alloy base material and professional anti-sulfur passivation coating to resist hydrogen sulfide corrosion in harsh sour gas well conditions.
Full Outer Diameter Size Compatibility: Standard product series covers 1-1/2", 1-11/16", 2", 2-1/8", 2-7/8" and 3-1/8" outer diameter specifications, fully compatible with global mainstream medium-size coiled tubing assemblies for all sand washing and well cleanout intervention demands.
Simple External Thread Connection Structure: Straightforward bottom external thread design enables fast on-site installation and disassembly on coiled tubing bottom-hole assemblies, significantly improving wellsite tool string assembly efficiency and cutting field operation time.
Precision CNC High-Strength Alloy Manufacturing: Adopts precision CNC machining integral tool body, featuring outstanding erosion resistance, high-pressure jet abrasion resistance and structural stability, extending long-term continuous downhole washing service life.
Multi-dimensional Customizable Technical Parameters: Supports customized nozzle port layout, jet hole inner diameter, outer diameter, bottom thread specification and anti-corrosion surface passivation coatings to satisfy personalized coiled tubing well cleanout downhole operation requirements.
Application Scenarios
1. Coiled tubing sand washing, wellbore cleanout, downhole scale removal and paraffin cutting low-tension downhole intervention treatments requiring high-pass washing nozzle tools
2. Conventional sweet crude oil well coiled tubing well cleanout and sand flushing service (STD standard service grade)
3. High-H₂S sour gas well corrosive environment coiled tubing downhole washing and scale removal construction operations (H₂S sour service grade)
4. Downhole wellbore renovation, sand bed cleanup and pipe wall descaling operations that demand flexible customizable jet port washing nozzles
5. Long-term continuous jet washing safety protection for coiled tubing bottom-hole assemblies in onshore and offshore oilfield sand washing and well cleanup projects
Standard Delivery Package
Complete bull nose wash tool integral body pre-machined with selected nozzle port configuration
Spare jet hole sealing plug kit for on-site nozzle layout adjustment
Full factory inspection test report including high-pressure jet erosion test, tensile load test and sealing performance test data
Product dimension drawing and official installation & operation instruction manual
Quality Warranty & After-Sales Service
Warranty Coverage: 12 months after factory shipment or 2000 cumulative working hours, whichever condition is reached first
Full factory inspection: Each finished bull nose wash tool passes integral tensile load test, high-pressure jet abrasion test and sealing calibration test before factory delivery
Free professional technical support: Our oilfield downhole tool engineering team provides tool string matching, nozzle port layout selection and working condition grade consultation free of charge
Long-term spare parts supply: All jet hole sealing wear accessories are stocked with competitive factory bulk pricing
Custom development service: Support custom nozzle port layouts, jet hole inner diameters, bottom thread profiles, anti-corrosion coatings and special size bull nose wash tools based on customer technical drawings
FAQ
Q1: What is the core function of a Bull Nose Wash Tool?
The Bull Nose Wash Tool is a dedicated coiled tubing downhole washing nozzle. Its rounded bull nose enables smooth passage through wellbore restrictions, while customizable jet port layouts deliver targeted high-pressure fluid jets for sand washing, wellbore cleanout and scale removal operations.
Q2: What three core structural advantages does this bull nose wash tool own?
1. Streamlined rounded bull nose front, drastically improving passage capacity through wellbore shoulders, nipples and constrictions; 2. Multiple interchangeable nozzle port configurations, fully customizable jet direction, port quantity and hole size for unique washing tasks; 3. Dual STD/H₂S grade options to adapt conventional and high-sulfur corrosive well environments.
Q3: What outer diameter sizes do these bull nose wash tools support?
Our standard production lineup fully covers outer diameters: 1-1/2", 1-11/16", 2", 2-1/8", 2-7/8" and 3-1/8". All sizes match global mainstream coiled tubing connector assemblies.
Q4: What is the difference between STD standard grade and H₂S sour service grade?
STD standard grade is manufactured for conventional sweet oil wells without hydrogen sulfide corrosive fluid. H₂S sour service grade adopts sulfur-resistant alloy substrate and special anti-sulfur passivation coating to resist chemical corrosion in high-H₂S sour gas well environments.
Q5: What is the standard production lead time for bulk purchase orders?
All standard PN part numbers are kept in factory inventory, goods can be delivered within 7–15 working days. Customized bull nose wash tools with special nozzle port layouts or custom dimensions require 20–35 working days production cycle, subject to total order quantity.
Get Custom Datasheet & Factory Quote
We are a professional OEM & ODM manufacturer focused on full series coiled tubing downhole service tools, covering bull nose wash tools, big ID large bore motorhead assemblies, heavy duty integrated motorhead assemblies, big ID hydraulic disconnects, dog latch interchangeable piston hydraulic disconnects, heavy duty high torsion hydraulic retrievable disconnects, mechanical hydraulic dual-action disconnects, mechanical adjustable shear tension disconnects, dual activated dual-action circulation valves, ball activated shear pin circulation valves, burst disc pressure circulation valves, double dart dual-stage sealing check valves, double flapper dual-stage sealing check valves, big ID single flapper check valves, grapple dimple composite connectors, grub screw heavy-duty connectors, double dimple-on connectors, single dimple-on connectors, double roll-on connectors, single roll-on connectors, internal grapple connectors, external grapple connectors, logging heads and tubing hangers. Every finished product undergoes strict factory tensile load, high-pressure jet abrasion and sealing calibration testing, with complete material inspection certification attached to each shipment. Please share your detailed technical requirements, including target outer diameter size, required nozzle port layout configuration, custom jet hole dimension, working environment (STD standard or H₂S sour service) and all customized specification demands. Our dedicated oilfield downhole tool engineering team will send complete detailed technical datasheets and competitive factory wholesale quotations within 24 business hours.
