Product Overview
The Bi-Direction Hydraulic Accelerator is a dedicated matched supporting impact booster tool specially developed to be used in tandem combination with the Bi-Direction Hydraulic Jar for coiled tubing downhole junk fishing heavy workover intervention operations.
This bidirectional hydraulic accelerator adopts industry mature hydraulic spring energy storage mechanism. When construction crews lift the coiled tubing string upward or slack off tubing weight downward on surface, the internal hydraulic spring assembly will be compressed to store large elastic potential energy; when the matched bi-direction hydraulic jar triggers upward or downward jarring impact action, the hydraulic spring of the accelerator instantly releases all stored potential energy, the accelerator and hydraulic jar act synchronously at the same time, jointly output amplified high-magnitude bidirectional jarring impact force, effectively improving the success rate of releasing stuck tubing and recovering downhole metal junk.
The Bi-Direction Hydraulic Accelerator requires no pre-well setting, calibration or mechanical adjustment work before running the tool string into wellbore; construction crews only need to perform standard lifting or slacking tubing operations on surface to realize automatic energy storage and synchronous impact amplification, greatly simplifying wellsite pre-job preparation and on-site operation procedures. The tool body is designed with a full large-diameter internal through bore, the wide unobstructed inner flow passage provides smooth channel for operation drop balls, allowing drop balls to freely pass through the hydraulic accelerator body to actuate other downhole functional tools without flow blockage risk.
The Bi-Direction Hydraulic Accelerator can only be used in matched tandem assembly with the Bi-Direction Hydraulic Jar, and the combined tool string is widely applicable to all types of coiled tubing downhole junk fishing heavy workover construction scenarios, including stuck pipe release, dropped metal tool recovery and junk fishing intervention operations.
The standardized product lineup covers outer diameter sizes ranging from 1-3/4" to 3-1/8", with matched middle make-up length and fixed stroke specifications, equipped with standard 1"AMMT, 1-1/2"AMMT, 2-3/8"PAC and 2-3/8"REG bottom connection threads for universal compatibility with mainstream coiled tubing connectors and bi-direction hydraulic jars. Custom outer diameter, stroke length and hydraulic spring energy storage structural parameter customization are available upon customer technical drawing submission.
Complete Technical Specification Table
| PN Part Number | Outer Diameter OD | Inner Diameter ID | Make-Up Length (Middle Position) | Stroke | Working Condition Grade | Bottom Connection Thread |
|---|---|---|---|---|---|---|
| L3021750120 | 1-3/4" | 0.55" | 76" | 6" | STD Standard | 1" AMMT |
| L3022125120 | 2-1/8" | 0.75" | 87" | 7" | STD Standard | 1-1/2" AMMT |
| L3022875120 | 2-7/8" | 1" | 104" | 8" | STD Standard | 2-3/8" PAC |
| L3023125120 | 3-1/8" | 1.26" | 104" | 8" | STD Standard | 2-3/8" REG |
Note: Custom outer diameter, customized stroke length and hydraulic spring energy storage structural parameter modification bi-direction hydraulic accelerators are available via engineering consultation. This product must be used in tandem matched assembly with Bi-Direction Hydraulic Jar to realize impact amplification function.
Core Features & Advantages
Dedicated Matched Tandem Supporting Design for Bi-Direction Hydraulic Jar: The overall structural size, stroke and hydraulic spring energy storage load are fully optimized to match the performance parameters of bi-direction hydraulic jar; only when used in series with the matched bidirectional jar can the accelerator realize synchronous energy release and maximum impact amplification effect, forming a complete integrated bidirectional jarring fishing workover string solution.
Bidirectional Hydraulic Spring Energy Storage Mechanism: The internal hydraulic spring assembly can be compressed to store elastic potential energy in both upward tubing lifting stroke and downward tubing slacking stroke, realizing bidirectional energy storage for both upward jarring and downward jarring actions; when the hydraulic jar triggers jarring movement, the hydraulic spring instantly releases all stored energy to superpose impact force, significantly boosting the magnitude of upward and downward jarring impact output.
