Product Overview
The Velocity String Hanger Packer coiled tubing deployed permanent downhole velocity tubing suspension packer is a special permanent suspension and annulus isolation packer developed for long-term downhole velocity string permanent hanging construction operations.
The whole packer assembly is conveyed down to the predetermined underground suspension depth via coiled tubing string, then hydraulic setting operation is implemented to complete two core functions simultaneously: packer rubber element annular sealing and slip tubing anchoring locking, the rubber pack-off element completely isolates the annulus between velocity string and casing wall, and the slip tooth assembly firmly grips the velocity string outer wall to realize permanent tubing anchoring and suspension. The slip tooth structure adopts optimized design to provide sufficient uniform gripping friction force, which can guarantee stable and reliable tubing anchoring performance under long-term downhole pressure load. An independent internal unset release mechanism is pre-installed inside the packer body, which can realize full packer release and recovery operation in later well maintenance workover without complicated fishing auxiliary tools. All standard specifications adopt unified standard working pressure rating of 5000 psi, maximum allowable operating temperature up to 120 degrees Celsius, supporting four matching coiled tubing outer diameter sizes: 2-3/8 inch, 2-7/8 inch, 3-1/2 inch and 4-1/2 inch.
The Velocity String Hanger Packer has no complex internal movable friction components, spring energy storage assemblies or differential pressure release mechanisms, with extremely simplified wellsite operation flow and low maintenance cost; construction crews only need to connect the velocity string hanger packer to the bottom end of the coiled tubing string, run the whole tool string down along the tubing inner wall to the predetermined underground suspension depth, inject hydraulic setting fluid to finish one-time hydraulic setting operation, complete packer rubber element annulus isolation sealing and slip tubing anchoring locking, realize long-term velocity string permanent suspension; when later well maintenance or velocity string recovery is required, activate the internal unset release mechanism to unlock slip and rubber element, then lift the packer together with velocity string via coiled tubing to complete full packer recovery, no additional complex auxiliary operation steps such as drop ball delivery or shear pin impact jarring are needed, shortening wellsite operation time and reducing human error risks.
The standardized product lineup covers four matching coiled tubing outer diameter sizes of 2-3/8", 2-7/8", 3-1/2" and 4-1/2", unified standard working pressure rating of 5000 psi, maximum allowable operating temperature up to 120°C, all models adopt STD standard working condition configuration; custom outer diameter matching size, working pressure rating, operating temperature resistance grade and internal unset release mechanism structural form customization are available upon customer technical drawing submission.
Complete Technical Specification Table
| PN Part Number | Matching Coiled Tubing Outer Diameter (CT OD) | Inner Bore ID | Make-Up Overall Length | Working Condition Grade | Standard Working Pressure Rating | Maximum Allowable Operating Temperature |
|---|---|---|---|---|---|---|
| L5121850120 | 2-3/8" | 0.63" | 28.31" | STD Standard | 5000 psi | 120°C |
| L5122130120 | 2-7/8" | 0.75" | 38.79" | STD Standard | 5000 psi | 120°C |
| L5122630120 | 3-1/2" | 0.88" | 49.21" | STD Standard | 5000 psi | 120°C |
| L5123460120 | 4-1/2" | 1.38" | 72.83" | STD Standard | 5000 psi | 120°C |
Note: Custom matching coiled tubing outer diameter sizes, custom working pressure ratings, custom maximum operating temperature resistance grades and internal unset release mechanism structural form modifications are available via engineering consultation. All standard specifications adopt STD standard working condition configuration, unified standard working pressure rating of 5000 psi, maximum allowable operating temperature up to 120°C, four standard matching coiled tubing outer diameter sizes: 2-3/8", 2-7/8", 3-1/2", 4-1/2".
Core Features & Advantages
Optimized Slip Tooth Uniform Gripping Anchoring Design: The slip tooth profile is specially optimized to provide sufficient uniform gripping friction force on velocity string outer wall, which can guarantee stable and reliable tubing anchoring performance under long-term downhole pressure load, effectively avoid tubing creep or slip displacement failure risk.
Built-In Independent Internal Unset Release Mechanism Design: An independent internal unset release structure is pre-installed inside the packer body, which can fully unlock the slip anchoring assembly and rubber sealing pack-off element through simple downhole actuation operation, realize complete packer release and recovery operation in later well maintenance workover without complicated fishing auxiliary tools.
Single Hydraulic Setting Dual-Function Integrated Design: Single hydraulic setting operation can simultaneously finish packer rubber element annular sealing and slip tubing anchoring locking two core functions, simplify downhole construction operation procedures and shorten on-site operation cycle.
Unified Standard Working Pressure & Temperature Resistance Grade: All standard specifications adopt unified standard working pressure rating of 5000 psi, maximum allowable operating temperature up to 120°C, which can adapt to most conventional oilfield medium-temperature and medium-pressure downhole construction environment requirements.
Ultra-Simplified Wellsite Operation Logic: The velocity string hanger packer has no complex internal movable friction components, spring energy storage assemblies or differential pressure release mechanisms, the operation flow is highly streamlined: only need to connect the packer to the bottom end of the coiled tubing string, run the whole tool string down to the predetermined underground suspension depth, inject hydraulic setting fluid to finish one-time hydraulic setting operation, complete annulus isolation sealing and tubing anchoring locking to realize long-term velocity string permanent suspension; when later well maintenance or velocity string recovery is required, activate the internal unset release mechanism to unlock slip and rubber element, then lift the packer together with velocity string via coiled tubing to complete full packer recovery, no complex auxiliary operation steps such as drop ball delivery or shear pin impact jarring are needed to shorten wellsite operation time and reduce human error risks.
Low Routine Maintenance Design: The integral cylindrical alloy steel packer main body eliminates vulnerable split assembly movable wear parts; after each downhole velocity string permanent suspension construction operation, only simple surface circulating fluid debris cleaning and internal slip tooth & rubber pack-off element wear inspection are required, no complex disassembly, internal slip or rubber component replacement or spring preload adjustment maintenance procedures, greatly reducing daily maintenance labor and spare parts inventory cost.
Application Scenarios
1. Coiled tubing permanent velocity string hanging and annulus isolation heavy-load intervention treatments, including long-term velocity tubing permanent suspension construction and later well maintenance velocity string recovery remedial workover construction operations
2. Conventional sweet crude oilfield STD standard velocity string hanger packer permanent velocity string hanging remedial workover service (STD Standard carbon steel working condition grade)
3. High-sulfur H₂S containing corrosive downhole wellbore fluid construction project long-term velocity tubing permanent suspension heavy workover projects requiring H₂S sour service anti-sulfide stress corrosion alloy material grade
4. Long-term continuous slip tooth gripping suspension load safety protection for downhole velocity string suspension packer assemblies in onshore and offshore oilfield coiled tubing permanent velocity string hanging remedial workover intervention projects
Standard Delivery Package
Complete coiled tubing deployed velocity string hanger packer integral cylindrical pre-assembled unit including main packer body, internal hydraulic setting actuation mechanism, optimized slip tooth anchoring assembly, rubber pack-off sealing element and built-in internal unset release mechanism
Spare interchangeable slip tooth assembly & rubber pack-off sealing element maintenance kit for on-site worn slip tooth or rubber sealing component replacement
Full factory inspection test report including repeated long-term slip gripping suspension load fatigue resistance test, integral tensile load test, 5000 psi working pressure tightness sealing performance calibration test data
Product dimension drawing and official installation & operation instruction manual, with detailed on-site coiled tubing permanent velocity string hanging construction operation guidance, with clear confirmation reminder for matching coiled tubing outer diameter size selection according to different downhole tubing specification construction demands during order placement
Quality Warranty & After-Sales Service
Warranty Coverage: 12 months after factory shipment or 2000 cumulative long-term slip gripping suspension load cycles, whichever condition is reached first
Full factory inspection: Each finished coiled tubing deployed velocity string hanger packer passes integral tensile load test, repeated long-term slip gripping suspension load fatigue test, 5000 psi working pressure tightness sealing performance calibration test before factory delivery
Free professional technical support: Our oilfield downhole tool engineering team provides coiled tubing permanent velocity string hanging remedial workover tool string matching, matching coiled tubing outer diameter size & working pressure rating selection consultation free of charge
Long-term spare parts supply: All interchangeable slip tooth assembly & rubber pack-off sealing element wear maintenance accessories are stocked with competitive factory bulk pricing
Custom development service: Support custom matching coiled tubing outer diameter sizes, customized working pressure rating specifications, maximum operating temperature resistance grade modification, internal unset release mechanism structural form adjustment and special size coiled tubing deployed velocity string hanger packers based on customer technical drawings
FAQ
Q1: What is the core function of a Velocity String Hanger Packer Coiled Tubing Deployed Permanent Downhole Velocity Tubing Suspension Packer?
The Velocity String Hanger Packer coiled tubing deployed permanent downhole velocity tubing suspension packer is a special permanent suspension and annulus isolation packer developed for long-term downhole velocity string permanent hanging construction operations. The whole packer assembly is conveyed down to the predetermined underground suspension depth via coiled tubing string, then hydraulic setting operation is implemented to complete two core functions simultaneously: packer rubber element annular sealing and slip tubing anchoring locking, the rubber pack-off element completely isolates the annulus between velocity string and casing wall, and the slip tooth assembly firmly grips the velocity string outer wall to realize permanent tubing anchoring and suspension. The slip tooth structure adopts optimized design to provide sufficient uniform gripping friction force, which can guarantee stable and reliable tubing anchoring performance under long-term downhole pressure load. An independent internal unset release mechanism is pre-installed inside the packer body, which can realize full packer release and recovery operation in later well maintenance workover without complicated fishing auxiliary tools. All standard specifications adopt unified standard working pressure rating of 5000 psi, maximum allowable operating temperature up to 120 degrees Celsius, supporting four matching coiled tubing outer diameter sizes: 2-3/8 inch, 2-7/8 inch, 3-1/2 inch and 4-1/2 inch. No complex internal movable friction components or spring assemblies are equipped, operation flow is highly simplified, widely applied for downhole long-term velocity string permanent hanging and later well maintenance velocity string recovery remedial workover construction operations.