Zero Pre-Run Adjustment Operation Design: No mechanical setting, calibration or parameter adjustment work needs to be completed before running the tool string into wellbore; construction crews only need to perform conventional surface tubing lifting or slacking operations to automatically complete energy storage and synchronous impact amplification, eliminating complex pre-job setting procedures and reducing wellsite operation time cost.
Full Large Internal Through Bore Structure: The tool body reserves wide unobstructed inner through passage, the large inner diameter can allow various specification operation drop balls to smoothly pass through the hydraulic accelerator without flow blockage, compatible with drop ball actuation of other downhole functional tools assembled in the same fishing workover string.
Wide Multi-Scenario Junk Fishing Application: The matched accelerator and bi-direction hydraulic jar combination string is adaptable to full series coiled tubing downhole junk fishing heavy intervention construction including stuck pipe release, dropped metal downhole tool recovery and junk fishing workover operations.
Full Outer Diameter Size Compatibility: Standard product series covers 1-3/4", 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 bidirectional jarring junk fishing intervention demands.
Multi-Type Standard Thread Compatibility: All product models are equipped with universal 1"AMMT, 1-1/2"AMMT, 2-3/8"PAC and 2-3/8"REG bottom connection threads, realizing seamless assembly with global mainstream coiled tubing bottom-hole assemblies and matched bi-direction hydraulic jars without extra conversion subs.
Precision CNC High-Strength Alloy Manufacturing: Adopts precision CNC machining integral tool body, hydraulic spring energy storage piston assembly and impact energy transmission matching components, featuring outstanding high-pressure fluid erosion resistance, repeated compression energy storage fatigue resistance and structural stability, extending long-term continuous bidirectional jarring impact amplification service life for downhole junk fishing operations.
Application Scenarios
1. Coiled tubing downhole junk fishing heavy-load intervention bidirectional jarring impact amplification treatments including stuck tubing release, dropped metal downhole tool recovery and junk fishing construction operations
2. Conventional sweet crude oilfield matched bi-direction hydraulic jar hydraulic spring energy storage impact booster junk fishing heavy workover service (STD standard service grade)
3. Downhole junk fishing heavy workover projects requiring bidirectional upward/downward jarring impact force amplification, compatible with drop ball actuation tool strings and matched bi-direction hydraulic jar tandem assembly
4. Long-term continuous repeated hydraulic spring compression energy storage safety protection for coiled tubing bottom-hole assemblies in onshore and offshore oilfield junk fishing heavy workover intervention projects
Standard Delivery Package
Complete bi-direction hydraulic accelerator integral pre-assembled unit including hydraulic spring energy storage piston assembly, bidirectional compression energy storage structure and standard bottom connection thread
Full factory inspection test report including repeated hydraulic spring compression energy storage fatigue resistance test, integral tensile load test, stroke travel calibration test and synchronous energy release impact amplification performance test data
Product dimension drawing and official installation & operation instruction manual, with detailed matched tandem assembly connection guidance for combination with Bi-Direction Hydraulic Jar
Quality Warranty & After-Sales Service
Warranty Coverage: 12 months after factory shipment or 2000 cumulative hydraulic spring compression energy storage cycles, whichever condition is reached first
Full factory inspection: Each finished bi-direction hydraulic accelerator passes integral tensile load test, repeated hydraulic spring compression cycle fatigue test, stroke travel calibration test and synchronous energy release impact amplification performance test before factory delivery
Free professional technical support: Our oilfield downhole tool engineering team provides coiled tubing junk fishing heavy workover tool string matching, outer diameter & stroke length selection and bi-direction hydraulic jar tandem assembly matching consultation free of charge
Long-term spare parts supply: All hydraulic spring energy storage piston wear accessories are stocked with competitive factory bulk pricing
Custom development service: Support custom outer diameters, customized stroke lengths, hydraulic spring energy storage structural parameter modification, bottom thread profiles and special size bi-direction hydraulic accelerators based on customer technical drawings
FAQ
Q1: What is the core function of a Bi-Direction Hydraulic Accelerator?