Q2: What three core structural advantages does this Velocity String Hanger Packer Coiled Tubing Deployed Permanent Downhole Velocity Tubing Suspension Packer own?
1. Optimized slip tooth uniform gripping anchoring design, the slip tooth profile is specially optimized to provide sufficient uniform gripping friction force on velocity string outer wall, which can guarantee stable and reliable tubing anchoring performance under long-term downhole pressure load, effectively avoid tubing creep or slip displacement failure risk; 2. Built-in independent internal unset release mechanism design, an independent internal unset release structure is pre-installed inside the packer body, which can fully unlock the slip anchoring assembly and rubber sealing pack-off element through simple downhole actuation operation, realize complete packer release and recovery operation in later well maintenance workover without complicated fishing auxiliary tools; 3. Single hydraulic setting dual-function integrated design & ultra-simplified wellsite operation logic, single hydraulic setting operation can simultaneously finish packer rubber element annular sealing and slip tubing anchoring locking two core functions, simplify downhole construction operation procedures and shorten on-site operation cycle; the velocity string hanger packer has no complex internal movable friction components, spring energy storage assemblies or differential pressure release mechanisms, only need to connect the packer to the bottom end of the coiled tubing string, run the whole tool string down to the predetermined underground suspension depth, inject hydraulic setting fluid to finish one-time hydraulic setting operation, complete annulus isolation sealing and tubing anchoring locking to realize long-term velocity string permanent suspension; when later well maintenance or velocity string recovery is required, activate the internal unset release mechanism to unlock slip and rubber element, then lift the packer together with velocity string via coiled tubing to complete full packer recovery, no complex auxiliary operation steps such as drop ball delivery or shear pin impact jarring are needed to shorten wellsite operation time and reduce human error risks; the product also features complete matching coiled tubing outer diameter size series and integral cylindrical alloy steel packer main body low maintenance design to further expand applicable construction scope and reduce post-operation maintenance workload.
Q3: What matching coiled tubing outer diameter sizes and configurable options do these Velocity String Hanger Packer Coiled Tubing Deployed Permanent Downhole Velocity Tubing Suspension Packers support?
Our standard applicable matching coiled tubing outer diameter size range covers 2-3/8", 2-7/8", 3-1/2", 4-1/2". Each matching size supports two independent working condition material grade versions for free matching selection: STD standard carbon steel working condition grade and H₂S sour service high-corrosion-resistant alloy working condition grade. All models support custom working pressure rating specifications and maximum operating temperature resistance grade specifications upon customer request. Custom internal unset release mechanism structural form adjustments are also available upon customer later packer recovery construction demands. The unified standard working pressure rating for all standard models is fixed at 5000 psi, maximum allowable operating temperature fixed at 120°C.
Q4: 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 coiled tubing deployed velocity string hanger packers with special matching coiled tubing outer diameter sizes or customized working pressure rating specifications, maximum operating temperature resistance grade specifications & internal unset release mechanism structural form modifications require 20–35 working days production cycle, subject to total order quantity and customization scope.
Get Custom Datasheet & Factory Quote
We are a professional OEM & ODM manufacturer focused on full series downhole long-term velocity string permanent suspension remedial workover service tools, covering coiled tubing deployed velocity string hanger packers, hydraulic remote control wellhead suspension hangers, bypass flow divider valves, hydraulic pulse vibration shock exciters, thru-tubing hydraulic retractable blade underreamers, tapered pear conical pilot milling shoes, concave recessed milling shoes, five-blade five-wing milling shoes, flat bottom milling shoes, combination flat blade milling shoes, muncher multi-cutting milling shoes, convex nose pilot milling shoes, bi-directional reciprocating impact hammers, coiled tubing positive displacement drill motors, downhole gas-liquid separators, impact hammers, magnetic fishing rods, magnetic junk retrieval magnets, venturi junk baskets, flow activated releasable fishing overshots, flow activated releasable fishing spears, flow activated releasable JDC running/pulling tools, flow activated releasable GS fishing tools, bi-direction mechanical accelerators, bi-direction hydraulic accelerators, bi-direction hydraulic jars, up-stroke hydraulic jars, bi-direction mechanical jars, up-stroke mechanical jars, wireline grabs, wireline spears and all other supporting downhole fishing, jarring, anchoring and washing service tools. Every finished product undergoes strict factory tensile load, repeated long-term slip gripping suspension load fatigue, 5000 psi working pressure tightness sealing performance calibration testing, with complete material inspection certification attached to each shipment. Please share your detailed technical requirements, including target matching coiled tubing outer diameter size, required working pressure rating, maximum allowable operating temperature, downhole wellbore fluid H₂S concentration corrosive environment construction conditions, working environment 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, and provide professional on-site coiled tubing permanent velocity string hanging construction operation guidance, with clear confirmation reminder for matching coiled tubing outer diameter size selection according to different downhole tubing specification construction demands during order placement.