The Bi-Direction Hydraulic Accelerator is a dedicated matched impact booster tool that must be used in tandem combination with the Bi-Direction Hydraulic Jar for coiled tubing junk fishing workover. It adopts hydraulic spring bidirectional energy storage mechanism: it stores elastic potential energy in hydraulic springs during upward tubing lifting stroke and downward tubing slacking stroke; when the matched bi-direction hydraulic jar triggers upward or downward jarring action, the accelerator instantly releases all stored energy synchronously with the jar to greatly amplify bidirectional jarring impact force. It requires no pre-run setting or adjustment before running into wellbore, features a full large through bore allowing drop balls to pass through, and is exclusively used in combination with bi-direction hydraulic jar for all types of downhole junk fishing recovery operations.
Q2: What three core structural advantages does this bi-direction hydraulic accelerator own?
1. Dedicated matched tandem supporting design optimized for bi-direction hydraulic jar, the stroke, hydraulic spring load and overall dimension are fully matched with the bidirectional jar’s performance parameters, only combined in series with the matched jar can it realize synchronous energy release and maximum impact amplification effect, forming a complete integrated bidirectional jarring fishing workover string solution; 2. Bidirectional hydraulic spring energy storage mechanism, internal hydraulic spring assembly can store elastic potential energy during both upward pull stroke and downward slack stroke, realizing dual energy storage for upward jarring and downward jarring, instantly releasing all stored energy to superpose impact force when jarring action triggers, significantly boosting the magnitude of bidirectional jarring impact output; 3. Zero pre-run adjustment operation design paired with full large internal through bore structure: no mechanical setting or calibration work needed before running the tool string into wellbore, crews only need conventional lifting/slacking tubing operation to automatically complete energy storage and impact amplification; the wide unobstructed inner through passage allows all common specification operation drop balls to smoothly pass through the accelerator without flow blockage, compatible with drop ball actuation of other functional tools in the same workover string.
Q3: What outer diameter sizes do these bi-direction hydraulic accelerators support?
Our standard production lineup fully covers outer diameters: 1-3/4", 2-1/8", 2-7/8" and 3-1/8". All models adopt universal 1"AMMT, 1-1/2"AMMT, 2-3/8"PAC and 2-3/8"REG bottom connection threads compatible with global mainstream coiled tubing connector assemblies and matched bi-direction hydraulic jars.
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 bi-direction hydraulic accelerators with special outer diameters or customized stroke lengths & hydraulic spring energy storage structural parameters 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 coiled tubing heavy workover and washing downhole service tools, covering bi-direction hydraulic accelerators, bi-direction hydraulic jars, up-stroke hydraulic jars, bi-direction mechanical jars, up-stroke mechanical jars, thru tubing cutters, high expansion four-blade hydraulic anchors, annular grapple hydraulic anchors, heavy duty motorhead assemblies, concentric coiled tubing wash tools (multi-mode), concentric coiled tubing wash tools (single mode), slimline wash tools (double dart), slimline wash tools (double flapper), storm wash tools, low speed spinning jetting tools, multiple points rotary wash tools, fast rotary wash tools, conical wash tools, multi-nozzle wash tools, 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, repeated hydraulic spring compression fatigue, stroke travel calibration and synchronous energy release impact amplification performance testing, with complete material inspection certification attached to each shipment. Please share your detailed technical requirements, including target outer diameter size, required stroke length, matched bi-direction hydraulic jar model, 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 tandem assembly connection matching guidance for combination with Bi-Direction Hydraulic Jar.
